bvh_demo_sdf

Name *

Code

{"properties":{"frame":331,"maxFrame":600,"maxFrameLocked":false,"realtimeState":true,"mainCameraPath":"/cameras/cameras:sopGroup/perspectiveCamera1","versions":{"polygonjs":"1.5.3"}},"root":{"type":"root","nodes":{"COP":{"type":"copNetwork","nodes":{"envMap":{"type":"envMap","inputs":["imageEnv"]},"imageEnv":{"type":"imageEXR","params":{"url":"https://raw.githubusercontent.com/polygonjs/polygonjs-assets/master/textures/piz_compressed.exr"}}}},"cameras":{"type":"geo","nodes":{"cameraControls1":{"type":"cameraControls","nodes":{"cameraOrbitControls1":{"type":"cameraOrbitControls","params":{"target":[-0.18471221713561017,0.5905619947911671,-0.1472636029963229]}}},"params":{"node":"cameraOrbitControls1"},"inputs":["perspectiveCamera_MAIN"]},"cameraRenderer1":{"type":"cameraRenderer","nodes":{"WebGLRenderer1":{"type":"WebGLRenderer","params":{"tpixelRatio":true,"pixelRatio":1}}},"params":{"node":"WebGLRenderer1"},"inputs":["cameraControls1"],"flags":{"bypass":true,"display":true}},"perspectiveCamera_MAIN":{"type":"perspectiveCamera","params":{"position":[0.9322867501511287,0.7453990296266957,0.1308125714156589],"rotation":[-29.233720427159707,74.1037208139775,28.291450488659855]}}},"params":{"CADLinearTolerance":{"overriden_options":{"callback":"{}"}},"CADAngularTolerance":{"overriden_options":{"callback":"{}"}},"CADCurveAbscissa":{"overriden_options":{"callback":"{}"}},"CADCurveTolerance":{"overriden_options":{"callback":"{}"}},"CADDisplayEdges":{"overriden_options":{"callback":"{}"}},"CADEdgesColor":{"overriden_options":{"callback":"{}"}},"CADDisplayMeshes":{"overriden_options":{"callback":"{}"}},"CADMeshesColor":{"overriden_options":{"callback":"{}"}},"CADWireframe":{"overriden_options":{"callback":"{}"}},"CSGFacetAngle":{"overriden_options":{"callback":"{}"}},"CSGLinesColor":{"overriden_options":{"callback":"{}"}},"CSGMeshesColor":{"overriden_options":{"callback":"{}"}},"CSGWireframe":{"overriden_options":{"callback":"{}"}},"QUADTriangles":{"overriden_options":{"callback":"{}"}},"QUADWireframe":{"overriden_options":{"callback":"{}"}},"TetScale":{"overriden_options":{"callback":"{}"}},"TetDisplayLines":{"overriden_options":{"callback":"{}"}},"TetDisplaySharedFaces":{"overriden_options":{"callback":"{}"}},"TetDisplayPoints":{"overriden_options":{"callback":"{}"}},"TetDisplayCenter":{"overriden_options":{"callback":"{}"}},"TetDisplaySphere":{"overriden_options":{"callback":"{}"}}},"flags":{"display":true}},"lights":{"type":"geo","nodes":{"hemisphereLight1":{"type":"hemisphereLight","flags":{"display":true}}},"params":{"CADLinearTolerance":{"overriden_options":{"callback":"{}"}},"CADAngularTolerance":{"overriden_options":{"callback":"{}"}},"CADCurveAbscissa":{"overriden_options":{"callback":"{}"}},"CADCurveTolerance":{"overriden_options":{"callback":"{}"}},"CADDisplayEdges":{"overriden_options":{"callback":"{}"}},"CADEdgesColor":{"overriden_options":{"callback":"{}"}},"CADDisplayMeshes":{"overriden_options":{"callback":"{}"}},"CADMeshesColor":{"overriden_options":{"callback":"{}"}},"CADWireframe":{"overriden_options":{"callback":"{}"}},"CSGFacetAngle":{"overriden_options":{"callback":"{}"}},"CSGLinesColor":{"overriden_options":{"callback":"{}"}},"CSGMeshesColor":{"overriden_options":{"callback":"{}"}},"CSGWireframe":{"overriden_options":{"callback":"{}"}},"QUADTriangles":{"overriden_options":{"callback":"{}"}},"QUADWireframe":{"overriden_options":{"callback":"{}"}},"TetScale":{"overriden_options":{"callback":"{}"}},"TetDisplayLines":{"overriden_options":{"callback":"{}"}},"TetDisplaySharedFaces":{"overriden_options":{"callback":"{}"}},"TetDisplayPoints":{"overriden_options":{"callback":"{}"}},"TetDisplayCenter":{"overriden_options":{"callback":"{}"}},"TetDisplaySphere":{"overriden_options":{"callback":"{}"}}},"flags":{"display":true}},"raymarchedObject":{"type":"geo","nodes":{"COP":{"type":"copNetwork","nodes":{"SDFExporter1":{"type":"SDFExporter","inputs":["SDFFromObject1"]},"SDFFromObject1":{"type":"SDFFromObject","params":{"geometry":"../../material2","voxelSize":0.0400096,"resolution":[34,30,24],"boundMin":[-0.6587794462839762,-0.07686367730023519,-0.4619663417339325],"boundMax":[0.6588004271189372,1.0769783535881567,0.4618737757205963]}},"SDFFromUrl1":{"type":"SDFFromUrl","params":{"url":"https://raw.githubusercontent.com/polygonjs/polygonjs-assets/master/models/sdf/rhino.mid.bin","resolution":[52,44,36],"boundMin":[-0.6297152042388916,-0.049940697848796844,-0.43309634923934937],"boundMax":[0.6297361850738525,1.0500553846359253,0.4330037832260132]}}}},"MAT":{"type":"materialsNetwork","nodes":{"meshStandard1":{"type":"meshStandard"},"rayMarchingBuilder1":{"type":"rayMarchingBuilder","nodes":{"SDFContext1":{"type":"SDFContext","params":{"sdf":{"type":"float","default_value":0,"options":{"spare":true,"editable":false}},"material":{"type":"string","default_value":"DefaultSDFMaterial()","options":{"spare":true,"editable":false}}},"inputs":[{"index":0,"inputName":"sdf","node":"multAdd3","output":"val"},{"index":1,"inputName":"material","node":"SDFMaterial1","output":"SDFMaterial"}],"connection_points":{"in":[{"name":"sdf","type":"float"},{"name":"material","type":"SDFMaterial"}],"out":[{"name":"SDFContext","type":"SDFContext"}]}},"SDFMaterial1":{"type":"SDFMaterial","params":{"color":{"overriden_options":{}},"useEnvMap":true,"useRefraction":true,"diffuse":{"raw_input":[0,0,0],"overriden_options":{}},"emissive":{"overriden_options":{}},"envMapTint":{"overriden_options":{}},"envMapIntensity":{"raw_input":0.14,"overriden_options":{}},"envMapRoughness":{"raw_input":1,"overriden_options":{}},"envMapFresnel":{"overriden_options":{}},"envMapFresnelPower":{"overriden_options":{}},"reflectionTint":{"overriden_options":{}},"reflectivity":{"overriden_options":{}},"reflectionBiasMult":{"overriden_options":{}},"refractionTint":{"raw_input":[0.7764705882352941,0.5490196078431373,0.06274509803921569],"overriden_options":{}},"ior":{"overriden_options":{}},"iorOffset":{"raw_input":[-0.1,0,0.1],"overriden_options":{}},"transmission":{"raw_input":2,"overriden_options":{}},"absorption":{"raw_input":4.7,"overriden_options":{}},"refractionMaxDist":{"overriden_options":{}},"refractionBiasMult":{"overriden_options":{}}},"inputs":[{"index":0,"inputName":"color","node":"constant1","output":"val"}]},"constant1":{"type":"constant","params":{"type":4,"color":[1,1,1],"asColor":true},"connection_points":{"in":[],"out":[{"name":"val","type":"vec3"}]}},"output1":{"type":"output","inputs":[{"index":0,"inputName":"SDFContext","node":"SDFContext1","output":"SDFContext"}]},"textureSDF1":{"type":"textureSDF","params":{"paramName":"textureSDF1","position":{"overriden_options":{}},"center":{"overriden_options":{}},"boundMin":{"overriden_options":{}},"boundMax":{"overriden_options":{}},"boundScale":{"overriden_options":{}},"bias":{"overriden_options":{}},"tblur":{"overriden_options":{}},"blurDist":{"overriden_options":{}}},"inputs":[null,null,{"index":2,"inputName":"boundMin","node":"textureSDF1BoundMin","output":"val"},{"index":3,"inputName":"boundMax","node":"textureSDF1BoundMax","output":"val"}]},"textureSDF1BoundMax":{"type":"param","params":{"name":"textureSDF1BoundMax","type":4},"connection_points":{"in":[],"out":[{"name":"val","type":"vec3"}]}},"textureSDF1BoundMin":{"type":"param","params":{"name":"textureSDF1BoundMin","type":4},"connection_points":{"in":[],"out":[{"name":"val","type":"vec3"}]}},"multAdd3":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.001},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"value","node":"textureSDF1","output":"d"},{"index":1,"inputName":"preAdd","node":"multAdd1","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"globals1":{"type":"globals"},"vec3ToFloat1":{"type":"vec3ToFloat","params":{"vec":{"overriden_options":{}}},"inputs":[{"index":0,"inputName":"vec","node":"globals1","output":"position"}]},"smoothstep1":{"type":"smoothstep","params":{"edge0":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.22},"edge1":{"type":"float","default_value":1,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"x":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"edge0","node":"null1","output":"val"},{"index":1,"inputName":"edge1","node":"multAdd6","output":"val"},{"index":2,"inputName":"x","node":"vec3ToFloat1","output":"x"}],"connection_points":{"in":[{"name":"edge0","type":"float"},{"name":"edge1","type":"float"},{"name":"x","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd1":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.31},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"value","node":"max1","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd4":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.2},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.22}},"inputs":[{"index":0,"inputName":"value","node":"cycle1","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd6":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":1},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"value","node":"null1","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"null1":{"type":"null","params":{"in":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"in","node":"multAdd2","output":"val"}],"connection_points":{"in":[{"name":"in","type":"float"}],"out":[{"name":"val","type":"float"}]}},"smoothstep2":{"type":"smoothstep","params":{"edge0":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.22},"edge1":{"type":"float","default_value":1,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"x":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"edge0","node":"null2","output":"val"},{"index":1,"inputName":"edge1","node":"multAdd7","output":"val"},{"index":2,"inputName":"x","node":"vec3ToFloat1","output":"x"}],"connection_points":{"in":[{"name":"edge0","type":"float"},{"name":"edge1","type":"float"},{"name":"x","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd7":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":-1},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"value","node":"null2","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd5":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":-2}},"inputs":[{"index":0,"inputName":"value","node":"multAdd4","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd2":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":-1}},"inputs":[{"index":0,"inputName":"value","node":"multAdd4","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"null2":{"type":"null","params":{"in":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"in","node":"multAdd5","output":"val"}],"connection_points":{"in":[{"name":"in","type":"float"}],"out":[{"name":"val","type":"float"}]}},"max1":{"type":"max","params":{"in0":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"in1":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"in0","node":"smoothstep1","output":"val"},{"index":1,"inputName":"in1","node":"smoothstep2","output":"val"}],"connection_points":{"in":[{"name":"in0","type":"float"},{"name":"in1","type":"float"}],"out":[{"name":"val","type":"float"}]}},"cycle1":{"type":"cycle","params":{"in":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"min":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"max":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":12.5}},"inputs":[{"index":0,"inputName":"in","node":"globals1","output":"time"}],"connection_points":{"in":[{"name":"in","type":"float"},{"name":"min","type":"float"},{"name":"max","type":"float"}],"out":[{"name":"val","type":"float"}]}}},"params":{"maxSteps":91,"maxDist":4.96,"useEnvMap":true,"envMap":"../../../COP/envMap","envMapRoughness":0,"textureSDF1":{"type":"node_path","default_value":"","options":{"spare":true,"computeOnDirty":true,"cook":false,"dependentOnFoundNode":true,"nodeSelection":{"context":"cop"}},"raw_input":"../../COP/SDFFromUrl1","overriden_options":{"callback":"{}"}},"textureSDF1BoundMin":{"type":"vector3","default_value":[0,0,0],"options":{"spare":true,"computeOnDirty":true,"cook":false,"dependentOnFoundNode":true},"raw_input":["ch('../../COP/SDFFromUrl1/boundMinx')","ch('../../COP/SDFFromUrl1/boundMiny')","ch('../../COP/SDFFromUrl1/boundMinz')"],"overriden_options":{"callback":"{}"}},"textureSDF1BoundMax":{"type":"vector3","default_value":[0,0,0],"options":{"spare":true,"computeOnDirty":true,"cook":false,"dependentOnFoundNode":true},"raw_input":["ch('../../COP/SDFFromUrl1/boundMaxx')","ch('../../COP/SDFFromUrl1/boundMaxy')","ch('../../COP/SDFFromUrl1/boundMaxz')"],"overriden_options":{"callback":"{}"}}},"persisted_config":{"material":{"metadata":{"version":4.5,"type":"Material","generator":"Material.toJSON"},"uuid":"/raymarchedObject/MAT/rayMarchingBuilder1-main","type":"ShaderMaterial","side":1,"transparent":true,"depthFunc":3,"depthTest":true,"depthWrite":true,"colorWrite":true,"stencilWrite":false,"stencilWriteMask":255,"stencilFunc":519,"stencilRef":0,"stencilFuncMask":255,"stencilFail":7680,"stencilZFail":7680,"stencilZPass":7680,"alphaTest":0.5,"forceSinglePass":true,"fog":false,"glslVersion":null,"uniforms":{"diffuse":{"type":"c","value":16777215},"opacity":{"value":1},"map":{"value":null},"mapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaMap":{"value":null},"alphaMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaTest":{"value":0},"envMap":{"value":null},"flipEnvMap":{"value":-1},"reflectivity":{"value":1},"ior":{"value":1.5},"refractionRatio":{"value":0.98},"aoMap":{"value":null},"aoMapIntensity":{"value":1},"aoMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"lightMap":{"value":null},"lightMapIntensity":{"value":1},"lightMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"emissiveMap":{"value":null},"emissiveMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpMap":{"value":null},"bumpMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpScale":{"value":1},"normalMap":{"value":null},"normalMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"normalScale":{"type":"v2","value":[1,1]},"displacementMap":{"value":null},"displacementMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"displacementScale":{"value":1},"displacementBias":{"value":0},"roughnessMap":{"value":null},"roughnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"metalnessMap":{"value":null},"metalnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"fogDensity":{"value":0.00025},"fogNear":{"value":1},"fogFar":{"value":2000},"fogColor":{"type":"c","value":16777215},"ambientLightColor":{"value":[0,0,0]},"lightProbe":{"value":[{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0}]},"directionalLights":{"value":[]},"directionalLightShadows":{"value":[]},"directionalShadowMap":{"value":[]},"directionalShadowMatrix":{"value":[]},"spotLights":{"value":[]},"spotLightShadows":{"value":[]},"spotLightMap":{"value":[]},"spotShadowMap":{"value":[]},"spotLightMatrix":{"value":[]},"pointLights":{"value":[]},"pointLightShadows":{"value":[]},"pointShadowMap":{"value":[]},"pointShadowMatrix":{"value":[]},"hemisphereLights":{"value":[{"direction":{"x":-3.4694469519536134e-18,"y":0.9910740523654544,"z":0.13331250026879102},"skyColor":16777215,"groundColor":0}]},"rectAreaLights":{"value":[]},"ltc_1":{"value":null},"ltc_2":{"value":null},"emissive":{"type":"c","value":0},"roughness":{"value":0},"metalness":{"value":0},"envMapIntensity":{"value":1},"MAX_STEPS":{"value":91},"MAX_DIST":{"value":4.96},"SURF_DIST":{"value":0.001},"NORMALS_BIAS":{"value":0.01},"SHADOW_BIAS":{"value":0},"debugMinSteps":{"value":0},"debugMaxSteps":{"value":128},"debugMinDepth":{"value":0},"debugMaxDepth":{"value":128},"shadowDistanceMin":{"value":0},"shadowDistanceMax":{"value":100},"shadowDepthMin":{"value":0},"shadowDepthMax":{"value":100},"envMapRotationY":{"value":0},"spotLightsRayMarching":{"value":[{"penumbra":0,"shadowBiasAngle":0.01,"shadowBiasDistance":0.1}]},"directionalLightsRayMarching":{"value":[]},"pointLightsRayMarching":{"value":[]},"v_POLY_textureSDF_textureSDF1":{"value":null},"v_POLY_param_textureSDF1BoundMax":{"type":"v3","value":[0.6297361850738525,1.0500553846359253,0.4330037832260132]},"v_POLY_param_textureSDF1BoundMin":{"type":"v3","value":[-0.6297152042388916,-0.049940697848796844,-0.43309634923934937]},"time":{"value":5.543633333334086}},"defines":{"ENVMAP_TYPE_CUBE_UV":1,"CUBEUV_TEXEL_WIDTH":0.0013020833333333333,"CUBEUV_TEXEL_HEIGHT":0.0009765625,"CUBEUV_MAX_MIP":"8.0","ROTATE_ENV_MAP_Y":false},"vertexShader":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","fragmentShader":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nfloat dot2( in vec2 v ) { return dot(v,v); }\nfloat dot2( in vec3 v ) { return dot(v,v); }\nfloat ndot( in vec2 a, in vec2 b ) { return a.x*b.x - a.y*b.y; }\n// https://iquilezles.org/articles/distfunctions/\n\n\n/*\n*\n* SDF PRIMITIVES\n*\n*/\nfloat sdSphere( vec3 p, float s )\n{\n\treturn length(p)-s;\n}\nfloat sdCutSphere( vec3 p, float r, float h )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat s = max( (h-r)*q.x*q.x+w*w*(h+r-2.0*q.y), h*q.x-w*q.y );\n\treturn (s<0.0) ? length(q)-r :\n\t\t\t\t(q.x<w) ? h - q.y :\n\t\t\t\t\tlength(q-vec2(w,h));\n}\nfloat sdCutHollowSphere( vec3 p, float r, float h, float t )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\t\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\treturn ((h*q.x<w*q.y) ? length(q-vec2(w,h)) : \n\t\t\t\t\t\t\tabs(length(q)-r) ) - t;\n}\n\nfloat sdBox( vec3 p, vec3 b )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0);\n}\nfloat sdRoundBox( vec3 p, vec3 b, float r )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0) - r;\n}\n\n\nfloat sdBoxFrame( vec3 p, vec3 b, float e )\n{\n\t\tp = abs(p  )-b*0.5;\n\tvec3 q = abs(p+e)-e;\n\treturn min(min(\n\t\tlength(max(vec3(p.x,q.y,q.z),0.0))+min(max(p.x,max(q.y,q.z)),0.0),\n\t\tlength(max(vec3(q.x,p.y,q.z),0.0))+min(max(q.x,max(p.y,q.z)),0.0)),\n\t\tlength(max(vec3(q.x,q.y,p.z),0.0))+min(max(q.x,max(q.y,p.z)),0.0));\n}\nfloat sdCapsule( vec3 p, vec3 a, vec3 b, float r )\n{\n\tvec3 pa = p - a, ba = b - a;\n\tfloat h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 );\n\treturn length( pa - ba*h ) - r;\n}\nfloat sdVerticalCapsule( vec3 p, float h, float r )\n{\n\tp.y -= clamp( p.y, 0.0, h );\n\treturn length( p ) - r;\n}\nfloat sdCone( in vec3 p, in vec2 c, float h )\n{\n\t// c is the sin/cos of the angle, h is height\n\t// Alternatively pass q instead of (c,h),\n\t// which is the point at the base in 2D\n\tvec2 q = h*vec2(c.x/c.y,-1.0);\n\n\tvec2 w = vec2( length(p.xz), p.y );\n\tvec2 a = w - q*clamp( dot(w,q)/dot(q,q), 0.0, 1.0 );\n\tvec2 b = w - q*vec2( clamp( w.x/q.x, 0.0, 1.0 ), 1.0 );\n\tfloat k = sign( q.y );\n\tfloat d = min(dot( a, a ),dot(b, b));\n\tfloat s = max( k*(w.x*q.y-w.y*q.x),k*(w.y-q.y)  );\n\treturn sqrt(d)*sign(s);\n}\nfloat sdConeWrapped(vec3 pos, float angle, float height){\n\treturn sdCone(pos, vec2(sin(angle), cos(angle)), height);\n}\nfloat sdRoundCone( vec3 p, float r1, float r2, float h )\n{\n\tfloat b = (r1-r2)/h;\n\tfloat a = sqrt(1.0-b*b);\n\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat k = dot(q,vec2(-b,a));\n\tif( k<0.0 ) return length(q) - r1;\n\tif( k>a*h ) return length(q-vec2(0.0,h)) - r2;\n\treturn dot(q, vec2(a,b) ) - r1;\n}\nfloat sdOctogonPrism( in vec3 p, in float r, float h )\n{\n\tconst vec3 k = vec3(-0.9238795325,  // sqrt(2+sqrt(2))/2 \n\t\t\t\t\t\t0.3826834323,   // sqrt(2-sqrt(2))/2\n\t\t\t\t\t\t0.4142135623 ); // sqrt(2)-1 \n\t// reflections\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(vec2( k.x,k.y),p.xy),0.0)*vec2( k.x,k.y);\n\tp.xy -= 2.0*min(dot(vec2(-k.x,k.y),p.xy),0.0)*vec2(-k.x,k.y);\n\t// polygon side\n\tp.xy -= vec2(clamp(p.x, -k.z*r, k.z*r), r);\n\tvec2 d = vec2( length(p.xy)*sign(p.y), p.z-h );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHexPrism( vec3 p, vec2 h )\n{\n\tconst vec3 k = vec3(-0.8660254, 0.5, 0.57735);\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(k.xy, p.xy), 0.0)*k.xy;\n\tvec2 d = vec2(\n\t\tlength(p.xy-vec2(clamp(p.x,-k.z*h.x,k.z*h.x), h.x))*sign(p.y-h.x),\n\t\tp.z-h.y );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHorseshoe( in vec3 p, in float angle, in float r, in float le, vec2 w )\n{\n\tvec2 c = vec2(cos(angle),sin(angle));\n\tp.x = abs(p.x);\n\tfloat l = length(p.xy);\n\tp.xy = mat2(-c.x, c.y, \n\t\t\tc.y, c.x)*p.xy;\n\tp.xy = vec2((p.y>0.0 || p.x>0.0)?p.x:l*sign(-c.x),\n\t\t\t\t(p.x>0.0)?p.y:l );\n\tp.xy = vec2(p.x,abs(p.y-r))-vec2(le,0.0);\n\t\n\tvec2 q = vec2(length(max(p.xy,0.0)) + min(0.0,max(p.x,p.y)),p.z);\n\tvec2 d = abs(q) - w;\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdTriPrism( vec3 p, vec2 h )\n{\n\tvec3 q = abs(p);\n\treturn max(q.z-h.y,max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5);\n}\nfloat sdPyramid( vec3 p, float h)\n{\n\tfloat m2 = h*h + 0.25;\n\n\tp.xz = abs(p.xz);\n\tp.xz = (p.z>p.x) ? p.zx : p.xz;\n\tp.xz -= 0.5;\n\n\tvec3 q = vec3( p.z, h*p.y - 0.5*p.x, h*p.x + 0.5*p.y);\n\n\tfloat s = max(-q.x,0.0);\n\tfloat t = clamp( (q.y-0.5*p.z)/(m2+0.25), 0.0, 1.0 );\n\n\tfloat a = m2*(q.x+s)*(q.x+s) + q.y*q.y;\n\tfloat b = m2*(q.x+0.5*t)*(q.x+0.5*t) + (q.y-m2*t)*(q.y-m2*t);\n\n\tfloat d2 = min(q.y,-q.x*m2-q.y*0.5) > 0.0 ? 0.0 : min(a,b);\n\n\treturn sqrt( (d2+q.z*q.z)/m2 ) * sign(max(q.z,-p.y));\n}\n\nfloat sdPlane( vec3 p, vec3 n, float h )\n{\n\t// n must be normalized\n\treturn dot(p,n) + h;\n}\n\nfloat sdTorus( vec3 p, vec2 t )\n{\n\tvec2 q = vec2(length(p.xz)-t.x,p.y);\n\treturn length(q)-t.y;\n}\nfloat sdCappedTorus(in vec3 p, in float an, in float ra, in float rb)\n{\n\tvec2 sc = vec2(sin(an),cos(an));\n\tp.x = abs(p.x);\n\tfloat k = (sc.y*p.x>sc.x*p.z) ? dot(p.xz,sc) : length(p.xz);\n\treturn sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;\n}\nfloat sdLink( vec3 p, float le, float r1, float r2 )\n{\n  vec3 q = vec3( p.x, max(abs(p.y)-le,0.0), p.z );\n  return length(vec2(length(q.xy)-r1,q.z)) - r2;\n}\n// c is the sin/cos of the desired cone angle\nfloat sdSolidAngle(vec3 pos, vec2 c, float radius)\n{\n\tvec2 p = vec2( length(pos.xz), pos.y );\n\tfloat l = length(p) - radius;\n\tfloat m = length(p - c*clamp(dot(p,c),0.0,radius) );\n\treturn max(l,m*sign(c.y*p.x-c.x*p.y));\n}\nfloat sdSolidAngleWrapped(vec3 pos, float angle, float radius){\n\treturn sdSolidAngle(pos, vec2(sin(angle), cos(angle)), radius);\n}\nfloat sdTube( vec3 p, float r )\n{\n\treturn length(p.xz)-r;\n}\nfloat sdTubeCapped( vec3 p, float h, float r )\n{\n\tvec2 d = abs(vec2(length(p.xz),p.y)) - vec2(r,h);\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdOctahedron( vec3 p, float s)\n{\n  p = abs(p);\n  float m = p.x+p.y+p.z-s;\n  vec3 q;\n       if( 3.0*p.x < m ) q = p.xyz;\n  else if( 3.0*p.y < m ) q = p.yzx;\n  else if( 3.0*p.z < m ) q = p.zxy;\n  else return m*0.57735027;\n    \n  float k = clamp(0.5*(q.z-q.y+s),0.0,s); \n  return length(vec3(q.x,q.y-s+k,q.z-k)); \n}\nfloat udTriangle( vec3 p, vec3 a, vec3 b, vec3 c, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 ac = a - c; vec3 pc = p - c;\n\tvec3 nor = cross( ba, ac );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(ac,nor),pc))<2.0)\n\t\t?\n\t\tmin( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(ac*clamp(dot(ac,pc)/dot2(ac),0.0,1.0)-pc) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\nfloat udQuad( vec3 p, vec3 a, vec3 b, vec3 c, vec3 d, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 dc = d - c; vec3 pc = p - c;\n\tvec3 ad = a - d; vec3 pd = p - d;\n\tvec3 nor = cross( ba, ad );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(dc,nor),pc)) +\n\t\tsign(dot(cross(ad,nor),pd))<3.0)\n\t\t?\n\t\tmin( min( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(dc*clamp(dot(dc,pc)/dot2(dc),0.0,1.0)-pc) ),\n\t\tdot2(ad*clamp(dot(ad,pd)/dot2(ad),0.0,1.0)-pd) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\n\n/*\n*\n* SDF OPERATIONS\n*\n*/\nfloat SDFUnion( float d1, float d2 ) { return min(d1,d2); }\nfloat SDFSubtract( float d1, float d2 ) { return max(-d1,d2); }\nfloat SDFIntersect( float d1, float d2 ) { return max(d1,d2); }\n\nfloat SDFSmoothUnion( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) - k*h*(1.0-h);\n}\n\nfloat SDFSmoothSubtract( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );\n\treturn mix( d2, -d1, h ) + k*h*(1.0-h);\n}\n\nfloat SDFSmoothIntersect( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) + k*h*(1.0-h);\n}\n\nvec4 SDFElongateFast( in vec3 p, in vec3 h )\n{\n\treturn vec4( p-clamp(p,-h,h), 0.0 );\n}\nvec4 SDFElongateSlow( in vec3 p, in vec3 h )\n{\n\tvec3 q = abs(p)-h;\n\treturn vec4( max(q,0.0), min(max(q.x,max(q.y,q.z)),0.0) );\n}\n\nfloat SDFOnion( in float sdf, in float thickness )\n{\n\treturn abs(sdf)-thickness;\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\nfloat cycle(float val, float val_min, float val_max){\n\tif(val >= val_min && val < val_max){\n\t\treturn val;\n\t} else {\n\t\tfloat range = val_max - val_min;\n\t\tif(val >= val_max){\n\t\t\tfloat delta = (val - val_max);\n\t\t\treturn val_min + mod(delta, range);\n\t\t} else {\n\t\t\tfloat delta = (val_min - val);\n\t\t\treturn val_max - mod(delta, range);\n\t\t}\n\t}\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\nconst int _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1 = 1;\n\n\n// https://stackoverflow.com/questions/23793698/how-to-implement-slerp-in-glsl-hlsl\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t)\n// {\n// \tfloat dotp = dot(normalize(p0), normalize(p1));\n// \tif ((dotp > 0.9999) || (dotp < -0.9999))\n// \t{\n// \t\tif (t<=0.5)\n// \t\t\treturn p0;\n// \t\treturn p1;\n// \t}\n// \tfloat theta = acos(dotp);\n// \tvec4 P = ((p0*sin((1.0-t)*theta) + p1*sin(t*theta)) / sin(theta));\n// \tP.w = 1.0;\n// \treturn P;\n// }\n\n// https://devcry.heiho.net/html/2017/20170521-slerp.html\n// float lerp(float a, float b, float t) {\n// \treturn (1.0 - t) * a + t * b;\n// }\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t){\n// \tvec4 qb = p1;\n\n// \t// cos(a) = dot product\n// \tfloat cos_a = p0.x * qb.x + p0.y * qb.y + p0.z * qb.z + p0.w * qb.w;\n// \tif (cos_a < 0.0f) {\n// \t\tcos_a = -cos_a;\n// \t\tqb = -qb;\n// \t}\n\n// \t// close to zero, cos(a) ~= 1\n// \t// do linear interpolation\n// \tif (cos_a > 0.999) {\n// \t\treturn vec4(\n// \t\t\tlerp(p0.x, qb.x, t),\n// \t\t\tlerp(p0.y, qb.y, t),\n// \t\t\tlerp(p0.z, qb.z, t),\n// \t\t\tlerp(p0.w, qb.w, t)\n// \t\t);\n// \t}\n\n// \tfloat alpha = acos(cos_a);\n// \treturn (p0 * sin(1.0 - t) + p1 * sin(t * alpha)) / sin(alpha);\n// }\n\n// https://stackoverflow.com/questions/62943083/interpolate-between-two-quaternions-the-long-way\nvec4 quatSlerp(vec4 q1, vec4 q2, float t){\n\tfloat angle = acos(dot(q1, q2));\n\tfloat denom = sin(angle);\n\t//check if denom is zero\n\treturn (q1*sin((1.0-t)*angle)+q2*sin(t*angle))/denom;\n}\n// TO CHECK:\n// this page https://www.reddit.com/r/opengl/comments/704la7/glsl_quaternion_library/\n// has a link to a potentially nice pdf:\n// http://web.mit.edu/2.998/www/QuaternionReport1.pdf\n\n// https://github.com/mattatz/ShibuyaCrowd/blob/master/source/shaders/common/quaternion.glsl\nvec4 quatMult(vec4 q1, vec4 q2)\n{\n\treturn vec4(\n\tq1.w * q2.x + q1.x * q2.w + q1.z * q2.y - q1.y * q2.z,\n\tq1.w * q2.y + q1.y * q2.w + q1.x * q2.z - q1.z * q2.x,\n\tq1.w * q2.z + q1.z * q2.w + q1.y * q2.x - q1.x * q2.y,\n\tq1.w * q2.w - q1.x * q2.x - q1.y * q2.y - q1.z * q2.z\n\t);\n}\n// http://glmatrix.net/docs/quat.js.html#line97\n//   let ax = a[0], ay = a[1], az = a[2], aw = a[3];\n\n//   let bx = b[0], by = b[1], bz = b[2], bw = b[3];\n\n//   out[0] = ax * bw + aw * bx + ay * bz - az * by;\n\n//   out[1] = ay * bw + aw * by + az * bx - ax * bz;\n\n//   out[2] = az * bw + aw * bz + ax * by - ay * bx;\n\n//   out[3] = aw * bw - ax * bx - ay * by - az * bz;\n\n//   return out\n\n\n\n// http://www.neilmendoza.com/glsl-rotation-about-an-arbitrary-axis/\nmat4 rotationMatrix(vec3 axis, float angle)\n{\n\taxis = normalize(axis);\n\tfloat s = sin(angle);\n\tfloat c = cos(angle);\n\tfloat oc = 1.0 - c;\n\n \treturn mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s,  oc * axis.z * axis.x + axis.y * s, 0.0, oc * axis.x * axis.y + axis.z * s,  oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s,  0.0, oc * axis.z * axis.x - axis.y * s,  oc * axis.y * axis.z + axis.x * s,  oc * axis.z * axis.z + c, 0.0, 0.0, 0.0, 0.0, 1.0);\n}\n\n// https://www.geeks3d.com/20141201/how-to-rotate-a-vertex-by-a-quaternion-in-glsl/\nvec4 quatFromAxisAngle(vec3 axis, float angle)\n{\n\tvec4 qr;\n\tfloat half_angle = (angle * 0.5); // * 3.14159 / 180.0;\n\tfloat sin_half_angle = sin(half_angle);\n\tqr.x = axis.x * sin_half_angle;\n\tqr.y = axis.y * sin_half_angle;\n\tqr.z = axis.z * sin_half_angle;\n\tqr.w = cos(half_angle);\n\treturn qr;\n}\nvec3 rotateWithAxisAngle(vec3 position, vec3 axis, float angle)\n{\n\tvec4 q = quatFromAxisAngle(axis, angle);\n\tvec3 v = position.xyz;\n\treturn v + 2.0 * cross(q.xyz, cross(q.xyz, v) + q.w * v);\n}\n// vec3 applyQuaternionToVector( vec4 q, vec3 v ){\n// \treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n// }\nvec3 rotateWithQuat( vec3 v, vec4 q )\n{\n\t// vec4 qv = multQuat( quat, vec4(vec, 0.0) );\n\t// return multQuat( qv, vec4(-quat.x, -quat.y, -quat.z, quat.w) ).xyz;\n\treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n}\n// https://github.com/glslify/glsl-look-at/blob/gh-pages/index.glsl\n// mat3 rotation_matrix(vec3 origin, vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target - origin);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n// mat3 rotation_matrix(vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n\nfloat vectorAngle(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 c1 = cross(start, dest);\n\t// We use the dot product of the cross with the Y axis.\n\t// This is a little arbitrary, but can still give a good sense of direction\n\tvec3 y_axis = vec3(0.0, 1.0, 0.0);\n\tfloat d1 = dot(c1, y_axis);\n\tfloat angle = acos(cosTheta) * sign(d1);\n\treturn angle;\n}\n\n// http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-17-quaternions/#i-need-an-equivalent-of-glulookat-how-do-i-orient-an-object-towards-a-point-\nvec4 vectorAlign(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 axis;\n\n\t// if (cosTheta < -1 + 0.001f){\n\t// \t// special case when vectors in opposite directions:\n\t// \t// there is no ideal rotation axis\n\t// \t// So guess one; any will do as long as it's perpendicular to start\n\t// \taxis = cross(vec3(0.0f, 0.0f, 1.0f), start);\n\t// \tif (length2(axis) < 0.01 ) // bad luck, they were parallel, try again!\n\t// \t\taxis = cross(vec3(1.0f, 0.0f, 0.0f), start);\n\n\t// \taxis = normalize(axis);\n\t// \treturn gtx::quaternion::angleAxis(glm::radians(180.0f), axis);\n\t// }\n\tif(cosTheta > (1.0 - 0.0001) || cosTheta < (-1.0 + 0.0001) ){\n\t\taxis = normalize(cross(start, vec3(0.0, 1.0, 0.0)));\n\t\tif (length(axis) < 0.001 ){ // bad luck, they were parallel, try again!\n\t\t\taxis = normalize(cross(start, vec3(1.0, 0.0, 0.0)));\n\t\t}\n\t} else {\n\t\taxis = normalize(cross(start, dest));\n\t}\n\n\tfloat angle = acos(cosTheta);\n\n\treturn quatFromAxisAngle(axis, angle);\n}\nvec4 vectorAlignWithUp(vec3 start, vec3 dest, vec3 up){\n\tvec4 rot1 = vectorAlign(start, dest);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\t// vec3 right = normalize(cross(dest, up));\n\t// up = normalize(cross(right, dest));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(vec3(0.0, 1.0, 0.0), rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(up, newUp);\n\n\t// return rot1;\n\treturn rot2;\n\t// return multQuat(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\n// https://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\nfloat quatToAngle(vec4 q){\n\treturn 2.0 * acos(q.w);\n}\nvec3 quatToAxis(vec4 q){\n\treturn vec3(\n\t\tq.x / sqrt(1.0-q.w*q.w),\n\t\tq.y / sqrt(1.0-q.w*q.w),\n\t\tq.z / sqrt(1.0-q.w*q.w)\n\t);\n}\n\nvec4 align(vec3 dir, vec3 up){\n\tvec3 start_dir = vec3(0.0, 0.0, 1.0);\n\tvec3 start_up = vec3(0.0, 1.0, 0.0);\n\tvec4 rot1 = vectorAlign(start_dir, dir);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\tvec3 right = normalize(cross(dir, up));\n\tif(length(right)<0.001){\n\t\tright = vec3(1.0, 0.0, 0.0);\n\t}\n\tup = normalize(cross(right, dir));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(start_up, rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(normalize(newUp), up);\n\n\t// return rot1;\n\treturn quatMult(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\nstruct EnvMapProps {\n\tvec3 tint;\n\tfloat intensity;\n\tfloat roughness;\n\tfloat fresnel;\n\tfloat fresnelPower;\n};\nuniform sampler2D envMap;\nuniform float envMapIntensity;\nuniform float roughness;\n#ifdef ROTATE_ENV_MAP_Y\n\tuniform float envMapRotationY;\n#endif\nvec3 envMapSample(vec3 rayDir, float envMapRoughness){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = vec3(0.);\n\t// vec2 uv = vec2( atan( -rayDir.z, -rayDir.x ) * RECIPROCAL_PI2 + 0.5, rayDir.y * 0.5 + 0.5 );\n\t// vec3 env = texture2D(map, uv).rgb;\n\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t#ifdef ROTATE_ENV_MAP_Y\n\t\t\trayDir = rotateWithAxisAngle(rayDir, vec3(0.,1.,0.), envMapRotationY);\n\t\t#endif\n\t\tenv = textureCubeUV(envMap, rayDir, envMapRoughness * roughness).rgb;\n\t#endif\n\treturn env;\n}\nvec3 envMapSampleWithFresnel(vec3 rayDir, EnvMapProps envMapProps, vec3 n, vec3 cameraPosition){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = envMapSample(rayDir, envMapProps.roughness);\n\tfloat fresnel = pow(1.-dot(normalize(cameraPosition), n), envMapProps.fresnelPower);\n\tfloat fresnelFactor = (1.-envMapProps.fresnel) + envMapProps.fresnel*fresnel;\n\treturn env * envMapIntensity * envMapProps.tint * envMapProps.intensity * fresnelFactor;\n}\n#define RAYMARCHED_REFRACTIONS 1\n#define RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST 1\n#define RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM 1\n\n\n\n\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nprecision highp sampler3D;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\nuniform vec3 v_POLY_param_textureSDF1BoundMin;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\nuniform vec3 v_POLY_param_textureSDF1BoundMax;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\nuniform float time;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nuniform sampler3D v_POLY_textureSDF_textureSDF1;\n\n\n\n\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\n\tvec3 v_POLY_textureSDF1BoundMin_val = v_POLY_param_textureSDF1BoundMin;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\n\tvec3 v_POLY_textureSDF1BoundMax_val = v_POLY_param_textureSDF1BoundMax;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\n\tvec3 v_POLY_globals1_position = p;\n\tfloat v_POLY_globals1_time = time;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\n\tvec3 v_POLY_textureSDF1_boundCenter = (v_POLY_textureSDF1BoundMax_val + v_POLY_textureSDF1BoundMin_val)*0.5;\n\tvec3 v_POLY_textureSDF1_boundSize = (v_POLY_textureSDF1BoundMax_val - v_POLY_textureSDF1BoundMin_val);\n\tvec3 v_POLY_textureSDF1_positionNormalised = ((p - v_POLY_textureSDF1BoundMin_val) / v_POLY_textureSDF1_boundSize);\n\tfloat v_POLY_textureSDF1_sdBox = sdBox(p-v_POLY_textureSDF1_boundCenter, v_POLY_textureSDF1_boundSize*vec3(1.0, 1.0, 1.0));\n\tfloat v_POLY_textureSDF1_d = v_POLY_textureSDF1_sdBox < 0.01 ? texture(v_POLY_textureSDF_textureSDF1, v_POLY_textureSDF1_positionNormalised - vec3(0.0, 0.0, 0.0)).r : v_POLY_textureSDF1_sdBox;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\n\tfloat v_POLY_cycle1_val = cycle(v_POLY_globals1_time, 0.0, 12.5);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/vec3ToFloat1\n\tfloat v_POLY_vec3ToFloat1_x = v_POLY_globals1_position.x;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd4\n\tfloat v_POLY_multAdd4_val = (0.2*(v_POLY_cycle1_val + 0.0)) + 0.22;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd2\n\tfloat v_POLY_multAdd2_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -1.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd5\n\tfloat v_POLY_multAdd5_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -2.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null1\n\tfloat v_POLY_null1_val = v_POLY_multAdd2_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null2\n\tfloat v_POLY_null2_val = v_POLY_multAdd5_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd6\n\tfloat v_POLY_multAdd6_val = (1.0*(v_POLY_null1_val + 1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd7\n\tfloat v_POLY_multAdd7_val = (1.0*(v_POLY_null2_val + -1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep1\n\tfloat v_POLY_smoothstep1_val = smoothstep(v_POLY_null1_val, v_POLY_multAdd6_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep2\n\tfloat v_POLY_smoothstep2_val = smoothstep(v_POLY_null2_val, v_POLY_multAdd7_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/max1\n\tfloat v_POLY_max1_val = max(v_POLY_smoothstep1_val, v_POLY_smoothstep2_val);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd1\n\tfloat v_POLY_multAdd1_val = (0.31*(v_POLY_max1_val + 0.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd3\n\tfloat v_POLY_multAdd3_val = (1.0*(v_POLY_textureSDF1_d + v_POLY_multAdd1_val)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFContext1\n\tSDFContext v_POLY_SDFContext1_SDFContext = SDFContext(v_POLY_multAdd3_val, 0, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, 0.);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/output1\n\tsdfContext = v_POLY_SDFContext1_SDFContext;\n\n\n\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n\nvec3 applyMaterialWithoutRefraction(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\nvec3 applyMaterialWithoutReflection(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n#ifdef RAYMARCHED_REFLECTIONS\nvec3 GetReflection(vec3 p, vec3 n, vec3 rayDir, float biasMult, float roughness, int reflectionDepth, inout SDFContext sdfContextMain){\n\tbool hitReflection = true;\n\tvec3 reflectedColor = vec3(0.);\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < reflectionDepth; i++) {\n\t\tif(hitReflection){\n\t\t\trayDir = reflect(rayDir, n);\n\t\t\tp += n*SURF_DIST*biasMult;\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, 1.);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\tif( sdfContext.d >= MAX_DIST){\n\t\t\t\thitReflection = false;\n\t\t\t\treflectedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitReflection){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p);\n\t\t\t\tvec3 matCol = applyMaterialWithoutReflection(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\treflectedColor += matCol;\n\t\t\t}\n\t\t}\n\t}\n\t#pragma unroll_loop_end\n\treturn reflectedColor;\n}\n#endif\n\n#ifdef RAYMARCHED_REFRACTIONS\n// xyz for color, w for distanceInsideMedium\nvec4 GetRefractedData(vec3 p, vec3 n, vec3 rayDir, float ior, float biasMult, float roughness, float refractionMaxDist, int refractionDepth, inout SDFContext sdfContextMain){\n\tbool hitRefraction = true;\n\tbool changeSide = true;\n\t#ifdef RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM\n\tfloat side = -1.;\n\t#else\n\tfloat side =  1.;\n\t#endif\n\tfloat iorInverted = 1. / ior;\n\tvec3 refractedColor = vec3(0.);\n\tfloat distanceInsideMedium=0.;\n\tfloat totalRefractedDistance=0.;\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < refractionDepth; i++) {\n\t\tif(hitRefraction){\n\t\t\tfloat currentIor = side<0. ? iorInverted : ior;\n\t\t\tvec3 rayDirPreRefract = rayDir;\n\t\t\trayDir = refract(rayDir, n, currentIor);\n\t\t\tchangeSide = dot(rayDir, rayDir)!=0.;\n\t\t\tif(changeSide == true) {\n\t\t\t\tp -= n*SURF_DIST*(2.+biasMult);\n\t\t\t} else {\n\t\t\t\tp += n*SURF_DIST*(   biasMult);\n\t\t\t\trayDir = reflect(rayDirPreRefract, n);\n\t\t\t}\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, side);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\ttotalRefractedDistance += sdfContext.d;\n\t\t\tif( abs(sdfContext.d) >= MAX_DIST || totalRefractedDistance > refractionMaxDist ){\n\t\t\t\thitRefraction = false;\n\t\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitRefraction){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p) * side;\n\t\t\t\tvec3 matCol = applyMaterialWithoutRefraction(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\trefractedColor = matCol;\n\n\t\t\t\t// same as: side < 0. ? abs(sdfContext.d) : 0.;\n\t\t\t\tdistanceInsideMedium += (side-1.)*-0.5*abs(sdfContext.d);\n\t\t\t\tif( changeSide ){\n\t\t\t\t\tside *= -1.;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t#ifdef RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST\n\t\tif(i == refractionDepth-1){\n\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t}\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\treturn vec4(refractedColor, distanceInsideMedium);\n}\nfloat refractionTint(float baseValue, float tint, float distanceInsideMedium, float absorption){\n\tfloat tintNegated = baseValue-tint;\n\tfloat t = tintNegated*( distanceInsideMedium*absorption );\n\treturn max(baseValue-t, 0.);\n}\nfloat applyRefractionAbsorption(float refractedDataColor, float baseValue, float tint, float distanceInsideMedium, float absorption){\n\treturn refractedDataColor*refractionTint(baseValue, tint, distanceInsideMedium, absorption);\n}\nvec3 applyRefractionAbsorption(vec3 refractedDataColor, vec3 baseValue, vec3 tint, float distanceInsideMedium, float absorption){\n\treturn vec3(\n\t\trefractedDataColor.r * refractionTint(baseValue.r, tint.r, distanceInsideMedium, absorption),\n\t\trefractedDataColor.g * refractionTint(baseValue.g, tint.g, distanceInsideMedium, absorption),\n\t\trefractedDataColor.b * refractionTint(baseValue.b, tint.b, distanceInsideMedium, absorption)\n\t);\n}\n\n#endif\n\nvec3 applyMaterial(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(0.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t\tvec3 refractedColor = vec3(0.);\n\t\tfloat ior = 1.45;\n\t\tfloat biasMult = 2.0;\n\t\tvec3 baseValue = v_POLY_constant1_val;\n\t\tvec3 tint = vec3(0.7764705882352941, 0.5490196078431373, 0.06274509803921569);\n\t\tfloat absorption = 4.7;\n\t\t\t\n\t\n\t\tvec4 refractedData = GetRefractedData(p, n, rayDir, ior, biasMult, 1.0, 100.0, 3, sdfContext);\n\t\trefractedColor = applyRefractionAbsorption(refractedData.rgb, baseValue, tint, refractedData.w, absorption);\n\t\t\t\t;\n\t\n\t\tcol += refractedColor * 2.0;\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}","lights":true,"clipping":false},"onBeforeCompileDataJSONWithoutShaders":{"paramConfigs":[{"type":"node_path","name":"textureSDF1","defaultValue":"","uniformName":"v_POLY_textureSDF_textureSDF1"},{"type":"vector3","name":"textureSDF1BoundMax","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMax"},{"type":"vector3","name":"textureSDF1BoundMin","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMin"}],"timeDependent":true,"resolutionDependent":false,"raymarchingLightsWorldCoordsDependent":true},"customMaterials":{"customDepthMaterial":{"material":{"metadata":{"version":4.5,"type":"Material","generator":"Material.toJSON"},"uuid":"/raymarchedObject/MAT/rayMarchingBuilder1-customDepthMaterial","type":"ShaderMaterial","name":"customDepthMaterial","depthFunc":3,"depthTest":true,"depthWrite":true,"colorWrite":true,"stencilWrite":false,"stencilWriteMask":255,"stencilFunc":519,"stencilRef":0,"stencilFuncMask":255,"stencilFail":7680,"stencilZFail":7680,"stencilZPass":7680,"alphaTest":0.5,"forceSinglePass":true,"fog":false,"glslVersion":null,"uniforms":{"diffuse":{"type":"c","value":16777215},"opacity":{"value":1},"map":{"value":null},"mapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaMap":{"value":null},"alphaMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaTest":{"value":0},"envMap":{"value":null},"flipEnvMap":{"value":-1},"reflectivity":{"value":1},"ior":{"value":1.5},"refractionRatio":{"value":0.98},"aoMap":{"value":null},"aoMapIntensity":{"value":1},"aoMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"lightMap":{"value":null},"lightMapIntensity":{"value":1},"lightMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"emissiveMap":{"value":null},"emissiveMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpMap":{"value":null},"bumpMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpScale":{"value":1},"normalMap":{"value":null},"normalMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"normalScale":{"type":"v2","value":[1,1]},"displacementMap":{"value":null},"displacementMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"displacementScale":{"value":1},"displacementBias":{"value":0},"roughnessMap":{"value":null},"roughnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"metalnessMap":{"value":null},"metalnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"fogDensity":{"value":0.00025},"fogNear":{"value":1},"fogFar":{"value":2000},"fogColor":{"type":"c","value":16777215},"ambientLightColor":{"value":[]},"lightProbe":{"value":[]},"directionalLights":{"value":[]},"directionalLightShadows":{"value":[]},"directionalShadowMap":{"value":[]},"directionalShadowMatrix":{"value":[]},"spotLights":{"value":[]},"spotLightShadows":{"value":[]},"spotLightMap":{"value":[]},"spotShadowMap":{"value":[]},"spotLightMatrix":{"value":[]},"pointLights":{"value":[]},"pointLightShadows":{"value":[]},"pointShadowMap":{"value":[]},"pointShadowMatrix":{"value":[]},"hemisphereLights":{"value":[]},"rectAreaLights":{"value":[]},"ltc_1":{"value":null},"ltc_2":{"value":null},"emissive":{"type":"c","value":0},"roughness":{"value":1},"metalness":{"value":0},"envMapIntensity":{"value":1},"MAX_STEPS":{"value":100},"MAX_DIST":{"value":100},"SURF_DIST":{"value":0.001},"NORMALS_BIAS":{"value":0.01},"SHADOW_BIAS":{"value":0},"debugMinSteps":{"value":0},"debugMaxSteps":{"value":128},"debugMinDepth":{"value":0},"debugMaxDepth":{"value":128},"shadowDistanceMin":{"value":0},"shadowDistanceMax":{"value":100},"shadowDepthMin":{"value":0},"shadowDepthMax":{"value":100},"envMapRotationY":{"value":0},"spotLightsRayMarching":{"value":[{"penumbra":0,"shadowBiasAngle":0.01,"shadowBiasDistance":0.1}]},"directionalLightsRayMarching":{"value":[]},"pointLightsRayMarching":{"value":[]}},"defines":{"SHADOW_DEPTH":1,"DEPTH_PACKING":3200},"vertexShader":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","fragmentShader":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n// --- applyMaterial function definition\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}","lights":false,"clipping":false,"depthPacking":3200},"onBeforeCompileDataJSONWithoutShaders":{"paramConfigs":[{"type":"node_path","name":"textureSDF1","defaultValue":"","uniformName":"v_POLY_textureSDF_textureSDF1"},{"type":"vector3","name":"textureSDF1BoundMax","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMax"},{"type":"vector3","name":"textureSDF1BoundMin","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMin"}],"timeDependent":true,"resolutionDependent":false,"raymarchingLightsWorldCoordsDependent":true}},"customDistanceMaterial":{"material":{"metadata":{"version":4.5,"type":"Material","generator":"Material.toJSON"},"uuid":"/raymarchedObject/MAT/rayMarchingBuilder1-customDistanceMaterial","type":"ShaderMaterial","name":"customDistanceMaterial","depthFunc":3,"depthTest":true,"depthWrite":true,"colorWrite":true,"stencilWrite":false,"stencilWriteMask":255,"stencilFunc":519,"stencilRef":0,"stencilFuncMask":255,"stencilFail":7680,"stencilZFail":7680,"stencilZPass":7680,"alphaTest":0.5,"forceSinglePass":true,"fog":false,"glslVersion":null,"uniforms":{"diffuse":{"type":"c","value":16777215},"opacity":{"value":1},"map":{"value":null},"mapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaMap":{"value":null},"alphaMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaTest":{"value":0},"envMap":{"value":null},"flipEnvMap":{"value":-1},"reflectivity":{"value":1},"ior":{"value":1.5},"refractionRatio":{"value":0.98},"aoMap":{"value":null},"aoMapIntensity":{"value":1},"aoMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"lightMap":{"value":null},"lightMapIntensity":{"value":1},"lightMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"emissiveMap":{"value":null},"emissiveMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpMap":{"value":null},"bumpMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpScale":{"value":1},"normalMap":{"value":null},"normalMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"normalScale":{"type":"v2","value":[1,1]},"displacementMap":{"value":null},"displacementMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"displacementScale":{"value":1},"displacementBias":{"value":0},"roughnessMap":{"value":null},"roughnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"metalnessMap":{"value":null},"metalnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"fogDensity":{"value":0.00025},"fogNear":{"value":1},"fogFar":{"value":2000},"fogColor":{"type":"c","value":16777215},"ambientLightColor":{"value":[]},"lightProbe":{"value":[]},"directionalLights":{"value":[]},"directionalLightShadows":{"value":[]},"directionalShadowMap":{"value":[]},"directionalShadowMatrix":{"value":[]},"spotLights":{"value":[]},"spotLightShadows":{"value":[]},"spotLightMap":{"value":[]},"spotShadowMap":{"value":[]},"spotLightMatrix":{"value":[]},"pointLights":{"value":[]},"pointLightShadows":{"value":[]},"pointShadowMap":{"value":[]},"pointShadowMatrix":{"value":[]},"hemisphereLights":{"value":[]},"rectAreaLights":{"value":[]},"ltc_1":{"value":null},"ltc_2":{"value":null},"emissive":{"type":"c","value":0},"roughness":{"value":1},"metalness":{"value":0},"envMapIntensity":{"value":1},"MAX_STEPS":{"value":100},"MAX_DIST":{"value":100},"SURF_DIST":{"value":0.001},"NORMALS_BIAS":{"value":0.01},"SHADOW_BIAS":{"value":0},"debugMinSteps":{"value":0},"debugMaxSteps":{"value":128},"debugMinDepth":{"value":0},"debugMaxDepth":{"value":128},"shadowDistanceMin":{"value":0},"shadowDistanceMax":{"value":100},"shadowDepthMin":{"value":0},"shadowDepthMax":{"value":100},"envMapRotationY":{"value":0},"spotLightsRayMarching":{"value":[{"penumbra":0,"shadowBiasAngle":0.01,"shadowBiasDistance":0.1}]},"directionalLightsRayMarching":{"value":[]},"pointLightsRayMarching":{"value":[]}},"defines":{"SHADOW_DISTANCE":1},"vertexShader":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","fragmentShader":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n// --- applyMaterial function definition\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}","lights":false,"clipping":false},"onBeforeCompileDataJSONWithoutShaders":{"paramConfigs":[{"type":"node_path","name":"textureSDF1","defaultValue":"","uniformName":"v_POLY_textureSDF_textureSDF1"},{"type":"vector3","name":"textureSDF1BoundMax","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMax"},{"type":"vector3","name":"textureSDF1BoundMin","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMin"}],"timeDependent":true,"resolutionDependent":false,"raymarchingLightsWorldCoordsDependent":true}}}}}}},"box1":{"type":"box","params":{"sizes":[2,1,2],"center":[0,0.5,0]}},"boxLines1":{"type":"boxLines","inputs":["material1"]},"fileGLTF1":{"type":"fileGLTF","params":{"url":"https://raw.githubusercontent.com/polygonjs/polygonjs-assets/master/models/resources/threedscans.com/rhino.glb"}},"material1":{"type":"material","params":{"material":"../MAT/rayMarchingBuilder1"},"inputs":["box1"],"flags":{"display":true}},"material2":{"type":"material","params":{"material":"../MAT/meshStandard1"},"inputs":["fileGLTF1"]},"merge1":{"type":"merge","inputs":["material1","boxLines1"]}},"params":{"CADLinearTolerance":{"overriden_options":{"callback":"{}"}},"CADAngularTolerance":{"overriden_options":{"callback":"{}"}},"CADCurveAbscissa":{"overriden_options":{"callback":"{}"}},"CADCurveTolerance":{"overriden_options":{"callback":"{}"}},"CADDisplayEdges":{"overriden_options":{"callback":"{}"}},"CADEdgesColor":{"overriden_options":{"callback":"{}"}},"CADDisplayMeshes":{"overriden_options":{"callback":"{}"}},"CADMeshesColor":{"overriden_options":{"callback":"{}"}},"CADWireframe":{"overriden_options":{"callback":"{}"}},"CSGFacetAngle":{"overriden_options":{"callback":"{}"}},"CSGLinesColor":{"overriden_options":{"callback":"{}"}},"CSGMeshesColor":{"overriden_options":{"callback":"{}"}},"CSGWireframe":{"overriden_options":{"callback":"{}"}},"QUADTriangles":{"overriden_options":{"callback":"{}"}},"QUADWireframe":{"overriden_options":{"callback":"{}"}},"TetScale":{"overriden_options":{"callback":"{}"}},"TetDisplayLines":{"overriden_options":{"callback":"{}"}},"TetDisplaySharedFaces":{"overriden_options":{"callback":"{}"}},"TetDisplayPoints":{"overriden_options":{"callback":"{}"}},"TetDisplayCenter":{"overriden_options":{"callback":"{}"}},"TetDisplaySphere":{"overriden_options":{"callback":"{}"}}},"flags":{"display":true}}},"params":{"mainCameraPath":"/cameras/cameras:sopGroup/perspectiveCamera1"}},"ui":{"nodes":{"COP":{"pos":[-250,0],"comment":"This node contains the environment map","nodes":{"envMap":{"pos":[50,200]},"imageEnv":{"pos":[50,100]}}},"cameras":{"pos":[100,-250],"comment":"This contains the camera setup.\\nIf the performance of this scene was slow, you could try and enter this node, and un-bypass the cameraRenderer. This will set the pixelRatio from 2 (the default) to 1. Note that you will have to save the scene and reload it when you do so.","nodes":{"cameraControls1":{"pos":[-350,-150],"nodes":{"cameraOrbitControls1":{"pos":[0,0]}}},"cameraRenderer1":{"pos":[-350,100],"comment":"If the performance of this scene was slow, you could try and un-bypass this node. This will set the pixelRatio from 2 (the default) to 1. Note that you will have to save the scene and reload it when you do so.","nodes":{"WebGLRenderer1":{"pos":[0,0]}}},"perspectiveCamera_MAIN":{"pos":[-350,-250]}}},"lights":{"pos":[100,100],"comment":"This contains the light. It is not used when you load the scene, but would be if you were to change the raymarchingBuilder material node","nodes":{"hemisphereLight1":{"pos":[50,0]}}},"raymarchedObject":{"pos":[100,-500],"comment":"This contains the raymarched object, which is the core of this scene.\\nEnter this node to see how it is set up.","selection":["material1"],"nodes":{"COP":{"pos":[-350,400],"comment":"In this node, we both create and load the 3D textures used as SDF in the material","nodes":{"SDFExporter1":{"pos":[-150,-50],"comment":"This node saves the input SDF to disk. Note that it is much more practical to use it from the local app ( https://polygonjs.com/docs/install ) as it will save it right in your textures folder of your current project."},"SDFFromObject1":{"pos":[-150,-400],"comment":"This node creates a 3D texture representing the SDF of an object. \\nNote that it can take a very long time to create an SDF with a small step size. It is therefore recommended to do it and use the SDFExporter and reload it with the SDFFromUrl"},"SDFFromUrl1":{"pos":[-150,250],"comment":"This loads the SDF from a file or url, that was saved from the SDFExporter node. \\nTry and use the presets on the params panel to change the url it loads from"}}},"MAT":{"pos":[-350,200],"comment":"This node contains the RayMarching material node. Dive into it to see how it is set up","nodes":{"meshStandard1":{"pos":[0,0]},"rayMarchingBuilder1":{"pos":[0,250],"comment":"This is the raymarching material node. There are parameters on itself that controls it, as well as nodes inside.\\n\\nIf you want to change the texture used as SDF, go to its \"advanced\" tab, scroll down, and edit the \"textureSDF1\" parameter.\\n Note that if you change this parameter to point to another node, you need to make sure that the textureSDF1BoundMin and textureSDF1BoundMax are updated accordingly. Instead of editing their expressions manually, you can right click on this node and click on \"mat/rayMarchingBuilder\"->\"Update Texture SDF Bounds\"","nodes":{"SDFContext1":{"pos":[100,0]},"SDFMaterial1":{"pos":[-100,200]},"constant1":{"pos":[-300,200]},"output1":{"pos":[300,0]},"textureSDF1":{"pos":[-600,-650],"comment":"This node is the one that imports the 3D texture that creates the SDF representing the model.\\nIt creates a spare parameter on the raymarching node (the parent of this node), which is used to select the texture node to import."},"textureSDF1BoundMax":{"pos":[-900,-450]},"textureSDF1BoundMin":{"pos":[-900,-650]},"multAdd3":{"pos":[-150,-450]},"globals1":{"pos":[-1750,-150]},"vec3ToFloat1":{"pos":[-1000,250]},"smoothstep1":{"pos":[-600,-150]},"multAdd1":{"pos":[-200,-150]},"multAdd4":{"pos":[-1300,-150]},"multAdd6":{"pos":[-850,-150]},"null1":{"pos":[-1000,-250]},"smoothstep2":{"pos":[-600,0]},"multAdd7":{"pos":[-850,50]},"multAdd5":{"pos":[-1150,0]},"multAdd2":{"pos":[-1150,-250]},"null2":{"pos":[-1000,0]},"max1":{"pos":[-450,-50]},"cycle1":{"pos":[-1550,0]}}}}},"box1":{"pos":[-50,50]},"boxLines1":{"pos":[150,350],"comment":"using a boxLine node is useful when doing the lookdev of a raymarching material, as it allows to display the bounds of the box we are using. Alternatively , If you were to render on a sphere or other object, you could apply a wireframe material to it."},"fileGLTF1":{"pos":[-50,-400]},"material1":{"pos":[-50,200],"comment":"This applies the raymarching builder to the material"},"material2":{"pos":[-50,-250],"comment":"This imports the rhino geometry, which was used to create the 3D texture representing its SDF (signed distance function, which is what allows to create its shape in the raymarching material) "},"merge1":{"pos":[-50,650]}}}}},"shaders":{"/raymarchedObject/MAT/rayMarchingBuilder1":{"vertex":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","fragment":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nfloat dot2( in vec2 v ) { return dot(v,v); }\nfloat dot2( in vec3 v ) { return dot(v,v); }\nfloat ndot( in vec2 a, in vec2 b ) { return a.x*b.x - a.y*b.y; }\n// https://iquilezles.org/articles/distfunctions/\n\n\n/*\n*\n* SDF PRIMITIVES\n*\n*/\nfloat sdSphere( vec3 p, float s )\n{\n\treturn length(p)-s;\n}\nfloat sdCutSphere( vec3 p, float r, float h )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat s = max( (h-r)*q.x*q.x+w*w*(h+r-2.0*q.y), h*q.x-w*q.y );\n\treturn (s<0.0) ? length(q)-r :\n\t\t\t\t(q.x<w) ? h - q.y :\n\t\t\t\t\tlength(q-vec2(w,h));\n}\nfloat sdCutHollowSphere( vec3 p, float r, float h, float t )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\t\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\treturn ((h*q.x<w*q.y) ? length(q-vec2(w,h)) : \n\t\t\t\t\t\t\tabs(length(q)-r) ) - t;\n}\n\nfloat sdBox( vec3 p, vec3 b )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0);\n}\nfloat sdRoundBox( vec3 p, vec3 b, float r )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0) - r;\n}\n\n\nfloat sdBoxFrame( vec3 p, vec3 b, float e )\n{\n\t\tp = abs(p  )-b*0.5;\n\tvec3 q = abs(p+e)-e;\n\treturn min(min(\n\t\tlength(max(vec3(p.x,q.y,q.z),0.0))+min(max(p.x,max(q.y,q.z)),0.0),\n\t\tlength(max(vec3(q.x,p.y,q.z),0.0))+min(max(q.x,max(p.y,q.z)),0.0)),\n\t\tlength(max(vec3(q.x,q.y,p.z),0.0))+min(max(q.x,max(q.y,p.z)),0.0));\n}\nfloat sdCapsule( vec3 p, vec3 a, vec3 b, float r )\n{\n\tvec3 pa = p - a, ba = b - a;\n\tfloat h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 );\n\treturn length( pa - ba*h ) - r;\n}\nfloat sdVerticalCapsule( vec3 p, float h, float r )\n{\n\tp.y -= clamp( p.y, 0.0, h );\n\treturn length( p ) - r;\n}\nfloat sdCone( in vec3 p, in vec2 c, float h )\n{\n\t// c is the sin/cos of the angle, h is height\n\t// Alternatively pass q instead of (c,h),\n\t// which is the point at the base in 2D\n\tvec2 q = h*vec2(c.x/c.y,-1.0);\n\n\tvec2 w = vec2( length(p.xz), p.y );\n\tvec2 a = w - q*clamp( dot(w,q)/dot(q,q), 0.0, 1.0 );\n\tvec2 b = w - q*vec2( clamp( w.x/q.x, 0.0, 1.0 ), 1.0 );\n\tfloat k = sign( q.y );\n\tfloat d = min(dot( a, a ),dot(b, b));\n\tfloat s = max( k*(w.x*q.y-w.y*q.x),k*(w.y-q.y)  );\n\treturn sqrt(d)*sign(s);\n}\nfloat sdConeWrapped(vec3 pos, float angle, float height){\n\treturn sdCone(pos, vec2(sin(angle), cos(angle)), height);\n}\nfloat sdRoundCone( vec3 p, float r1, float r2, float h )\n{\n\tfloat b = (r1-r2)/h;\n\tfloat a = sqrt(1.0-b*b);\n\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat k = dot(q,vec2(-b,a));\n\tif( k<0.0 ) return length(q) - r1;\n\tif( k>a*h ) return length(q-vec2(0.0,h)) - r2;\n\treturn dot(q, vec2(a,b) ) - r1;\n}\nfloat sdOctogonPrism( in vec3 p, in float r, float h )\n{\n\tconst vec3 k = vec3(-0.9238795325,  // sqrt(2+sqrt(2))/2 \n\t\t\t\t\t\t0.3826834323,   // sqrt(2-sqrt(2))/2\n\t\t\t\t\t\t0.4142135623 ); // sqrt(2)-1 \n\t// reflections\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(vec2( k.x,k.y),p.xy),0.0)*vec2( k.x,k.y);\n\tp.xy -= 2.0*min(dot(vec2(-k.x,k.y),p.xy),0.0)*vec2(-k.x,k.y);\n\t// polygon side\n\tp.xy -= vec2(clamp(p.x, -k.z*r, k.z*r), r);\n\tvec2 d = vec2( length(p.xy)*sign(p.y), p.z-h );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHexPrism( vec3 p, vec2 h )\n{\n\tconst vec3 k = vec3(-0.8660254, 0.5, 0.57735);\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(k.xy, p.xy), 0.0)*k.xy;\n\tvec2 d = vec2(\n\t\tlength(p.xy-vec2(clamp(p.x,-k.z*h.x,k.z*h.x), h.x))*sign(p.y-h.x),\n\t\tp.z-h.y );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHorseshoe( in vec3 p, in float angle, in float r, in float le, vec2 w )\n{\n\tvec2 c = vec2(cos(angle),sin(angle));\n\tp.x = abs(p.x);\n\tfloat l = length(p.xy);\n\tp.xy = mat2(-c.x, c.y, \n\t\t\tc.y, c.x)*p.xy;\n\tp.xy = vec2((p.y>0.0 || p.x>0.0)?p.x:l*sign(-c.x),\n\t\t\t\t(p.x>0.0)?p.y:l );\n\tp.xy = vec2(p.x,abs(p.y-r))-vec2(le,0.0);\n\t\n\tvec2 q = vec2(length(max(p.xy,0.0)) + min(0.0,max(p.x,p.y)),p.z);\n\tvec2 d = abs(q) - w;\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdTriPrism( vec3 p, vec2 h )\n{\n\tvec3 q = abs(p);\n\treturn max(q.z-h.y,max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5);\n}\nfloat sdPyramid( vec3 p, float h)\n{\n\tfloat m2 = h*h + 0.25;\n\n\tp.xz = abs(p.xz);\n\tp.xz = (p.z>p.x) ? p.zx : p.xz;\n\tp.xz -= 0.5;\n\n\tvec3 q = vec3( p.z, h*p.y - 0.5*p.x, h*p.x + 0.5*p.y);\n\n\tfloat s = max(-q.x,0.0);\n\tfloat t = clamp( (q.y-0.5*p.z)/(m2+0.25), 0.0, 1.0 );\n\n\tfloat a = m2*(q.x+s)*(q.x+s) + q.y*q.y;\n\tfloat b = m2*(q.x+0.5*t)*(q.x+0.5*t) + (q.y-m2*t)*(q.y-m2*t);\n\n\tfloat d2 = min(q.y,-q.x*m2-q.y*0.5) > 0.0 ? 0.0 : min(a,b);\n\n\treturn sqrt( (d2+q.z*q.z)/m2 ) * sign(max(q.z,-p.y));\n}\n\nfloat sdPlane( vec3 p, vec3 n, float h )\n{\n\t// n must be normalized\n\treturn dot(p,n) + h;\n}\n\nfloat sdTorus( vec3 p, vec2 t )\n{\n\tvec2 q = vec2(length(p.xz)-t.x,p.y);\n\treturn length(q)-t.y;\n}\nfloat sdCappedTorus(in vec3 p, in float an, in float ra, in float rb)\n{\n\tvec2 sc = vec2(sin(an),cos(an));\n\tp.x = abs(p.x);\n\tfloat k = (sc.y*p.x>sc.x*p.z) ? dot(p.xz,sc) : length(p.xz);\n\treturn sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;\n}\nfloat sdLink( vec3 p, float le, float r1, float r2 )\n{\n  vec3 q = vec3( p.x, max(abs(p.y)-le,0.0), p.z );\n  return length(vec2(length(q.xy)-r1,q.z)) - r2;\n}\n// c is the sin/cos of the desired cone angle\nfloat sdSolidAngle(vec3 pos, vec2 c, float radius)\n{\n\tvec2 p = vec2( length(pos.xz), pos.y );\n\tfloat l = length(p) - radius;\n\tfloat m = length(p - c*clamp(dot(p,c),0.0,radius) );\n\treturn max(l,m*sign(c.y*p.x-c.x*p.y));\n}\nfloat sdSolidAngleWrapped(vec3 pos, float angle, float radius){\n\treturn sdSolidAngle(pos, vec2(sin(angle), cos(angle)), radius);\n}\nfloat sdTube( vec3 p, float r )\n{\n\treturn length(p.xz)-r;\n}\nfloat sdTubeCapped( vec3 p, float h, float r )\n{\n\tvec2 d = abs(vec2(length(p.xz),p.y)) - vec2(r,h);\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdOctahedron( vec3 p, float s)\n{\n  p = abs(p);\n  float m = p.x+p.y+p.z-s;\n  vec3 q;\n       if( 3.0*p.x < m ) q = p.xyz;\n  else if( 3.0*p.y < m ) q = p.yzx;\n  else if( 3.0*p.z < m ) q = p.zxy;\n  else return m*0.57735027;\n    \n  float k = clamp(0.5*(q.z-q.y+s),0.0,s); \n  return length(vec3(q.x,q.y-s+k,q.z-k)); \n}\nfloat udTriangle( vec3 p, vec3 a, vec3 b, vec3 c, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 ac = a - c; vec3 pc = p - c;\n\tvec3 nor = cross( ba, ac );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(ac,nor),pc))<2.0)\n\t\t?\n\t\tmin( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(ac*clamp(dot(ac,pc)/dot2(ac),0.0,1.0)-pc) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\nfloat udQuad( vec3 p, vec3 a, vec3 b, vec3 c, vec3 d, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 dc = d - c; vec3 pc = p - c;\n\tvec3 ad = a - d; vec3 pd = p - d;\n\tvec3 nor = cross( ba, ad );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(dc,nor),pc)) +\n\t\tsign(dot(cross(ad,nor),pd))<3.0)\n\t\t?\n\t\tmin( min( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(dc*clamp(dot(dc,pc)/dot2(dc),0.0,1.0)-pc) ),\n\t\tdot2(ad*clamp(dot(ad,pd)/dot2(ad),0.0,1.0)-pd) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\n\n/*\n*\n* SDF OPERATIONS\n*\n*/\nfloat SDFUnion( float d1, float d2 ) { return min(d1,d2); }\nfloat SDFSubtract( float d1, float d2 ) { return max(-d1,d2); }\nfloat SDFIntersect( float d1, float d2 ) { return max(d1,d2); }\n\nfloat SDFSmoothUnion( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) - k*h*(1.0-h);\n}\n\nfloat SDFSmoothSubtract( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );\n\treturn mix( d2, -d1, h ) + k*h*(1.0-h);\n}\n\nfloat SDFSmoothIntersect( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) + k*h*(1.0-h);\n}\n\nvec4 SDFElongateFast( in vec3 p, in vec3 h )\n{\n\treturn vec4( p-clamp(p,-h,h), 0.0 );\n}\nvec4 SDFElongateSlow( in vec3 p, in vec3 h )\n{\n\tvec3 q = abs(p)-h;\n\treturn vec4( max(q,0.0), min(max(q.x,max(q.y,q.z)),0.0) );\n}\n\nfloat SDFOnion( in float sdf, in float thickness )\n{\n\treturn abs(sdf)-thickness;\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\nfloat cycle(float val, float val_min, float val_max){\n\tif(val >= val_min && val < val_max){\n\t\treturn val;\n\t} else {\n\t\tfloat range = val_max - val_min;\n\t\tif(val >= val_max){\n\t\t\tfloat delta = (val - val_max);\n\t\t\treturn val_min + mod(delta, range);\n\t\t} else {\n\t\t\tfloat delta = (val_min - val);\n\t\t\treturn val_max - mod(delta, range);\n\t\t}\n\t}\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\nconst int _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1 = 1;\n\n\n// https://stackoverflow.com/questions/23793698/how-to-implement-slerp-in-glsl-hlsl\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t)\n// {\n// \tfloat dotp = dot(normalize(p0), normalize(p1));\n// \tif ((dotp > 0.9999) || (dotp < -0.9999))\n// \t{\n// \t\tif (t<=0.5)\n// \t\t\treturn p0;\n// \t\treturn p1;\n// \t}\n// \tfloat theta = acos(dotp);\n// \tvec4 P = ((p0*sin((1.0-t)*theta) + p1*sin(t*theta)) / sin(theta));\n// \tP.w = 1.0;\n// \treturn P;\n// }\n\n// https://devcry.heiho.net/html/2017/20170521-slerp.html\n// float lerp(float a, float b, float t) {\n// \treturn (1.0 - t) * a + t * b;\n// }\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t){\n// \tvec4 qb = p1;\n\n// \t// cos(a) = dot product\n// \tfloat cos_a = p0.x * qb.x + p0.y * qb.y + p0.z * qb.z + p0.w * qb.w;\n// \tif (cos_a < 0.0f) {\n// \t\tcos_a = -cos_a;\n// \t\tqb = -qb;\n// \t}\n\n// \t// close to zero, cos(a) ~= 1\n// \t// do linear interpolation\n// \tif (cos_a > 0.999) {\n// \t\treturn vec4(\n// \t\t\tlerp(p0.x, qb.x, t),\n// \t\t\tlerp(p0.y, qb.y, t),\n// \t\t\tlerp(p0.z, qb.z, t),\n// \t\t\tlerp(p0.w, qb.w, t)\n// \t\t);\n// \t}\n\n// \tfloat alpha = acos(cos_a);\n// \treturn (p0 * sin(1.0 - t) + p1 * sin(t * alpha)) / sin(alpha);\n// }\n\n// https://stackoverflow.com/questions/62943083/interpolate-between-two-quaternions-the-long-way\nvec4 quatSlerp(vec4 q1, vec4 q2, float t){\n\tfloat angle = acos(dot(q1, q2));\n\tfloat denom = sin(angle);\n\t//check if denom is zero\n\treturn (q1*sin((1.0-t)*angle)+q2*sin(t*angle))/denom;\n}\n// TO CHECK:\n// this page https://www.reddit.com/r/opengl/comments/704la7/glsl_quaternion_library/\n// has a link to a potentially nice pdf:\n// http://web.mit.edu/2.998/www/QuaternionReport1.pdf\n\n// https://github.com/mattatz/ShibuyaCrowd/blob/master/source/shaders/common/quaternion.glsl\nvec4 quatMult(vec4 q1, vec4 q2)\n{\n\treturn vec4(\n\tq1.w * q2.x + q1.x * q2.w + q1.z * q2.y - q1.y * q2.z,\n\tq1.w * q2.y + q1.y * q2.w + q1.x * q2.z - q1.z * q2.x,\n\tq1.w * q2.z + q1.z * q2.w + q1.y * q2.x - q1.x * q2.y,\n\tq1.w * q2.w - q1.x * q2.x - q1.y * q2.y - q1.z * q2.z\n\t);\n}\n// http://glmatrix.net/docs/quat.js.html#line97\n//   let ax = a[0], ay = a[1], az = a[2], aw = a[3];\n\n//   let bx = b[0], by = b[1], bz = b[2], bw = b[3];\n\n//   out[0] = ax * bw + aw * bx + ay * bz - az * by;\n\n//   out[1] = ay * bw + aw * by + az * bx - ax * bz;\n\n//   out[2] = az * bw + aw * bz + ax * by - ay * bx;\n\n//   out[3] = aw * bw - ax * bx - ay * by - az * bz;\n\n//   return out\n\n\n\n// http://www.neilmendoza.com/glsl-rotation-about-an-arbitrary-axis/\nmat4 rotationMatrix(vec3 axis, float angle)\n{\n\taxis = normalize(axis);\n\tfloat s = sin(angle);\n\tfloat c = cos(angle);\n\tfloat oc = 1.0 - c;\n\n \treturn mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s,  oc * axis.z * axis.x + axis.y * s, 0.0, oc * axis.x * axis.y + axis.z * s,  oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s,  0.0, oc * axis.z * axis.x - axis.y * s,  oc * axis.y * axis.z + axis.x * s,  oc * axis.z * axis.z + c, 0.0, 0.0, 0.0, 0.0, 1.0);\n}\n\n// https://www.geeks3d.com/20141201/how-to-rotate-a-vertex-by-a-quaternion-in-glsl/\nvec4 quatFromAxisAngle(vec3 axis, float angle)\n{\n\tvec4 qr;\n\tfloat half_angle = (angle * 0.5); // * 3.14159 / 180.0;\n\tfloat sin_half_angle = sin(half_angle);\n\tqr.x = axis.x * sin_half_angle;\n\tqr.y = axis.y * sin_half_angle;\n\tqr.z = axis.z * sin_half_angle;\n\tqr.w = cos(half_angle);\n\treturn qr;\n}\nvec3 rotateWithAxisAngle(vec3 position, vec3 axis, float angle)\n{\n\tvec4 q = quatFromAxisAngle(axis, angle);\n\tvec3 v = position.xyz;\n\treturn v + 2.0 * cross(q.xyz, cross(q.xyz, v) + q.w * v);\n}\n// vec3 applyQuaternionToVector( vec4 q, vec3 v ){\n// \treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n// }\nvec3 rotateWithQuat( vec3 v, vec4 q )\n{\n\t// vec4 qv = multQuat( quat, vec4(vec, 0.0) );\n\t// return multQuat( qv, vec4(-quat.x, -quat.y, -quat.z, quat.w) ).xyz;\n\treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n}\n// https://github.com/glslify/glsl-look-at/blob/gh-pages/index.glsl\n// mat3 rotation_matrix(vec3 origin, vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target - origin);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n// mat3 rotation_matrix(vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n\nfloat vectorAngle(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 c1 = cross(start, dest);\n\t// We use the dot product of the cross with the Y axis.\n\t// This is a little arbitrary, but can still give a good sense of direction\n\tvec3 y_axis = vec3(0.0, 1.0, 0.0);\n\tfloat d1 = dot(c1, y_axis);\n\tfloat angle = acos(cosTheta) * sign(d1);\n\treturn angle;\n}\n\n// http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-17-quaternions/#i-need-an-equivalent-of-glulookat-how-do-i-orient-an-object-towards-a-point-\nvec4 vectorAlign(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 axis;\n\n\t// if (cosTheta < -1 + 0.001f){\n\t// \t// special case when vectors in opposite directions:\n\t// \t// there is no ideal rotation axis\n\t// \t// So guess one; any will do as long as it's perpendicular to start\n\t// \taxis = cross(vec3(0.0f, 0.0f, 1.0f), start);\n\t// \tif (length2(axis) < 0.01 ) // bad luck, they were parallel, try again!\n\t// \t\taxis = cross(vec3(1.0f, 0.0f, 0.0f), start);\n\n\t// \taxis = normalize(axis);\n\t// \treturn gtx::quaternion::angleAxis(glm::radians(180.0f), axis);\n\t// }\n\tif(cosTheta > (1.0 - 0.0001) || cosTheta < (-1.0 + 0.0001) ){\n\t\taxis = normalize(cross(start, vec3(0.0, 1.0, 0.0)));\n\t\tif (length(axis) < 0.001 ){ // bad luck, they were parallel, try again!\n\t\t\taxis = normalize(cross(start, vec3(1.0, 0.0, 0.0)));\n\t\t}\n\t} else {\n\t\taxis = normalize(cross(start, dest));\n\t}\n\n\tfloat angle = acos(cosTheta);\n\n\treturn quatFromAxisAngle(axis, angle);\n}\nvec4 vectorAlignWithUp(vec3 start, vec3 dest, vec3 up){\n\tvec4 rot1 = vectorAlign(start, dest);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\t// vec3 right = normalize(cross(dest, up));\n\t// up = normalize(cross(right, dest));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(vec3(0.0, 1.0, 0.0), rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(up, newUp);\n\n\t// return rot1;\n\treturn rot2;\n\t// return multQuat(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\n// https://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\nfloat quatToAngle(vec4 q){\n\treturn 2.0 * acos(q.w);\n}\nvec3 quatToAxis(vec4 q){\n\treturn vec3(\n\t\tq.x / sqrt(1.0-q.w*q.w),\n\t\tq.y / sqrt(1.0-q.w*q.w),\n\t\tq.z / sqrt(1.0-q.w*q.w)\n\t);\n}\n\nvec4 align(vec3 dir, vec3 up){\n\tvec3 start_dir = vec3(0.0, 0.0, 1.0);\n\tvec3 start_up = vec3(0.0, 1.0, 0.0);\n\tvec4 rot1 = vectorAlign(start_dir, dir);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\tvec3 right = normalize(cross(dir, up));\n\tif(length(right)<0.001){\n\t\tright = vec3(1.0, 0.0, 0.0);\n\t}\n\tup = normalize(cross(right, dir));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(start_up, rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(normalize(newUp), up);\n\n\t// return rot1;\n\treturn quatMult(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\nstruct EnvMapProps {\n\tvec3 tint;\n\tfloat intensity;\n\tfloat roughness;\n\tfloat fresnel;\n\tfloat fresnelPower;\n};\nuniform sampler2D envMap;\nuniform float envMapIntensity;\nuniform float roughness;\n#ifdef ROTATE_ENV_MAP_Y\n\tuniform float envMapRotationY;\n#endif\nvec3 envMapSample(vec3 rayDir, float envMapRoughness){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = vec3(0.);\n\t// vec2 uv = vec2( atan( -rayDir.z, -rayDir.x ) * RECIPROCAL_PI2 + 0.5, rayDir.y * 0.5 + 0.5 );\n\t// vec3 env = texture2D(map, uv).rgb;\n\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t#ifdef ROTATE_ENV_MAP_Y\n\t\t\trayDir = rotateWithAxisAngle(rayDir, vec3(0.,1.,0.), envMapRotationY);\n\t\t#endif\n\t\tenv = textureCubeUV(envMap, rayDir, envMapRoughness * roughness).rgb;\n\t#endif\n\treturn env;\n}\nvec3 envMapSampleWithFresnel(vec3 rayDir, EnvMapProps envMapProps, vec3 n, vec3 cameraPosition){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = envMapSample(rayDir, envMapProps.roughness);\n\tfloat fresnel = pow(1.-dot(normalize(cameraPosition), n), envMapProps.fresnelPower);\n\tfloat fresnelFactor = (1.-envMapProps.fresnel) + envMapProps.fresnel*fresnel;\n\treturn env * envMapIntensity * envMapProps.tint * envMapProps.intensity * fresnelFactor;\n}\n#define RAYMARCHED_REFRACTIONS 1\n#define RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST 1\n#define RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM 1\n\n\n\n\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nprecision highp sampler3D;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\nuniform vec3 v_POLY_param_textureSDF1BoundMin;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\nuniform vec3 v_POLY_param_textureSDF1BoundMax;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\nuniform float time;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nuniform sampler3D v_POLY_textureSDF_textureSDF1;\n\n\n\n\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\n\tvec3 v_POLY_textureSDF1BoundMin_val = v_POLY_param_textureSDF1BoundMin;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\n\tvec3 v_POLY_textureSDF1BoundMax_val = v_POLY_param_textureSDF1BoundMax;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\n\tvec3 v_POLY_globals1_position = p;\n\tfloat v_POLY_globals1_time = time;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\n\tvec3 v_POLY_textureSDF1_boundCenter = (v_POLY_textureSDF1BoundMax_val + v_POLY_textureSDF1BoundMin_val)*0.5;\n\tvec3 v_POLY_textureSDF1_boundSize = (v_POLY_textureSDF1BoundMax_val - v_POLY_textureSDF1BoundMin_val);\n\tvec3 v_POLY_textureSDF1_positionNormalised = ((p - v_POLY_textureSDF1BoundMin_val) / v_POLY_textureSDF1_boundSize);\n\tfloat v_POLY_textureSDF1_sdBox = sdBox(p-v_POLY_textureSDF1_boundCenter, v_POLY_textureSDF1_boundSize*vec3(1.0, 1.0, 1.0));\n\tfloat v_POLY_textureSDF1_d = v_POLY_textureSDF1_sdBox < 0.01 ? texture(v_POLY_textureSDF_textureSDF1, v_POLY_textureSDF1_positionNormalised - vec3(0.0, 0.0, 0.0)).r : v_POLY_textureSDF1_sdBox;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\n\tfloat v_POLY_cycle1_val = cycle(v_POLY_globals1_time, 0.0, 12.5);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/vec3ToFloat1\n\tfloat v_POLY_vec3ToFloat1_x = v_POLY_globals1_position.x;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd4\n\tfloat v_POLY_multAdd4_val = (0.2*(v_POLY_cycle1_val + 0.0)) + 0.22;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd2\n\tfloat v_POLY_multAdd2_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -1.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd5\n\tfloat v_POLY_multAdd5_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -2.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null1\n\tfloat v_POLY_null1_val = v_POLY_multAdd2_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null2\n\tfloat v_POLY_null2_val = v_POLY_multAdd5_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd6\n\tfloat v_POLY_multAdd6_val = (1.0*(v_POLY_null1_val + 1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd7\n\tfloat v_POLY_multAdd7_val = (1.0*(v_POLY_null2_val + -1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep1\n\tfloat v_POLY_smoothstep1_val = smoothstep(v_POLY_null1_val, v_POLY_multAdd6_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep2\n\tfloat v_POLY_smoothstep2_val = smoothstep(v_POLY_null2_val, v_POLY_multAdd7_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/max1\n\tfloat v_POLY_max1_val = max(v_POLY_smoothstep1_val, v_POLY_smoothstep2_val);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd1\n\tfloat v_POLY_multAdd1_val = (0.31*(v_POLY_max1_val + 0.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd3\n\tfloat v_POLY_multAdd3_val = (1.0*(v_POLY_textureSDF1_d + v_POLY_multAdd1_val)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFContext1\n\tSDFContext v_POLY_SDFContext1_SDFContext = SDFContext(v_POLY_multAdd3_val, 0, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, 0.);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/output1\n\tsdfContext = v_POLY_SDFContext1_SDFContext;\n\n\n\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n\nvec3 applyMaterialWithoutRefraction(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\nvec3 applyMaterialWithoutReflection(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n#ifdef RAYMARCHED_REFLECTIONS\nvec3 GetReflection(vec3 p, vec3 n, vec3 rayDir, float biasMult, float roughness, int reflectionDepth, inout SDFContext sdfContextMain){\n\tbool hitReflection = true;\n\tvec3 reflectedColor = vec3(0.);\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < reflectionDepth; i++) {\n\t\tif(hitReflection){\n\t\t\trayDir = reflect(rayDir, n);\n\t\t\tp += n*SURF_DIST*biasMult;\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, 1.);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\tif( sdfContext.d >= MAX_DIST){\n\t\t\t\thitReflection = false;\n\t\t\t\treflectedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitReflection){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p);\n\t\t\t\tvec3 matCol = applyMaterialWithoutReflection(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\treflectedColor += matCol;\n\t\t\t}\n\t\t}\n\t}\n\t#pragma unroll_loop_end\n\treturn reflectedColor;\n}\n#endif\n\n#ifdef RAYMARCHED_REFRACTIONS\n// xyz for color, w for distanceInsideMedium\nvec4 GetRefractedData(vec3 p, vec3 n, vec3 rayDir, float ior, float biasMult, float roughness, float refractionMaxDist, int refractionDepth, inout SDFContext sdfContextMain){\n\tbool hitRefraction = true;\n\tbool changeSide = true;\n\t#ifdef RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM\n\tfloat side = -1.;\n\t#else\n\tfloat side =  1.;\n\t#endif\n\tfloat iorInverted = 1. / ior;\n\tvec3 refractedColor = vec3(0.);\n\tfloat distanceInsideMedium=0.;\n\tfloat totalRefractedDistance=0.;\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < refractionDepth; i++) {\n\t\tif(hitRefraction){\n\t\t\tfloat currentIor = side<0. ? iorInverted : ior;\n\t\t\tvec3 rayDirPreRefract = rayDir;\n\t\t\trayDir = refract(rayDir, n, currentIor);\n\t\t\tchangeSide = dot(rayDir, rayDir)!=0.;\n\t\t\tif(changeSide == true) {\n\t\t\t\tp -= n*SURF_DIST*(2.+biasMult);\n\t\t\t} else {\n\t\t\t\tp += n*SURF_DIST*(   biasMult);\n\t\t\t\trayDir = reflect(rayDirPreRefract, n);\n\t\t\t}\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, side);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\ttotalRefractedDistance += sdfContext.d;\n\t\t\tif( abs(sdfContext.d) >= MAX_DIST || totalRefractedDistance > refractionMaxDist ){\n\t\t\t\thitRefraction = false;\n\t\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitRefraction){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p) * side;\n\t\t\t\tvec3 matCol = applyMaterialWithoutRefraction(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\trefractedColor = matCol;\n\n\t\t\t\t// same as: side < 0. ? abs(sdfContext.d) : 0.;\n\t\t\t\tdistanceInsideMedium += (side-1.)*-0.5*abs(sdfContext.d);\n\t\t\t\tif( changeSide ){\n\t\t\t\t\tside *= -1.;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t#ifdef RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST\n\t\tif(i == refractionDepth-1){\n\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t}\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\treturn vec4(refractedColor, distanceInsideMedium);\n}\nfloat refractionTint(float baseValue, float tint, float distanceInsideMedium, float absorption){\n\tfloat tintNegated = baseValue-tint;\n\tfloat t = tintNegated*( distanceInsideMedium*absorption );\n\treturn max(baseValue-t, 0.);\n}\nfloat applyRefractionAbsorption(float refractedDataColor, float baseValue, float tint, float distanceInsideMedium, float absorption){\n\treturn refractedDataColor*refractionTint(baseValue, tint, distanceInsideMedium, absorption);\n}\nvec3 applyRefractionAbsorption(vec3 refractedDataColor, vec3 baseValue, vec3 tint, float distanceInsideMedium, float absorption){\n\treturn vec3(\n\t\trefractedDataColor.r * refractionTint(baseValue.r, tint.r, distanceInsideMedium, absorption),\n\t\trefractedDataColor.g * refractionTint(baseValue.g, tint.g, distanceInsideMedium, absorption),\n\t\trefractedDataColor.b * refractionTint(baseValue.b, tint.b, distanceInsideMedium, absorption)\n\t);\n}\n\n#endif\n\nvec3 applyMaterial(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(0.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t\tvec3 refractedColor = vec3(0.);\n\t\tfloat ior = 1.45;\n\t\tfloat biasMult = 2.0;\n\t\tvec3 baseValue = v_POLY_constant1_val;\n\t\tvec3 tint = vec3(0.7764705882352941, 0.5490196078431373, 0.06274509803921569);\n\t\tfloat absorption = 4.7;\n\t\t\t\n\t\n\t\tvec4 refractedData = GetRefractedData(p, n, rayDir, ior, biasMult, 1.0, 100.0, 3, sdfContext);\n\t\trefractedColor = applyRefractionAbsorption(refractedData.rgb, baseValue, tint, refractedData.w, absorption);\n\t\t\t\t;\n\t\n\t\tcol += refractedColor * 2.0;\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}","customDepthMaterial.vertex":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","customDepthMaterial.fragment":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nfloat dot2( in vec2 v ) { return dot(v,v); }\nfloat dot2( in vec3 v ) { return dot(v,v); }\nfloat ndot( in vec2 a, in vec2 b ) { return a.x*b.x - a.y*b.y; }\n// https://iquilezles.org/articles/distfunctions/\n\n\n/*\n*\n* SDF PRIMITIVES\n*\n*/\nfloat sdSphere( vec3 p, float s )\n{\n\treturn length(p)-s;\n}\nfloat sdCutSphere( vec3 p, float r, float h )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat s = max( (h-r)*q.x*q.x+w*w*(h+r-2.0*q.y), h*q.x-w*q.y );\n\treturn (s<0.0) ? length(q)-r :\n\t\t\t\t(q.x<w) ? h - q.y :\n\t\t\t\t\tlength(q-vec2(w,h));\n}\nfloat sdCutHollowSphere( vec3 p, float r, float h, float t )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\t\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\treturn ((h*q.x<w*q.y) ? length(q-vec2(w,h)) : \n\t\t\t\t\t\t\tabs(length(q)-r) ) - t;\n}\n\nfloat sdBox( vec3 p, vec3 b )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0);\n}\nfloat sdRoundBox( vec3 p, vec3 b, float r )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0) - r;\n}\n\n\nfloat sdBoxFrame( vec3 p, vec3 b, float e )\n{\n\t\tp = abs(p  )-b*0.5;\n\tvec3 q = abs(p+e)-e;\n\treturn min(min(\n\t\tlength(max(vec3(p.x,q.y,q.z),0.0))+min(max(p.x,max(q.y,q.z)),0.0),\n\t\tlength(max(vec3(q.x,p.y,q.z),0.0))+min(max(q.x,max(p.y,q.z)),0.0)),\n\t\tlength(max(vec3(q.x,q.y,p.z),0.0))+min(max(q.x,max(q.y,p.z)),0.0));\n}\nfloat sdCapsule( vec3 p, vec3 a, vec3 b, float r )\n{\n\tvec3 pa = p - a, ba = b - a;\n\tfloat h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 );\n\treturn length( pa - ba*h ) - r;\n}\nfloat sdVerticalCapsule( vec3 p, float h, float r )\n{\n\tp.y -= clamp( p.y, 0.0, h );\n\treturn length( p ) - r;\n}\nfloat sdCone( in vec3 p, in vec2 c, float h )\n{\n\t// c is the sin/cos of the angle, h is height\n\t// Alternatively pass q instead of (c,h),\n\t// which is the point at the base in 2D\n\tvec2 q = h*vec2(c.x/c.y,-1.0);\n\n\tvec2 w = vec2( length(p.xz), p.y );\n\tvec2 a = w - q*clamp( dot(w,q)/dot(q,q), 0.0, 1.0 );\n\tvec2 b = w - q*vec2( clamp( w.x/q.x, 0.0, 1.0 ), 1.0 );\n\tfloat k = sign( q.y );\n\tfloat d = min(dot( a, a ),dot(b, b));\n\tfloat s = max( k*(w.x*q.y-w.y*q.x),k*(w.y-q.y)  );\n\treturn sqrt(d)*sign(s);\n}\nfloat sdConeWrapped(vec3 pos, float angle, float height){\n\treturn sdCone(pos, vec2(sin(angle), cos(angle)), height);\n}\nfloat sdRoundCone( vec3 p, float r1, float r2, float h )\n{\n\tfloat b = (r1-r2)/h;\n\tfloat a = sqrt(1.0-b*b);\n\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat k = dot(q,vec2(-b,a));\n\tif( k<0.0 ) return length(q) - r1;\n\tif( k>a*h ) return length(q-vec2(0.0,h)) - r2;\n\treturn dot(q, vec2(a,b) ) - r1;\n}\nfloat sdOctogonPrism( in vec3 p, in float r, float h )\n{\n\tconst vec3 k = vec3(-0.9238795325,  // sqrt(2+sqrt(2))/2 \n\t\t\t\t\t\t0.3826834323,   // sqrt(2-sqrt(2))/2\n\t\t\t\t\t\t0.4142135623 ); // sqrt(2)-1 \n\t// reflections\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(vec2( k.x,k.y),p.xy),0.0)*vec2( k.x,k.y);\n\tp.xy -= 2.0*min(dot(vec2(-k.x,k.y),p.xy),0.0)*vec2(-k.x,k.y);\n\t// polygon side\n\tp.xy -= vec2(clamp(p.x, -k.z*r, k.z*r), r);\n\tvec2 d = vec2( length(p.xy)*sign(p.y), p.z-h );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHexPrism( vec3 p, vec2 h )\n{\n\tconst vec3 k = vec3(-0.8660254, 0.5, 0.57735);\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(k.xy, p.xy), 0.0)*k.xy;\n\tvec2 d = vec2(\n\t\tlength(p.xy-vec2(clamp(p.x,-k.z*h.x,k.z*h.x), h.x))*sign(p.y-h.x),\n\t\tp.z-h.y );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHorseshoe( in vec3 p, in float angle, in float r, in float le, vec2 w )\n{\n\tvec2 c = vec2(cos(angle),sin(angle));\n\tp.x = abs(p.x);\n\tfloat l = length(p.xy);\n\tp.xy = mat2(-c.x, c.y, \n\t\t\tc.y, c.x)*p.xy;\n\tp.xy = vec2((p.y>0.0 || p.x>0.0)?p.x:l*sign(-c.x),\n\t\t\t\t(p.x>0.0)?p.y:l );\n\tp.xy = vec2(p.x,abs(p.y-r))-vec2(le,0.0);\n\t\n\tvec2 q = vec2(length(max(p.xy,0.0)) + min(0.0,max(p.x,p.y)),p.z);\n\tvec2 d = abs(q) - w;\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdTriPrism( vec3 p, vec2 h )\n{\n\tvec3 q = abs(p);\n\treturn max(q.z-h.y,max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5);\n}\nfloat sdPyramid( vec3 p, float h)\n{\n\tfloat m2 = h*h + 0.25;\n\n\tp.xz = abs(p.xz);\n\tp.xz = (p.z>p.x) ? p.zx : p.xz;\n\tp.xz -= 0.5;\n\n\tvec3 q = vec3( p.z, h*p.y - 0.5*p.x, h*p.x + 0.5*p.y);\n\n\tfloat s = max(-q.x,0.0);\n\tfloat t = clamp( (q.y-0.5*p.z)/(m2+0.25), 0.0, 1.0 );\n\n\tfloat a = m2*(q.x+s)*(q.x+s) + q.y*q.y;\n\tfloat b = m2*(q.x+0.5*t)*(q.x+0.5*t) + (q.y-m2*t)*(q.y-m2*t);\n\n\tfloat d2 = min(q.y,-q.x*m2-q.y*0.5) > 0.0 ? 0.0 : min(a,b);\n\n\treturn sqrt( (d2+q.z*q.z)/m2 ) * sign(max(q.z,-p.y));\n}\n\nfloat sdPlane( vec3 p, vec3 n, float h )\n{\n\t// n must be normalized\n\treturn dot(p,n) + h;\n}\n\nfloat sdTorus( vec3 p, vec2 t )\n{\n\tvec2 q = vec2(length(p.xz)-t.x,p.y);\n\treturn length(q)-t.y;\n}\nfloat sdCappedTorus(in vec3 p, in float an, in float ra, in float rb)\n{\n\tvec2 sc = vec2(sin(an),cos(an));\n\tp.x = abs(p.x);\n\tfloat k = (sc.y*p.x>sc.x*p.z) ? dot(p.xz,sc) : length(p.xz);\n\treturn sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;\n}\nfloat sdLink( vec3 p, float le, float r1, float r2 )\n{\n  vec3 q = vec3( p.x, max(abs(p.y)-le,0.0), p.z );\n  return length(vec2(length(q.xy)-r1,q.z)) - r2;\n}\n// c is the sin/cos of the desired cone angle\nfloat sdSolidAngle(vec3 pos, vec2 c, float radius)\n{\n\tvec2 p = vec2( length(pos.xz), pos.y );\n\tfloat l = length(p) - radius;\n\tfloat m = length(p - c*clamp(dot(p,c),0.0,radius) );\n\treturn max(l,m*sign(c.y*p.x-c.x*p.y));\n}\nfloat sdSolidAngleWrapped(vec3 pos, float angle, float radius){\n\treturn sdSolidAngle(pos, vec2(sin(angle), cos(angle)), radius);\n}\nfloat sdTube( vec3 p, float r )\n{\n\treturn length(p.xz)-r;\n}\nfloat sdTubeCapped( vec3 p, float h, float r )\n{\n\tvec2 d = abs(vec2(length(p.xz),p.y)) - vec2(r,h);\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdOctahedron( vec3 p, float s)\n{\n  p = abs(p);\n  float m = p.x+p.y+p.z-s;\n  vec3 q;\n       if( 3.0*p.x < m ) q = p.xyz;\n  else if( 3.0*p.y < m ) q = p.yzx;\n  else if( 3.0*p.z < m ) q = p.zxy;\n  else return m*0.57735027;\n    \n  float k = clamp(0.5*(q.z-q.y+s),0.0,s); \n  return length(vec3(q.x,q.y-s+k,q.z-k)); \n}\nfloat udTriangle( vec3 p, vec3 a, vec3 b, vec3 c, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 ac = a - c; vec3 pc = p - c;\n\tvec3 nor = cross( ba, ac );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(ac,nor),pc))<2.0)\n\t\t?\n\t\tmin( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(ac*clamp(dot(ac,pc)/dot2(ac),0.0,1.0)-pc) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\nfloat udQuad( vec3 p, vec3 a, vec3 b, vec3 c, vec3 d, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 dc = d - c; vec3 pc = p - c;\n\tvec3 ad = a - d; vec3 pd = p - d;\n\tvec3 nor = cross( ba, ad );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(dc,nor),pc)) +\n\t\tsign(dot(cross(ad,nor),pd))<3.0)\n\t\t?\n\t\tmin( min( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(dc*clamp(dot(dc,pc)/dot2(dc),0.0,1.0)-pc) ),\n\t\tdot2(ad*clamp(dot(ad,pd)/dot2(ad),0.0,1.0)-pd) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\n\n/*\n*\n* SDF OPERATIONS\n*\n*/\nfloat SDFUnion( float d1, float d2 ) { return min(d1,d2); }\nfloat SDFSubtract( float d1, float d2 ) { return max(-d1,d2); }\nfloat SDFIntersect( float d1, float d2 ) { return max(d1,d2); }\n\nfloat SDFSmoothUnion( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) - k*h*(1.0-h);\n}\n\nfloat SDFSmoothSubtract( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );\n\treturn mix( d2, -d1, h ) + k*h*(1.0-h);\n}\n\nfloat SDFSmoothIntersect( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) + k*h*(1.0-h);\n}\n\nvec4 SDFElongateFast( in vec3 p, in vec3 h )\n{\n\treturn vec4( p-clamp(p,-h,h), 0.0 );\n}\nvec4 SDFElongateSlow( in vec3 p, in vec3 h )\n{\n\tvec3 q = abs(p)-h;\n\treturn vec4( max(q,0.0), min(max(q.x,max(q.y,q.z)),0.0) );\n}\n\nfloat SDFOnion( in float sdf, in float thickness )\n{\n\treturn abs(sdf)-thickness;\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\nfloat cycle(float val, float val_min, float val_max){\n\tif(val >= val_min && val < val_max){\n\t\treturn val;\n\t} else {\n\t\tfloat range = val_max - val_min;\n\t\tif(val >= val_max){\n\t\t\tfloat delta = (val - val_max);\n\t\t\treturn val_min + mod(delta, range);\n\t\t} else {\n\t\t\tfloat delta = (val_min - val);\n\t\t\treturn val_max - mod(delta, range);\n\t\t}\n\t}\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\nconst int _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1 = 1;\n\n\n// https://stackoverflow.com/questions/23793698/how-to-implement-slerp-in-glsl-hlsl\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t)\n// {\n// \tfloat dotp = dot(normalize(p0), normalize(p1));\n// \tif ((dotp > 0.9999) || (dotp < -0.9999))\n// \t{\n// \t\tif (t<=0.5)\n// \t\t\treturn p0;\n// \t\treturn p1;\n// \t}\n// \tfloat theta = acos(dotp);\n// \tvec4 P = ((p0*sin((1.0-t)*theta) + p1*sin(t*theta)) / sin(theta));\n// \tP.w = 1.0;\n// \treturn P;\n// }\n\n// https://devcry.heiho.net/html/2017/20170521-slerp.html\n// float lerp(float a, float b, float t) {\n// \treturn (1.0 - t) * a + t * b;\n// }\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t){\n// \tvec4 qb = p1;\n\n// \t// cos(a) = dot product\n// \tfloat cos_a = p0.x * qb.x + p0.y * qb.y + p0.z * qb.z + p0.w * qb.w;\n// \tif (cos_a < 0.0f) {\n// \t\tcos_a = -cos_a;\n// \t\tqb = -qb;\n// \t}\n\n// \t// close to zero, cos(a) ~= 1\n// \t// do linear interpolation\n// \tif (cos_a > 0.999) {\n// \t\treturn vec4(\n// \t\t\tlerp(p0.x, qb.x, t),\n// \t\t\tlerp(p0.y, qb.y, t),\n// \t\t\tlerp(p0.z, qb.z, t),\n// \t\t\tlerp(p0.w, qb.w, t)\n// \t\t);\n// \t}\n\n// \tfloat alpha = acos(cos_a);\n// \treturn (p0 * sin(1.0 - t) + p1 * sin(t * alpha)) / sin(alpha);\n// }\n\n// https://stackoverflow.com/questions/62943083/interpolate-between-two-quaternions-the-long-way\nvec4 quatSlerp(vec4 q1, vec4 q2, float t){\n\tfloat angle = acos(dot(q1, q2));\n\tfloat denom = sin(angle);\n\t//check if denom is zero\n\treturn (q1*sin((1.0-t)*angle)+q2*sin(t*angle))/denom;\n}\n// TO CHECK:\n// this page https://www.reddit.com/r/opengl/comments/704la7/glsl_quaternion_library/\n// has a link to a potentially nice pdf:\n// http://web.mit.edu/2.998/www/QuaternionReport1.pdf\n\n// https://github.com/mattatz/ShibuyaCrowd/blob/master/source/shaders/common/quaternion.glsl\nvec4 quatMult(vec4 q1, vec4 q2)\n{\n\treturn vec4(\n\tq1.w * q2.x + q1.x * q2.w + q1.z * q2.y - q1.y * q2.z,\n\tq1.w * q2.y + q1.y * q2.w + q1.x * q2.z - q1.z * q2.x,\n\tq1.w * q2.z + q1.z * q2.w + q1.y * q2.x - q1.x * q2.y,\n\tq1.w * q2.w - q1.x * q2.x - q1.y * q2.y - q1.z * q2.z\n\t);\n}\n// http://glmatrix.net/docs/quat.js.html#line97\n//   let ax = a[0], ay = a[1], az = a[2], aw = a[3];\n\n//   let bx = b[0], by = b[1], bz = b[2], bw = b[3];\n\n//   out[0] = ax * bw + aw * bx + ay * bz - az * by;\n\n//   out[1] = ay * bw + aw * by + az * bx - ax * bz;\n\n//   out[2] = az * bw + aw * bz + ax * by - ay * bx;\n\n//   out[3] = aw * bw - ax * bx - ay * by - az * bz;\n\n//   return out\n\n\n\n// http://www.neilmendoza.com/glsl-rotation-about-an-arbitrary-axis/\nmat4 rotationMatrix(vec3 axis, float angle)\n{\n\taxis = normalize(axis);\n\tfloat s = sin(angle);\n\tfloat c = cos(angle);\n\tfloat oc = 1.0 - c;\n\n \treturn mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s,  oc * axis.z * axis.x + axis.y * s, 0.0, oc * axis.x * axis.y + axis.z * s,  oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s,  0.0, oc * axis.z * axis.x - axis.y * s,  oc * axis.y * axis.z + axis.x * s,  oc * axis.z * axis.z + c, 0.0, 0.0, 0.0, 0.0, 1.0);\n}\n\n// https://www.geeks3d.com/20141201/how-to-rotate-a-vertex-by-a-quaternion-in-glsl/\nvec4 quatFromAxisAngle(vec3 axis, float angle)\n{\n\tvec4 qr;\n\tfloat half_angle = (angle * 0.5); // * 3.14159 / 180.0;\n\tfloat sin_half_angle = sin(half_angle);\n\tqr.x = axis.x * sin_half_angle;\n\tqr.y = axis.y * sin_half_angle;\n\tqr.z = axis.z * sin_half_angle;\n\tqr.w = cos(half_angle);\n\treturn qr;\n}\nvec3 rotateWithAxisAngle(vec3 position, vec3 axis, float angle)\n{\n\tvec4 q = quatFromAxisAngle(axis, angle);\n\tvec3 v = position.xyz;\n\treturn v + 2.0 * cross(q.xyz, cross(q.xyz, v) + q.w * v);\n}\n// vec3 applyQuaternionToVector( vec4 q, vec3 v ){\n// \treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n// }\nvec3 rotateWithQuat( vec3 v, vec4 q )\n{\n\t// vec4 qv = multQuat( quat, vec4(vec, 0.0) );\n\t// return multQuat( qv, vec4(-quat.x, -quat.y, -quat.z, quat.w) ).xyz;\n\treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n}\n// https://github.com/glslify/glsl-look-at/blob/gh-pages/index.glsl\n// mat3 rotation_matrix(vec3 origin, vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target - origin);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n// mat3 rotation_matrix(vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n\nfloat vectorAngle(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 c1 = cross(start, dest);\n\t// We use the dot product of the cross with the Y axis.\n\t// This is a little arbitrary, but can still give a good sense of direction\n\tvec3 y_axis = vec3(0.0, 1.0, 0.0);\n\tfloat d1 = dot(c1, y_axis);\n\tfloat angle = acos(cosTheta) * sign(d1);\n\treturn angle;\n}\n\n// http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-17-quaternions/#i-need-an-equivalent-of-glulookat-how-do-i-orient-an-object-towards-a-point-\nvec4 vectorAlign(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 axis;\n\n\t// if (cosTheta < -1 + 0.001f){\n\t// \t// special case when vectors in opposite directions:\n\t// \t// there is no ideal rotation axis\n\t// \t// So guess one; any will do as long as it's perpendicular to start\n\t// \taxis = cross(vec3(0.0f, 0.0f, 1.0f), start);\n\t// \tif (length2(axis) < 0.01 ) // bad luck, they were parallel, try again!\n\t// \t\taxis = cross(vec3(1.0f, 0.0f, 0.0f), start);\n\n\t// \taxis = normalize(axis);\n\t// \treturn gtx::quaternion::angleAxis(glm::radians(180.0f), axis);\n\t// }\n\tif(cosTheta > (1.0 - 0.0001) || cosTheta < (-1.0 + 0.0001) ){\n\t\taxis = normalize(cross(start, vec3(0.0, 1.0, 0.0)));\n\t\tif (length(axis) < 0.001 ){ // bad luck, they were parallel, try again!\n\t\t\taxis = normalize(cross(start, vec3(1.0, 0.0, 0.0)));\n\t\t}\n\t} else {\n\t\taxis = normalize(cross(start, dest));\n\t}\n\n\tfloat angle = acos(cosTheta);\n\n\treturn quatFromAxisAngle(axis, angle);\n}\nvec4 vectorAlignWithUp(vec3 start, vec3 dest, vec3 up){\n\tvec4 rot1 = vectorAlign(start, dest);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\t// vec3 right = normalize(cross(dest, up));\n\t// up = normalize(cross(right, dest));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(vec3(0.0, 1.0, 0.0), rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(up, newUp);\n\n\t// return rot1;\n\treturn rot2;\n\t// return multQuat(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\n// https://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\nfloat quatToAngle(vec4 q){\n\treturn 2.0 * acos(q.w);\n}\nvec3 quatToAxis(vec4 q){\n\treturn vec3(\n\t\tq.x / sqrt(1.0-q.w*q.w),\n\t\tq.y / sqrt(1.0-q.w*q.w),\n\t\tq.z / sqrt(1.0-q.w*q.w)\n\t);\n}\n\nvec4 align(vec3 dir, vec3 up){\n\tvec3 start_dir = vec3(0.0, 0.0, 1.0);\n\tvec3 start_up = vec3(0.0, 1.0, 0.0);\n\tvec4 rot1 = vectorAlign(start_dir, dir);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\tvec3 right = normalize(cross(dir, up));\n\tif(length(right)<0.001){\n\t\tright = vec3(1.0, 0.0, 0.0);\n\t}\n\tup = normalize(cross(right, dir));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(start_up, rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(normalize(newUp), up);\n\n\t// return rot1;\n\treturn quatMult(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\nstruct EnvMapProps {\n\tvec3 tint;\n\tfloat intensity;\n\tfloat roughness;\n\tfloat fresnel;\n\tfloat fresnelPower;\n};\nuniform sampler2D envMap;\nuniform float envMapIntensity;\nuniform float roughness;\n#ifdef ROTATE_ENV_MAP_Y\n\tuniform float envMapRotationY;\n#endif\nvec3 envMapSample(vec3 rayDir, float envMapRoughness){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = vec3(0.);\n\t// vec2 uv = vec2( atan( -rayDir.z, -rayDir.x ) * RECIPROCAL_PI2 + 0.5, rayDir.y * 0.5 + 0.5 );\n\t// vec3 env = texture2D(map, uv).rgb;\n\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t#ifdef ROTATE_ENV_MAP_Y\n\t\t\trayDir = rotateWithAxisAngle(rayDir, vec3(0.,1.,0.), envMapRotationY);\n\t\t#endif\n\t\tenv = textureCubeUV(envMap, rayDir, envMapRoughness * roughness).rgb;\n\t#endif\n\treturn env;\n}\nvec3 envMapSampleWithFresnel(vec3 rayDir, EnvMapProps envMapProps, vec3 n, vec3 cameraPosition){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = envMapSample(rayDir, envMapProps.roughness);\n\tfloat fresnel = pow(1.-dot(normalize(cameraPosition), n), envMapProps.fresnelPower);\n\tfloat fresnelFactor = (1.-envMapProps.fresnel) + envMapProps.fresnel*fresnel;\n\treturn env * envMapIntensity * envMapProps.tint * envMapProps.intensity * fresnelFactor;\n}\n#define RAYMARCHED_REFRACTIONS 1\n#define RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST 1\n#define RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM 1\n\n\n\n\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nprecision highp sampler3D;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\nuniform vec3 v_POLY_param_textureSDF1BoundMin;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\nuniform vec3 v_POLY_param_textureSDF1BoundMax;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\nuniform float time;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nuniform sampler3D v_POLY_textureSDF_textureSDF1;\n\n\n\n\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\n\tvec3 v_POLY_textureSDF1BoundMin_val = v_POLY_param_textureSDF1BoundMin;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\n\tvec3 v_POLY_textureSDF1BoundMax_val = v_POLY_param_textureSDF1BoundMax;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\n\tvec3 v_POLY_globals1_position = p;\n\tfloat v_POLY_globals1_time = time;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\n\tvec3 v_POLY_textureSDF1_boundCenter = (v_POLY_textureSDF1BoundMax_val + v_POLY_textureSDF1BoundMin_val)*0.5;\n\tvec3 v_POLY_textureSDF1_boundSize = (v_POLY_textureSDF1BoundMax_val - v_POLY_textureSDF1BoundMin_val);\n\tvec3 v_POLY_textureSDF1_positionNormalised = ((p - v_POLY_textureSDF1BoundMin_val) / v_POLY_textureSDF1_boundSize);\n\tfloat v_POLY_textureSDF1_sdBox = sdBox(p-v_POLY_textureSDF1_boundCenter, v_POLY_textureSDF1_boundSize*vec3(1.0, 1.0, 1.0));\n\tfloat v_POLY_textureSDF1_d = v_POLY_textureSDF1_sdBox < 0.01 ? texture(v_POLY_textureSDF_textureSDF1, v_POLY_textureSDF1_positionNormalised - vec3(0.0, 0.0, 0.0)).r : v_POLY_textureSDF1_sdBox;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\n\tfloat v_POLY_cycle1_val = cycle(v_POLY_globals1_time, 0.0, 12.5);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/vec3ToFloat1\n\tfloat v_POLY_vec3ToFloat1_x = v_POLY_globals1_position.x;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd4\n\tfloat v_POLY_multAdd4_val = (0.2*(v_POLY_cycle1_val + 0.0)) + 0.22;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd2\n\tfloat v_POLY_multAdd2_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -1.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd5\n\tfloat v_POLY_multAdd5_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -2.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null1\n\tfloat v_POLY_null1_val = v_POLY_multAdd2_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null2\n\tfloat v_POLY_null2_val = v_POLY_multAdd5_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd6\n\tfloat v_POLY_multAdd6_val = (1.0*(v_POLY_null1_val + 1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd7\n\tfloat v_POLY_multAdd7_val = (1.0*(v_POLY_null2_val + -1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep1\n\tfloat v_POLY_smoothstep1_val = smoothstep(v_POLY_null1_val, v_POLY_multAdd6_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep2\n\tfloat v_POLY_smoothstep2_val = smoothstep(v_POLY_null2_val, v_POLY_multAdd7_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/max1\n\tfloat v_POLY_max1_val = max(v_POLY_smoothstep1_val, v_POLY_smoothstep2_val);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd1\n\tfloat v_POLY_multAdd1_val = (0.31*(v_POLY_max1_val + 0.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd3\n\tfloat v_POLY_multAdd3_val = (1.0*(v_POLY_textureSDF1_d + v_POLY_multAdd1_val)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFContext1\n\tSDFContext v_POLY_SDFContext1_SDFContext = SDFContext(v_POLY_multAdd3_val, 0, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, 0.);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/output1\n\tsdfContext = v_POLY_SDFContext1_SDFContext;\n\n\n\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n\nvec3 applyMaterialWithoutRefraction(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\nvec3 applyMaterialWithoutReflection(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n#ifdef RAYMARCHED_REFLECTIONS\nvec3 GetReflection(vec3 p, vec3 n, vec3 rayDir, float biasMult, float roughness, int reflectionDepth, inout SDFContext sdfContextMain){\n\tbool hitReflection = true;\n\tvec3 reflectedColor = vec3(0.);\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < reflectionDepth; i++) {\n\t\tif(hitReflection){\n\t\t\trayDir = reflect(rayDir, n);\n\t\t\tp += n*SURF_DIST*biasMult;\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, 1.);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\tif( sdfContext.d >= MAX_DIST){\n\t\t\t\thitReflection = false;\n\t\t\t\treflectedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitReflection){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p);\n\t\t\t\tvec3 matCol = applyMaterialWithoutReflection(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\treflectedColor += matCol;\n\t\t\t}\n\t\t}\n\t}\n\t#pragma unroll_loop_end\n\treturn reflectedColor;\n}\n#endif\n\n#ifdef RAYMARCHED_REFRACTIONS\n// xyz for color, w for distanceInsideMedium\nvec4 GetRefractedData(vec3 p, vec3 n, vec3 rayDir, float ior, float biasMult, float roughness, float refractionMaxDist, int refractionDepth, inout SDFContext sdfContextMain){\n\tbool hitRefraction = true;\n\tbool changeSide = true;\n\t#ifdef RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM\n\tfloat side = -1.;\n\t#else\n\tfloat side =  1.;\n\t#endif\n\tfloat iorInverted = 1. / ior;\n\tvec3 refractedColor = vec3(0.);\n\tfloat distanceInsideMedium=0.;\n\tfloat totalRefractedDistance=0.;\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < refractionDepth; i++) {\n\t\tif(hitRefraction){\n\t\t\tfloat currentIor = side<0. ? iorInverted : ior;\n\t\t\tvec3 rayDirPreRefract = rayDir;\n\t\t\trayDir = refract(rayDir, n, currentIor);\n\t\t\tchangeSide = dot(rayDir, rayDir)!=0.;\n\t\t\tif(changeSide == true) {\n\t\t\t\tp -= n*SURF_DIST*(2.+biasMult);\n\t\t\t} else {\n\t\t\t\tp += n*SURF_DIST*(   biasMult);\n\t\t\t\trayDir = reflect(rayDirPreRefract, n);\n\t\t\t}\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, side);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\ttotalRefractedDistance += sdfContext.d;\n\t\t\tif( abs(sdfContext.d) >= MAX_DIST || totalRefractedDistance > refractionMaxDist ){\n\t\t\t\thitRefraction = false;\n\t\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitRefraction){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p) * side;\n\t\t\t\tvec3 matCol = applyMaterialWithoutRefraction(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\trefractedColor = matCol;\n\n\t\t\t\t// same as: side < 0. ? abs(sdfContext.d) : 0.;\n\t\t\t\tdistanceInsideMedium += (side-1.)*-0.5*abs(sdfContext.d);\n\t\t\t\tif( changeSide ){\n\t\t\t\t\tside *= -1.;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t#ifdef RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST\n\t\tif(i == refractionDepth-1){\n\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t}\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\treturn vec4(refractedColor, distanceInsideMedium);\n}\nfloat refractionTint(float baseValue, float tint, float distanceInsideMedium, float absorption){\n\tfloat tintNegated = baseValue-tint;\n\tfloat t = tintNegated*( distanceInsideMedium*absorption );\n\treturn max(baseValue-t, 0.);\n}\nfloat applyRefractionAbsorption(float refractedDataColor, float baseValue, float tint, float distanceInsideMedium, float absorption){\n\treturn refractedDataColor*refractionTint(baseValue, tint, distanceInsideMedium, absorption);\n}\nvec3 applyRefractionAbsorption(vec3 refractedDataColor, vec3 baseValue, vec3 tint, float distanceInsideMedium, float absorption){\n\treturn vec3(\n\t\trefractedDataColor.r * refractionTint(baseValue.r, tint.r, distanceInsideMedium, absorption),\n\t\trefractedDataColor.g * refractionTint(baseValue.g, tint.g, distanceInsideMedium, absorption),\n\t\trefractedDataColor.b * refractionTint(baseValue.b, tint.b, distanceInsideMedium, absorption)\n\t);\n}\n\n#endif\n\nvec3 applyMaterial(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(0.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t\tvec3 refractedColor = vec3(0.);\n\t\tfloat ior = 1.45;\n\t\tfloat biasMult = 2.0;\n\t\tvec3 baseValue = v_POLY_constant1_val;\n\t\tvec3 tint = vec3(0.7764705882352941, 0.5490196078431373, 0.06274509803921569);\n\t\tfloat absorption = 4.7;\n\t\t\t\n\t\n\t\tvec4 refractedData = GetRefractedData(p, n, rayDir, ior, biasMult, 1.0, 100.0, 3, sdfContext);\n\t\trefractedColor = applyRefractionAbsorption(refractedData.rgb, baseValue, tint, refractedData.w, absorption);\n\t\t\t\t;\n\t\n\t\tcol += refractedColor * 2.0;\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}","customDistanceMaterial.vertex":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","customDistanceMaterial.fragment":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nfloat dot2( in vec2 v ) { return dot(v,v); }\nfloat dot2( in vec3 v ) { return dot(v,v); }\nfloat ndot( in vec2 a, in vec2 b ) { return a.x*b.x - a.y*b.y; }\n// https://iquilezles.org/articles/distfunctions/\n\n\n/*\n*\n* SDF PRIMITIVES\n*\n*/\nfloat sdSphere( vec3 p, float s )\n{\n\treturn length(p)-s;\n}\nfloat sdCutSphere( vec3 p, float r, float h )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat s = max( (h-r)*q.x*q.x+w*w*(h+r-2.0*q.y), h*q.x-w*q.y );\n\treturn (s<0.0) ? length(q)-r :\n\t\t\t\t(q.x<w) ? h - q.y :\n\t\t\t\t\tlength(q-vec2(w,h));\n}\nfloat sdCutHollowSphere( vec3 p, float r, float h, float t )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\t\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\treturn ((h*q.x<w*q.y) ? length(q-vec2(w,h)) : \n\t\t\t\t\t\t\tabs(length(q)-r) ) - t;\n}\n\nfloat sdBox( vec3 p, vec3 b )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0);\n}\nfloat sdRoundBox( vec3 p, vec3 b, float r )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0) - r;\n}\n\n\nfloat sdBoxFrame( vec3 p, vec3 b, float e )\n{\n\t\tp = abs(p  )-b*0.5;\n\tvec3 q = abs(p+e)-e;\n\treturn min(min(\n\t\tlength(max(vec3(p.x,q.y,q.z),0.0))+min(max(p.x,max(q.y,q.z)),0.0),\n\t\tlength(max(vec3(q.x,p.y,q.z),0.0))+min(max(q.x,max(p.y,q.z)),0.0)),\n\t\tlength(max(vec3(q.x,q.y,p.z),0.0))+min(max(q.x,max(q.y,p.z)),0.0));\n}\nfloat sdCapsule( vec3 p, vec3 a, vec3 b, float r )\n{\n\tvec3 pa = p - a, ba = b - a;\n\tfloat h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 );\n\treturn length( pa - ba*h ) - r;\n}\nfloat sdVerticalCapsule( vec3 p, float h, float r )\n{\n\tp.y -= clamp( p.y, 0.0, h );\n\treturn length( p ) - r;\n}\nfloat sdCone( in vec3 p, in vec2 c, float h )\n{\n\t// c is the sin/cos of the angle, h is height\n\t// Alternatively pass q instead of (c,h),\n\t// which is the point at the base in 2D\n\tvec2 q = h*vec2(c.x/c.y,-1.0);\n\n\tvec2 w = vec2( length(p.xz), p.y );\n\tvec2 a = w - q*clamp( dot(w,q)/dot(q,q), 0.0, 1.0 );\n\tvec2 b = w - q*vec2( clamp( w.x/q.x, 0.0, 1.0 ), 1.0 );\n\tfloat k = sign( q.y );\n\tfloat d = min(dot( a, a ),dot(b, b));\n\tfloat s = max( k*(w.x*q.y-w.y*q.x),k*(w.y-q.y)  );\n\treturn sqrt(d)*sign(s);\n}\nfloat sdConeWrapped(vec3 pos, float angle, float height){\n\treturn sdCone(pos, vec2(sin(angle), cos(angle)), height);\n}\nfloat sdRoundCone( vec3 p, float r1, float r2, float h )\n{\n\tfloat b = (r1-r2)/h;\n\tfloat a = sqrt(1.0-b*b);\n\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat k = dot(q,vec2(-b,a));\n\tif( k<0.0 ) return length(q) - r1;\n\tif( k>a*h ) return length(q-vec2(0.0,h)) - r2;\n\treturn dot(q, vec2(a,b) ) - r1;\n}\nfloat sdOctogonPrism( in vec3 p, in float r, float h )\n{\n\tconst vec3 k = vec3(-0.9238795325,  // sqrt(2+sqrt(2))/2 \n\t\t\t\t\t\t0.3826834323,   // sqrt(2-sqrt(2))/2\n\t\t\t\t\t\t0.4142135623 ); // sqrt(2)-1 \n\t// reflections\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(vec2( k.x,k.y),p.xy),0.0)*vec2( k.x,k.y);\n\tp.xy -= 2.0*min(dot(vec2(-k.x,k.y),p.xy),0.0)*vec2(-k.x,k.y);\n\t// polygon side\n\tp.xy -= vec2(clamp(p.x, -k.z*r, k.z*r), r);\n\tvec2 d = vec2( length(p.xy)*sign(p.y), p.z-h );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHexPrism( vec3 p, vec2 h )\n{\n\tconst vec3 k = vec3(-0.8660254, 0.5, 0.57735);\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(k.xy, p.xy), 0.0)*k.xy;\n\tvec2 d = vec2(\n\t\tlength(p.xy-vec2(clamp(p.x,-k.z*h.x,k.z*h.x), h.x))*sign(p.y-h.x),\n\t\tp.z-h.y );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHorseshoe( in vec3 p, in float angle, in float r, in float le, vec2 w )\n{\n\tvec2 c = vec2(cos(angle),sin(angle));\n\tp.x = abs(p.x);\n\tfloat l = length(p.xy);\n\tp.xy = mat2(-c.x, c.y, \n\t\t\tc.y, c.x)*p.xy;\n\tp.xy = vec2((p.y>0.0 || p.x>0.0)?p.x:l*sign(-c.x),\n\t\t\t\t(p.x>0.0)?p.y:l );\n\tp.xy = vec2(p.x,abs(p.y-r))-vec2(le,0.0);\n\t\n\tvec2 q = vec2(length(max(p.xy,0.0)) + min(0.0,max(p.x,p.y)),p.z);\n\tvec2 d = abs(q) - w;\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdTriPrism( vec3 p, vec2 h )\n{\n\tvec3 q = abs(p);\n\treturn max(q.z-h.y,max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5);\n}\nfloat sdPyramid( vec3 p, float h)\n{\n\tfloat m2 = h*h + 0.25;\n\n\tp.xz = abs(p.xz);\n\tp.xz = (p.z>p.x) ? p.zx : p.xz;\n\tp.xz -= 0.5;\n\n\tvec3 q = vec3( p.z, h*p.y - 0.5*p.x, h*p.x + 0.5*p.y);\n\n\tfloat s = max(-q.x,0.0);\n\tfloat t = clamp( (q.y-0.5*p.z)/(m2+0.25), 0.0, 1.0 );\n\n\tfloat a = m2*(q.x+s)*(q.x+s) + q.y*q.y;\n\tfloat b = m2*(q.x+0.5*t)*(q.x+0.5*t) + (q.y-m2*t)*(q.y-m2*t);\n\n\tfloat d2 = min(q.y,-q.x*m2-q.y*0.5) > 0.0 ? 0.0 : min(a,b);\n\n\treturn sqrt( (d2+q.z*q.z)/m2 ) * sign(max(q.z,-p.y));\n}\n\nfloat sdPlane( vec3 p, vec3 n, float h )\n{\n\t// n must be normalized\n\treturn dot(p,n) + h;\n}\n\nfloat sdTorus( vec3 p, vec2 t )\n{\n\tvec2 q = vec2(length(p.xz)-t.x,p.y);\n\treturn length(q)-t.y;\n}\nfloat sdCappedTorus(in vec3 p, in float an, in float ra, in float rb)\n{\n\tvec2 sc = vec2(sin(an),cos(an));\n\tp.x = abs(p.x);\n\tfloat k = (sc.y*p.x>sc.x*p.z) ? dot(p.xz,sc) : length(p.xz);\n\treturn sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;\n}\nfloat sdLink( vec3 p, float le, float r1, float r2 )\n{\n  vec3 q = vec3( p.x, max(abs(p.y)-le,0.0), p.z );\n  return length(vec2(length(q.xy)-r1,q.z)) - r2;\n}\n// c is the sin/cos of the desired cone angle\nfloat sdSolidAngle(vec3 pos, vec2 c, float radius)\n{\n\tvec2 p = vec2( length(pos.xz), pos.y );\n\tfloat l = length(p) - radius;\n\tfloat m = length(p - c*clamp(dot(p,c),0.0,radius) );\n\treturn max(l,m*sign(c.y*p.x-c.x*p.y));\n}\nfloat sdSolidAngleWrapped(vec3 pos, float angle, float radius){\n\treturn sdSolidAngle(pos, vec2(sin(angle), cos(angle)), radius);\n}\nfloat sdTube( vec3 p, float r )\n{\n\treturn length(p.xz)-r;\n}\nfloat sdTubeCapped( vec3 p, float h, float r )\n{\n\tvec2 d = abs(vec2(length(p.xz),p.y)) - vec2(r,h);\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdOctahedron( vec3 p, float s)\n{\n  p = abs(p);\n  float m = p.x+p.y+p.z-s;\n  vec3 q;\n       if( 3.0*p.x < m ) q = p.xyz;\n  else if( 3.0*p.y < m ) q = p.yzx;\n  else if( 3.0*p.z < m ) q = p.zxy;\n  else return m*0.57735027;\n    \n  float k = clamp(0.5*(q.z-q.y+s),0.0,s); \n  return length(vec3(q.x,q.y-s+k,q.z-k)); \n}\nfloat udTriangle( vec3 p, vec3 a, vec3 b, vec3 c, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 ac = a - c; vec3 pc = p - c;\n\tvec3 nor = cross( ba, ac );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(ac,nor),pc))<2.0)\n\t\t?\n\t\tmin( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(ac*clamp(dot(ac,pc)/dot2(ac),0.0,1.0)-pc) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\nfloat udQuad( vec3 p, vec3 a, vec3 b, vec3 c, vec3 d, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 dc = d - c; vec3 pc = p - c;\n\tvec3 ad = a - d; vec3 pd = p - d;\n\tvec3 nor = cross( ba, ad );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(dc,nor),pc)) +\n\t\tsign(dot(cross(ad,nor),pd))<3.0)\n\t\t?\n\t\tmin( min( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(dc*clamp(dot(dc,pc)/dot2(dc),0.0,1.0)-pc) ),\n\t\tdot2(ad*clamp(dot(ad,pd)/dot2(ad),0.0,1.0)-pd) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\n\n/*\n*\n* SDF OPERATIONS\n*\n*/\nfloat SDFUnion( float d1, float d2 ) { return min(d1,d2); }\nfloat SDFSubtract( float d1, float d2 ) { return max(-d1,d2); }\nfloat SDFIntersect( float d1, float d2 ) { return max(d1,d2); }\n\nfloat SDFSmoothUnion( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) - k*h*(1.0-h);\n}\n\nfloat SDFSmoothSubtract( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );\n\treturn mix( d2, -d1, h ) + k*h*(1.0-h);\n}\n\nfloat SDFSmoothIntersect( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) + k*h*(1.0-h);\n}\n\nvec4 SDFElongateFast( in vec3 p, in vec3 h )\n{\n\treturn vec4( p-clamp(p,-h,h), 0.0 );\n}\nvec4 SDFElongateSlow( in vec3 p, in vec3 h )\n{\n\tvec3 q = abs(p)-h;\n\treturn vec4( max(q,0.0), min(max(q.x,max(q.y,q.z)),0.0) );\n}\n\nfloat SDFOnion( in float sdf, in float thickness )\n{\n\treturn abs(sdf)-thickness;\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\nfloat cycle(float val, float val_min, float val_max){\n\tif(val >= val_min && val < val_max){\n\t\treturn val;\n\t} else {\n\t\tfloat range = val_max - val_min;\n\t\tif(val >= val_max){\n\t\t\tfloat delta = (val - val_max);\n\t\t\treturn val_min + mod(delta, range);\n\t\t} else {\n\t\t\tfloat delta = (val_min - val);\n\t\t\treturn val_max - mod(delta, range);\n\t\t}\n\t}\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\nconst int _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1 = 1;\n\n\n// https://stackoverflow.com/questions/23793698/how-to-implement-slerp-in-glsl-hlsl\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t)\n// {\n// \tfloat dotp = dot(normalize(p0), normalize(p1));\n// \tif ((dotp > 0.9999) || (dotp < -0.9999))\n// \t{\n// \t\tif (t<=0.5)\n// \t\t\treturn p0;\n// \t\treturn p1;\n// \t}\n// \tfloat theta = acos(dotp);\n// \tvec4 P = ((p0*sin((1.0-t)*theta) + p1*sin(t*theta)) / sin(theta));\n// \tP.w = 1.0;\n// \treturn P;\n// }\n\n// https://devcry.heiho.net/html/2017/20170521-slerp.html\n// float lerp(float a, float b, float t) {\n// \treturn (1.0 - t) * a + t * b;\n// }\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t){\n// \tvec4 qb = p1;\n\n// \t// cos(a) = dot product\n// \tfloat cos_a = p0.x * qb.x + p0.y * qb.y + p0.z * qb.z + p0.w * qb.w;\n// \tif (cos_a < 0.0f) {\n// \t\tcos_a = -cos_a;\n// \t\tqb = -qb;\n// \t}\n\n// \t// close to zero, cos(a) ~= 1\n// \t// do linear interpolation\n// \tif (cos_a > 0.999) {\n// \t\treturn vec4(\n// \t\t\tlerp(p0.x, qb.x, t),\n// \t\t\tlerp(p0.y, qb.y, t),\n// \t\t\tlerp(p0.z, qb.z, t),\n// \t\t\tlerp(p0.w, qb.w, t)\n// \t\t);\n// \t}\n\n// \tfloat alpha = acos(cos_a);\n// \treturn (p0 * sin(1.0 - t) + p1 * sin(t * alpha)) / sin(alpha);\n// }\n\n// https://stackoverflow.com/questions/62943083/interpolate-between-two-quaternions-the-long-way\nvec4 quatSlerp(vec4 q1, vec4 q2, float t){\n\tfloat angle = acos(dot(q1, q2));\n\tfloat denom = sin(angle);\n\t//check if denom is zero\n\treturn (q1*sin((1.0-t)*angle)+q2*sin(t*angle))/denom;\n}\n// TO CHECK:\n// this page https://www.reddit.com/r/opengl/comments/704la7/glsl_quaternion_library/\n// has a link to a potentially nice pdf:\n// http://web.mit.edu/2.998/www/QuaternionReport1.pdf\n\n// https://github.com/mattatz/ShibuyaCrowd/blob/master/source/shaders/common/quaternion.glsl\nvec4 quatMult(vec4 q1, vec4 q2)\n{\n\treturn vec4(\n\tq1.w * q2.x + q1.x * q2.w + q1.z * q2.y - q1.y * q2.z,\n\tq1.w * q2.y + q1.y * q2.w + q1.x * q2.z - q1.z * q2.x,\n\tq1.w * q2.z + q1.z * q2.w + q1.y * q2.x - q1.x * q2.y,\n\tq1.w * q2.w - q1.x * q2.x - q1.y * q2.y - q1.z * q2.z\n\t);\n}\n// http://glmatrix.net/docs/quat.js.html#line97\n//   let ax = a[0], ay = a[1], az = a[2], aw = a[3];\n\n//   let bx = b[0], by = b[1], bz = b[2], bw = b[3];\n\n//   out[0] = ax * bw + aw * bx + ay * bz - az * by;\n\n//   out[1] = ay * bw + aw * by + az * bx - ax * bz;\n\n//   out[2] = az * bw + aw * bz + ax * by - ay * bx;\n\n//   out[3] = aw * bw - ax * bx - ay * by - az * bz;\n\n//   return out\n\n\n\n// http://www.neilmendoza.com/glsl-rotation-about-an-arbitrary-axis/\nmat4 rotationMatrix(vec3 axis, float angle)\n{\n\taxis = normalize(axis);\n\tfloat s = sin(angle);\n\tfloat c = cos(angle);\n\tfloat oc = 1.0 - c;\n\n \treturn mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s,  oc * axis.z * axis.x + axis.y * s, 0.0, oc * axis.x * axis.y + axis.z * s,  oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s,  0.0, oc * axis.z * axis.x - axis.y * s,  oc * axis.y * axis.z + axis.x * s,  oc * axis.z * axis.z + c, 0.0, 0.0, 0.0, 0.0, 1.0);\n}\n\n// https://www.geeks3d.com/20141201/how-to-rotate-a-vertex-by-a-quaternion-in-glsl/\nvec4 quatFromAxisAngle(vec3 axis, float angle)\n{\n\tvec4 qr;\n\tfloat half_angle = (angle * 0.5); // * 3.14159 / 180.0;\n\tfloat sin_half_angle = sin(half_angle);\n\tqr.x = axis.x * sin_half_angle;\n\tqr.y = axis.y * sin_half_angle;\n\tqr.z = axis.z * sin_half_angle;\n\tqr.w = cos(half_angle);\n\treturn qr;\n}\nvec3 rotateWithAxisAngle(vec3 position, vec3 axis, float angle)\n{\n\tvec4 q = quatFromAxisAngle(axis, angle);\n\tvec3 v = position.xyz;\n\treturn v + 2.0 * cross(q.xyz, cross(q.xyz, v) + q.w * v);\n}\n// vec3 applyQuaternionToVector( vec4 q, vec3 v ){\n// \treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n// }\nvec3 rotateWithQuat( vec3 v, vec4 q )\n{\n\t// vec4 qv = multQuat( quat, vec4(vec, 0.0) );\n\t// return multQuat( qv, vec4(-quat.x, -quat.y, -quat.z, quat.w) ).xyz;\n\treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n}\n// https://github.com/glslify/glsl-look-at/blob/gh-pages/index.glsl\n// mat3 rotation_matrix(vec3 origin, vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target - origin);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n// mat3 rotation_matrix(vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n\nfloat vectorAngle(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 c1 = cross(start, dest);\n\t// We use the dot product of the cross with the Y axis.\n\t// This is a little arbitrary, but can still give a good sense of direction\n\tvec3 y_axis = vec3(0.0, 1.0, 0.0);\n\tfloat d1 = dot(c1, y_axis);\n\tfloat angle = acos(cosTheta) * sign(d1);\n\treturn angle;\n}\n\n// http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-17-quaternions/#i-need-an-equivalent-of-glulookat-how-do-i-orient-an-object-towards-a-point-\nvec4 vectorAlign(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 axis;\n\n\t// if (cosTheta < -1 + 0.001f){\n\t// \t// special case when vectors in opposite directions:\n\t// \t// there is no ideal rotation axis\n\t// \t// So guess one; any will do as long as it's perpendicular to start\n\t// \taxis = cross(vec3(0.0f, 0.0f, 1.0f), start);\n\t// \tif (length2(axis) < 0.01 ) // bad luck, they were parallel, try again!\n\t// \t\taxis = cross(vec3(1.0f, 0.0f, 0.0f), start);\n\n\t// \taxis = normalize(axis);\n\t// \treturn gtx::quaternion::angleAxis(glm::radians(180.0f), axis);\n\t// }\n\tif(cosTheta > (1.0 - 0.0001) || cosTheta < (-1.0 + 0.0001) ){\n\t\taxis = normalize(cross(start, vec3(0.0, 1.0, 0.0)));\n\t\tif (length(axis) < 0.001 ){ // bad luck, they were parallel, try again!\n\t\t\taxis = normalize(cross(start, vec3(1.0, 0.0, 0.0)));\n\t\t}\n\t} else {\n\t\taxis = normalize(cross(start, dest));\n\t}\n\n\tfloat angle = acos(cosTheta);\n\n\treturn quatFromAxisAngle(axis, angle);\n}\nvec4 vectorAlignWithUp(vec3 start, vec3 dest, vec3 up){\n\tvec4 rot1 = vectorAlign(start, dest);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\t// vec3 right = normalize(cross(dest, up));\n\t// up = normalize(cross(right, dest));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(vec3(0.0, 1.0, 0.0), rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(up, newUp);\n\n\t// return rot1;\n\treturn rot2;\n\t// return multQuat(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\n// https://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\nfloat quatToAngle(vec4 q){\n\treturn 2.0 * acos(q.w);\n}\nvec3 quatToAxis(vec4 q){\n\treturn vec3(\n\t\tq.x / sqrt(1.0-q.w*q.w),\n\t\tq.y / sqrt(1.0-q.w*q.w),\n\t\tq.z / sqrt(1.0-q.w*q.w)\n\t);\n}\n\nvec4 align(vec3 dir, vec3 up){\n\tvec3 start_dir = vec3(0.0, 0.0, 1.0);\n\tvec3 start_up = vec3(0.0, 1.0, 0.0);\n\tvec4 rot1 = vectorAlign(start_dir, dir);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\tvec3 right = normalize(cross(dir, up));\n\tif(length(right)<0.001){\n\t\tright = vec3(1.0, 0.0, 0.0);\n\t}\n\tup = normalize(cross(right, dir));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(start_up, rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(normalize(newUp), up);\n\n\t// return rot1;\n\treturn quatMult(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\nstruct EnvMapProps {\n\tvec3 tint;\n\tfloat intensity;\n\tfloat roughness;\n\tfloat fresnel;\n\tfloat fresnelPower;\n};\nuniform sampler2D envMap;\nuniform float envMapIntensity;\nuniform float roughness;\n#ifdef ROTATE_ENV_MAP_Y\n\tuniform float envMapRotationY;\n#endif\nvec3 envMapSample(vec3 rayDir, float envMapRoughness){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = vec3(0.);\n\t// vec2 uv = vec2( atan( -rayDir.z, -rayDir.x ) * RECIPROCAL_PI2 + 0.5, rayDir.y * 0.5 + 0.5 );\n\t// vec3 env = texture2D(map, uv).rgb;\n\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t#ifdef ROTATE_ENV_MAP_Y\n\t\t\trayDir = rotateWithAxisAngle(rayDir, vec3(0.,1.,0.), envMapRotationY);\n\t\t#endif\n\t\tenv = textureCubeUV(envMap, rayDir, envMapRoughness * roughness).rgb;\n\t#endif\n\treturn env;\n}\nvec3 envMapSampleWithFresnel(vec3 rayDir, EnvMapProps envMapProps, vec3 n, vec3 cameraPosition){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = envMapSample(rayDir, envMapProps.roughness);\n\tfloat fresnel = pow(1.-dot(normalize(cameraPosition), n), envMapProps.fresnelPower);\n\tfloat fresnelFactor = (1.-envMapProps.fresnel) + envMapProps.fresnel*fresnel;\n\treturn env * envMapIntensity * envMapProps.tint * envMapProps.intensity * fresnelFactor;\n}\n#define RAYMARCHED_REFRACTIONS 1\n#define RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST 1\n#define RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM 1\n\n\n\n\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nprecision highp sampler3D;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\nuniform vec3 v_POLY_param_textureSDF1BoundMin;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\nuniform vec3 v_POLY_param_textureSDF1BoundMax;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\nuniform float time;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nuniform sampler3D v_POLY_textureSDF_textureSDF1;\n\n\n\n\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\n\tvec3 v_POLY_textureSDF1BoundMin_val = v_POLY_param_textureSDF1BoundMin;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\n\tvec3 v_POLY_textureSDF1BoundMax_val = v_POLY_param_textureSDF1BoundMax;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\n\tvec3 v_POLY_globals1_position = p;\n\tfloat v_POLY_globals1_time = time;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\n\tvec3 v_POLY_textureSDF1_boundCenter = (v_POLY_textureSDF1BoundMax_val + v_POLY_textureSDF1BoundMin_val)*0.5;\n\tvec3 v_POLY_textureSDF1_boundSize = (v_POLY_textureSDF1BoundMax_val - v_POLY_textureSDF1BoundMin_val);\n\tvec3 v_POLY_textureSDF1_positionNormalised = ((p - v_POLY_textureSDF1BoundMin_val) / v_POLY_textureSDF1_boundSize);\n\tfloat v_POLY_textureSDF1_sdBox = sdBox(p-v_POLY_textureSDF1_boundCenter, v_POLY_textureSDF1_boundSize*vec3(1.0, 1.0, 1.0));\n\tfloat v_POLY_textureSDF1_d = v_POLY_textureSDF1_sdBox < 0.01 ? texture(v_POLY_textureSDF_textureSDF1, v_POLY_textureSDF1_positionNormalised - vec3(0.0, 0.0, 0.0)).r : v_POLY_textureSDF1_sdBox;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\n\tfloat v_POLY_cycle1_val = cycle(v_POLY_globals1_time, 0.0, 12.5);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/vec3ToFloat1\n\tfloat v_POLY_vec3ToFloat1_x = v_POLY_globals1_position.x;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd4\n\tfloat v_POLY_multAdd4_val = (0.2*(v_POLY_cycle1_val + 0.0)) + 0.22;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd2\n\tfloat v_POLY_multAdd2_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -1.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd5\n\tfloat v_POLY_multAdd5_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -2.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null1\n\tfloat v_POLY_null1_val = v_POLY_multAdd2_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null2\n\tfloat v_POLY_null2_val = v_POLY_multAdd5_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd6\n\tfloat v_POLY_multAdd6_val = (1.0*(v_POLY_null1_val + 1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd7\n\tfloat v_POLY_multAdd7_val = (1.0*(v_POLY_null2_val + -1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep1\n\tfloat v_POLY_smoothstep1_val = smoothstep(v_POLY_null1_val, v_POLY_multAdd6_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep2\n\tfloat v_POLY_smoothstep2_val = smoothstep(v_POLY_null2_val, v_POLY_multAdd7_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/max1\n\tfloat v_POLY_max1_val = max(v_POLY_smoothstep1_val, v_POLY_smoothstep2_val);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd1\n\tfloat v_POLY_multAdd1_val = (0.31*(v_POLY_max1_val + 0.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd3\n\tfloat v_POLY_multAdd3_val = (1.0*(v_POLY_textureSDF1_d + v_POLY_multAdd1_val)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFContext1\n\tSDFContext v_POLY_SDFContext1_SDFContext = SDFContext(v_POLY_multAdd3_val, 0, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, 0.);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/output1\n\tsdfContext = v_POLY_SDFContext1_SDFContext;\n\n\n\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n\nvec3 applyMaterialWithoutRefraction(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\nvec3 applyMaterialWithoutReflection(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n#ifdef RAYMARCHED_REFLECTIONS\nvec3 GetReflection(vec3 p, vec3 n, vec3 rayDir, float biasMult, float roughness, int reflectionDepth, inout SDFContext sdfContextMain){\n\tbool hitReflection = true;\n\tvec3 reflectedColor = vec3(0.);\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < reflectionDepth; i++) {\n\t\tif(hitReflection){\n\t\t\trayDir = reflect(rayDir, n);\n\t\t\tp += n*SURF_DIST*biasMult;\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, 1.);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\tif( sdfContext.d >= MAX_DIST){\n\t\t\t\thitReflection = false;\n\t\t\t\treflectedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitReflection){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p);\n\t\t\t\tvec3 matCol = applyMaterialWithoutReflection(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\treflectedColor += matCol;\n\t\t\t}\n\t\t}\n\t}\n\t#pragma unroll_loop_end\n\treturn reflectedColor;\n}\n#endif\n\n#ifdef RAYMARCHED_REFRACTIONS\n// xyz for color, w for distanceInsideMedium\nvec4 GetRefractedData(vec3 p, vec3 n, vec3 rayDir, float ior, float biasMult, float roughness, float refractionMaxDist, int refractionDepth, inout SDFContext sdfContextMain){\n\tbool hitRefraction = true;\n\tbool changeSide = true;\n\t#ifdef RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM\n\tfloat side = -1.;\n\t#else\n\tfloat side =  1.;\n\t#endif\n\tfloat iorInverted = 1. / ior;\n\tvec3 refractedColor = vec3(0.);\n\tfloat distanceInsideMedium=0.;\n\tfloat totalRefractedDistance=0.;\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < refractionDepth; i++) {\n\t\tif(hitRefraction){\n\t\t\tfloat currentIor = side<0. ? iorInverted : ior;\n\t\t\tvec3 rayDirPreRefract = rayDir;\n\t\t\trayDir = refract(rayDir, n, currentIor);\n\t\t\tchangeSide = dot(rayDir, rayDir)!=0.;\n\t\t\tif(changeSide == true) {\n\t\t\t\tp -= n*SURF_DIST*(2.+biasMult);\n\t\t\t} else {\n\t\t\t\tp += n*SURF_DIST*(   biasMult);\n\t\t\t\trayDir = reflect(rayDirPreRefract, n);\n\t\t\t}\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, side);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\ttotalRefractedDistance += sdfContext.d;\n\t\t\tif( abs(sdfContext.d) >= MAX_DIST || totalRefractedDistance > refractionMaxDist ){\n\t\t\t\thitRefraction = false;\n\t\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitRefraction){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p) * side;\n\t\t\t\tvec3 matCol = applyMaterialWithoutRefraction(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\trefractedColor = matCol;\n\n\t\t\t\t// same as: side < 0. ? abs(sdfContext.d) : 0.;\n\t\t\t\tdistanceInsideMedium += (side-1.)*-0.5*abs(sdfContext.d);\n\t\t\t\tif( changeSide ){\n\t\t\t\t\tside *= -1.;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t#ifdef RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST\n\t\tif(i == refractionDepth-1){\n\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t}\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\treturn vec4(refractedColor, distanceInsideMedium);\n}\nfloat refractionTint(float baseValue, float tint, float distanceInsideMedium, float absorption){\n\tfloat tintNegated = baseValue-tint;\n\tfloat t = tintNegated*( distanceInsideMedium*absorption );\n\treturn max(baseValue-t, 0.);\n}\nfloat applyRefractionAbsorption(float refractedDataColor, float baseValue, float tint, float distanceInsideMedium, float absorption){\n\treturn refractedDataColor*refractionTint(baseValue, tint, distanceInsideMedium, absorption);\n}\nvec3 applyRefractionAbsorption(vec3 refractedDataColor, vec3 baseValue, vec3 tint, float distanceInsideMedium, float absorption){\n\treturn vec3(\n\t\trefractedDataColor.r * refractionTint(baseValue.r, tint.r, distanceInsideMedium, absorption),\n\t\trefractedDataColor.g * refractionTint(baseValue.g, tint.g, distanceInsideMedium, absorption),\n\t\trefractedDataColor.b * refractionTint(baseValue.b, tint.b, distanceInsideMedium, absorption)\n\t);\n}\n\n#endif\n\nvec3 applyMaterial(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(0.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t\tvec3 refractedColor = vec3(0.);\n\t\tfloat ior = 1.45;\n\t\tfloat biasMult = 2.0;\n\t\tvec3 baseValue = v_POLY_constant1_val;\n\t\tvec3 tint = vec3(0.7764705882352941, 0.5490196078431373, 0.06274509803921569);\n\t\tfloat absorption = 4.7;\n\t\t\t\n\t\n\t\tvec4 refractedData = GetRefractedData(p, n, rayDir, ior, biasMult, 1.0, 100.0, 3, sdfContext);\n\t\trefractedColor = applyRefractionAbsorption(refractedData.rgb, baseValue, tint, refractedData.w, absorption);\n\t\t\t\t;\n\t\n\t\tcol += refractedColor * 2.0;\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}"}},"jsFunctionBodies":{}}

Code editor

{"multiple_panel":{"split_ratio":0.5,"split_panel0":{"split_ratio":0.5543217692883486,"split_panel0":{"panelTypes":["viewer"],"currentPanelIndex":0,"panel_data":{"camera":"/cameras/cameras:sopGroup/perspectiveCamera_MAIN","isViewerInitLayoutData":true,"linkIndex":1,"overlayedNetwork":{"allowed":false,"displayed":false,"initLayoutData":{"camera":{"position":{"x":0,"y":0},"zoom":1},"history":{},"paramsDisplayed":false,"linkIndex":1}}}},"split_panel1":{"panelTypes":["params"],"currentPanelIndex":0,"panel_data":{"active_folder":42,"linkIndex":1}},"split_mode":"vertical"},"split_panel1":{"panelTypes":["network","params","viewer"],"currentPanelIndex":0,"panel_data":{"camera":{"position":{"x":-151.80967870750456,"y":109.83655332170568},"zoom":0.9272221069335934},"history":{"2":{"position":{"x":-151.80967870750456,"y":109.83655332170568},"zoom":0.9272221069335934}},"paramsDisplayed":false,"linkIndex":1}},"split_mode":"horizontal"},"currentNodes":["/","/","/","/","/","/","/","/"],"navigationHistory":{"nodePaths":{"1":["/"],"2":["/"],"3":["/"],"4":["/"],"5":["/"],"6":["/"],"7":["/"],"8":["/"]},"index":{"1":17,"2":0,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0}},"fullscreenPanelId":null,"saveOptions":{"createExport":false,"checkRemoteAssetsUse":true,"minimizeFilesCount":false,"compressJs":true,"createZip":false,"runPostExportCommand":false},"paramsModal":[]}

Used nodes

Used operations

Used modules

Used assemblers

Used integrations

Used assets

Nodes map

{"/COP":"obj/copNetwork","/COP/envMap":"cop/envMap","/COP/imageEnv":"cop/imageEXR","/cameras":"obj/geo","/cameras/cameraControls1":"sop/cameraControls","/cameras/cameraControls1/cameraOrbitControls1":"event/cameraOrbitControls","/cameras/cameraRenderer1":"sop/cameraRenderer","/cameras/cameraRenderer1/WebGLRenderer1":"rop/WebGLRenderer","/cameras/perspectiveCamera_MAIN":"sop/perspectiveCamera","/lights":"obj/geo","/lights/hemisphereLight1":"sop/hemisphereLight","/raymarchedObject":"obj/geo","/raymarchedObject/COP":"sop/copNetwork","/raymarchedObject/COP/SDFExporter1":"cop/SDFExporter","/raymarchedObject/COP/SDFFromObject1":"cop/SDFFromObject","/raymarchedObject/COP/SDFFromUrl1":"cop/SDFFromUrl","/raymarchedObject/MAT":"sop/materialsNetwork","/raymarchedObject/MAT/meshStandard1":"mat/meshStandard","/raymarchedObject/MAT/rayMarchingBuilder1":"mat/rayMarchingBuilder","/raymarchedObject/box1":"sop/box","/raymarchedObject/boxLines1":"sop/boxLines","/raymarchedObject/fileGLTF1":"sop/fileGLTF","/raymarchedObject/material1":"sop/material","/raymarchedObject/material2":"sop/material","/raymarchedObject/merge1":"sop/merge"}

Js version

Editor version

Engine version

Name *

Code

{"properties":{"frame":331,"maxFrame":600,"maxFrameLocked":false,"realtimeState":true,"mainCameraPath":"/cameras/cameras:sopGroup/perspectiveCamera1","versions":{"polygonjs":"1.5.3"}},"root":{"type":"root","nodes":{"COP":{"type":"copNetwork","nodes":{"envMap":{"type":"envMap","inputs":["imageEnv"]},"imageEnv":{"type":"imageEXR","params":{"url":"https://raw.githubusercontent.com/polygonjs/polygonjs-assets/master/textures/piz_compressed.exr"}}}},"cameras":{"type":"geo","nodes":{"cameraControls1":{"type":"cameraControls","nodes":{"cameraOrbitControls1":{"type":"cameraOrbitControls","params":{"target":[-0.18471221713561017,0.5905619947911671,-0.1472636029963229]}}},"params":{"node":"cameraOrbitControls1"},"inputs":["perspectiveCamera_MAIN"]},"cameraRenderer1":{"type":"cameraRenderer","nodes":{"WebGLRenderer1":{"type":"WebGLRenderer","params":{"tpixelRatio":true,"pixelRatio":1}}},"params":{"node":"WebGLRenderer1"},"inputs":["cameraControls1"],"flags":{"bypass":true,"display":true}},"perspectiveCamera_MAIN":{"type":"perspectiveCamera","params":{"position":[0.9322867501511287,0.7453990296266957,0.1308125714156589],"rotation":[-29.233720427159707,74.1037208139775,28.291450488659855]}}},"params":{"CADLinearTolerance":{"overriden_options":{"callback":"{}"}},"CADAngularTolerance":{"overriden_options":{"callback":"{}"}},"CADCurveAbscissa":{"overriden_options":{"callback":"{}"}},"CADCurveTolerance":{"overriden_options":{"callback":"{}"}},"CADDisplayEdges":{"overriden_options":{"callback":"{}"}},"CADEdgesColor":{"overriden_options":{"callback":"{}"}},"CADDisplayMeshes":{"overriden_options":{"callback":"{}"}},"CADMeshesColor":{"overriden_options":{"callback":"{}"}},"CADWireframe":{"overriden_options":{"callback":"{}"}},"CSGFacetAngle":{"overriden_options":{"callback":"{}"}},"CSGLinesColor":{"overriden_options":{"callback":"{}"}},"CSGMeshesColor":{"overriden_options":{"callback":"{}"}},"CSGWireframe":{"overriden_options":{"callback":"{}"}},"QUADTriangles":{"overriden_options":{"callback":"{}"}},"QUADWireframe":{"overriden_options":{"callback":"{}"}},"TetScale":{"overriden_options":{"callback":"{}"}},"TetDisplayLines":{"overriden_options":{"callback":"{}"}},"TetDisplaySharedFaces":{"overriden_options":{"callback":"{}"}},"TetDisplayPoints":{"overriden_options":{"callback":"{}"}},"TetDisplayCenter":{"overriden_options":{"callback":"{}"}},"TetDisplaySphere":{"overriden_options":{"callback":"{}"}}},"flags":{"display":true}},"lights":{"type":"geo","nodes":{"hemisphereLight1":{"type":"hemisphereLight","flags":{"display":true}}},"params":{"CADLinearTolerance":{"overriden_options":{"callback":"{}"}},"CADAngularTolerance":{"overriden_options":{"callback":"{}"}},"CADCurveAbscissa":{"overriden_options":{"callback":"{}"}},"CADCurveTolerance":{"overriden_options":{"callback":"{}"}},"CADDisplayEdges":{"overriden_options":{"callback":"{}"}},"CADEdgesColor":{"overriden_options":{"callback":"{}"}},"CADDisplayMeshes":{"overriden_options":{"callback":"{}"}},"CADMeshesColor":{"overriden_options":{"callback":"{}"}},"CADWireframe":{"overriden_options":{"callback":"{}"}},"CSGFacetAngle":{"overriden_options":{"callback":"{}"}},"CSGLinesColor":{"overriden_options":{"callback":"{}"}},"CSGMeshesColor":{"overriden_options":{"callback":"{}"}},"CSGWireframe":{"overriden_options":{"callback":"{}"}},"QUADTriangles":{"overriden_options":{"callback":"{}"}},"QUADWireframe":{"overriden_options":{"callback":"{}"}},"TetScale":{"overriden_options":{"callback":"{}"}},"TetDisplayLines":{"overriden_options":{"callback":"{}"}},"TetDisplaySharedFaces":{"overriden_options":{"callback":"{}"}},"TetDisplayPoints":{"overriden_options":{"callback":"{}"}},"TetDisplayCenter":{"overriden_options":{"callback":"{}"}},"TetDisplaySphere":{"overriden_options":{"callback":"{}"}}},"flags":{"display":true}},"raymarchedObject":{"type":"geo","nodes":{"COP":{"type":"copNetwork","nodes":{"SDFExporter1":{"type":"SDFExporter","inputs":["SDFFromObject1"]},"SDFFromObject1":{"type":"SDFFromObject","params":{"geometry":"../../material2","voxelSize":0.0400096,"resolution":[34,30,24],"boundMin":[-0.6587794462839762,-0.07686367730023519,-0.4619663417339325],"boundMax":[0.6588004271189372,1.0769783535881567,0.4618737757205963]}},"SDFFromUrl1":{"type":"SDFFromUrl","params":{"url":"https://raw.githubusercontent.com/polygonjs/polygonjs-assets/master/models/sdf/rhino.mid.bin","resolution":[52,44,36],"boundMin":[-0.6297152042388916,-0.049940697848796844,-0.43309634923934937],"boundMax":[0.6297361850738525,1.0500553846359253,0.4330037832260132]}}}},"MAT":{"type":"materialsNetwork","nodes":{"meshStandard1":{"type":"meshStandard"},"rayMarchingBuilder1":{"type":"rayMarchingBuilder","nodes":{"SDFContext1":{"type":"SDFContext","params":{"sdf":{"type":"float","default_value":0,"options":{"spare":true,"editable":false}},"material":{"type":"string","default_value":"DefaultSDFMaterial()","options":{"spare":true,"editable":false}}},"inputs":[{"index":0,"inputName":"sdf","node":"multAdd3","output":"val"},{"index":1,"inputName":"material","node":"SDFMaterial1","output":"SDFMaterial"}],"connection_points":{"in":[{"name":"sdf","type":"float"},{"name":"material","type":"SDFMaterial"}],"out":[{"name":"SDFContext","type":"SDFContext"}]}},"SDFMaterial1":{"type":"SDFMaterial","params":{"color":{"overriden_options":{}},"useEnvMap":true,"useRefraction":true,"diffuse":{"raw_input":[0,0,0],"overriden_options":{}},"emissive":{"overriden_options":{}},"envMapTint":{"overriden_options":{}},"envMapIntensity":{"raw_input":0.14,"overriden_options":{}},"envMapRoughness":{"raw_input":1,"overriden_options":{}},"envMapFresnel":{"overriden_options":{}},"envMapFresnelPower":{"overriden_options":{}},"reflectionTint":{"overriden_options":{}},"reflectivity":{"overriden_options":{}},"reflectionBiasMult":{"overriden_options":{}},"refractionTint":{"raw_input":[0.7764705882352941,0.5490196078431373,0.06274509803921569],"overriden_options":{}},"ior":{"overriden_options":{}},"iorOffset":{"raw_input":[-0.1,0,0.1],"overriden_options":{}},"transmission":{"raw_input":2,"overriden_options":{}},"absorption":{"raw_input":4.7,"overriden_options":{}},"refractionMaxDist":{"overriden_options":{}},"refractionBiasMult":{"overriden_options":{}}},"inputs":[{"index":0,"inputName":"color","node":"constant1","output":"val"}]},"constant1":{"type":"constant","params":{"type":4,"color":[1,1,1],"asColor":true},"connection_points":{"in":[],"out":[{"name":"val","type":"vec3"}]}},"output1":{"type":"output","inputs":[{"index":0,"inputName":"SDFContext","node":"SDFContext1","output":"SDFContext"}]},"textureSDF1":{"type":"textureSDF","params":{"paramName":"textureSDF1","position":{"overriden_options":{}},"center":{"overriden_options":{}},"boundMin":{"overriden_options":{}},"boundMax":{"overriden_options":{}},"boundScale":{"overriden_options":{}},"bias":{"overriden_options":{}},"tblur":{"overriden_options":{}},"blurDist":{"overriden_options":{}}},"inputs":[null,null,{"index":2,"inputName":"boundMin","node":"textureSDF1BoundMin","output":"val"},{"index":3,"inputName":"boundMax","node":"textureSDF1BoundMax","output":"val"}]},"textureSDF1BoundMax":{"type":"param","params":{"name":"textureSDF1BoundMax","type":4},"connection_points":{"in":[],"out":[{"name":"val","type":"vec3"}]}},"textureSDF1BoundMin":{"type":"param","params":{"name":"textureSDF1BoundMin","type":4},"connection_points":{"in":[],"out":[{"name":"val","type":"vec3"}]}},"multAdd3":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.001},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"value","node":"textureSDF1","output":"d"},{"index":1,"inputName":"preAdd","node":"multAdd1","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"globals1":{"type":"globals"},"vec3ToFloat1":{"type":"vec3ToFloat","params":{"vec":{"overriden_options":{}}},"inputs":[{"index":0,"inputName":"vec","node":"globals1","output":"position"}]},"smoothstep1":{"type":"smoothstep","params":{"edge0":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.22},"edge1":{"type":"float","default_value":1,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"x":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"edge0","node":"null1","output":"val"},{"index":1,"inputName":"edge1","node":"multAdd6","output":"val"},{"index":2,"inputName":"x","node":"vec3ToFloat1","output":"x"}],"connection_points":{"in":[{"name":"edge0","type":"float"},{"name":"edge1","type":"float"},{"name":"x","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd1":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.31},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"value","node":"max1","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd4":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.2},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.22}},"inputs":[{"index":0,"inputName":"value","node":"cycle1","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd6":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":1},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"value","node":"null1","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"null1":{"type":"null","params":{"in":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"in","node":"multAdd2","output":"val"}],"connection_points":{"in":[{"name":"in","type":"float"}],"out":[{"name":"val","type":"float"}]}},"smoothstep2":{"type":"smoothstep","params":{"edge0":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":0.22},"edge1":{"type":"float","default_value":1,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"x":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"edge0","node":"null2","output":"val"},{"index":1,"inputName":"edge1","node":"multAdd7","output":"val"},{"index":2,"inputName":"x","node":"vec3ToFloat1","output":"x"}],"connection_points":{"in":[{"name":"edge0","type":"float"},{"name":"edge1","type":"float"},{"name":"x","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd7":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":-1},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"value","node":"null2","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd5":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":-2}},"inputs":[{"index":0,"inputName":"value","node":"multAdd4","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"multAdd2":{"type":"multAdd","params":{"value":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"preAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"mult":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"postAdd":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":-1}},"inputs":[{"index":0,"inputName":"value","node":"multAdd4","output":"val"}],"connection_points":{"in":[{"name":"value","type":"float"},{"name":"preAdd","type":"float"},{"name":"mult","type":"float"},{"name":"postAdd","type":"float"}],"out":[{"name":"val","type":"float"}]}},"null2":{"type":"null","params":{"in":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"in","node":"multAdd5","output":"val"}],"connection_points":{"in":[{"name":"in","type":"float"}],"out":[{"name":"val","type":"float"}]}},"max1":{"type":"max","params":{"in0":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"in1":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}}},"inputs":[{"index":0,"inputName":"in0","node":"smoothstep1","output":"val"},{"index":1,"inputName":"in1","node":"smoothstep2","output":"val"}],"connection_points":{"in":[{"name":"in0","type":"float"},{"name":"in1","type":"float"}],"out":[{"name":"val","type":"float"}]}},"cycle1":{"type":"cycle","params":{"in":{"type":"float","default_value":0,"options":{"spare":true,"editable":false,"computeOnDirty":true,"dependentOnFoundParam":false}},"min":{"type":"float","default_value":0,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false}},"max":{"type":"float","default_value":1,"options":{"spare":true,"editable":true,"computeOnDirty":true,"dependentOnFoundParam":false},"raw_input":12.5}},"inputs":[{"index":0,"inputName":"in","node":"globals1","output":"time"}],"connection_points":{"in":[{"name":"in","type":"float"},{"name":"min","type":"float"},{"name":"max","type":"float"}],"out":[{"name":"val","type":"float"}]}}},"params":{"maxSteps":91,"maxDist":4.96,"useEnvMap":true,"envMap":"../../../COP/envMap","envMapRoughness":0,"textureSDF1":{"type":"node_path","default_value":"","options":{"spare":true,"computeOnDirty":true,"cook":false,"dependentOnFoundNode":true,"nodeSelection":{"context":"cop"}},"raw_input":"../../COP/SDFFromUrl1","overriden_options":{"callback":"{}"}},"textureSDF1BoundMin":{"type":"vector3","default_value":[0,0,0],"options":{"spare":true,"computeOnDirty":true,"cook":false,"dependentOnFoundNode":true},"raw_input":["ch('../../COP/SDFFromUrl1/boundMinx')","ch('../../COP/SDFFromUrl1/boundMiny')","ch('../../COP/SDFFromUrl1/boundMinz')"],"overriden_options":{"callback":"{}"}},"textureSDF1BoundMax":{"type":"vector3","default_value":[0,0,0],"options":{"spare":true,"computeOnDirty":true,"cook":false,"dependentOnFoundNode":true},"raw_input":["ch('../../COP/SDFFromUrl1/boundMaxx')","ch('../../COP/SDFFromUrl1/boundMaxy')","ch('../../COP/SDFFromUrl1/boundMaxz')"],"overriden_options":{"callback":"{}"}}},"persisted_config":{"material":{"metadata":{"version":4.5,"type":"Material","generator":"Material.toJSON"},"uuid":"/raymarchedObject/MAT/rayMarchingBuilder1-main","type":"ShaderMaterial","side":1,"transparent":true,"depthFunc":3,"depthTest":true,"depthWrite":true,"colorWrite":true,"stencilWrite":false,"stencilWriteMask":255,"stencilFunc":519,"stencilRef":0,"stencilFuncMask":255,"stencilFail":7680,"stencilZFail":7680,"stencilZPass":7680,"alphaTest":0.5,"forceSinglePass":true,"fog":false,"glslVersion":null,"uniforms":{"diffuse":{"type":"c","value":16777215},"opacity":{"value":1},"map":{"value":null},"mapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaMap":{"value":null},"alphaMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaTest":{"value":0},"envMap":{"value":null},"flipEnvMap":{"value":-1},"reflectivity":{"value":1},"ior":{"value":1.5},"refractionRatio":{"value":0.98},"aoMap":{"value":null},"aoMapIntensity":{"value":1},"aoMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"lightMap":{"value":null},"lightMapIntensity":{"value":1},"lightMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"emissiveMap":{"value":null},"emissiveMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpMap":{"value":null},"bumpMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpScale":{"value":1},"normalMap":{"value":null},"normalMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"normalScale":{"type":"v2","value":[1,1]},"displacementMap":{"value":null},"displacementMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"displacementScale":{"value":1},"displacementBias":{"value":0},"roughnessMap":{"value":null},"roughnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"metalnessMap":{"value":null},"metalnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"fogDensity":{"value":0.00025},"fogNear":{"value":1},"fogFar":{"value":2000},"fogColor":{"type":"c","value":16777215},"ambientLightColor":{"value":[0,0,0]},"lightProbe":{"value":[{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0},{"x":0,"y":0,"z":0}]},"directionalLights":{"value":[]},"directionalLightShadows":{"value":[]},"directionalShadowMap":{"value":[]},"directionalShadowMatrix":{"value":[]},"spotLights":{"value":[]},"spotLightShadows":{"value":[]},"spotLightMap":{"value":[]},"spotShadowMap":{"value":[]},"spotLightMatrix":{"value":[]},"pointLights":{"value":[]},"pointLightShadows":{"value":[]},"pointShadowMap":{"value":[]},"pointShadowMatrix":{"value":[]},"hemisphereLights":{"value":[{"direction":{"x":-3.4694469519536134e-18,"y":0.9910740523654544,"z":0.13331250026879102},"skyColor":16777215,"groundColor":0}]},"rectAreaLights":{"value":[]},"ltc_1":{"value":null},"ltc_2":{"value":null},"emissive":{"type":"c","value":0},"roughness":{"value":0},"metalness":{"value":0},"envMapIntensity":{"value":1},"MAX_STEPS":{"value":91},"MAX_DIST":{"value":4.96},"SURF_DIST":{"value":0.001},"NORMALS_BIAS":{"value":0.01},"SHADOW_BIAS":{"value":0},"debugMinSteps":{"value":0},"debugMaxSteps":{"value":128},"debugMinDepth":{"value":0},"debugMaxDepth":{"value":128},"shadowDistanceMin":{"value":0},"shadowDistanceMax":{"value":100},"shadowDepthMin":{"value":0},"shadowDepthMax":{"value":100},"envMapRotationY":{"value":0},"spotLightsRayMarching":{"value":[{"penumbra":0,"shadowBiasAngle":0.01,"shadowBiasDistance":0.1}]},"directionalLightsRayMarching":{"value":[]},"pointLightsRayMarching":{"value":[]},"v_POLY_textureSDF_textureSDF1":{"value":null},"v_POLY_param_textureSDF1BoundMax":{"type":"v3","value":[0.6297361850738525,1.0500553846359253,0.4330037832260132]},"v_POLY_param_textureSDF1BoundMin":{"type":"v3","value":[-0.6297152042388916,-0.049940697848796844,-0.43309634923934937]},"time":{"value":5.543633333334086}},"defines":{"ENVMAP_TYPE_CUBE_UV":1,"CUBEUV_TEXEL_WIDTH":0.0013020833333333333,"CUBEUV_TEXEL_HEIGHT":0.0009765625,"CUBEUV_MAX_MIP":"8.0","ROTATE_ENV_MAP_Y":false},"vertexShader":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","fragmentShader":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nfloat dot2( in vec2 v ) { return dot(v,v); }\nfloat dot2( in vec3 v ) { return dot(v,v); }\nfloat ndot( in vec2 a, in vec2 b ) { return a.x*b.x - a.y*b.y; }\n// https://iquilezles.org/articles/distfunctions/\n\n\n/*\n*\n* SDF PRIMITIVES\n*\n*/\nfloat sdSphere( vec3 p, float s )\n{\n\treturn length(p)-s;\n}\nfloat sdCutSphere( vec3 p, float r, float h )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat s = max( (h-r)*q.x*q.x+w*w*(h+r-2.0*q.y), h*q.x-w*q.y );\n\treturn (s<0.0) ? length(q)-r :\n\t\t\t\t(q.x<w) ? h - q.y :\n\t\t\t\t\tlength(q-vec2(w,h));\n}\nfloat sdCutHollowSphere( vec3 p, float r, float h, float t )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\t\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\treturn ((h*q.x<w*q.y) ? length(q-vec2(w,h)) : \n\t\t\t\t\t\t\tabs(length(q)-r) ) - t;\n}\n\nfloat sdBox( vec3 p, vec3 b )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0);\n}\nfloat sdRoundBox( vec3 p, vec3 b, float r )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0) - r;\n}\n\n\nfloat sdBoxFrame( vec3 p, vec3 b, float e )\n{\n\t\tp = abs(p  )-b*0.5;\n\tvec3 q = abs(p+e)-e;\n\treturn min(min(\n\t\tlength(max(vec3(p.x,q.y,q.z),0.0))+min(max(p.x,max(q.y,q.z)),0.0),\n\t\tlength(max(vec3(q.x,p.y,q.z),0.0))+min(max(q.x,max(p.y,q.z)),0.0)),\n\t\tlength(max(vec3(q.x,q.y,p.z),0.0))+min(max(q.x,max(q.y,p.z)),0.0));\n}\nfloat sdCapsule( vec3 p, vec3 a, vec3 b, float r )\n{\n\tvec3 pa = p - a, ba = b - a;\n\tfloat h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 );\n\treturn length( pa - ba*h ) - r;\n}\nfloat sdVerticalCapsule( vec3 p, float h, float r )\n{\n\tp.y -= clamp( p.y, 0.0, h );\n\treturn length( p ) - r;\n}\nfloat sdCone( in vec3 p, in vec2 c, float h )\n{\n\t// c is the sin/cos of the angle, h is height\n\t// Alternatively pass q instead of (c,h),\n\t// which is the point at the base in 2D\n\tvec2 q = h*vec2(c.x/c.y,-1.0);\n\n\tvec2 w = vec2( length(p.xz), p.y );\n\tvec2 a = w - q*clamp( dot(w,q)/dot(q,q), 0.0, 1.0 );\n\tvec2 b = w - q*vec2( clamp( w.x/q.x, 0.0, 1.0 ), 1.0 );\n\tfloat k = sign( q.y );\n\tfloat d = min(dot( a, a ),dot(b, b));\n\tfloat s = max( k*(w.x*q.y-w.y*q.x),k*(w.y-q.y)  );\n\treturn sqrt(d)*sign(s);\n}\nfloat sdConeWrapped(vec3 pos, float angle, float height){\n\treturn sdCone(pos, vec2(sin(angle), cos(angle)), height);\n}\nfloat sdRoundCone( vec3 p, float r1, float r2, float h )\n{\n\tfloat b = (r1-r2)/h;\n\tfloat a = sqrt(1.0-b*b);\n\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat k = dot(q,vec2(-b,a));\n\tif( k<0.0 ) return length(q) - r1;\n\tif( k>a*h ) return length(q-vec2(0.0,h)) - r2;\n\treturn dot(q, vec2(a,b) ) - r1;\n}\nfloat sdOctogonPrism( in vec3 p, in float r, float h )\n{\n\tconst vec3 k = vec3(-0.9238795325,  // sqrt(2+sqrt(2))/2 \n\t\t\t\t\t\t0.3826834323,   // sqrt(2-sqrt(2))/2\n\t\t\t\t\t\t0.4142135623 ); // sqrt(2)-1 \n\t// reflections\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(vec2( k.x,k.y),p.xy),0.0)*vec2( k.x,k.y);\n\tp.xy -= 2.0*min(dot(vec2(-k.x,k.y),p.xy),0.0)*vec2(-k.x,k.y);\n\t// polygon side\n\tp.xy -= vec2(clamp(p.x, -k.z*r, k.z*r), r);\n\tvec2 d = vec2( length(p.xy)*sign(p.y), p.z-h );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHexPrism( vec3 p, vec2 h )\n{\n\tconst vec3 k = vec3(-0.8660254, 0.5, 0.57735);\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(k.xy, p.xy), 0.0)*k.xy;\n\tvec2 d = vec2(\n\t\tlength(p.xy-vec2(clamp(p.x,-k.z*h.x,k.z*h.x), h.x))*sign(p.y-h.x),\n\t\tp.z-h.y );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHorseshoe( in vec3 p, in float angle, in float r, in float le, vec2 w )\n{\n\tvec2 c = vec2(cos(angle),sin(angle));\n\tp.x = abs(p.x);\n\tfloat l = length(p.xy);\n\tp.xy = mat2(-c.x, c.y, \n\t\t\tc.y, c.x)*p.xy;\n\tp.xy = vec2((p.y>0.0 || p.x>0.0)?p.x:l*sign(-c.x),\n\t\t\t\t(p.x>0.0)?p.y:l );\n\tp.xy = vec2(p.x,abs(p.y-r))-vec2(le,0.0);\n\t\n\tvec2 q = vec2(length(max(p.xy,0.0)) + min(0.0,max(p.x,p.y)),p.z);\n\tvec2 d = abs(q) - w;\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdTriPrism( vec3 p, vec2 h )\n{\n\tvec3 q = abs(p);\n\treturn max(q.z-h.y,max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5);\n}\nfloat sdPyramid( vec3 p, float h)\n{\n\tfloat m2 = h*h + 0.25;\n\n\tp.xz = abs(p.xz);\n\tp.xz = (p.z>p.x) ? p.zx : p.xz;\n\tp.xz -= 0.5;\n\n\tvec3 q = vec3( p.z, h*p.y - 0.5*p.x, h*p.x + 0.5*p.y);\n\n\tfloat s = max(-q.x,0.0);\n\tfloat t = clamp( (q.y-0.5*p.z)/(m2+0.25), 0.0, 1.0 );\n\n\tfloat a = m2*(q.x+s)*(q.x+s) + q.y*q.y;\n\tfloat b = m2*(q.x+0.5*t)*(q.x+0.5*t) + (q.y-m2*t)*(q.y-m2*t);\n\n\tfloat d2 = min(q.y,-q.x*m2-q.y*0.5) > 0.0 ? 0.0 : min(a,b);\n\n\treturn sqrt( (d2+q.z*q.z)/m2 ) * sign(max(q.z,-p.y));\n}\n\nfloat sdPlane( vec3 p, vec3 n, float h )\n{\n\t// n must be normalized\n\treturn dot(p,n) + h;\n}\n\nfloat sdTorus( vec3 p, vec2 t )\n{\n\tvec2 q = vec2(length(p.xz)-t.x,p.y);\n\treturn length(q)-t.y;\n}\nfloat sdCappedTorus(in vec3 p, in float an, in float ra, in float rb)\n{\n\tvec2 sc = vec2(sin(an),cos(an));\n\tp.x = abs(p.x);\n\tfloat k = (sc.y*p.x>sc.x*p.z) ? dot(p.xz,sc) : length(p.xz);\n\treturn sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;\n}\nfloat sdLink( vec3 p, float le, float r1, float r2 )\n{\n  vec3 q = vec3( p.x, max(abs(p.y)-le,0.0), p.z );\n  return length(vec2(length(q.xy)-r1,q.z)) - r2;\n}\n// c is the sin/cos of the desired cone angle\nfloat sdSolidAngle(vec3 pos, vec2 c, float radius)\n{\n\tvec2 p = vec2( length(pos.xz), pos.y );\n\tfloat l = length(p) - radius;\n\tfloat m = length(p - c*clamp(dot(p,c),0.0,radius) );\n\treturn max(l,m*sign(c.y*p.x-c.x*p.y));\n}\nfloat sdSolidAngleWrapped(vec3 pos, float angle, float radius){\n\treturn sdSolidAngle(pos, vec2(sin(angle), cos(angle)), radius);\n}\nfloat sdTube( vec3 p, float r )\n{\n\treturn length(p.xz)-r;\n}\nfloat sdTubeCapped( vec3 p, float h, float r )\n{\n\tvec2 d = abs(vec2(length(p.xz),p.y)) - vec2(r,h);\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdOctahedron( vec3 p, float s)\n{\n  p = abs(p);\n  float m = p.x+p.y+p.z-s;\n  vec3 q;\n       if( 3.0*p.x < m ) q = p.xyz;\n  else if( 3.0*p.y < m ) q = p.yzx;\n  else if( 3.0*p.z < m ) q = p.zxy;\n  else return m*0.57735027;\n    \n  float k = clamp(0.5*(q.z-q.y+s),0.0,s); \n  return length(vec3(q.x,q.y-s+k,q.z-k)); \n}\nfloat udTriangle( vec3 p, vec3 a, vec3 b, vec3 c, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 ac = a - c; vec3 pc = p - c;\n\tvec3 nor = cross( ba, ac );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(ac,nor),pc))<2.0)\n\t\t?\n\t\tmin( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(ac*clamp(dot(ac,pc)/dot2(ac),0.0,1.0)-pc) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\nfloat udQuad( vec3 p, vec3 a, vec3 b, vec3 c, vec3 d, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 dc = d - c; vec3 pc = p - c;\n\tvec3 ad = a - d; vec3 pd = p - d;\n\tvec3 nor = cross( ba, ad );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(dc,nor),pc)) +\n\t\tsign(dot(cross(ad,nor),pd))<3.0)\n\t\t?\n\t\tmin( min( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(dc*clamp(dot(dc,pc)/dot2(dc),0.0,1.0)-pc) ),\n\t\tdot2(ad*clamp(dot(ad,pd)/dot2(ad),0.0,1.0)-pd) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\n\n/*\n*\n* SDF OPERATIONS\n*\n*/\nfloat SDFUnion( float d1, float d2 ) { return min(d1,d2); }\nfloat SDFSubtract( float d1, float d2 ) { return max(-d1,d2); }\nfloat SDFIntersect( float d1, float d2 ) { return max(d1,d2); }\n\nfloat SDFSmoothUnion( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) - k*h*(1.0-h);\n}\n\nfloat SDFSmoothSubtract( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );\n\treturn mix( d2, -d1, h ) + k*h*(1.0-h);\n}\n\nfloat SDFSmoothIntersect( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) + k*h*(1.0-h);\n}\n\nvec4 SDFElongateFast( in vec3 p, in vec3 h )\n{\n\treturn vec4( p-clamp(p,-h,h), 0.0 );\n}\nvec4 SDFElongateSlow( in vec3 p, in vec3 h )\n{\n\tvec3 q = abs(p)-h;\n\treturn vec4( max(q,0.0), min(max(q.x,max(q.y,q.z)),0.0) );\n}\n\nfloat SDFOnion( in float sdf, in float thickness )\n{\n\treturn abs(sdf)-thickness;\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\nfloat cycle(float val, float val_min, float val_max){\n\tif(val >= val_min && val < val_max){\n\t\treturn val;\n\t} else {\n\t\tfloat range = val_max - val_min;\n\t\tif(val >= val_max){\n\t\t\tfloat delta = (val - val_max);\n\t\t\treturn val_min + mod(delta, range);\n\t\t} else {\n\t\t\tfloat delta = (val_min - val);\n\t\t\treturn val_max - mod(delta, range);\n\t\t}\n\t}\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\nconst int _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1 = 1;\n\n\n// https://stackoverflow.com/questions/23793698/how-to-implement-slerp-in-glsl-hlsl\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t)\n// {\n// \tfloat dotp = dot(normalize(p0), normalize(p1));\n// \tif ((dotp > 0.9999) || (dotp < -0.9999))\n// \t{\n// \t\tif (t<=0.5)\n// \t\t\treturn p0;\n// \t\treturn p1;\n// \t}\n// \tfloat theta = acos(dotp);\n// \tvec4 P = ((p0*sin((1.0-t)*theta) + p1*sin(t*theta)) / sin(theta));\n// \tP.w = 1.0;\n// \treturn P;\n// }\n\n// https://devcry.heiho.net/html/2017/20170521-slerp.html\n// float lerp(float a, float b, float t) {\n// \treturn (1.0 - t) * a + t * b;\n// }\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t){\n// \tvec4 qb = p1;\n\n// \t// cos(a) = dot product\n// \tfloat cos_a = p0.x * qb.x + p0.y * qb.y + p0.z * qb.z + p0.w * qb.w;\n// \tif (cos_a < 0.0f) {\n// \t\tcos_a = -cos_a;\n// \t\tqb = -qb;\n// \t}\n\n// \t// close to zero, cos(a) ~= 1\n// \t// do linear interpolation\n// \tif (cos_a > 0.999) {\n// \t\treturn vec4(\n// \t\t\tlerp(p0.x, qb.x, t),\n// \t\t\tlerp(p0.y, qb.y, t),\n// \t\t\tlerp(p0.z, qb.z, t),\n// \t\t\tlerp(p0.w, qb.w, t)\n// \t\t);\n// \t}\n\n// \tfloat alpha = acos(cos_a);\n// \treturn (p0 * sin(1.0 - t) + p1 * sin(t * alpha)) / sin(alpha);\n// }\n\n// https://stackoverflow.com/questions/62943083/interpolate-between-two-quaternions-the-long-way\nvec4 quatSlerp(vec4 q1, vec4 q2, float t){\n\tfloat angle = acos(dot(q1, q2));\n\tfloat denom = sin(angle);\n\t//check if denom is zero\n\treturn (q1*sin((1.0-t)*angle)+q2*sin(t*angle))/denom;\n}\n// TO CHECK:\n// this page https://www.reddit.com/r/opengl/comments/704la7/glsl_quaternion_library/\n// has a link to a potentially nice pdf:\n// http://web.mit.edu/2.998/www/QuaternionReport1.pdf\n\n// https://github.com/mattatz/ShibuyaCrowd/blob/master/source/shaders/common/quaternion.glsl\nvec4 quatMult(vec4 q1, vec4 q2)\n{\n\treturn vec4(\n\tq1.w * q2.x + q1.x * q2.w + q1.z * q2.y - q1.y * q2.z,\n\tq1.w * q2.y + q1.y * q2.w + q1.x * q2.z - q1.z * q2.x,\n\tq1.w * q2.z + q1.z * q2.w + q1.y * q2.x - q1.x * q2.y,\n\tq1.w * q2.w - q1.x * q2.x - q1.y * q2.y - q1.z * q2.z\n\t);\n}\n// http://glmatrix.net/docs/quat.js.html#line97\n//   let ax = a[0], ay = a[1], az = a[2], aw = a[3];\n\n//   let bx = b[0], by = b[1], bz = b[2], bw = b[3];\n\n//   out[0] = ax * bw + aw * bx + ay * bz - az * by;\n\n//   out[1] = ay * bw + aw * by + az * bx - ax * bz;\n\n//   out[2] = az * bw + aw * bz + ax * by - ay * bx;\n\n//   out[3] = aw * bw - ax * bx - ay * by - az * bz;\n\n//   return out\n\n\n\n// http://www.neilmendoza.com/glsl-rotation-about-an-arbitrary-axis/\nmat4 rotationMatrix(vec3 axis, float angle)\n{\n\taxis = normalize(axis);\n\tfloat s = sin(angle);\n\tfloat c = cos(angle);\n\tfloat oc = 1.0 - c;\n\n \treturn mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s,  oc * axis.z * axis.x + axis.y * s, 0.0, oc * axis.x * axis.y + axis.z * s,  oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s,  0.0, oc * axis.z * axis.x - axis.y * s,  oc * axis.y * axis.z + axis.x * s,  oc * axis.z * axis.z + c, 0.0, 0.0, 0.0, 0.0, 1.0);\n}\n\n// https://www.geeks3d.com/20141201/how-to-rotate-a-vertex-by-a-quaternion-in-glsl/\nvec4 quatFromAxisAngle(vec3 axis, float angle)\n{\n\tvec4 qr;\n\tfloat half_angle = (angle * 0.5); // * 3.14159 / 180.0;\n\tfloat sin_half_angle = sin(half_angle);\n\tqr.x = axis.x * sin_half_angle;\n\tqr.y = axis.y * sin_half_angle;\n\tqr.z = axis.z * sin_half_angle;\n\tqr.w = cos(half_angle);\n\treturn qr;\n}\nvec3 rotateWithAxisAngle(vec3 position, vec3 axis, float angle)\n{\n\tvec4 q = quatFromAxisAngle(axis, angle);\n\tvec3 v = position.xyz;\n\treturn v + 2.0 * cross(q.xyz, cross(q.xyz, v) + q.w * v);\n}\n// vec3 applyQuaternionToVector( vec4 q, vec3 v ){\n// \treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n// }\nvec3 rotateWithQuat( vec3 v, vec4 q )\n{\n\t// vec4 qv = multQuat( quat, vec4(vec, 0.0) );\n\t// return multQuat( qv, vec4(-quat.x, -quat.y, -quat.z, quat.w) ).xyz;\n\treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n}\n// https://github.com/glslify/glsl-look-at/blob/gh-pages/index.glsl\n// mat3 rotation_matrix(vec3 origin, vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target - origin);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n// mat3 rotation_matrix(vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n\nfloat vectorAngle(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 c1 = cross(start, dest);\n\t// We use the dot product of the cross with the Y axis.\n\t// This is a little arbitrary, but can still give a good sense of direction\n\tvec3 y_axis = vec3(0.0, 1.0, 0.0);\n\tfloat d1 = dot(c1, y_axis);\n\tfloat angle = acos(cosTheta) * sign(d1);\n\treturn angle;\n}\n\n// http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-17-quaternions/#i-need-an-equivalent-of-glulookat-how-do-i-orient-an-object-towards-a-point-\nvec4 vectorAlign(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 axis;\n\n\t// if (cosTheta < -1 + 0.001f){\n\t// \t// special case when vectors in opposite directions:\n\t// \t// there is no ideal rotation axis\n\t// \t// So guess one; any will do as long as it's perpendicular to start\n\t// \taxis = cross(vec3(0.0f, 0.0f, 1.0f), start);\n\t// \tif (length2(axis) < 0.01 ) // bad luck, they were parallel, try again!\n\t// \t\taxis = cross(vec3(1.0f, 0.0f, 0.0f), start);\n\n\t// \taxis = normalize(axis);\n\t// \treturn gtx::quaternion::angleAxis(glm::radians(180.0f), axis);\n\t// }\n\tif(cosTheta > (1.0 - 0.0001) || cosTheta < (-1.0 + 0.0001) ){\n\t\taxis = normalize(cross(start, vec3(0.0, 1.0, 0.0)));\n\t\tif (length(axis) < 0.001 ){ // bad luck, they were parallel, try again!\n\t\t\taxis = normalize(cross(start, vec3(1.0, 0.0, 0.0)));\n\t\t}\n\t} else {\n\t\taxis = normalize(cross(start, dest));\n\t}\n\n\tfloat angle = acos(cosTheta);\n\n\treturn quatFromAxisAngle(axis, angle);\n}\nvec4 vectorAlignWithUp(vec3 start, vec3 dest, vec3 up){\n\tvec4 rot1 = vectorAlign(start, dest);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\t// vec3 right = normalize(cross(dest, up));\n\t// up = normalize(cross(right, dest));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(vec3(0.0, 1.0, 0.0), rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(up, newUp);\n\n\t// return rot1;\n\treturn rot2;\n\t// return multQuat(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\n// https://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\nfloat quatToAngle(vec4 q){\n\treturn 2.0 * acos(q.w);\n}\nvec3 quatToAxis(vec4 q){\n\treturn vec3(\n\t\tq.x / sqrt(1.0-q.w*q.w),\n\t\tq.y / sqrt(1.0-q.w*q.w),\n\t\tq.z / sqrt(1.0-q.w*q.w)\n\t);\n}\n\nvec4 align(vec3 dir, vec3 up){\n\tvec3 start_dir = vec3(0.0, 0.0, 1.0);\n\tvec3 start_up = vec3(0.0, 1.0, 0.0);\n\tvec4 rot1 = vectorAlign(start_dir, dir);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\tvec3 right = normalize(cross(dir, up));\n\tif(length(right)<0.001){\n\t\tright = vec3(1.0, 0.0, 0.0);\n\t}\n\tup = normalize(cross(right, dir));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(start_up, rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(normalize(newUp), up);\n\n\t// return rot1;\n\treturn quatMult(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\nstruct EnvMapProps {\n\tvec3 tint;\n\tfloat intensity;\n\tfloat roughness;\n\tfloat fresnel;\n\tfloat fresnelPower;\n};\nuniform sampler2D envMap;\nuniform float envMapIntensity;\nuniform float roughness;\n#ifdef ROTATE_ENV_MAP_Y\n\tuniform float envMapRotationY;\n#endif\nvec3 envMapSample(vec3 rayDir, float envMapRoughness){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = vec3(0.);\n\t// vec2 uv = vec2( atan( -rayDir.z, -rayDir.x ) * RECIPROCAL_PI2 + 0.5, rayDir.y * 0.5 + 0.5 );\n\t// vec3 env = texture2D(map, uv).rgb;\n\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t#ifdef ROTATE_ENV_MAP_Y\n\t\t\trayDir = rotateWithAxisAngle(rayDir, vec3(0.,1.,0.), envMapRotationY);\n\t\t#endif\n\t\tenv = textureCubeUV(envMap, rayDir, envMapRoughness * roughness).rgb;\n\t#endif\n\treturn env;\n}\nvec3 envMapSampleWithFresnel(vec3 rayDir, EnvMapProps envMapProps, vec3 n, vec3 cameraPosition){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = envMapSample(rayDir, envMapProps.roughness);\n\tfloat fresnel = pow(1.-dot(normalize(cameraPosition), n), envMapProps.fresnelPower);\n\tfloat fresnelFactor = (1.-envMapProps.fresnel) + envMapProps.fresnel*fresnel;\n\treturn env * envMapIntensity * envMapProps.tint * envMapProps.intensity * fresnelFactor;\n}\n#define RAYMARCHED_REFRACTIONS 1\n#define RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST 1\n#define RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM 1\n\n\n\n\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nprecision highp sampler3D;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\nuniform vec3 v_POLY_param_textureSDF1BoundMin;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\nuniform vec3 v_POLY_param_textureSDF1BoundMax;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\nuniform float time;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nuniform sampler3D v_POLY_textureSDF_textureSDF1;\n\n\n\n\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\n\tvec3 v_POLY_textureSDF1BoundMin_val = v_POLY_param_textureSDF1BoundMin;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\n\tvec3 v_POLY_textureSDF1BoundMax_val = v_POLY_param_textureSDF1BoundMax;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\n\tvec3 v_POLY_globals1_position = p;\n\tfloat v_POLY_globals1_time = time;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\n\tvec3 v_POLY_textureSDF1_boundCenter = (v_POLY_textureSDF1BoundMax_val + v_POLY_textureSDF1BoundMin_val)*0.5;\n\tvec3 v_POLY_textureSDF1_boundSize = (v_POLY_textureSDF1BoundMax_val - v_POLY_textureSDF1BoundMin_val);\n\tvec3 v_POLY_textureSDF1_positionNormalised = ((p - v_POLY_textureSDF1BoundMin_val) / v_POLY_textureSDF1_boundSize);\n\tfloat v_POLY_textureSDF1_sdBox = sdBox(p-v_POLY_textureSDF1_boundCenter, v_POLY_textureSDF1_boundSize*vec3(1.0, 1.0, 1.0));\n\tfloat v_POLY_textureSDF1_d = v_POLY_textureSDF1_sdBox < 0.01 ? texture(v_POLY_textureSDF_textureSDF1, v_POLY_textureSDF1_positionNormalised - vec3(0.0, 0.0, 0.0)).r : v_POLY_textureSDF1_sdBox;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\n\tfloat v_POLY_cycle1_val = cycle(v_POLY_globals1_time, 0.0, 12.5);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/vec3ToFloat1\n\tfloat v_POLY_vec3ToFloat1_x = v_POLY_globals1_position.x;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd4\n\tfloat v_POLY_multAdd4_val = (0.2*(v_POLY_cycle1_val + 0.0)) + 0.22;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd2\n\tfloat v_POLY_multAdd2_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -1.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd5\n\tfloat v_POLY_multAdd5_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -2.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null1\n\tfloat v_POLY_null1_val = v_POLY_multAdd2_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null2\n\tfloat v_POLY_null2_val = v_POLY_multAdd5_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd6\n\tfloat v_POLY_multAdd6_val = (1.0*(v_POLY_null1_val + 1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd7\n\tfloat v_POLY_multAdd7_val = (1.0*(v_POLY_null2_val + -1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep1\n\tfloat v_POLY_smoothstep1_val = smoothstep(v_POLY_null1_val, v_POLY_multAdd6_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep2\n\tfloat v_POLY_smoothstep2_val = smoothstep(v_POLY_null2_val, v_POLY_multAdd7_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/max1\n\tfloat v_POLY_max1_val = max(v_POLY_smoothstep1_val, v_POLY_smoothstep2_val);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd1\n\tfloat v_POLY_multAdd1_val = (0.31*(v_POLY_max1_val + 0.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd3\n\tfloat v_POLY_multAdd3_val = (1.0*(v_POLY_textureSDF1_d + v_POLY_multAdd1_val)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFContext1\n\tSDFContext v_POLY_SDFContext1_SDFContext = SDFContext(v_POLY_multAdd3_val, 0, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, 0.);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/output1\n\tsdfContext = v_POLY_SDFContext1_SDFContext;\n\n\n\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n\nvec3 applyMaterialWithoutRefraction(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\nvec3 applyMaterialWithoutReflection(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n#ifdef RAYMARCHED_REFLECTIONS\nvec3 GetReflection(vec3 p, vec3 n, vec3 rayDir, float biasMult, float roughness, int reflectionDepth, inout SDFContext sdfContextMain){\n\tbool hitReflection = true;\n\tvec3 reflectedColor = vec3(0.);\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < reflectionDepth; i++) {\n\t\tif(hitReflection){\n\t\t\trayDir = reflect(rayDir, n);\n\t\t\tp += n*SURF_DIST*biasMult;\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, 1.);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\tif( sdfContext.d >= MAX_DIST){\n\t\t\t\thitReflection = false;\n\t\t\t\treflectedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitReflection){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p);\n\t\t\t\tvec3 matCol = applyMaterialWithoutReflection(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\treflectedColor += matCol;\n\t\t\t}\n\t\t}\n\t}\n\t#pragma unroll_loop_end\n\treturn reflectedColor;\n}\n#endif\n\n#ifdef RAYMARCHED_REFRACTIONS\n// xyz for color, w for distanceInsideMedium\nvec4 GetRefractedData(vec3 p, vec3 n, vec3 rayDir, float ior, float biasMult, float roughness, float refractionMaxDist, int refractionDepth, inout SDFContext sdfContextMain){\n\tbool hitRefraction = true;\n\tbool changeSide = true;\n\t#ifdef RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM\n\tfloat side = -1.;\n\t#else\n\tfloat side =  1.;\n\t#endif\n\tfloat iorInverted = 1. / ior;\n\tvec3 refractedColor = vec3(0.);\n\tfloat distanceInsideMedium=0.;\n\tfloat totalRefractedDistance=0.;\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < refractionDepth; i++) {\n\t\tif(hitRefraction){\n\t\t\tfloat currentIor = side<0. ? iorInverted : ior;\n\t\t\tvec3 rayDirPreRefract = rayDir;\n\t\t\trayDir = refract(rayDir, n, currentIor);\n\t\t\tchangeSide = dot(rayDir, rayDir)!=0.;\n\t\t\tif(changeSide == true) {\n\t\t\t\tp -= n*SURF_DIST*(2.+biasMult);\n\t\t\t} else {\n\t\t\t\tp += n*SURF_DIST*(   biasMult);\n\t\t\t\trayDir = reflect(rayDirPreRefract, n);\n\t\t\t}\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, side);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\ttotalRefractedDistance += sdfContext.d;\n\t\t\tif( abs(sdfContext.d) >= MAX_DIST || totalRefractedDistance > refractionMaxDist ){\n\t\t\t\thitRefraction = false;\n\t\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitRefraction){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p) * side;\n\t\t\t\tvec3 matCol = applyMaterialWithoutRefraction(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\trefractedColor = matCol;\n\n\t\t\t\t// same as: side < 0. ? abs(sdfContext.d) : 0.;\n\t\t\t\tdistanceInsideMedium += (side-1.)*-0.5*abs(sdfContext.d);\n\t\t\t\tif( changeSide ){\n\t\t\t\t\tside *= -1.;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t#ifdef RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST\n\t\tif(i == refractionDepth-1){\n\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t}\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\treturn vec4(refractedColor, distanceInsideMedium);\n}\nfloat refractionTint(float baseValue, float tint, float distanceInsideMedium, float absorption){\n\tfloat tintNegated = baseValue-tint;\n\tfloat t = tintNegated*( distanceInsideMedium*absorption );\n\treturn max(baseValue-t, 0.);\n}\nfloat applyRefractionAbsorption(float refractedDataColor, float baseValue, float tint, float distanceInsideMedium, float absorption){\n\treturn refractedDataColor*refractionTint(baseValue, tint, distanceInsideMedium, absorption);\n}\nvec3 applyRefractionAbsorption(vec3 refractedDataColor, vec3 baseValue, vec3 tint, float distanceInsideMedium, float absorption){\n\treturn vec3(\n\t\trefractedDataColor.r * refractionTint(baseValue.r, tint.r, distanceInsideMedium, absorption),\n\t\trefractedDataColor.g * refractionTint(baseValue.g, tint.g, distanceInsideMedium, absorption),\n\t\trefractedDataColor.b * refractionTint(baseValue.b, tint.b, distanceInsideMedium, absorption)\n\t);\n}\n\n#endif\n\nvec3 applyMaterial(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(0.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t\tvec3 refractedColor = vec3(0.);\n\t\tfloat ior = 1.45;\n\t\tfloat biasMult = 2.0;\n\t\tvec3 baseValue = v_POLY_constant1_val;\n\t\tvec3 tint = vec3(0.7764705882352941, 0.5490196078431373, 0.06274509803921569);\n\t\tfloat absorption = 4.7;\n\t\t\t\n\t\n\t\tvec4 refractedData = GetRefractedData(p, n, rayDir, ior, biasMult, 1.0, 100.0, 3, sdfContext);\n\t\trefractedColor = applyRefractionAbsorption(refractedData.rgb, baseValue, tint, refractedData.w, absorption);\n\t\t\t\t;\n\t\n\t\tcol += refractedColor * 2.0;\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}","lights":true,"clipping":false},"onBeforeCompileDataJSONWithoutShaders":{"paramConfigs":[{"type":"node_path","name":"textureSDF1","defaultValue":"","uniformName":"v_POLY_textureSDF_textureSDF1"},{"type":"vector3","name":"textureSDF1BoundMax","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMax"},{"type":"vector3","name":"textureSDF1BoundMin","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMin"}],"timeDependent":true,"resolutionDependent":false,"raymarchingLightsWorldCoordsDependent":true},"customMaterials":{"customDepthMaterial":{"material":{"metadata":{"version":4.5,"type":"Material","generator":"Material.toJSON"},"uuid":"/raymarchedObject/MAT/rayMarchingBuilder1-customDepthMaterial","type":"ShaderMaterial","name":"customDepthMaterial","depthFunc":3,"depthTest":true,"depthWrite":true,"colorWrite":true,"stencilWrite":false,"stencilWriteMask":255,"stencilFunc":519,"stencilRef":0,"stencilFuncMask":255,"stencilFail":7680,"stencilZFail":7680,"stencilZPass":7680,"alphaTest":0.5,"forceSinglePass":true,"fog":false,"glslVersion":null,"uniforms":{"diffuse":{"type":"c","value":16777215},"opacity":{"value":1},"map":{"value":null},"mapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaMap":{"value":null},"alphaMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaTest":{"value":0},"envMap":{"value":null},"flipEnvMap":{"value":-1},"reflectivity":{"value":1},"ior":{"value":1.5},"refractionRatio":{"value":0.98},"aoMap":{"value":null},"aoMapIntensity":{"value":1},"aoMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"lightMap":{"value":null},"lightMapIntensity":{"value":1},"lightMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"emissiveMap":{"value":null},"emissiveMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpMap":{"value":null},"bumpMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpScale":{"value":1},"normalMap":{"value":null},"normalMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"normalScale":{"type":"v2","value":[1,1]},"displacementMap":{"value":null},"displacementMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"displacementScale":{"value":1},"displacementBias":{"value":0},"roughnessMap":{"value":null},"roughnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"metalnessMap":{"value":null},"metalnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"fogDensity":{"value":0.00025},"fogNear":{"value":1},"fogFar":{"value":2000},"fogColor":{"type":"c","value":16777215},"ambientLightColor":{"value":[]},"lightProbe":{"value":[]},"directionalLights":{"value":[]},"directionalLightShadows":{"value":[]},"directionalShadowMap":{"value":[]},"directionalShadowMatrix":{"value":[]},"spotLights":{"value":[]},"spotLightShadows":{"value":[]},"spotLightMap":{"value":[]},"spotShadowMap":{"value":[]},"spotLightMatrix":{"value":[]},"pointLights":{"value":[]},"pointLightShadows":{"value":[]},"pointShadowMap":{"value":[]},"pointShadowMatrix":{"value":[]},"hemisphereLights":{"value":[]},"rectAreaLights":{"value":[]},"ltc_1":{"value":null},"ltc_2":{"value":null},"emissive":{"type":"c","value":0},"roughness":{"value":1},"metalness":{"value":0},"envMapIntensity":{"value":1},"MAX_STEPS":{"value":100},"MAX_DIST":{"value":100},"SURF_DIST":{"value":0.001},"NORMALS_BIAS":{"value":0.01},"SHADOW_BIAS":{"value":0},"debugMinSteps":{"value":0},"debugMaxSteps":{"value":128},"debugMinDepth":{"value":0},"debugMaxDepth":{"value":128},"shadowDistanceMin":{"value":0},"shadowDistanceMax":{"value":100},"shadowDepthMin":{"value":0},"shadowDepthMax":{"value":100},"envMapRotationY":{"value":0},"spotLightsRayMarching":{"value":[{"penumbra":0,"shadowBiasAngle":0.01,"shadowBiasDistance":0.1}]},"directionalLightsRayMarching":{"value":[]},"pointLightsRayMarching":{"value":[]}},"defines":{"SHADOW_DEPTH":1,"DEPTH_PACKING":3200},"vertexShader":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","fragmentShader":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n// --- applyMaterial function definition\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}","lights":false,"clipping":false,"depthPacking":3200},"onBeforeCompileDataJSONWithoutShaders":{"paramConfigs":[{"type":"node_path","name":"textureSDF1","defaultValue":"","uniformName":"v_POLY_textureSDF_textureSDF1"},{"type":"vector3","name":"textureSDF1BoundMax","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMax"},{"type":"vector3","name":"textureSDF1BoundMin","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMin"}],"timeDependent":true,"resolutionDependent":false,"raymarchingLightsWorldCoordsDependent":true}},"customDistanceMaterial":{"material":{"metadata":{"version":4.5,"type":"Material","generator":"Material.toJSON"},"uuid":"/raymarchedObject/MAT/rayMarchingBuilder1-customDistanceMaterial","type":"ShaderMaterial","name":"customDistanceMaterial","depthFunc":3,"depthTest":true,"depthWrite":true,"colorWrite":true,"stencilWrite":false,"stencilWriteMask":255,"stencilFunc":519,"stencilRef":0,"stencilFuncMask":255,"stencilFail":7680,"stencilZFail":7680,"stencilZPass":7680,"alphaTest":0.5,"forceSinglePass":true,"fog":false,"glslVersion":null,"uniforms":{"diffuse":{"type":"c","value":16777215},"opacity":{"value":1},"map":{"value":null},"mapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaMap":{"value":null},"alphaMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"alphaTest":{"value":0},"envMap":{"value":null},"flipEnvMap":{"value":-1},"reflectivity":{"value":1},"ior":{"value":1.5},"refractionRatio":{"value":0.98},"aoMap":{"value":null},"aoMapIntensity":{"value":1},"aoMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"lightMap":{"value":null},"lightMapIntensity":{"value":1},"lightMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"emissiveMap":{"value":null},"emissiveMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpMap":{"value":null},"bumpMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"bumpScale":{"value":1},"normalMap":{"value":null},"normalMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"normalScale":{"type":"v2","value":[1,1]},"displacementMap":{"value":null},"displacementMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"displacementScale":{"value":1},"displacementBias":{"value":0},"roughnessMap":{"value":null},"roughnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"metalnessMap":{"value":null},"metalnessMapTransform":{"type":"m3","value":[1,0,0,0,1,0,0,0,1]},"fogDensity":{"value":0.00025},"fogNear":{"value":1},"fogFar":{"value":2000},"fogColor":{"type":"c","value":16777215},"ambientLightColor":{"value":[]},"lightProbe":{"value":[]},"directionalLights":{"value":[]},"directionalLightShadows":{"value":[]},"directionalShadowMap":{"value":[]},"directionalShadowMatrix":{"value":[]},"spotLights":{"value":[]},"spotLightShadows":{"value":[]},"spotLightMap":{"value":[]},"spotShadowMap":{"value":[]},"spotLightMatrix":{"value":[]},"pointLights":{"value":[]},"pointLightShadows":{"value":[]},"pointShadowMap":{"value":[]},"pointShadowMatrix":{"value":[]},"hemisphereLights":{"value":[]},"rectAreaLights":{"value":[]},"ltc_1":{"value":null},"ltc_2":{"value":null},"emissive":{"type":"c","value":0},"roughness":{"value":1},"metalness":{"value":0},"envMapIntensity":{"value":1},"MAX_STEPS":{"value":100},"MAX_DIST":{"value":100},"SURF_DIST":{"value":0.001},"NORMALS_BIAS":{"value":0.01},"SHADOW_BIAS":{"value":0},"debugMinSteps":{"value":0},"debugMaxSteps":{"value":128},"debugMinDepth":{"value":0},"debugMaxDepth":{"value":128},"shadowDistanceMin":{"value":0},"shadowDistanceMax":{"value":100},"shadowDepthMin":{"value":0},"shadowDepthMax":{"value":100},"envMapRotationY":{"value":0},"spotLightsRayMarching":{"value":[{"penumbra":0,"shadowBiasAngle":0.01,"shadowBiasDistance":0.1}]},"directionalLightsRayMarching":{"value":[]},"pointLightsRayMarching":{"value":[]}},"defines":{"SHADOW_DISTANCE":1},"vertexShader":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","fragmentShader":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n// --- applyMaterial function definition\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}","lights":false,"clipping":false},"onBeforeCompileDataJSONWithoutShaders":{"paramConfigs":[{"type":"node_path","name":"textureSDF1","defaultValue":"","uniformName":"v_POLY_textureSDF_textureSDF1"},{"type":"vector3","name":"textureSDF1BoundMax","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMax"},{"type":"vector3","name":"textureSDF1BoundMin","defaultValue":[0,0,0],"uniformName":"v_POLY_param_textureSDF1BoundMin"}],"timeDependent":true,"resolutionDependent":false,"raymarchingLightsWorldCoordsDependent":true}}}}}}},"box1":{"type":"box","params":{"sizes":[2,1,2],"center":[0,0.5,0]}},"boxLines1":{"type":"boxLines","inputs":["material1"]},"fileGLTF1":{"type":"fileGLTF","params":{"url":"https://raw.githubusercontent.com/polygonjs/polygonjs-assets/master/models/resources/threedscans.com/rhino.glb"}},"material1":{"type":"material","params":{"material":"../MAT/rayMarchingBuilder1"},"inputs":["box1"],"flags":{"display":true}},"material2":{"type":"material","params":{"material":"../MAT/meshStandard1"},"inputs":["fileGLTF1"]},"merge1":{"type":"merge","inputs":["material1","boxLines1"]}},"params":{"CADLinearTolerance":{"overriden_options":{"callback":"{}"}},"CADAngularTolerance":{"overriden_options":{"callback":"{}"}},"CADCurveAbscissa":{"overriden_options":{"callback":"{}"}},"CADCurveTolerance":{"overriden_options":{"callback":"{}"}},"CADDisplayEdges":{"overriden_options":{"callback":"{}"}},"CADEdgesColor":{"overriden_options":{"callback":"{}"}},"CADDisplayMeshes":{"overriden_options":{"callback":"{}"}},"CADMeshesColor":{"overriden_options":{"callback":"{}"}},"CADWireframe":{"overriden_options":{"callback":"{}"}},"CSGFacetAngle":{"overriden_options":{"callback":"{}"}},"CSGLinesColor":{"overriden_options":{"callback":"{}"}},"CSGMeshesColor":{"overriden_options":{"callback":"{}"}},"CSGWireframe":{"overriden_options":{"callback":"{}"}},"QUADTriangles":{"overriden_options":{"callback":"{}"}},"QUADWireframe":{"overriden_options":{"callback":"{}"}},"TetScale":{"overriden_options":{"callback":"{}"}},"TetDisplayLines":{"overriden_options":{"callback":"{}"}},"TetDisplaySharedFaces":{"overriden_options":{"callback":"{}"}},"TetDisplayPoints":{"overriden_options":{"callback":"{}"}},"TetDisplayCenter":{"overriden_options":{"callback":"{}"}},"TetDisplaySphere":{"overriden_options":{"callback":"{}"}}},"flags":{"display":true}}},"params":{"mainCameraPath":"/cameras/cameras:sopGroup/perspectiveCamera1"}},"ui":{"nodes":{"COP":{"pos":[-250,0],"comment":"This node contains the environment map","nodes":{"envMap":{"pos":[50,200]},"imageEnv":{"pos":[50,100]}}},"cameras":{"pos":[100,-250],"comment":"This contains the camera setup.\\nIf the performance of this scene was slow, you could try and enter this node, and un-bypass the cameraRenderer. This will set the pixelRatio from 2 (the default) to 1. Note that you will have to save the scene and reload it when you do so.","nodes":{"cameraControls1":{"pos":[-350,-150],"nodes":{"cameraOrbitControls1":{"pos":[0,0]}}},"cameraRenderer1":{"pos":[-350,100],"comment":"If the performance of this scene was slow, you could try and un-bypass this node. This will set the pixelRatio from 2 (the default) to 1. Note that you will have to save the scene and reload it when you do so.","nodes":{"WebGLRenderer1":{"pos":[0,0]}}},"perspectiveCamera_MAIN":{"pos":[-350,-250]}}},"lights":{"pos":[100,100],"comment":"This contains the light. It is not used when you load the scene, but would be if you were to change the raymarchingBuilder material node","nodes":{"hemisphereLight1":{"pos":[50,0]}}},"raymarchedObject":{"pos":[100,-500],"comment":"This contains the raymarched object, which is the core of this scene.\\nEnter this node to see how it is set up.","selection":["material1"],"nodes":{"COP":{"pos":[-350,400],"comment":"In this node, we both create and load the 3D textures used as SDF in the material","nodes":{"SDFExporter1":{"pos":[-150,-50],"comment":"This node saves the input SDF to disk. Note that it is much more practical to use it from the local app ( https://polygonjs.com/docs/install ) as it will save it right in your textures folder of your current project."},"SDFFromObject1":{"pos":[-150,-400],"comment":"This node creates a 3D texture representing the SDF of an object. \\nNote that it can take a very long time to create an SDF with a small step size. It is therefore recommended to do it and use the SDFExporter and reload it with the SDFFromUrl"},"SDFFromUrl1":{"pos":[-150,250],"comment":"This loads the SDF from a file or url, that was saved from the SDFExporter node. \\nTry and use the presets on the params panel to change the url it loads from"}}},"MAT":{"pos":[-350,200],"comment":"This node contains the RayMarching material node. Dive into it to see how it is set up","nodes":{"meshStandard1":{"pos":[0,0]},"rayMarchingBuilder1":{"pos":[0,250],"comment":"This is the raymarching material node. There are parameters on itself that controls it, as well as nodes inside.\\n\\nIf you want to change the texture used as SDF, go to its \"advanced\" tab, scroll down, and edit the \"textureSDF1\" parameter.\\n Note that if you change this parameter to point to another node, you need to make sure that the textureSDF1BoundMin and textureSDF1BoundMax are updated accordingly. Instead of editing their expressions manually, you can right click on this node and click on \"mat/rayMarchingBuilder\"->\"Update Texture SDF Bounds\"","nodes":{"SDFContext1":{"pos":[100,0]},"SDFMaterial1":{"pos":[-100,200]},"constant1":{"pos":[-300,200]},"output1":{"pos":[300,0]},"textureSDF1":{"pos":[-600,-650],"comment":"This node is the one that imports the 3D texture that creates the SDF representing the model.\\nIt creates a spare parameter on the raymarching node (the parent of this node), which is used to select the texture node to import."},"textureSDF1BoundMax":{"pos":[-900,-450]},"textureSDF1BoundMin":{"pos":[-900,-650]},"multAdd3":{"pos":[-150,-450]},"globals1":{"pos":[-1750,-150]},"vec3ToFloat1":{"pos":[-1000,250]},"smoothstep1":{"pos":[-600,-150]},"multAdd1":{"pos":[-200,-150]},"multAdd4":{"pos":[-1300,-150]},"multAdd6":{"pos":[-850,-150]},"null1":{"pos":[-1000,-250]},"smoothstep2":{"pos":[-600,0]},"multAdd7":{"pos":[-850,50]},"multAdd5":{"pos":[-1150,0]},"multAdd2":{"pos":[-1150,-250]},"null2":{"pos":[-1000,0]},"max1":{"pos":[-450,-50]},"cycle1":{"pos":[-1550,0]}}}}},"box1":{"pos":[-50,50]},"boxLines1":{"pos":[150,350],"comment":"using a boxLine node is useful when doing the lookdev of a raymarching material, as it allows to display the bounds of the box we are using. Alternatively , If you were to render on a sphere or other object, you could apply a wireframe material to it."},"fileGLTF1":{"pos":[-50,-400]},"material1":{"pos":[-50,200],"comment":"This applies the raymarching builder to the material"},"material2":{"pos":[-50,-250],"comment":"This imports the rhino geometry, which was used to create the 3D texture representing its SDF (signed distance function, which is what allows to create its shape in the raymarching material) "},"merge1":{"pos":[-50,650]}}}}},"shaders":{"/raymarchedObject/MAT/rayMarchingBuilder1":{"vertex":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","fragment":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nfloat dot2( in vec2 v ) { return dot(v,v); }\nfloat dot2( in vec3 v ) { return dot(v,v); }\nfloat ndot( in vec2 a, in vec2 b ) { return a.x*b.x - a.y*b.y; }\n// https://iquilezles.org/articles/distfunctions/\n\n\n/*\n*\n* SDF PRIMITIVES\n*\n*/\nfloat sdSphere( vec3 p, float s )\n{\n\treturn length(p)-s;\n}\nfloat sdCutSphere( vec3 p, float r, float h )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat s = max( (h-r)*q.x*q.x+w*w*(h+r-2.0*q.y), h*q.x-w*q.y );\n\treturn (s<0.0) ? length(q)-r :\n\t\t\t\t(q.x<w) ? h - q.y :\n\t\t\t\t\tlength(q-vec2(w,h));\n}\nfloat sdCutHollowSphere( vec3 p, float r, float h, float t )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\t\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\treturn ((h*q.x<w*q.y) ? length(q-vec2(w,h)) : \n\t\t\t\t\t\t\tabs(length(q)-r) ) - t;\n}\n\nfloat sdBox( vec3 p, vec3 b )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0);\n}\nfloat sdRoundBox( vec3 p, vec3 b, float r )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0) - r;\n}\n\n\nfloat sdBoxFrame( vec3 p, vec3 b, float e )\n{\n\t\tp = abs(p  )-b*0.5;\n\tvec3 q = abs(p+e)-e;\n\treturn min(min(\n\t\tlength(max(vec3(p.x,q.y,q.z),0.0))+min(max(p.x,max(q.y,q.z)),0.0),\n\t\tlength(max(vec3(q.x,p.y,q.z),0.0))+min(max(q.x,max(p.y,q.z)),0.0)),\n\t\tlength(max(vec3(q.x,q.y,p.z),0.0))+min(max(q.x,max(q.y,p.z)),0.0));\n}\nfloat sdCapsule( vec3 p, vec3 a, vec3 b, float r )\n{\n\tvec3 pa = p - a, ba = b - a;\n\tfloat h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 );\n\treturn length( pa - ba*h ) - r;\n}\nfloat sdVerticalCapsule( vec3 p, float h, float r )\n{\n\tp.y -= clamp( p.y, 0.0, h );\n\treturn length( p ) - r;\n}\nfloat sdCone( in vec3 p, in vec2 c, float h )\n{\n\t// c is the sin/cos of the angle, h is height\n\t// Alternatively pass q instead of (c,h),\n\t// which is the point at the base in 2D\n\tvec2 q = h*vec2(c.x/c.y,-1.0);\n\n\tvec2 w = vec2( length(p.xz), p.y );\n\tvec2 a = w - q*clamp( dot(w,q)/dot(q,q), 0.0, 1.0 );\n\tvec2 b = w - q*vec2( clamp( w.x/q.x, 0.0, 1.0 ), 1.0 );\n\tfloat k = sign( q.y );\n\tfloat d = min(dot( a, a ),dot(b, b));\n\tfloat s = max( k*(w.x*q.y-w.y*q.x),k*(w.y-q.y)  );\n\treturn sqrt(d)*sign(s);\n}\nfloat sdConeWrapped(vec3 pos, float angle, float height){\n\treturn sdCone(pos, vec2(sin(angle), cos(angle)), height);\n}\nfloat sdRoundCone( vec3 p, float r1, float r2, float h )\n{\n\tfloat b = (r1-r2)/h;\n\tfloat a = sqrt(1.0-b*b);\n\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat k = dot(q,vec2(-b,a));\n\tif( k<0.0 ) return length(q) - r1;\n\tif( k>a*h ) return length(q-vec2(0.0,h)) - r2;\n\treturn dot(q, vec2(a,b) ) - r1;\n}\nfloat sdOctogonPrism( in vec3 p, in float r, float h )\n{\n\tconst vec3 k = vec3(-0.9238795325,  // sqrt(2+sqrt(2))/2 \n\t\t\t\t\t\t0.3826834323,   // sqrt(2-sqrt(2))/2\n\t\t\t\t\t\t0.4142135623 ); // sqrt(2)-1 \n\t// reflections\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(vec2( k.x,k.y),p.xy),0.0)*vec2( k.x,k.y);\n\tp.xy -= 2.0*min(dot(vec2(-k.x,k.y),p.xy),0.0)*vec2(-k.x,k.y);\n\t// polygon side\n\tp.xy -= vec2(clamp(p.x, -k.z*r, k.z*r), r);\n\tvec2 d = vec2( length(p.xy)*sign(p.y), p.z-h );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHexPrism( vec3 p, vec2 h )\n{\n\tconst vec3 k = vec3(-0.8660254, 0.5, 0.57735);\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(k.xy, p.xy), 0.0)*k.xy;\n\tvec2 d = vec2(\n\t\tlength(p.xy-vec2(clamp(p.x,-k.z*h.x,k.z*h.x), h.x))*sign(p.y-h.x),\n\t\tp.z-h.y );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHorseshoe( in vec3 p, in float angle, in float r, in float le, vec2 w )\n{\n\tvec2 c = vec2(cos(angle),sin(angle));\n\tp.x = abs(p.x);\n\tfloat l = length(p.xy);\n\tp.xy = mat2(-c.x, c.y, \n\t\t\tc.y, c.x)*p.xy;\n\tp.xy = vec2((p.y>0.0 || p.x>0.0)?p.x:l*sign(-c.x),\n\t\t\t\t(p.x>0.0)?p.y:l );\n\tp.xy = vec2(p.x,abs(p.y-r))-vec2(le,0.0);\n\t\n\tvec2 q = vec2(length(max(p.xy,0.0)) + min(0.0,max(p.x,p.y)),p.z);\n\tvec2 d = abs(q) - w;\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdTriPrism( vec3 p, vec2 h )\n{\n\tvec3 q = abs(p);\n\treturn max(q.z-h.y,max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5);\n}\nfloat sdPyramid( vec3 p, float h)\n{\n\tfloat m2 = h*h + 0.25;\n\n\tp.xz = abs(p.xz);\n\tp.xz = (p.z>p.x) ? p.zx : p.xz;\n\tp.xz -= 0.5;\n\n\tvec3 q = vec3( p.z, h*p.y - 0.5*p.x, h*p.x + 0.5*p.y);\n\n\tfloat s = max(-q.x,0.0);\n\tfloat t = clamp( (q.y-0.5*p.z)/(m2+0.25), 0.0, 1.0 );\n\n\tfloat a = m2*(q.x+s)*(q.x+s) + q.y*q.y;\n\tfloat b = m2*(q.x+0.5*t)*(q.x+0.5*t) + (q.y-m2*t)*(q.y-m2*t);\n\n\tfloat d2 = min(q.y,-q.x*m2-q.y*0.5) > 0.0 ? 0.0 : min(a,b);\n\n\treturn sqrt( (d2+q.z*q.z)/m2 ) * sign(max(q.z,-p.y));\n}\n\nfloat sdPlane( vec3 p, vec3 n, float h )\n{\n\t// n must be normalized\n\treturn dot(p,n) + h;\n}\n\nfloat sdTorus( vec3 p, vec2 t )\n{\n\tvec2 q = vec2(length(p.xz)-t.x,p.y);\n\treturn length(q)-t.y;\n}\nfloat sdCappedTorus(in vec3 p, in float an, in float ra, in float rb)\n{\n\tvec2 sc = vec2(sin(an),cos(an));\n\tp.x = abs(p.x);\n\tfloat k = (sc.y*p.x>sc.x*p.z) ? dot(p.xz,sc) : length(p.xz);\n\treturn sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;\n}\nfloat sdLink( vec3 p, float le, float r1, float r2 )\n{\n  vec3 q = vec3( p.x, max(abs(p.y)-le,0.0), p.z );\n  return length(vec2(length(q.xy)-r1,q.z)) - r2;\n}\n// c is the sin/cos of the desired cone angle\nfloat sdSolidAngle(vec3 pos, vec2 c, float radius)\n{\n\tvec2 p = vec2( length(pos.xz), pos.y );\n\tfloat l = length(p) - radius;\n\tfloat m = length(p - c*clamp(dot(p,c),0.0,radius) );\n\treturn max(l,m*sign(c.y*p.x-c.x*p.y));\n}\nfloat sdSolidAngleWrapped(vec3 pos, float angle, float radius){\n\treturn sdSolidAngle(pos, vec2(sin(angle), cos(angle)), radius);\n}\nfloat sdTube( vec3 p, float r )\n{\n\treturn length(p.xz)-r;\n}\nfloat sdTubeCapped( vec3 p, float h, float r )\n{\n\tvec2 d = abs(vec2(length(p.xz),p.y)) - vec2(r,h);\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdOctahedron( vec3 p, float s)\n{\n  p = abs(p);\n  float m = p.x+p.y+p.z-s;\n  vec3 q;\n       if( 3.0*p.x < m ) q = p.xyz;\n  else if( 3.0*p.y < m ) q = p.yzx;\n  else if( 3.0*p.z < m ) q = p.zxy;\n  else return m*0.57735027;\n    \n  float k = clamp(0.5*(q.z-q.y+s),0.0,s); \n  return length(vec3(q.x,q.y-s+k,q.z-k)); \n}\nfloat udTriangle( vec3 p, vec3 a, vec3 b, vec3 c, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 ac = a - c; vec3 pc = p - c;\n\tvec3 nor = cross( ba, ac );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(ac,nor),pc))<2.0)\n\t\t?\n\t\tmin( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(ac*clamp(dot(ac,pc)/dot2(ac),0.0,1.0)-pc) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\nfloat udQuad( vec3 p, vec3 a, vec3 b, vec3 c, vec3 d, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 dc = d - c; vec3 pc = p - c;\n\tvec3 ad = a - d; vec3 pd = p - d;\n\tvec3 nor = cross( ba, ad );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(dc,nor),pc)) +\n\t\tsign(dot(cross(ad,nor),pd))<3.0)\n\t\t?\n\t\tmin( min( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(dc*clamp(dot(dc,pc)/dot2(dc),0.0,1.0)-pc) ),\n\t\tdot2(ad*clamp(dot(ad,pd)/dot2(ad),0.0,1.0)-pd) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\n\n/*\n*\n* SDF OPERATIONS\n*\n*/\nfloat SDFUnion( float d1, float d2 ) { return min(d1,d2); }\nfloat SDFSubtract( float d1, float d2 ) { return max(-d1,d2); }\nfloat SDFIntersect( float d1, float d2 ) { return max(d1,d2); }\n\nfloat SDFSmoothUnion( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) - k*h*(1.0-h);\n}\n\nfloat SDFSmoothSubtract( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );\n\treturn mix( d2, -d1, h ) + k*h*(1.0-h);\n}\n\nfloat SDFSmoothIntersect( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) + k*h*(1.0-h);\n}\n\nvec4 SDFElongateFast( in vec3 p, in vec3 h )\n{\n\treturn vec4( p-clamp(p,-h,h), 0.0 );\n}\nvec4 SDFElongateSlow( in vec3 p, in vec3 h )\n{\n\tvec3 q = abs(p)-h;\n\treturn vec4( max(q,0.0), min(max(q.x,max(q.y,q.z)),0.0) );\n}\n\nfloat SDFOnion( in float sdf, in float thickness )\n{\n\treturn abs(sdf)-thickness;\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\nfloat cycle(float val, float val_min, float val_max){\n\tif(val >= val_min && val < val_max){\n\t\treturn val;\n\t} else {\n\t\tfloat range = val_max - val_min;\n\t\tif(val >= val_max){\n\t\t\tfloat delta = (val - val_max);\n\t\t\treturn val_min + mod(delta, range);\n\t\t} else {\n\t\t\tfloat delta = (val_min - val);\n\t\t\treturn val_max - mod(delta, range);\n\t\t}\n\t}\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\nconst int _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1 = 1;\n\n\n// https://stackoverflow.com/questions/23793698/how-to-implement-slerp-in-glsl-hlsl\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t)\n// {\n// \tfloat dotp = dot(normalize(p0), normalize(p1));\n// \tif ((dotp > 0.9999) || (dotp < -0.9999))\n// \t{\n// \t\tif (t<=0.5)\n// \t\t\treturn p0;\n// \t\treturn p1;\n// \t}\n// \tfloat theta = acos(dotp);\n// \tvec4 P = ((p0*sin((1.0-t)*theta) + p1*sin(t*theta)) / sin(theta));\n// \tP.w = 1.0;\n// \treturn P;\n// }\n\n// https://devcry.heiho.net/html/2017/20170521-slerp.html\n// float lerp(float a, float b, float t) {\n// \treturn (1.0 - t) * a + t * b;\n// }\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t){\n// \tvec4 qb = p1;\n\n// \t// cos(a) = dot product\n// \tfloat cos_a = p0.x * qb.x + p0.y * qb.y + p0.z * qb.z + p0.w * qb.w;\n// \tif (cos_a < 0.0f) {\n// \t\tcos_a = -cos_a;\n// \t\tqb = -qb;\n// \t}\n\n// \t// close to zero, cos(a) ~= 1\n// \t// do linear interpolation\n// \tif (cos_a > 0.999) {\n// \t\treturn vec4(\n// \t\t\tlerp(p0.x, qb.x, t),\n// \t\t\tlerp(p0.y, qb.y, t),\n// \t\t\tlerp(p0.z, qb.z, t),\n// \t\t\tlerp(p0.w, qb.w, t)\n// \t\t);\n// \t}\n\n// \tfloat alpha = acos(cos_a);\n// \treturn (p0 * sin(1.0 - t) + p1 * sin(t * alpha)) / sin(alpha);\n// }\n\n// https://stackoverflow.com/questions/62943083/interpolate-between-two-quaternions-the-long-way\nvec4 quatSlerp(vec4 q1, vec4 q2, float t){\n\tfloat angle = acos(dot(q1, q2));\n\tfloat denom = sin(angle);\n\t//check if denom is zero\n\treturn (q1*sin((1.0-t)*angle)+q2*sin(t*angle))/denom;\n}\n// TO CHECK:\n// this page https://www.reddit.com/r/opengl/comments/704la7/glsl_quaternion_library/\n// has a link to a potentially nice pdf:\n// http://web.mit.edu/2.998/www/QuaternionReport1.pdf\n\n// https://github.com/mattatz/ShibuyaCrowd/blob/master/source/shaders/common/quaternion.glsl\nvec4 quatMult(vec4 q1, vec4 q2)\n{\n\treturn vec4(\n\tq1.w * q2.x + q1.x * q2.w + q1.z * q2.y - q1.y * q2.z,\n\tq1.w * q2.y + q1.y * q2.w + q1.x * q2.z - q1.z * q2.x,\n\tq1.w * q2.z + q1.z * q2.w + q1.y * q2.x - q1.x * q2.y,\n\tq1.w * q2.w - q1.x * q2.x - q1.y * q2.y - q1.z * q2.z\n\t);\n}\n// http://glmatrix.net/docs/quat.js.html#line97\n//   let ax = a[0], ay = a[1], az = a[2], aw = a[3];\n\n//   let bx = b[0], by = b[1], bz = b[2], bw = b[3];\n\n//   out[0] = ax * bw + aw * bx + ay * bz - az * by;\n\n//   out[1] = ay * bw + aw * by + az * bx - ax * bz;\n\n//   out[2] = az * bw + aw * bz + ax * by - ay * bx;\n\n//   out[3] = aw * bw - ax * bx - ay * by - az * bz;\n\n//   return out\n\n\n\n// http://www.neilmendoza.com/glsl-rotation-about-an-arbitrary-axis/\nmat4 rotationMatrix(vec3 axis, float angle)\n{\n\taxis = normalize(axis);\n\tfloat s = sin(angle);\n\tfloat c = cos(angle);\n\tfloat oc = 1.0 - c;\n\n \treturn mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s,  oc * axis.z * axis.x + axis.y * s, 0.0, oc * axis.x * axis.y + axis.z * s,  oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s,  0.0, oc * axis.z * axis.x - axis.y * s,  oc * axis.y * axis.z + axis.x * s,  oc * axis.z * axis.z + c, 0.0, 0.0, 0.0, 0.0, 1.0);\n}\n\n// https://www.geeks3d.com/20141201/how-to-rotate-a-vertex-by-a-quaternion-in-glsl/\nvec4 quatFromAxisAngle(vec3 axis, float angle)\n{\n\tvec4 qr;\n\tfloat half_angle = (angle * 0.5); // * 3.14159 / 180.0;\n\tfloat sin_half_angle = sin(half_angle);\n\tqr.x = axis.x * sin_half_angle;\n\tqr.y = axis.y * sin_half_angle;\n\tqr.z = axis.z * sin_half_angle;\n\tqr.w = cos(half_angle);\n\treturn qr;\n}\nvec3 rotateWithAxisAngle(vec3 position, vec3 axis, float angle)\n{\n\tvec4 q = quatFromAxisAngle(axis, angle);\n\tvec3 v = position.xyz;\n\treturn v + 2.0 * cross(q.xyz, cross(q.xyz, v) + q.w * v);\n}\n// vec3 applyQuaternionToVector( vec4 q, vec3 v ){\n// \treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n// }\nvec3 rotateWithQuat( vec3 v, vec4 q )\n{\n\t// vec4 qv = multQuat( quat, vec4(vec, 0.0) );\n\t// return multQuat( qv, vec4(-quat.x, -quat.y, -quat.z, quat.w) ).xyz;\n\treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n}\n// https://github.com/glslify/glsl-look-at/blob/gh-pages/index.glsl\n// mat3 rotation_matrix(vec3 origin, vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target - origin);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n// mat3 rotation_matrix(vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n\nfloat vectorAngle(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 c1 = cross(start, dest);\n\t// We use the dot product of the cross with the Y axis.\n\t// This is a little arbitrary, but can still give a good sense of direction\n\tvec3 y_axis = vec3(0.0, 1.0, 0.0);\n\tfloat d1 = dot(c1, y_axis);\n\tfloat angle = acos(cosTheta) * sign(d1);\n\treturn angle;\n}\n\n// http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-17-quaternions/#i-need-an-equivalent-of-glulookat-how-do-i-orient-an-object-towards-a-point-\nvec4 vectorAlign(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 axis;\n\n\t// if (cosTheta < -1 + 0.001f){\n\t// \t// special case when vectors in opposite directions:\n\t// \t// there is no ideal rotation axis\n\t// \t// So guess one; any will do as long as it's perpendicular to start\n\t// \taxis = cross(vec3(0.0f, 0.0f, 1.0f), start);\n\t// \tif (length2(axis) < 0.01 ) // bad luck, they were parallel, try again!\n\t// \t\taxis = cross(vec3(1.0f, 0.0f, 0.0f), start);\n\n\t// \taxis = normalize(axis);\n\t// \treturn gtx::quaternion::angleAxis(glm::radians(180.0f), axis);\n\t// }\n\tif(cosTheta > (1.0 - 0.0001) || cosTheta < (-1.0 + 0.0001) ){\n\t\taxis = normalize(cross(start, vec3(0.0, 1.0, 0.0)));\n\t\tif (length(axis) < 0.001 ){ // bad luck, they were parallel, try again!\n\t\t\taxis = normalize(cross(start, vec3(1.0, 0.0, 0.0)));\n\t\t}\n\t} else {\n\t\taxis = normalize(cross(start, dest));\n\t}\n\n\tfloat angle = acos(cosTheta);\n\n\treturn quatFromAxisAngle(axis, angle);\n}\nvec4 vectorAlignWithUp(vec3 start, vec3 dest, vec3 up){\n\tvec4 rot1 = vectorAlign(start, dest);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\t// vec3 right = normalize(cross(dest, up));\n\t// up = normalize(cross(right, dest));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(vec3(0.0, 1.0, 0.0), rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(up, newUp);\n\n\t// return rot1;\n\treturn rot2;\n\t// return multQuat(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\n// https://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\nfloat quatToAngle(vec4 q){\n\treturn 2.0 * acos(q.w);\n}\nvec3 quatToAxis(vec4 q){\n\treturn vec3(\n\t\tq.x / sqrt(1.0-q.w*q.w),\n\t\tq.y / sqrt(1.0-q.w*q.w),\n\t\tq.z / sqrt(1.0-q.w*q.w)\n\t);\n}\n\nvec4 align(vec3 dir, vec3 up){\n\tvec3 start_dir = vec3(0.0, 0.0, 1.0);\n\tvec3 start_up = vec3(0.0, 1.0, 0.0);\n\tvec4 rot1 = vectorAlign(start_dir, dir);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\tvec3 right = normalize(cross(dir, up));\n\tif(length(right)<0.001){\n\t\tright = vec3(1.0, 0.0, 0.0);\n\t}\n\tup = normalize(cross(right, dir));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(start_up, rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(normalize(newUp), up);\n\n\t// return rot1;\n\treturn quatMult(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\nstruct EnvMapProps {\n\tvec3 tint;\n\tfloat intensity;\n\tfloat roughness;\n\tfloat fresnel;\n\tfloat fresnelPower;\n};\nuniform sampler2D envMap;\nuniform float envMapIntensity;\nuniform float roughness;\n#ifdef ROTATE_ENV_MAP_Y\n\tuniform float envMapRotationY;\n#endif\nvec3 envMapSample(vec3 rayDir, float envMapRoughness){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = vec3(0.);\n\t// vec2 uv = vec2( atan( -rayDir.z, -rayDir.x ) * RECIPROCAL_PI2 + 0.5, rayDir.y * 0.5 + 0.5 );\n\t// vec3 env = texture2D(map, uv).rgb;\n\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t#ifdef ROTATE_ENV_MAP_Y\n\t\t\trayDir = rotateWithAxisAngle(rayDir, vec3(0.,1.,0.), envMapRotationY);\n\t\t#endif\n\t\tenv = textureCubeUV(envMap, rayDir, envMapRoughness * roughness).rgb;\n\t#endif\n\treturn env;\n}\nvec3 envMapSampleWithFresnel(vec3 rayDir, EnvMapProps envMapProps, vec3 n, vec3 cameraPosition){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = envMapSample(rayDir, envMapProps.roughness);\n\tfloat fresnel = pow(1.-dot(normalize(cameraPosition), n), envMapProps.fresnelPower);\n\tfloat fresnelFactor = (1.-envMapProps.fresnel) + envMapProps.fresnel*fresnel;\n\treturn env * envMapIntensity * envMapProps.tint * envMapProps.intensity * fresnelFactor;\n}\n#define RAYMARCHED_REFRACTIONS 1\n#define RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST 1\n#define RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM 1\n\n\n\n\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nprecision highp sampler3D;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\nuniform vec3 v_POLY_param_textureSDF1BoundMin;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\nuniform vec3 v_POLY_param_textureSDF1BoundMax;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\nuniform float time;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nuniform sampler3D v_POLY_textureSDF_textureSDF1;\n\n\n\n\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\n\tvec3 v_POLY_textureSDF1BoundMin_val = v_POLY_param_textureSDF1BoundMin;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\n\tvec3 v_POLY_textureSDF1BoundMax_val = v_POLY_param_textureSDF1BoundMax;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\n\tvec3 v_POLY_globals1_position = p;\n\tfloat v_POLY_globals1_time = time;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\n\tvec3 v_POLY_textureSDF1_boundCenter = (v_POLY_textureSDF1BoundMax_val + v_POLY_textureSDF1BoundMin_val)*0.5;\n\tvec3 v_POLY_textureSDF1_boundSize = (v_POLY_textureSDF1BoundMax_val - v_POLY_textureSDF1BoundMin_val);\n\tvec3 v_POLY_textureSDF1_positionNormalised = ((p - v_POLY_textureSDF1BoundMin_val) / v_POLY_textureSDF1_boundSize);\n\tfloat v_POLY_textureSDF1_sdBox = sdBox(p-v_POLY_textureSDF1_boundCenter, v_POLY_textureSDF1_boundSize*vec3(1.0, 1.0, 1.0));\n\tfloat v_POLY_textureSDF1_d = v_POLY_textureSDF1_sdBox < 0.01 ? texture(v_POLY_textureSDF_textureSDF1, v_POLY_textureSDF1_positionNormalised - vec3(0.0, 0.0, 0.0)).r : v_POLY_textureSDF1_sdBox;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\n\tfloat v_POLY_cycle1_val = cycle(v_POLY_globals1_time, 0.0, 12.5);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/vec3ToFloat1\n\tfloat v_POLY_vec3ToFloat1_x = v_POLY_globals1_position.x;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd4\n\tfloat v_POLY_multAdd4_val = (0.2*(v_POLY_cycle1_val + 0.0)) + 0.22;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd2\n\tfloat v_POLY_multAdd2_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -1.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd5\n\tfloat v_POLY_multAdd5_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -2.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null1\n\tfloat v_POLY_null1_val = v_POLY_multAdd2_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null2\n\tfloat v_POLY_null2_val = v_POLY_multAdd5_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd6\n\tfloat v_POLY_multAdd6_val = (1.0*(v_POLY_null1_val + 1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd7\n\tfloat v_POLY_multAdd7_val = (1.0*(v_POLY_null2_val + -1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep1\n\tfloat v_POLY_smoothstep1_val = smoothstep(v_POLY_null1_val, v_POLY_multAdd6_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep2\n\tfloat v_POLY_smoothstep2_val = smoothstep(v_POLY_null2_val, v_POLY_multAdd7_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/max1\n\tfloat v_POLY_max1_val = max(v_POLY_smoothstep1_val, v_POLY_smoothstep2_val);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd1\n\tfloat v_POLY_multAdd1_val = (0.31*(v_POLY_max1_val + 0.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd3\n\tfloat v_POLY_multAdd3_val = (1.0*(v_POLY_textureSDF1_d + v_POLY_multAdd1_val)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFContext1\n\tSDFContext v_POLY_SDFContext1_SDFContext = SDFContext(v_POLY_multAdd3_val, 0, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, 0.);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/output1\n\tsdfContext = v_POLY_SDFContext1_SDFContext;\n\n\n\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n\nvec3 applyMaterialWithoutRefraction(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\nvec3 applyMaterialWithoutReflection(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n#ifdef RAYMARCHED_REFLECTIONS\nvec3 GetReflection(vec3 p, vec3 n, vec3 rayDir, float biasMult, float roughness, int reflectionDepth, inout SDFContext sdfContextMain){\n\tbool hitReflection = true;\n\tvec3 reflectedColor = vec3(0.);\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < reflectionDepth; i++) {\n\t\tif(hitReflection){\n\t\t\trayDir = reflect(rayDir, n);\n\t\t\tp += n*SURF_DIST*biasMult;\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, 1.);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\tif( sdfContext.d >= MAX_DIST){\n\t\t\t\thitReflection = false;\n\t\t\t\treflectedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitReflection){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p);\n\t\t\t\tvec3 matCol = applyMaterialWithoutReflection(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\treflectedColor += matCol;\n\t\t\t}\n\t\t}\n\t}\n\t#pragma unroll_loop_end\n\treturn reflectedColor;\n}\n#endif\n\n#ifdef RAYMARCHED_REFRACTIONS\n// xyz for color, w for distanceInsideMedium\nvec4 GetRefractedData(vec3 p, vec3 n, vec3 rayDir, float ior, float biasMult, float roughness, float refractionMaxDist, int refractionDepth, inout SDFContext sdfContextMain){\n\tbool hitRefraction = true;\n\tbool changeSide = true;\n\t#ifdef RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM\n\tfloat side = -1.;\n\t#else\n\tfloat side =  1.;\n\t#endif\n\tfloat iorInverted = 1. / ior;\n\tvec3 refractedColor = vec3(0.);\n\tfloat distanceInsideMedium=0.;\n\tfloat totalRefractedDistance=0.;\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < refractionDepth; i++) {\n\t\tif(hitRefraction){\n\t\t\tfloat currentIor = side<0. ? iorInverted : ior;\n\t\t\tvec3 rayDirPreRefract = rayDir;\n\t\t\trayDir = refract(rayDir, n, currentIor);\n\t\t\tchangeSide = dot(rayDir, rayDir)!=0.;\n\t\t\tif(changeSide == true) {\n\t\t\t\tp -= n*SURF_DIST*(2.+biasMult);\n\t\t\t} else {\n\t\t\t\tp += n*SURF_DIST*(   biasMult);\n\t\t\t\trayDir = reflect(rayDirPreRefract, n);\n\t\t\t}\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, side);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\ttotalRefractedDistance += sdfContext.d;\n\t\t\tif( abs(sdfContext.d) >= MAX_DIST || totalRefractedDistance > refractionMaxDist ){\n\t\t\t\thitRefraction = false;\n\t\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitRefraction){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p) * side;\n\t\t\t\tvec3 matCol = applyMaterialWithoutRefraction(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\trefractedColor = matCol;\n\n\t\t\t\t// same as: side < 0. ? abs(sdfContext.d) : 0.;\n\t\t\t\tdistanceInsideMedium += (side-1.)*-0.5*abs(sdfContext.d);\n\t\t\t\tif( changeSide ){\n\t\t\t\t\tside *= -1.;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t#ifdef RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST\n\t\tif(i == refractionDepth-1){\n\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t}\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\treturn vec4(refractedColor, distanceInsideMedium);\n}\nfloat refractionTint(float baseValue, float tint, float distanceInsideMedium, float absorption){\n\tfloat tintNegated = baseValue-tint;\n\tfloat t = tintNegated*( distanceInsideMedium*absorption );\n\treturn max(baseValue-t, 0.);\n}\nfloat applyRefractionAbsorption(float refractedDataColor, float baseValue, float tint, float distanceInsideMedium, float absorption){\n\treturn refractedDataColor*refractionTint(baseValue, tint, distanceInsideMedium, absorption);\n}\nvec3 applyRefractionAbsorption(vec3 refractedDataColor, vec3 baseValue, vec3 tint, float distanceInsideMedium, float absorption){\n\treturn vec3(\n\t\trefractedDataColor.r * refractionTint(baseValue.r, tint.r, distanceInsideMedium, absorption),\n\t\trefractedDataColor.g * refractionTint(baseValue.g, tint.g, distanceInsideMedium, absorption),\n\t\trefractedDataColor.b * refractionTint(baseValue.b, tint.b, distanceInsideMedium, absorption)\n\t);\n}\n\n#endif\n\nvec3 applyMaterial(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(0.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t\tvec3 refractedColor = vec3(0.);\n\t\tfloat ior = 1.45;\n\t\tfloat biasMult = 2.0;\n\t\tvec3 baseValue = v_POLY_constant1_val;\n\t\tvec3 tint = vec3(0.7764705882352941, 0.5490196078431373, 0.06274509803921569);\n\t\tfloat absorption = 4.7;\n\t\t\t\n\t\n\t\tvec4 refractedData = GetRefractedData(p, n, rayDir, ior, biasMult, 1.0, 100.0, 3, sdfContext);\n\t\trefractedColor = applyRefractionAbsorption(refractedData.rgb, baseValue, tint, refractedData.w, absorption);\n\t\t\t\t;\n\t\n\t\tcol += refractedColor * 2.0;\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}","customDepthMaterial.vertex":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","customDepthMaterial.fragment":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nfloat dot2( in vec2 v ) { return dot(v,v); }\nfloat dot2( in vec3 v ) { return dot(v,v); }\nfloat ndot( in vec2 a, in vec2 b ) { return a.x*b.x - a.y*b.y; }\n// https://iquilezles.org/articles/distfunctions/\n\n\n/*\n*\n* SDF PRIMITIVES\n*\n*/\nfloat sdSphere( vec3 p, float s )\n{\n\treturn length(p)-s;\n}\nfloat sdCutSphere( vec3 p, float r, float h )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat s = max( (h-r)*q.x*q.x+w*w*(h+r-2.0*q.y), h*q.x-w*q.y );\n\treturn (s<0.0) ? length(q)-r :\n\t\t\t\t(q.x<w) ? h - q.y :\n\t\t\t\t\tlength(q-vec2(w,h));\n}\nfloat sdCutHollowSphere( vec3 p, float r, float h, float t )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\t\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\treturn ((h*q.x<w*q.y) ? length(q-vec2(w,h)) : \n\t\t\t\t\t\t\tabs(length(q)-r) ) - t;\n}\n\nfloat sdBox( vec3 p, vec3 b )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0);\n}\nfloat sdRoundBox( vec3 p, vec3 b, float r )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0) - r;\n}\n\n\nfloat sdBoxFrame( vec3 p, vec3 b, float e )\n{\n\t\tp = abs(p  )-b*0.5;\n\tvec3 q = abs(p+e)-e;\n\treturn min(min(\n\t\tlength(max(vec3(p.x,q.y,q.z),0.0))+min(max(p.x,max(q.y,q.z)),0.0),\n\t\tlength(max(vec3(q.x,p.y,q.z),0.0))+min(max(q.x,max(p.y,q.z)),0.0)),\n\t\tlength(max(vec3(q.x,q.y,p.z),0.0))+min(max(q.x,max(q.y,p.z)),0.0));\n}\nfloat sdCapsule( vec3 p, vec3 a, vec3 b, float r )\n{\n\tvec3 pa = p - a, ba = b - a;\n\tfloat h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 );\n\treturn length( pa - ba*h ) - r;\n}\nfloat sdVerticalCapsule( vec3 p, float h, float r )\n{\n\tp.y -= clamp( p.y, 0.0, h );\n\treturn length( p ) - r;\n}\nfloat sdCone( in vec3 p, in vec2 c, float h )\n{\n\t// c is the sin/cos of the angle, h is height\n\t// Alternatively pass q instead of (c,h),\n\t// which is the point at the base in 2D\n\tvec2 q = h*vec2(c.x/c.y,-1.0);\n\n\tvec2 w = vec2( length(p.xz), p.y );\n\tvec2 a = w - q*clamp( dot(w,q)/dot(q,q), 0.0, 1.0 );\n\tvec2 b = w - q*vec2( clamp( w.x/q.x, 0.0, 1.0 ), 1.0 );\n\tfloat k = sign( q.y );\n\tfloat d = min(dot( a, a ),dot(b, b));\n\tfloat s = max( k*(w.x*q.y-w.y*q.x),k*(w.y-q.y)  );\n\treturn sqrt(d)*sign(s);\n}\nfloat sdConeWrapped(vec3 pos, float angle, float height){\n\treturn sdCone(pos, vec2(sin(angle), cos(angle)), height);\n}\nfloat sdRoundCone( vec3 p, float r1, float r2, float h )\n{\n\tfloat b = (r1-r2)/h;\n\tfloat a = sqrt(1.0-b*b);\n\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat k = dot(q,vec2(-b,a));\n\tif( k<0.0 ) return length(q) - r1;\n\tif( k>a*h ) return length(q-vec2(0.0,h)) - r2;\n\treturn dot(q, vec2(a,b) ) - r1;\n}\nfloat sdOctogonPrism( in vec3 p, in float r, float h )\n{\n\tconst vec3 k = vec3(-0.9238795325,  // sqrt(2+sqrt(2))/2 \n\t\t\t\t\t\t0.3826834323,   // sqrt(2-sqrt(2))/2\n\t\t\t\t\t\t0.4142135623 ); // sqrt(2)-1 \n\t// reflections\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(vec2( k.x,k.y),p.xy),0.0)*vec2( k.x,k.y);\n\tp.xy -= 2.0*min(dot(vec2(-k.x,k.y),p.xy),0.0)*vec2(-k.x,k.y);\n\t// polygon side\n\tp.xy -= vec2(clamp(p.x, -k.z*r, k.z*r), r);\n\tvec2 d = vec2( length(p.xy)*sign(p.y), p.z-h );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHexPrism( vec3 p, vec2 h )\n{\n\tconst vec3 k = vec3(-0.8660254, 0.5, 0.57735);\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(k.xy, p.xy), 0.0)*k.xy;\n\tvec2 d = vec2(\n\t\tlength(p.xy-vec2(clamp(p.x,-k.z*h.x,k.z*h.x), h.x))*sign(p.y-h.x),\n\t\tp.z-h.y );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHorseshoe( in vec3 p, in float angle, in float r, in float le, vec2 w )\n{\n\tvec2 c = vec2(cos(angle),sin(angle));\n\tp.x = abs(p.x);\n\tfloat l = length(p.xy);\n\tp.xy = mat2(-c.x, c.y, \n\t\t\tc.y, c.x)*p.xy;\n\tp.xy = vec2((p.y>0.0 || p.x>0.0)?p.x:l*sign(-c.x),\n\t\t\t\t(p.x>0.0)?p.y:l );\n\tp.xy = vec2(p.x,abs(p.y-r))-vec2(le,0.0);\n\t\n\tvec2 q = vec2(length(max(p.xy,0.0)) + min(0.0,max(p.x,p.y)),p.z);\n\tvec2 d = abs(q) - w;\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdTriPrism( vec3 p, vec2 h )\n{\n\tvec3 q = abs(p);\n\treturn max(q.z-h.y,max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5);\n}\nfloat sdPyramid( vec3 p, float h)\n{\n\tfloat m2 = h*h + 0.25;\n\n\tp.xz = abs(p.xz);\n\tp.xz = (p.z>p.x) ? p.zx : p.xz;\n\tp.xz -= 0.5;\n\n\tvec3 q = vec3( p.z, h*p.y - 0.5*p.x, h*p.x + 0.5*p.y);\n\n\tfloat s = max(-q.x,0.0);\n\tfloat t = clamp( (q.y-0.5*p.z)/(m2+0.25), 0.0, 1.0 );\n\n\tfloat a = m2*(q.x+s)*(q.x+s) + q.y*q.y;\n\tfloat b = m2*(q.x+0.5*t)*(q.x+0.5*t) + (q.y-m2*t)*(q.y-m2*t);\n\n\tfloat d2 = min(q.y,-q.x*m2-q.y*0.5) > 0.0 ? 0.0 : min(a,b);\n\n\treturn sqrt( (d2+q.z*q.z)/m2 ) * sign(max(q.z,-p.y));\n}\n\nfloat sdPlane( vec3 p, vec3 n, float h )\n{\n\t// n must be normalized\n\treturn dot(p,n) + h;\n}\n\nfloat sdTorus( vec3 p, vec2 t )\n{\n\tvec2 q = vec2(length(p.xz)-t.x,p.y);\n\treturn length(q)-t.y;\n}\nfloat sdCappedTorus(in vec3 p, in float an, in float ra, in float rb)\n{\n\tvec2 sc = vec2(sin(an),cos(an));\n\tp.x = abs(p.x);\n\tfloat k = (sc.y*p.x>sc.x*p.z) ? dot(p.xz,sc) : length(p.xz);\n\treturn sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;\n}\nfloat sdLink( vec3 p, float le, float r1, float r2 )\n{\n  vec3 q = vec3( p.x, max(abs(p.y)-le,0.0), p.z );\n  return length(vec2(length(q.xy)-r1,q.z)) - r2;\n}\n// c is the sin/cos of the desired cone angle\nfloat sdSolidAngle(vec3 pos, vec2 c, float radius)\n{\n\tvec2 p = vec2( length(pos.xz), pos.y );\n\tfloat l = length(p) - radius;\n\tfloat m = length(p - c*clamp(dot(p,c),0.0,radius) );\n\treturn max(l,m*sign(c.y*p.x-c.x*p.y));\n}\nfloat sdSolidAngleWrapped(vec3 pos, float angle, float radius){\n\treturn sdSolidAngle(pos, vec2(sin(angle), cos(angle)), radius);\n}\nfloat sdTube( vec3 p, float r )\n{\n\treturn length(p.xz)-r;\n}\nfloat sdTubeCapped( vec3 p, float h, float r )\n{\n\tvec2 d = abs(vec2(length(p.xz),p.y)) - vec2(r,h);\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdOctahedron( vec3 p, float s)\n{\n  p = abs(p);\n  float m = p.x+p.y+p.z-s;\n  vec3 q;\n       if( 3.0*p.x < m ) q = p.xyz;\n  else if( 3.0*p.y < m ) q = p.yzx;\n  else if( 3.0*p.z < m ) q = p.zxy;\n  else return m*0.57735027;\n    \n  float k = clamp(0.5*(q.z-q.y+s),0.0,s); \n  return length(vec3(q.x,q.y-s+k,q.z-k)); \n}\nfloat udTriangle( vec3 p, vec3 a, vec3 b, vec3 c, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 ac = a - c; vec3 pc = p - c;\n\tvec3 nor = cross( ba, ac );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(ac,nor),pc))<2.0)\n\t\t?\n\t\tmin( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(ac*clamp(dot(ac,pc)/dot2(ac),0.0,1.0)-pc) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\nfloat udQuad( vec3 p, vec3 a, vec3 b, vec3 c, vec3 d, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 dc = d - c; vec3 pc = p - c;\n\tvec3 ad = a - d; vec3 pd = p - d;\n\tvec3 nor = cross( ba, ad );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(dc,nor),pc)) +\n\t\tsign(dot(cross(ad,nor),pd))<3.0)\n\t\t?\n\t\tmin( min( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(dc*clamp(dot(dc,pc)/dot2(dc),0.0,1.0)-pc) ),\n\t\tdot2(ad*clamp(dot(ad,pd)/dot2(ad),0.0,1.0)-pd) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\n\n/*\n*\n* SDF OPERATIONS\n*\n*/\nfloat SDFUnion( float d1, float d2 ) { return min(d1,d2); }\nfloat SDFSubtract( float d1, float d2 ) { return max(-d1,d2); }\nfloat SDFIntersect( float d1, float d2 ) { return max(d1,d2); }\n\nfloat SDFSmoothUnion( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) - k*h*(1.0-h);\n}\n\nfloat SDFSmoothSubtract( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );\n\treturn mix( d2, -d1, h ) + k*h*(1.0-h);\n}\n\nfloat SDFSmoothIntersect( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) + k*h*(1.0-h);\n}\n\nvec4 SDFElongateFast( in vec3 p, in vec3 h )\n{\n\treturn vec4( p-clamp(p,-h,h), 0.0 );\n}\nvec4 SDFElongateSlow( in vec3 p, in vec3 h )\n{\n\tvec3 q = abs(p)-h;\n\treturn vec4( max(q,0.0), min(max(q.x,max(q.y,q.z)),0.0) );\n}\n\nfloat SDFOnion( in float sdf, in float thickness )\n{\n\treturn abs(sdf)-thickness;\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\nfloat cycle(float val, float val_min, float val_max){\n\tif(val >= val_min && val < val_max){\n\t\treturn val;\n\t} else {\n\t\tfloat range = val_max - val_min;\n\t\tif(val >= val_max){\n\t\t\tfloat delta = (val - val_max);\n\t\t\treturn val_min + mod(delta, range);\n\t\t} else {\n\t\t\tfloat delta = (val_min - val);\n\t\t\treturn val_max - mod(delta, range);\n\t\t}\n\t}\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\nconst int _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1 = 1;\n\n\n// https://stackoverflow.com/questions/23793698/how-to-implement-slerp-in-glsl-hlsl\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t)\n// {\n// \tfloat dotp = dot(normalize(p0), normalize(p1));\n// \tif ((dotp > 0.9999) || (dotp < -0.9999))\n// \t{\n// \t\tif (t<=0.5)\n// \t\t\treturn p0;\n// \t\treturn p1;\n// \t}\n// \tfloat theta = acos(dotp);\n// \tvec4 P = ((p0*sin((1.0-t)*theta) + p1*sin(t*theta)) / sin(theta));\n// \tP.w = 1.0;\n// \treturn P;\n// }\n\n// https://devcry.heiho.net/html/2017/20170521-slerp.html\n// float lerp(float a, float b, float t) {\n// \treturn (1.0 - t) * a + t * b;\n// }\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t){\n// \tvec4 qb = p1;\n\n// \t// cos(a) = dot product\n// \tfloat cos_a = p0.x * qb.x + p0.y * qb.y + p0.z * qb.z + p0.w * qb.w;\n// \tif (cos_a < 0.0f) {\n// \t\tcos_a = -cos_a;\n// \t\tqb = -qb;\n// \t}\n\n// \t// close to zero, cos(a) ~= 1\n// \t// do linear interpolation\n// \tif (cos_a > 0.999) {\n// \t\treturn vec4(\n// \t\t\tlerp(p0.x, qb.x, t),\n// \t\t\tlerp(p0.y, qb.y, t),\n// \t\t\tlerp(p0.z, qb.z, t),\n// \t\t\tlerp(p0.w, qb.w, t)\n// \t\t);\n// \t}\n\n// \tfloat alpha = acos(cos_a);\n// \treturn (p0 * sin(1.0 - t) + p1 * sin(t * alpha)) / sin(alpha);\n// }\n\n// https://stackoverflow.com/questions/62943083/interpolate-between-two-quaternions-the-long-way\nvec4 quatSlerp(vec4 q1, vec4 q2, float t){\n\tfloat angle = acos(dot(q1, q2));\n\tfloat denom = sin(angle);\n\t//check if denom is zero\n\treturn (q1*sin((1.0-t)*angle)+q2*sin(t*angle))/denom;\n}\n// TO CHECK:\n// this page https://www.reddit.com/r/opengl/comments/704la7/glsl_quaternion_library/\n// has a link to a potentially nice pdf:\n// http://web.mit.edu/2.998/www/QuaternionReport1.pdf\n\n// https://github.com/mattatz/ShibuyaCrowd/blob/master/source/shaders/common/quaternion.glsl\nvec4 quatMult(vec4 q1, vec4 q2)\n{\n\treturn vec4(\n\tq1.w * q2.x + q1.x * q2.w + q1.z * q2.y - q1.y * q2.z,\n\tq1.w * q2.y + q1.y * q2.w + q1.x * q2.z - q1.z * q2.x,\n\tq1.w * q2.z + q1.z * q2.w + q1.y * q2.x - q1.x * q2.y,\n\tq1.w * q2.w - q1.x * q2.x - q1.y * q2.y - q1.z * q2.z\n\t);\n}\n// http://glmatrix.net/docs/quat.js.html#line97\n//   let ax = a[0], ay = a[1], az = a[2], aw = a[3];\n\n//   let bx = b[0], by = b[1], bz = b[2], bw = b[3];\n\n//   out[0] = ax * bw + aw * bx + ay * bz - az * by;\n\n//   out[1] = ay * bw + aw * by + az * bx - ax * bz;\n\n//   out[2] = az * bw + aw * bz + ax * by - ay * bx;\n\n//   out[3] = aw * bw - ax * bx - ay * by - az * bz;\n\n//   return out\n\n\n\n// http://www.neilmendoza.com/glsl-rotation-about-an-arbitrary-axis/\nmat4 rotationMatrix(vec3 axis, float angle)\n{\n\taxis = normalize(axis);\n\tfloat s = sin(angle);\n\tfloat c = cos(angle);\n\tfloat oc = 1.0 - c;\n\n \treturn mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s,  oc * axis.z * axis.x + axis.y * s, 0.0, oc * axis.x * axis.y + axis.z * s,  oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s,  0.0, oc * axis.z * axis.x - axis.y * s,  oc * axis.y * axis.z + axis.x * s,  oc * axis.z * axis.z + c, 0.0, 0.0, 0.0, 0.0, 1.0);\n}\n\n// https://www.geeks3d.com/20141201/how-to-rotate-a-vertex-by-a-quaternion-in-glsl/\nvec4 quatFromAxisAngle(vec3 axis, float angle)\n{\n\tvec4 qr;\n\tfloat half_angle = (angle * 0.5); // * 3.14159 / 180.0;\n\tfloat sin_half_angle = sin(half_angle);\n\tqr.x = axis.x * sin_half_angle;\n\tqr.y = axis.y * sin_half_angle;\n\tqr.z = axis.z * sin_half_angle;\n\tqr.w = cos(half_angle);\n\treturn qr;\n}\nvec3 rotateWithAxisAngle(vec3 position, vec3 axis, float angle)\n{\n\tvec4 q = quatFromAxisAngle(axis, angle);\n\tvec3 v = position.xyz;\n\treturn v + 2.0 * cross(q.xyz, cross(q.xyz, v) + q.w * v);\n}\n// vec3 applyQuaternionToVector( vec4 q, vec3 v ){\n// \treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n// }\nvec3 rotateWithQuat( vec3 v, vec4 q )\n{\n\t// vec4 qv = multQuat( quat, vec4(vec, 0.0) );\n\t// return multQuat( qv, vec4(-quat.x, -quat.y, -quat.z, quat.w) ).xyz;\n\treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n}\n// https://github.com/glslify/glsl-look-at/blob/gh-pages/index.glsl\n// mat3 rotation_matrix(vec3 origin, vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target - origin);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n// mat3 rotation_matrix(vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n\nfloat vectorAngle(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 c1 = cross(start, dest);\n\t// We use the dot product of the cross with the Y axis.\n\t// This is a little arbitrary, but can still give a good sense of direction\n\tvec3 y_axis = vec3(0.0, 1.0, 0.0);\n\tfloat d1 = dot(c1, y_axis);\n\tfloat angle = acos(cosTheta) * sign(d1);\n\treturn angle;\n}\n\n// http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-17-quaternions/#i-need-an-equivalent-of-glulookat-how-do-i-orient-an-object-towards-a-point-\nvec4 vectorAlign(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 axis;\n\n\t// if (cosTheta < -1 + 0.001f){\n\t// \t// special case when vectors in opposite directions:\n\t// \t// there is no ideal rotation axis\n\t// \t// So guess one; any will do as long as it's perpendicular to start\n\t// \taxis = cross(vec3(0.0f, 0.0f, 1.0f), start);\n\t// \tif (length2(axis) < 0.01 ) // bad luck, they were parallel, try again!\n\t// \t\taxis = cross(vec3(1.0f, 0.0f, 0.0f), start);\n\n\t// \taxis = normalize(axis);\n\t// \treturn gtx::quaternion::angleAxis(glm::radians(180.0f), axis);\n\t// }\n\tif(cosTheta > (1.0 - 0.0001) || cosTheta < (-1.0 + 0.0001) ){\n\t\taxis = normalize(cross(start, vec3(0.0, 1.0, 0.0)));\n\t\tif (length(axis) < 0.001 ){ // bad luck, they were parallel, try again!\n\t\t\taxis = normalize(cross(start, vec3(1.0, 0.0, 0.0)));\n\t\t}\n\t} else {\n\t\taxis = normalize(cross(start, dest));\n\t}\n\n\tfloat angle = acos(cosTheta);\n\n\treturn quatFromAxisAngle(axis, angle);\n}\nvec4 vectorAlignWithUp(vec3 start, vec3 dest, vec3 up){\n\tvec4 rot1 = vectorAlign(start, dest);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\t// vec3 right = normalize(cross(dest, up));\n\t// up = normalize(cross(right, dest));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(vec3(0.0, 1.0, 0.0), rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(up, newUp);\n\n\t// return rot1;\n\treturn rot2;\n\t// return multQuat(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\n// https://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\nfloat quatToAngle(vec4 q){\n\treturn 2.0 * acos(q.w);\n}\nvec3 quatToAxis(vec4 q){\n\treturn vec3(\n\t\tq.x / sqrt(1.0-q.w*q.w),\n\t\tq.y / sqrt(1.0-q.w*q.w),\n\t\tq.z / sqrt(1.0-q.w*q.w)\n\t);\n}\n\nvec4 align(vec3 dir, vec3 up){\n\tvec3 start_dir = vec3(0.0, 0.0, 1.0);\n\tvec3 start_up = vec3(0.0, 1.0, 0.0);\n\tvec4 rot1 = vectorAlign(start_dir, dir);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\tvec3 right = normalize(cross(dir, up));\n\tif(length(right)<0.001){\n\t\tright = vec3(1.0, 0.0, 0.0);\n\t}\n\tup = normalize(cross(right, dir));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(start_up, rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(normalize(newUp), up);\n\n\t// return rot1;\n\treturn quatMult(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\nstruct EnvMapProps {\n\tvec3 tint;\n\tfloat intensity;\n\tfloat roughness;\n\tfloat fresnel;\n\tfloat fresnelPower;\n};\nuniform sampler2D envMap;\nuniform float envMapIntensity;\nuniform float roughness;\n#ifdef ROTATE_ENV_MAP_Y\n\tuniform float envMapRotationY;\n#endif\nvec3 envMapSample(vec3 rayDir, float envMapRoughness){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = vec3(0.);\n\t// vec2 uv = vec2( atan( -rayDir.z, -rayDir.x ) * RECIPROCAL_PI2 + 0.5, rayDir.y * 0.5 + 0.5 );\n\t// vec3 env = texture2D(map, uv).rgb;\n\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t#ifdef ROTATE_ENV_MAP_Y\n\t\t\trayDir = rotateWithAxisAngle(rayDir, vec3(0.,1.,0.), envMapRotationY);\n\t\t#endif\n\t\tenv = textureCubeUV(envMap, rayDir, envMapRoughness * roughness).rgb;\n\t#endif\n\treturn env;\n}\nvec3 envMapSampleWithFresnel(vec3 rayDir, EnvMapProps envMapProps, vec3 n, vec3 cameraPosition){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = envMapSample(rayDir, envMapProps.roughness);\n\tfloat fresnel = pow(1.-dot(normalize(cameraPosition), n), envMapProps.fresnelPower);\n\tfloat fresnelFactor = (1.-envMapProps.fresnel) + envMapProps.fresnel*fresnel;\n\treturn env * envMapIntensity * envMapProps.tint * envMapProps.intensity * fresnelFactor;\n}\n#define RAYMARCHED_REFRACTIONS 1\n#define RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST 1\n#define RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM 1\n\n\n\n\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nprecision highp sampler3D;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\nuniform vec3 v_POLY_param_textureSDF1BoundMin;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\nuniform vec3 v_POLY_param_textureSDF1BoundMax;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\nuniform float time;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nuniform sampler3D v_POLY_textureSDF_textureSDF1;\n\n\n\n\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\n\tvec3 v_POLY_textureSDF1BoundMin_val = v_POLY_param_textureSDF1BoundMin;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\n\tvec3 v_POLY_textureSDF1BoundMax_val = v_POLY_param_textureSDF1BoundMax;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\n\tvec3 v_POLY_globals1_position = p;\n\tfloat v_POLY_globals1_time = time;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\n\tvec3 v_POLY_textureSDF1_boundCenter = (v_POLY_textureSDF1BoundMax_val + v_POLY_textureSDF1BoundMin_val)*0.5;\n\tvec3 v_POLY_textureSDF1_boundSize = (v_POLY_textureSDF1BoundMax_val - v_POLY_textureSDF1BoundMin_val);\n\tvec3 v_POLY_textureSDF1_positionNormalised = ((p - v_POLY_textureSDF1BoundMin_val) / v_POLY_textureSDF1_boundSize);\n\tfloat v_POLY_textureSDF1_sdBox = sdBox(p-v_POLY_textureSDF1_boundCenter, v_POLY_textureSDF1_boundSize*vec3(1.0, 1.0, 1.0));\n\tfloat v_POLY_textureSDF1_d = v_POLY_textureSDF1_sdBox < 0.01 ? texture(v_POLY_textureSDF_textureSDF1, v_POLY_textureSDF1_positionNormalised - vec3(0.0, 0.0, 0.0)).r : v_POLY_textureSDF1_sdBox;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\n\tfloat v_POLY_cycle1_val = cycle(v_POLY_globals1_time, 0.0, 12.5);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/vec3ToFloat1\n\tfloat v_POLY_vec3ToFloat1_x = v_POLY_globals1_position.x;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd4\n\tfloat v_POLY_multAdd4_val = (0.2*(v_POLY_cycle1_val + 0.0)) + 0.22;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd2\n\tfloat v_POLY_multAdd2_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -1.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd5\n\tfloat v_POLY_multAdd5_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -2.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null1\n\tfloat v_POLY_null1_val = v_POLY_multAdd2_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null2\n\tfloat v_POLY_null2_val = v_POLY_multAdd5_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd6\n\tfloat v_POLY_multAdd6_val = (1.0*(v_POLY_null1_val + 1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd7\n\tfloat v_POLY_multAdd7_val = (1.0*(v_POLY_null2_val + -1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep1\n\tfloat v_POLY_smoothstep1_val = smoothstep(v_POLY_null1_val, v_POLY_multAdd6_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep2\n\tfloat v_POLY_smoothstep2_val = smoothstep(v_POLY_null2_val, v_POLY_multAdd7_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/max1\n\tfloat v_POLY_max1_val = max(v_POLY_smoothstep1_val, v_POLY_smoothstep2_val);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd1\n\tfloat v_POLY_multAdd1_val = (0.31*(v_POLY_max1_val + 0.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd3\n\tfloat v_POLY_multAdd3_val = (1.0*(v_POLY_textureSDF1_d + v_POLY_multAdd1_val)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFContext1\n\tSDFContext v_POLY_SDFContext1_SDFContext = SDFContext(v_POLY_multAdd3_val, 0, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, 0.);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/output1\n\tsdfContext = v_POLY_SDFContext1_SDFContext;\n\n\n\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n\nvec3 applyMaterialWithoutRefraction(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\nvec3 applyMaterialWithoutReflection(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n#ifdef RAYMARCHED_REFLECTIONS\nvec3 GetReflection(vec3 p, vec3 n, vec3 rayDir, float biasMult, float roughness, int reflectionDepth, inout SDFContext sdfContextMain){\n\tbool hitReflection = true;\n\tvec3 reflectedColor = vec3(0.);\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < reflectionDepth; i++) {\n\t\tif(hitReflection){\n\t\t\trayDir = reflect(rayDir, n);\n\t\t\tp += n*SURF_DIST*biasMult;\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, 1.);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\tif( sdfContext.d >= MAX_DIST){\n\t\t\t\thitReflection = false;\n\t\t\t\treflectedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitReflection){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p);\n\t\t\t\tvec3 matCol = applyMaterialWithoutReflection(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\treflectedColor += matCol;\n\t\t\t}\n\t\t}\n\t}\n\t#pragma unroll_loop_end\n\treturn reflectedColor;\n}\n#endif\n\n#ifdef RAYMARCHED_REFRACTIONS\n// xyz for color, w for distanceInsideMedium\nvec4 GetRefractedData(vec3 p, vec3 n, vec3 rayDir, float ior, float biasMult, float roughness, float refractionMaxDist, int refractionDepth, inout SDFContext sdfContextMain){\n\tbool hitRefraction = true;\n\tbool changeSide = true;\n\t#ifdef RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM\n\tfloat side = -1.;\n\t#else\n\tfloat side =  1.;\n\t#endif\n\tfloat iorInverted = 1. / ior;\n\tvec3 refractedColor = vec3(0.);\n\tfloat distanceInsideMedium=0.;\n\tfloat totalRefractedDistance=0.;\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < refractionDepth; i++) {\n\t\tif(hitRefraction){\n\t\t\tfloat currentIor = side<0. ? iorInverted : ior;\n\t\t\tvec3 rayDirPreRefract = rayDir;\n\t\t\trayDir = refract(rayDir, n, currentIor);\n\t\t\tchangeSide = dot(rayDir, rayDir)!=0.;\n\t\t\tif(changeSide == true) {\n\t\t\t\tp -= n*SURF_DIST*(2.+biasMult);\n\t\t\t} else {\n\t\t\t\tp += n*SURF_DIST*(   biasMult);\n\t\t\t\trayDir = reflect(rayDirPreRefract, n);\n\t\t\t}\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, side);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\ttotalRefractedDistance += sdfContext.d;\n\t\t\tif( abs(sdfContext.d) >= MAX_DIST || totalRefractedDistance > refractionMaxDist ){\n\t\t\t\thitRefraction = false;\n\t\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitRefraction){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p) * side;\n\t\t\t\tvec3 matCol = applyMaterialWithoutRefraction(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\trefractedColor = matCol;\n\n\t\t\t\t// same as: side < 0. ? abs(sdfContext.d) : 0.;\n\t\t\t\tdistanceInsideMedium += (side-1.)*-0.5*abs(sdfContext.d);\n\t\t\t\tif( changeSide ){\n\t\t\t\t\tside *= -1.;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t#ifdef RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST\n\t\tif(i == refractionDepth-1){\n\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t}\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\treturn vec4(refractedColor, distanceInsideMedium);\n}\nfloat refractionTint(float baseValue, float tint, float distanceInsideMedium, float absorption){\n\tfloat tintNegated = baseValue-tint;\n\tfloat t = tintNegated*( distanceInsideMedium*absorption );\n\treturn max(baseValue-t, 0.);\n}\nfloat applyRefractionAbsorption(float refractedDataColor, float baseValue, float tint, float distanceInsideMedium, float absorption){\n\treturn refractedDataColor*refractionTint(baseValue, tint, distanceInsideMedium, absorption);\n}\nvec3 applyRefractionAbsorption(vec3 refractedDataColor, vec3 baseValue, vec3 tint, float distanceInsideMedium, float absorption){\n\treturn vec3(\n\t\trefractedDataColor.r * refractionTint(baseValue.r, tint.r, distanceInsideMedium, absorption),\n\t\trefractedDataColor.g * refractionTint(baseValue.g, tint.g, distanceInsideMedium, absorption),\n\t\trefractedDataColor.b * refractionTint(baseValue.b, tint.b, distanceInsideMedium, absorption)\n\t);\n}\n\n#endif\n\nvec3 applyMaterial(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(0.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t\tvec3 refractedColor = vec3(0.);\n\t\tfloat ior = 1.45;\n\t\tfloat biasMult = 2.0;\n\t\tvec3 baseValue = v_POLY_constant1_val;\n\t\tvec3 tint = vec3(0.7764705882352941, 0.5490196078431373, 0.06274509803921569);\n\t\tfloat absorption = 4.7;\n\t\t\t\n\t\n\t\tvec4 refractedData = GetRefractedData(p, n, rayDir, ior, biasMult, 1.0, 100.0, 3, sdfContext);\n\t\trefractedColor = applyRefractionAbsorption(refractedData.rgb, baseValue, tint, refractedData.w, absorption);\n\t\t\t\t;\n\t\n\t\tcol += refractedColor * 2.0;\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}","customDistanceMaterial.vertex":"precision highp float;\nprecision highp int;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#include <common>\n\n// // for depth material\n// varying vec2 vHighPrecisionZW;\n\nvoid main()\t{\n\n\tvModelMatrix = modelMatrix;\n\tvInverseModelMatrix = inverse(modelMatrix);\n\tVViewMatrix = viewMatrix;\n\tvPw = (modelMatrix * vec4( position, 1.0 )).xyz;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t// vHighPrecisionZW = gl_Position.zw;\n}","customDistanceMaterial.fragment":"precision highp float;\nprecision highp int;\n\n// --- applyMaterial constants definition\nuniform int MAX_STEPS;\nuniform float MAX_DIST;\nuniform float SURF_DIST;\nuniform float NORMALS_BIAS;\nuniform float SHADOW_BIAS;\n#define ZERO 0\nuniform float debugMinSteps;\nuniform float debugMaxSteps;\nuniform float debugMinDepth;\nuniform float debugMaxDepth;\n\n#include <common>\n#include <packing>\n#include <lightmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <fog_pars_fragment>\n\n#if defined( SHADOW_DISTANCE )\n\tuniform float shadowDistanceMin;\n\tuniform float shadowDistanceMax;\n#endif \n#if defined( SHADOW_DEPTH )\n\tuniform float shadowDepthMin;\n\tuniform float shadowDepthMax;\n#endif\n\n// varying vec2 vHighPrecisionZW;\n\nvarying vec3 vPw;\nvarying mat4 vModelMatrix;\nvarying mat4 vInverseModelMatrix;\nvarying mat4 VViewMatrix;\n\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform SpotLightRayMarching spotLightsRayMarching[ NUM_SPOT_LIGHTS ];\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\n\t\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\n\t#endif\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform DirectionalLightRayMarching directionalLightsRayMarching[ NUM_DIR_LIGHTS ];\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLightRayMarching {\n\t\tfloat penumbra;\n\t\tfloat shadowBiasAngle;\n\t\tfloat shadowBiasDistance;\n\t};\n\tuniform PointLightRayMarching pointLightsRayMarching[ NUM_POINT_LIGHTS ];\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n#endif\n\n\nstruct SDFContext {\n\tfloat d;\n\tint stepsCount;\n\tint matId;\n\tint matId2;\n\tfloat matBlend;\n};\n\nSDFContext DefaultSDFContext(){\n\treturn SDFContext( 0., 0, 0, 0, 0. );\n}\nint DefaultSDFMaterial(){\n\treturn 0;\n}\n\n// start raymarching builder define code\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nfloat dot2( in vec2 v ) { return dot(v,v); }\nfloat dot2( in vec3 v ) { return dot(v,v); }\nfloat ndot( in vec2 a, in vec2 b ) { return a.x*b.x - a.y*b.y; }\n// https://iquilezles.org/articles/distfunctions/\n\n\n/*\n*\n* SDF PRIMITIVES\n*\n*/\nfloat sdSphere( vec3 p, float s )\n{\n\treturn length(p)-s;\n}\nfloat sdCutSphere( vec3 p, float r, float h )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat s = max( (h-r)*q.x*q.x+w*w*(h+r-2.0*q.y), h*q.x-w*q.y );\n\treturn (s<0.0) ? length(q)-r :\n\t\t\t\t(q.x<w) ? h - q.y :\n\t\t\t\t\tlength(q-vec2(w,h));\n}\nfloat sdCutHollowSphere( vec3 p, float r, float h, float t )\n{\n\t// sampling independent computations (only depend on shape)\n\tfloat w = sqrt(r*r-h*h);\n\t\n\t// sampling dependant computations\n\tvec2 q = vec2( length(p.xz), p.y );\n\treturn ((h*q.x<w*q.y) ? length(q-vec2(w,h)) : \n\t\t\t\t\t\t\tabs(length(q)-r) ) - t;\n}\n\nfloat sdBox( vec3 p, vec3 b )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0);\n}\nfloat sdRoundBox( vec3 p, vec3 b, float r )\n{\n\tvec3 q = abs(p) - b*0.5;\n\treturn length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0) - r;\n}\n\n\nfloat sdBoxFrame( vec3 p, vec3 b, float e )\n{\n\t\tp = abs(p  )-b*0.5;\n\tvec3 q = abs(p+e)-e;\n\treturn min(min(\n\t\tlength(max(vec3(p.x,q.y,q.z),0.0))+min(max(p.x,max(q.y,q.z)),0.0),\n\t\tlength(max(vec3(q.x,p.y,q.z),0.0))+min(max(q.x,max(p.y,q.z)),0.0)),\n\t\tlength(max(vec3(q.x,q.y,p.z),0.0))+min(max(q.x,max(q.y,p.z)),0.0));\n}\nfloat sdCapsule( vec3 p, vec3 a, vec3 b, float r )\n{\n\tvec3 pa = p - a, ba = b - a;\n\tfloat h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 );\n\treturn length( pa - ba*h ) - r;\n}\nfloat sdVerticalCapsule( vec3 p, float h, float r )\n{\n\tp.y -= clamp( p.y, 0.0, h );\n\treturn length( p ) - r;\n}\nfloat sdCone( in vec3 p, in vec2 c, float h )\n{\n\t// c is the sin/cos of the angle, h is height\n\t// Alternatively pass q instead of (c,h),\n\t// which is the point at the base in 2D\n\tvec2 q = h*vec2(c.x/c.y,-1.0);\n\n\tvec2 w = vec2( length(p.xz), p.y );\n\tvec2 a = w - q*clamp( dot(w,q)/dot(q,q), 0.0, 1.0 );\n\tvec2 b = w - q*vec2( clamp( w.x/q.x, 0.0, 1.0 ), 1.0 );\n\tfloat k = sign( q.y );\n\tfloat d = min(dot( a, a ),dot(b, b));\n\tfloat s = max( k*(w.x*q.y-w.y*q.x),k*(w.y-q.y)  );\n\treturn sqrt(d)*sign(s);\n}\nfloat sdConeWrapped(vec3 pos, float angle, float height){\n\treturn sdCone(pos, vec2(sin(angle), cos(angle)), height);\n}\nfloat sdRoundCone( vec3 p, float r1, float r2, float h )\n{\n\tfloat b = (r1-r2)/h;\n\tfloat a = sqrt(1.0-b*b);\n\n\tvec2 q = vec2( length(p.xz), p.y );\n\tfloat k = dot(q,vec2(-b,a));\n\tif( k<0.0 ) return length(q) - r1;\n\tif( k>a*h ) return length(q-vec2(0.0,h)) - r2;\n\treturn dot(q, vec2(a,b) ) - r1;\n}\nfloat sdOctogonPrism( in vec3 p, in float r, float h )\n{\n\tconst vec3 k = vec3(-0.9238795325,  // sqrt(2+sqrt(2))/2 \n\t\t\t\t\t\t0.3826834323,   // sqrt(2-sqrt(2))/2\n\t\t\t\t\t\t0.4142135623 ); // sqrt(2)-1 \n\t// reflections\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(vec2( k.x,k.y),p.xy),0.0)*vec2( k.x,k.y);\n\tp.xy -= 2.0*min(dot(vec2(-k.x,k.y),p.xy),0.0)*vec2(-k.x,k.y);\n\t// polygon side\n\tp.xy -= vec2(clamp(p.x, -k.z*r, k.z*r), r);\n\tvec2 d = vec2( length(p.xy)*sign(p.y), p.z-h );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHexPrism( vec3 p, vec2 h )\n{\n\tconst vec3 k = vec3(-0.8660254, 0.5, 0.57735);\n\tp = abs(p);\n\tp.xy -= 2.0*min(dot(k.xy, p.xy), 0.0)*k.xy;\n\tvec2 d = vec2(\n\t\tlength(p.xy-vec2(clamp(p.x,-k.z*h.x,k.z*h.x), h.x))*sign(p.y-h.x),\n\t\tp.z-h.y );\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdHorseshoe( in vec3 p, in float angle, in float r, in float le, vec2 w )\n{\n\tvec2 c = vec2(cos(angle),sin(angle));\n\tp.x = abs(p.x);\n\tfloat l = length(p.xy);\n\tp.xy = mat2(-c.x, c.y, \n\t\t\tc.y, c.x)*p.xy;\n\tp.xy = vec2((p.y>0.0 || p.x>0.0)?p.x:l*sign(-c.x),\n\t\t\t\t(p.x>0.0)?p.y:l );\n\tp.xy = vec2(p.x,abs(p.y-r))-vec2(le,0.0);\n\t\n\tvec2 q = vec2(length(max(p.xy,0.0)) + min(0.0,max(p.x,p.y)),p.z);\n\tvec2 d = abs(q) - w;\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdTriPrism( vec3 p, vec2 h )\n{\n\tvec3 q = abs(p);\n\treturn max(q.z-h.y,max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5);\n}\nfloat sdPyramid( vec3 p, float h)\n{\n\tfloat m2 = h*h + 0.25;\n\n\tp.xz = abs(p.xz);\n\tp.xz = (p.z>p.x) ? p.zx : p.xz;\n\tp.xz -= 0.5;\n\n\tvec3 q = vec3( p.z, h*p.y - 0.5*p.x, h*p.x + 0.5*p.y);\n\n\tfloat s = max(-q.x,0.0);\n\tfloat t = clamp( (q.y-0.5*p.z)/(m2+0.25), 0.0, 1.0 );\n\n\tfloat a = m2*(q.x+s)*(q.x+s) + q.y*q.y;\n\tfloat b = m2*(q.x+0.5*t)*(q.x+0.5*t) + (q.y-m2*t)*(q.y-m2*t);\n\n\tfloat d2 = min(q.y,-q.x*m2-q.y*0.5) > 0.0 ? 0.0 : min(a,b);\n\n\treturn sqrt( (d2+q.z*q.z)/m2 ) * sign(max(q.z,-p.y));\n}\n\nfloat sdPlane( vec3 p, vec3 n, float h )\n{\n\t// n must be normalized\n\treturn dot(p,n) + h;\n}\n\nfloat sdTorus( vec3 p, vec2 t )\n{\n\tvec2 q = vec2(length(p.xz)-t.x,p.y);\n\treturn length(q)-t.y;\n}\nfloat sdCappedTorus(in vec3 p, in float an, in float ra, in float rb)\n{\n\tvec2 sc = vec2(sin(an),cos(an));\n\tp.x = abs(p.x);\n\tfloat k = (sc.y*p.x>sc.x*p.z) ? dot(p.xz,sc) : length(p.xz);\n\treturn sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;\n}\nfloat sdLink( vec3 p, float le, float r1, float r2 )\n{\n  vec3 q = vec3( p.x, max(abs(p.y)-le,0.0), p.z );\n  return length(vec2(length(q.xy)-r1,q.z)) - r2;\n}\n// c is the sin/cos of the desired cone angle\nfloat sdSolidAngle(vec3 pos, vec2 c, float radius)\n{\n\tvec2 p = vec2( length(pos.xz), pos.y );\n\tfloat l = length(p) - radius;\n\tfloat m = length(p - c*clamp(dot(p,c),0.0,radius) );\n\treturn max(l,m*sign(c.y*p.x-c.x*p.y));\n}\nfloat sdSolidAngleWrapped(vec3 pos, float angle, float radius){\n\treturn sdSolidAngle(pos, vec2(sin(angle), cos(angle)), radius);\n}\nfloat sdTube( vec3 p, float r )\n{\n\treturn length(p.xz)-r;\n}\nfloat sdTubeCapped( vec3 p, float h, float r )\n{\n\tvec2 d = abs(vec2(length(p.xz),p.y)) - vec2(r,h);\n\treturn min(max(d.x,d.y),0.0) + length(max(d,0.0));\n}\nfloat sdOctahedron( vec3 p, float s)\n{\n  p = abs(p);\n  float m = p.x+p.y+p.z-s;\n  vec3 q;\n       if( 3.0*p.x < m ) q = p.xyz;\n  else if( 3.0*p.y < m ) q = p.yzx;\n  else if( 3.0*p.z < m ) q = p.zxy;\n  else return m*0.57735027;\n    \n  float k = clamp(0.5*(q.z-q.y+s),0.0,s); \n  return length(vec3(q.x,q.y-s+k,q.z-k)); \n}\nfloat udTriangle( vec3 p, vec3 a, vec3 b, vec3 c, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 ac = a - c; vec3 pc = p - c;\n\tvec3 nor = cross( ba, ac );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(ac,nor),pc))<2.0)\n\t\t?\n\t\tmin( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(ac*clamp(dot(ac,pc)/dot2(ac),0.0,1.0)-pc) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\nfloat udQuad( vec3 p, vec3 a, vec3 b, vec3 c, vec3 d, float thickness )\n{\n\tvec3 ba = b - a; vec3 pa = p - a;\n\tvec3 cb = c - b; vec3 pb = p - b;\n\tvec3 dc = d - c; vec3 pc = p - c;\n\tvec3 ad = a - d; vec3 pd = p - d;\n\tvec3 nor = cross( ba, ad );\n\n\treturn - thickness + sqrt(\n\t\t(sign(dot(cross(ba,nor),pa)) +\n\t\tsign(dot(cross(cb,nor),pb)) +\n\t\tsign(dot(cross(dc,nor),pc)) +\n\t\tsign(dot(cross(ad,nor),pd))<3.0)\n\t\t?\n\t\tmin( min( min(\n\t\tdot2(ba*clamp(dot(ba,pa)/dot2(ba),0.0,1.0)-pa),\n\t\tdot2(cb*clamp(dot(cb,pb)/dot2(cb),0.0,1.0)-pb) ),\n\t\tdot2(dc*clamp(dot(dc,pc)/dot2(dc),0.0,1.0)-pc) ),\n\t\tdot2(ad*clamp(dot(ad,pd)/dot2(ad),0.0,1.0)-pd) )\n\t\t:\n\t\tdot(nor,pa)*dot(nor,pa)/dot2(nor) );\n}\n\n/*\n*\n* SDF OPERATIONS\n*\n*/\nfloat SDFUnion( float d1, float d2 ) { return min(d1,d2); }\nfloat SDFSubtract( float d1, float d2 ) { return max(-d1,d2); }\nfloat SDFIntersect( float d1, float d2 ) { return max(d1,d2); }\n\nfloat SDFSmoothUnion( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) - k*h*(1.0-h);\n}\n\nfloat SDFSmoothSubtract( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );\n\treturn mix( d2, -d1, h ) + k*h*(1.0-h);\n}\n\nfloat SDFSmoothIntersect( float d1, float d2, float k ) {\n\tfloat h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );\n\treturn mix( d2, d1, h ) + k*h*(1.0-h);\n}\n\nvec4 SDFElongateFast( in vec3 p, in vec3 h )\n{\n\treturn vec4( p-clamp(p,-h,h), 0.0 );\n}\nvec4 SDFElongateSlow( in vec3 p, in vec3 h )\n{\n\tvec3 q = abs(p)-h;\n\treturn vec4( max(q,0.0), min(max(q.x,max(q.y,q.z)),0.0) );\n}\n\nfloat SDFOnion( in float sdf, in float thickness )\n{\n\treturn abs(sdf)-thickness;\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\nfloat cycle(float val, float val_min, float val_max){\n\tif(val >= val_min && val < val_max){\n\t\treturn val;\n\t} else {\n\t\tfloat range = val_max - val_min;\n\t\tif(val >= val_max){\n\t\t\tfloat delta = (val - val_max);\n\t\t\treturn val_min + mod(delta, range);\n\t\t} else {\n\t\t\tfloat delta = (val_min - val);\n\t\t\treturn val_max - mod(delta, range);\n\t\t}\n\t}\n}\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\nconst int _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1 = 1;\n\n\n// https://stackoverflow.com/questions/23793698/how-to-implement-slerp-in-glsl-hlsl\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t)\n// {\n// \tfloat dotp = dot(normalize(p0), normalize(p1));\n// \tif ((dotp > 0.9999) || (dotp < -0.9999))\n// \t{\n// \t\tif (t<=0.5)\n// \t\t\treturn p0;\n// \t\treturn p1;\n// \t}\n// \tfloat theta = acos(dotp);\n// \tvec4 P = ((p0*sin((1.0-t)*theta) + p1*sin(t*theta)) / sin(theta));\n// \tP.w = 1.0;\n// \treturn P;\n// }\n\n// https://devcry.heiho.net/html/2017/20170521-slerp.html\n// float lerp(float a, float b, float t) {\n// \treturn (1.0 - t) * a + t * b;\n// }\n// vec4 quatSlerp(vec4 p0, vec4 p1, float t){\n// \tvec4 qb = p1;\n\n// \t// cos(a) = dot product\n// \tfloat cos_a = p0.x * qb.x + p0.y * qb.y + p0.z * qb.z + p0.w * qb.w;\n// \tif (cos_a < 0.0f) {\n// \t\tcos_a = -cos_a;\n// \t\tqb = -qb;\n// \t}\n\n// \t// close to zero, cos(a) ~= 1\n// \t// do linear interpolation\n// \tif (cos_a > 0.999) {\n// \t\treturn vec4(\n// \t\t\tlerp(p0.x, qb.x, t),\n// \t\t\tlerp(p0.y, qb.y, t),\n// \t\t\tlerp(p0.z, qb.z, t),\n// \t\t\tlerp(p0.w, qb.w, t)\n// \t\t);\n// \t}\n\n// \tfloat alpha = acos(cos_a);\n// \treturn (p0 * sin(1.0 - t) + p1 * sin(t * alpha)) / sin(alpha);\n// }\n\n// https://stackoverflow.com/questions/62943083/interpolate-between-two-quaternions-the-long-way\nvec4 quatSlerp(vec4 q1, vec4 q2, float t){\n\tfloat angle = acos(dot(q1, q2));\n\tfloat denom = sin(angle);\n\t//check if denom is zero\n\treturn (q1*sin((1.0-t)*angle)+q2*sin(t*angle))/denom;\n}\n// TO CHECK:\n// this page https://www.reddit.com/r/opengl/comments/704la7/glsl_quaternion_library/\n// has a link to a potentially nice pdf:\n// http://web.mit.edu/2.998/www/QuaternionReport1.pdf\n\n// https://github.com/mattatz/ShibuyaCrowd/blob/master/source/shaders/common/quaternion.glsl\nvec4 quatMult(vec4 q1, vec4 q2)\n{\n\treturn vec4(\n\tq1.w * q2.x + q1.x * q2.w + q1.z * q2.y - q1.y * q2.z,\n\tq1.w * q2.y + q1.y * q2.w + q1.x * q2.z - q1.z * q2.x,\n\tq1.w * q2.z + q1.z * q2.w + q1.y * q2.x - q1.x * q2.y,\n\tq1.w * q2.w - q1.x * q2.x - q1.y * q2.y - q1.z * q2.z\n\t);\n}\n// http://glmatrix.net/docs/quat.js.html#line97\n//   let ax = a[0], ay = a[1], az = a[2], aw = a[3];\n\n//   let bx = b[0], by = b[1], bz = b[2], bw = b[3];\n\n//   out[0] = ax * bw + aw * bx + ay * bz - az * by;\n\n//   out[1] = ay * bw + aw * by + az * bx - ax * bz;\n\n//   out[2] = az * bw + aw * bz + ax * by - ay * bx;\n\n//   out[3] = aw * bw - ax * bx - ay * by - az * bz;\n\n//   return out\n\n\n\n// http://www.neilmendoza.com/glsl-rotation-about-an-arbitrary-axis/\nmat4 rotationMatrix(vec3 axis, float angle)\n{\n\taxis = normalize(axis);\n\tfloat s = sin(angle);\n\tfloat c = cos(angle);\n\tfloat oc = 1.0 - c;\n\n \treturn mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s,  oc * axis.z * axis.x + axis.y * s, 0.0, oc * axis.x * axis.y + axis.z * s,  oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s,  0.0, oc * axis.z * axis.x - axis.y * s,  oc * axis.y * axis.z + axis.x * s,  oc * axis.z * axis.z + c, 0.0, 0.0, 0.0, 0.0, 1.0);\n}\n\n// https://www.geeks3d.com/20141201/how-to-rotate-a-vertex-by-a-quaternion-in-glsl/\nvec4 quatFromAxisAngle(vec3 axis, float angle)\n{\n\tvec4 qr;\n\tfloat half_angle = (angle * 0.5); // * 3.14159 / 180.0;\n\tfloat sin_half_angle = sin(half_angle);\n\tqr.x = axis.x * sin_half_angle;\n\tqr.y = axis.y * sin_half_angle;\n\tqr.z = axis.z * sin_half_angle;\n\tqr.w = cos(half_angle);\n\treturn qr;\n}\nvec3 rotateWithAxisAngle(vec3 position, vec3 axis, float angle)\n{\n\tvec4 q = quatFromAxisAngle(axis, angle);\n\tvec3 v = position.xyz;\n\treturn v + 2.0 * cross(q.xyz, cross(q.xyz, v) + q.w * v);\n}\n// vec3 applyQuaternionToVector( vec4 q, vec3 v ){\n// \treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n// }\nvec3 rotateWithQuat( vec3 v, vec4 q )\n{\n\t// vec4 qv = multQuat( quat, vec4(vec, 0.0) );\n\t// return multQuat( qv, vec4(-quat.x, -quat.y, -quat.z, quat.w) ).xyz;\n\treturn v + 2.0 * cross( q.xyz, cross( q.xyz, v ) + q.w * v );\n}\n// https://github.com/glslify/glsl-look-at/blob/gh-pages/index.glsl\n// mat3 rotation_matrix(vec3 origin, vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target - origin);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n// mat3 rotation_matrix(vec3 target, float roll) {\n// \tvec3 rr = vec3(sin(roll), cos(roll), 0.0);\n// \tvec3 ww = normalize(target);\n// \tvec3 uu = normalize(cross(ww, rr));\n// \tvec3 vv = normalize(cross(uu, ww));\n\n// \treturn mat3(uu, vv, ww);\n// }\n\nfloat vectorAngle(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 c1 = cross(start, dest);\n\t// We use the dot product of the cross with the Y axis.\n\t// This is a little arbitrary, but can still give a good sense of direction\n\tvec3 y_axis = vec3(0.0, 1.0, 0.0);\n\tfloat d1 = dot(c1, y_axis);\n\tfloat angle = acos(cosTheta) * sign(d1);\n\treturn angle;\n}\n\n// http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-17-quaternions/#i-need-an-equivalent-of-glulookat-how-do-i-orient-an-object-towards-a-point-\nvec4 vectorAlign(vec3 start, vec3 dest){\n\tstart = normalize(start);\n\tdest = normalize(dest);\n\n\tfloat cosTheta = dot(start, dest);\n\tvec3 axis;\n\n\t// if (cosTheta < -1 + 0.001f){\n\t// \t// special case when vectors in opposite directions:\n\t// \t// there is no ideal rotation axis\n\t// \t// So guess one; any will do as long as it's perpendicular to start\n\t// \taxis = cross(vec3(0.0f, 0.0f, 1.0f), start);\n\t// \tif (length2(axis) < 0.01 ) // bad luck, they were parallel, try again!\n\t// \t\taxis = cross(vec3(1.0f, 0.0f, 0.0f), start);\n\n\t// \taxis = normalize(axis);\n\t// \treturn gtx::quaternion::angleAxis(glm::radians(180.0f), axis);\n\t// }\n\tif(cosTheta > (1.0 - 0.0001) || cosTheta < (-1.0 + 0.0001) ){\n\t\taxis = normalize(cross(start, vec3(0.0, 1.0, 0.0)));\n\t\tif (length(axis) < 0.001 ){ // bad luck, they were parallel, try again!\n\t\t\taxis = normalize(cross(start, vec3(1.0, 0.0, 0.0)));\n\t\t}\n\t} else {\n\t\taxis = normalize(cross(start, dest));\n\t}\n\n\tfloat angle = acos(cosTheta);\n\n\treturn quatFromAxisAngle(axis, angle);\n}\nvec4 vectorAlignWithUp(vec3 start, vec3 dest, vec3 up){\n\tvec4 rot1 = vectorAlign(start, dest);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\t// vec3 right = normalize(cross(dest, up));\n\t// up = normalize(cross(right, dest));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(vec3(0.0, 1.0, 0.0), rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(up, newUp);\n\n\t// return rot1;\n\treturn rot2;\n\t// return multQuat(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\n// https://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\nfloat quatToAngle(vec4 q){\n\treturn 2.0 * acos(q.w);\n}\nvec3 quatToAxis(vec4 q){\n\treturn vec3(\n\t\tq.x / sqrt(1.0-q.w*q.w),\n\t\tq.y / sqrt(1.0-q.w*q.w),\n\t\tq.z / sqrt(1.0-q.w*q.w)\n\t);\n}\n\nvec4 align(vec3 dir, vec3 up){\n\tvec3 start_dir = vec3(0.0, 0.0, 1.0);\n\tvec3 start_up = vec3(0.0, 1.0, 0.0);\n\tvec4 rot1 = vectorAlign(start_dir, dir);\n\tup = normalize(up);\n\n\t// Recompute desiredUp so that it's perpendicular to the direction\n\t// You can skip that part if you really want to force desiredUp\n\tvec3 right = normalize(cross(dir, up));\n\tif(length(right)<0.001){\n\t\tright = vec3(1.0, 0.0, 0.0);\n\t}\n\tup = normalize(cross(right, dir));\n\n\t// Because of the 1rst rotation, the up is probably completely screwed up.\n\t// Find the rotation between the up of the rotated object, and the desired up\n\tvec3 newUp = rotateWithQuat(start_up, rot1);//rot1 * vec3(0.0, 1.0, 0.0);\n\tvec4 rot2 = vectorAlign(normalize(newUp), up);\n\n\t// return rot1;\n\treturn quatMult(rot1, rot2);\n\t// return rot2 * rot1;\n\n}\n\nstruct EnvMapProps {\n\tvec3 tint;\n\tfloat intensity;\n\tfloat roughness;\n\tfloat fresnel;\n\tfloat fresnelPower;\n};\nuniform sampler2D envMap;\nuniform float envMapIntensity;\nuniform float roughness;\n#ifdef ROTATE_ENV_MAP_Y\n\tuniform float envMapRotationY;\n#endif\nvec3 envMapSample(vec3 rayDir, float envMapRoughness){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = vec3(0.);\n\t// vec2 uv = vec2( atan( -rayDir.z, -rayDir.x ) * RECIPROCAL_PI2 + 0.5, rayDir.y * 0.5 + 0.5 );\n\t// vec3 env = texture2D(map, uv).rgb;\n\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t#ifdef ROTATE_ENV_MAP_Y\n\t\t\trayDir = rotateWithAxisAngle(rayDir, vec3(0.,1.,0.), envMapRotationY);\n\t\t#endif\n\t\tenv = textureCubeUV(envMap, rayDir, envMapRoughness * roughness).rgb;\n\t#endif\n\treturn env;\n}\nvec3 envMapSampleWithFresnel(vec3 rayDir, EnvMapProps envMapProps, vec3 n, vec3 cameraPosition){\n\t// http://www.pocketgl.com/reflections/\n\tvec3 env = envMapSample(rayDir, envMapProps.roughness);\n\tfloat fresnel = pow(1.-dot(normalize(cameraPosition), n), envMapProps.fresnelPower);\n\tfloat fresnelFactor = (1.-envMapProps.fresnel) + envMapProps.fresnel*fresnel;\n\treturn env * envMapIntensity * envMapProps.tint * envMapProps.intensity * fresnelFactor;\n}\n#define RAYMARCHED_REFRACTIONS 1\n#define RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST 1\n#define RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM 1\n\n\n\n\n\n\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nprecision highp sampler3D;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\nuniform vec3 v_POLY_param_textureSDF1BoundMin;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\nuniform vec3 v_POLY_param_textureSDF1BoundMax;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\nuniform float time;\n\n// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\nuniform sampler3D v_POLY_textureSDF_textureSDF1;\n\n\n\n\n\n\nSDFContext GetDist(vec3 p) {\n\tSDFContext sdfContext = SDFContext(0., 0, 0, 0, 0.);\n\n\t// start GetDist builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMin\n\tvec3 v_POLY_textureSDF1BoundMin_val = v_POLY_param_textureSDF1BoundMin;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1BoundMax\n\tvec3 v_POLY_textureSDF1BoundMax_val = v_POLY_param_textureSDF1BoundMax;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/globals1\n\tvec3 v_POLY_globals1_position = p;\n\tfloat v_POLY_globals1_time = time;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/textureSDF1\n\tvec3 v_POLY_textureSDF1_boundCenter = (v_POLY_textureSDF1BoundMax_val + v_POLY_textureSDF1BoundMin_val)*0.5;\n\tvec3 v_POLY_textureSDF1_boundSize = (v_POLY_textureSDF1BoundMax_val - v_POLY_textureSDF1BoundMin_val);\n\tvec3 v_POLY_textureSDF1_positionNormalised = ((p - v_POLY_textureSDF1BoundMin_val) / v_POLY_textureSDF1_boundSize);\n\tfloat v_POLY_textureSDF1_sdBox = sdBox(p-v_POLY_textureSDF1_boundCenter, v_POLY_textureSDF1_boundSize*vec3(1.0, 1.0, 1.0));\n\tfloat v_POLY_textureSDF1_d = v_POLY_textureSDF1_sdBox < 0.01 ? texture(v_POLY_textureSDF_textureSDF1, v_POLY_textureSDF1_positionNormalised - vec3(0.0, 0.0, 0.0)).r : v_POLY_textureSDF1_sdBox;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/cycle1\n\tfloat v_POLY_cycle1_val = cycle(v_POLY_globals1_time, 0.0, 12.5);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/vec3ToFloat1\n\tfloat v_POLY_vec3ToFloat1_x = v_POLY_globals1_position.x;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd4\n\tfloat v_POLY_multAdd4_val = (0.2*(v_POLY_cycle1_val + 0.0)) + 0.22;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd2\n\tfloat v_POLY_multAdd2_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -1.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd5\n\tfloat v_POLY_multAdd5_val = (1.0*(v_POLY_multAdd4_val + 0.0)) + -2.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null1\n\tfloat v_POLY_null1_val = v_POLY_multAdd2_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/null2\n\tfloat v_POLY_null2_val = v_POLY_multAdd5_val;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd6\n\tfloat v_POLY_multAdd6_val = (1.0*(v_POLY_null1_val + 1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd7\n\tfloat v_POLY_multAdd7_val = (1.0*(v_POLY_null2_val + -1.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep1\n\tfloat v_POLY_smoothstep1_val = smoothstep(v_POLY_null1_val, v_POLY_multAdd6_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/smoothstep2\n\tfloat v_POLY_smoothstep2_val = smoothstep(v_POLY_null2_val, v_POLY_multAdd7_val, v_POLY_vec3ToFloat1_x);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/max1\n\tfloat v_POLY_max1_val = max(v_POLY_smoothstep1_val, v_POLY_smoothstep2_val);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd1\n\tfloat v_POLY_multAdd1_val = (0.31*(v_POLY_max1_val + 0.0)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/multAdd3\n\tfloat v_POLY_multAdd3_val = (1.0*(v_POLY_textureSDF1_d + v_POLY_multAdd1_val)) + 0.0;\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFContext1\n\tSDFContext v_POLY_SDFContext1_SDFContext = SDFContext(v_POLY_multAdd3_val, 0, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1, 0.);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/output1\n\tsdfContext = v_POLY_SDFContext1_SDFContext;\n\n\n\n\t\n\n\treturn sdfContext;\n}\n\nSDFContext RayMarch(vec3 ro, vec3 rd, float side) {\n\tSDFContext dO = SDFContext(0.,0,0,0,0.);\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i<MAX_STEPS; i++) {\n\t\tvec3 p = ro + rd*dO.d;\n\t\tSDFContext sdfContext = GetDist(p);\n\t\tdO.d += sdfContext.d * side;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tdO.stepsCount += 1;\n\t\t#endif\n\t\tdO.matId = sdfContext.matId;\n\t\tdO.matId2 = sdfContext.matId2;\n\t\tdO.matBlend = sdfContext.matBlend;\n\t\tif(dO.d>MAX_DIST || abs(sdfContext.d)<SURF_DIST) break;\n\t}\n\t#pragma unroll_loop_end\n\n\treturn dO;\n}\n\nvec3 GetNormal(vec3 p) {\n\tSDFContext sdfContext = GetDist(p);\n\tvec2 e = vec2(NORMALS_BIAS, 0);\n\n\tvec3 n = sdfContext.d - vec3(\n\t\tGetDist(p-e.xyy).d,\n\t\tGetDist(p-e.yxy).d,\n\t\tGetDist(p-e.yyx).d);\n\n\treturn normalize(n);\n}\n// https://iquilezles.org/articles/rmshadows\nfloat calcSoftshadow( in vec3 ro, in vec3 rd, float mint, float maxt, float k, inout SDFContext sdfContext )\n{\n\tfloat res = 1.0;\n\tfloat ph = 1e20;\n\tfor( float t=mint; t<maxt; )\n\t{\n\t\tfloat h = GetDist(ro + rd*t).d;\n\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\tsdfContext.stepsCount += 1;\n\t\t#endif\n\t\tif( h<SURF_DIST )\n\t\t\treturn 0.0;\n\t\tfloat y = h*h/(2.0*ph);\n\t\tfloat d = sqrt(h*h-y*y);\n\t\tres = min( res, k*d/max(0.0,t-y) );\n\t\tph = h;\n\t\tt += h;\n\t}\n\treturn res;\n}\n\nvec3 GetLight(vec3 _p, vec3 _n, inout SDFContext sdfContext) {\n\tvec3 dif = vec3(0.,0.,0.);\n\tGeometricContext geometry;\n\t// geometry.position = _p;\n\t// geometry.normal = _n;\n\t// geometry.viewDir = rayDir;\n\n\t// vec4 mvPosition = vec4( p, 1.0 );\n\t// mvPosition = modelViewMatrix * mvPosition;\n\t// vec3 vViewPosition = - mvPosition.xyz;\n\tvec3 pWorld = ( vModelMatrix * vec4( _p, 1.0 )).xyz;\n\tvec3 nWorld = transformDirection(_n, vModelMatrix);\n\t// geometry.position = (VViewMatrix * vec4( _p, 1.0 )).xyz;\n\tgeometry.position = (VViewMatrix * vec4(pWorld, 1.0 )).xyz;\n\t// geometry.normal = transformDirection(_n, VViewMatrix);\n\t// geometry.normal = inverseTransformDirection(transformDirection(_n, VViewMatrix), vInverseModelMatrix);\n\tgeometry.normal = transformDirection(nWorld, VViewMatrix);\n\tgeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( cameraPosition - geometry.position );\n\n\t#if NUM_SPOT_LIGHTS > 0 || NUM_DIR_LIGHTS > 0 || NUM_HEMI_LIGHTS > 0 || NUM_POINT_LIGHTS > 0 || NUM_RECT_AREA_LIGHTS > 0\n\n\t\tIncidentLight directLight;\n\t\tReflectedLight reflectedLight;\n\t\tvec3 lightPos, lightDir, worldLightDir, objectSpaceLightDir, lighDif, directDiffuse;\n\t\tfloat dotNL, lightDistance;\n\t\t#if NUM_SPOT_LIGHTS > 0\n\t\t\tSpotLightRayMarching spotLightRayMarching;\n\t\t\tSpotLight spotLight;\n\t\t\tfloat spotLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t\t\tSpotLightShadow spotLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\t\t\tspotLightRayMarching = spotLightsRayMarching[ i ];\n\t\t\t\tspotLight = spotLights[ i ];\n\t\t\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\t\t// \tspotLightShadow = spotLightShadows[ i ];\n\t\t\t\t// \tvec4 spotLightShadowCoord = spotLightMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tspotShadowMap[ i ],\n\t\t\t\t// \t\tspotLightShadow.shadowMapSize,\n\t\t\t\t// \t\tspotLightShadow.shadowBias,\n\t\t\t\t// \t\tspotLightShadow.shadowRadius,\n\t\t\t\t// \t\tspotLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightPos = spotLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tlightDistance = distance(geometry.position,lightPos);\n\t\t\t\tspotLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < spotLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t: calcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tspotLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(spotLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * spotLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\t\t#if NUM_DIR_LIGHTS > 0\n\t\t\tDirectionalLightRayMarching directionalLightRayMarching;\n\t\t\tDirectionalLight directionalLight;\n\t\t\tfloat dirLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\t\t\tDirectionalLightShadow directionalLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\t\t\tdirectionalLightRayMarching = directionalLightsRayMarching[ i ];\n\t\t\t\tdirectionalLight = directionalLights[ i ];\n\t\t\t\t\n\t\t\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\n\t\t\t\t// #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\t\t\t// \tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\t\t\t// \tvec4 dirLightShadowCoord = directionalShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t// \tdirectLight.color *= (directLight.visible && receiveShadow) ? getShadow(\n\t\t\t\t// \t\tdirectionalShadowMap[ i ],\n\t\t\t\t// \t\tdirectionalLightShadow.shadowMapSize,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowBias,\n\t\t\t\t// \t\tdirectionalLightShadow.shadowRadius,\n\t\t\t\t// \t\tdirLightShadowCoord\n\t\t\t\t// \t) : 1.0;\n\t\t\t\t// #endif\n\n\t\t\t\tlightDir = directionalLight.direction;\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tdirLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < directionalLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t\t_p,\n\t\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\t\tdirectionalLightRayMarching.shadowBiasDistance,\n\t\t\t\t\t\tMAX_DIST,//distance(geometry.position,lightPos),\n\t\t\t\t\t\t1./max(directionalLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\t\tsdfContext\n\t\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\t// lighDif = directLight.color * dotNL * dirLightSdfShadow;\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * dirLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tHemisphereLight hemiLight;\n\t\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\t\themiLight = hemisphereLights[ i ];\n\t\t\t\tdif += getHemisphereLightIrradiance( hemiLight, geometry.normal ) * BRDF_Lambert( vec3(1.) );\n\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\n\t\t#endif\n\n\t\t#if NUM_POINT_LIGHTS > 0\n\t\t\tPointLightRayMarching pointLightRayMarching;\n\t\t\tPointLight pointLight;\n\t\t\tfloat pointLightSdfShadow;\n\t\t\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\t\t\tPointLightShadow pointLightShadow;\n\t\t\t#endif\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\t\t\tpointLightRayMarching = pointLightsRayMarching[ i ];\n\t\t\t\tpointLight = pointLights[ i ];\n\t\t\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\n\n\t\t\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\t\t\t\tpointLightShadow = pointLightShadows[ i ];\n\t\t\t\t\tvec4 pointLightShadowCoord = pointShadowMatrix[ i ] * vec4(pWorld+SHADOW_BIAS*nWorld, 1.0);\n\t\t\t\t\tdirectLight.color *= (directLight.visible && receiveShadow) ? getPointShadow(\n\t\t\t\t\t\tpointShadowMap[ i ],\n\t\t\t\t\t\tpointLightShadow.shadowMapSize,\n\t\t\t\t\t\tpointLightShadow.shadowBias,\n\t\t\t\t\t\tpointLightShadow.shadowRadius,\n\t\t\t\t\t\tpointLightShadowCoord,\n\t\t\t\t\t\tpointLightShadow.shadowCameraNear,\n\t\t\t\t\t\tpointLightShadow.shadowCameraFar\n\t\t\t\t\t) : 1.0;\n\t\t\t\t#endif\n\n\t\t\t\tlightPos = pointLight.position;\n\t\t\t\tlightDir = normalize(lightPos-geometry.position);\n\t\t\t\tworldLightDir = inverseTransformDirection(lightDir, VViewMatrix);\n\t\t\t\tobjectSpaceLightDir = inverseTransformDirection(worldLightDir, vModelMatrix);\n\t\t\t\tpointLightSdfShadow =\n\t\t\t\t\tdot( _n, objectSpaceLightDir ) < pointLightRayMarching.shadowBiasAngle\n\t\t\t\t\t? 1.\n\t\t\t\t\t:\n\t\t\t\t\tcalcSoftshadow(\n\t\t\t\t\t_p,\n\t\t\t\t\tobjectSpaceLightDir,\n\t\t\t\t\tpointLightRayMarching.shadowBiasDistance,\n\t\t\t\t\tdistance(geometry.position,lightPos),\n\t\t\t\t\t1./max(pointLightRayMarching.penumbra*0.2,0.001),\n\t\t\t\t\tsdfContext\n\t\t\t\t);\n\t\t\t\tdotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\t\t\tdirectDiffuse = dotNL * directLight.color * BRDF_Lambert( vec3(1.) );\n\t\t\t\tdif += directDiffuse * pointLightSdfShadow;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t#endif\n\n\t\t#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\t\t\tRectAreaLight rectAreaLight;\n\t\t\t// AreaLightRayMarching areaLightRayMarching;\n\t\t\tPhysicalMaterial material;\n\t\t\tmaterial.roughness = 1.;\n\t\t\tmaterial.specularColor = vec3(1.);\n\t\t\tmaterial.diffuseColor = vec3(1.);\n\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\t\t\t// areaLightRayMarching = areaLightsRayMarching[ i ];\n\t\t\t\trectAreaLight = rectAreaLights[ i ];\n\t\t\t\t// rectAreaLight.position = areaLightRayMarching.worldPos;\n\n\t\t\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tdif += reflectedLight.directDiffuse;\n\n\t\t#endif\n\t#endif\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\tdif += irradiance;\n\treturn dif;\n}\n\n\n\n\nvec3 applyMaterialWithoutRefraction(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\nvec3 applyMaterialWithoutReflection(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(1.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n#ifdef RAYMARCHED_REFLECTIONS\nvec3 GetReflection(vec3 p, vec3 n, vec3 rayDir, float biasMult, float roughness, int reflectionDepth, inout SDFContext sdfContextMain){\n\tbool hitReflection = true;\n\tvec3 reflectedColor = vec3(0.);\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < reflectionDepth; i++) {\n\t\tif(hitReflection){\n\t\t\trayDir = reflect(rayDir, n);\n\t\t\tp += n*SURF_DIST*biasMult;\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, 1.);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\tif( sdfContext.d >= MAX_DIST){\n\t\t\t\thitReflection = false;\n\t\t\t\treflectedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitReflection){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p);\n\t\t\t\tvec3 matCol = applyMaterialWithoutReflection(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\treflectedColor += matCol;\n\t\t\t}\n\t\t}\n\t}\n\t#pragma unroll_loop_end\n\treturn reflectedColor;\n}\n#endif\n\n#ifdef RAYMARCHED_REFRACTIONS\n// xyz for color, w for distanceInsideMedium\nvec4 GetRefractedData(vec3 p, vec3 n, vec3 rayDir, float ior, float biasMult, float roughness, float refractionMaxDist, int refractionDepth, inout SDFContext sdfContextMain){\n\tbool hitRefraction = true;\n\tbool changeSide = true;\n\t#ifdef RAYMARCHED_REFRACTIONS_START_OUTSIDE_MEDIUM\n\tfloat side = -1.;\n\t#else\n\tfloat side =  1.;\n\t#endif\n\tfloat iorInverted = 1. / ior;\n\tvec3 refractedColor = vec3(0.);\n\tfloat distanceInsideMedium=0.;\n\tfloat totalRefractedDistance=0.;\n\n\t#pragma unroll_loop_start\n\tfor(int i=0; i < refractionDepth; i++) {\n\t\tif(hitRefraction){\n\t\t\tfloat currentIor = side<0. ? iorInverted : ior;\n\t\t\tvec3 rayDirPreRefract = rayDir;\n\t\t\trayDir = refract(rayDir, n, currentIor);\n\t\t\tchangeSide = dot(rayDir, rayDir)!=0.;\n\t\t\tif(changeSide == true) {\n\t\t\t\tp -= n*SURF_DIST*(2.+biasMult);\n\t\t\t} else {\n\t\t\t\tp += n*SURF_DIST*(   biasMult);\n\t\t\t\trayDir = reflect(rayDirPreRefract, n);\n\t\t\t}\n\t\t\tSDFContext sdfContext = RayMarch(p, rayDir, side);\n\t\t\t#if defined( DEBUG_STEPS_COUNT )\n\t\t\t\tsdfContextMain.stepsCount += sdfContext.stepsCount;\n\t\t\t#endif\n\t\t\ttotalRefractedDistance += sdfContext.d;\n\t\t\tif( abs(sdfContext.d) >= MAX_DIST || totalRefractedDistance > refractionMaxDist ){\n\t\t\t\thitRefraction = false;\n\t\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t\t}\n\t\t\tif(hitRefraction){\n\t\t\t\tp += rayDir * sdfContext.d;\n\t\t\t\tn = GetNormal(p) * side;\n\t\t\t\tvec3 matCol = applyMaterialWithoutRefraction(p, n, rayDir, sdfContext.matId, sdfContextMain);\n\t\t\t\trefractedColor = matCol;\n\n\t\t\t\t// same as: side < 0. ? abs(sdfContext.d) : 0.;\n\t\t\t\tdistanceInsideMedium += (side-1.)*-0.5*abs(sdfContext.d);\n\t\t\t\tif( changeSide ){\n\t\t\t\t\tside *= -1.;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t#ifdef RAYMARCHED_REFRACTIONS_SAMPLE_ENV_MAP_ON_LAST\n\t\tif(i == refractionDepth-1){\n\t\t\trefractedColor = envMapSample(rayDir, roughness);\n\t\t}\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\treturn vec4(refractedColor, distanceInsideMedium);\n}\nfloat refractionTint(float baseValue, float tint, float distanceInsideMedium, float absorption){\n\tfloat tintNegated = baseValue-tint;\n\tfloat t = tintNegated*( distanceInsideMedium*absorption );\n\treturn max(baseValue-t, 0.);\n}\nfloat applyRefractionAbsorption(float refractedDataColor, float baseValue, float tint, float distanceInsideMedium, float absorption){\n\treturn refractedDataColor*refractionTint(baseValue, tint, distanceInsideMedium, absorption);\n}\nvec3 applyRefractionAbsorption(vec3 refractedDataColor, vec3 baseValue, vec3 tint, float distanceInsideMedium, float absorption){\n\treturn vec3(\n\t\trefractedDataColor.r * refractionTint(baseValue.r, tint.r, distanceInsideMedium, absorption),\n\t\trefractedDataColor.g * refractionTint(baseValue.g, tint.g, distanceInsideMedium, absorption),\n\t\trefractedDataColor.b * refractionTint(baseValue.b, tint.b, distanceInsideMedium, absorption)\n\t);\n}\n\n#endif\n\nvec3 applyMaterial(vec3 p, vec3 n, vec3 rayDir, int mat, inout SDFContext sdfContext){\n\n\tvec3 col = vec3(0.);\n\t// start applyMaterial builder body code\n\n\n\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/constant1\n\tvec3 v_POLY_constant1_val = vec3(1.0, 1.0, 1.0);\n\t\n\t// /raymarchedObject/MAT/rayMarchingBuilder1/SDFMaterial1\n\tif(mat == _RAYMARCHEDOBJECT_MAT_RAYMARCHINGBUILDER1_SDFMATERIAL1){\n\t\tcol = vec3(0., 0., 0.);\n\t\tvec3 diffuse = v_POLY_constant1_val * vec3(0.0, 0.0, 0.0) * GetLight(p, n, sdfContext);\n\t\tcol += diffuse;\n\t\tcol += vec3(0.0, 0.0, 0.0);\n\t\tvec3 rayDir = normalize(reflect(rayDir, n));\n\t\tEnvMapProps envMapProps;\n\t\tenvMapProps.tint = vec3(1.0, 1.0, 1.0);\n\t\tenvMapProps.intensity = 0.14;\n\t\tenvMapProps.roughness = 1.0;\n\t\tenvMapProps.fresnel = 0.0;\n\t\tenvMapProps.fresnelPower = 5.0;\n\t\tcol += envMapSampleWithFresnel(rayDir, envMapProps, n, cameraPosition);\n\t\n\t\tvec3 refractedColor = vec3(0.);\n\t\tfloat ior = 1.45;\n\t\tfloat biasMult = 2.0;\n\t\tvec3 baseValue = v_POLY_constant1_val;\n\t\tvec3 tint = vec3(0.7764705882352941, 0.5490196078431373, 0.06274509803921569);\n\t\tfloat absorption = 4.7;\n\t\t\t\n\t\n\t\tvec4 refractedData = GetRefractedData(p, n, rayDir, ior, biasMult, 1.0, 100.0, 3, sdfContext);\n\t\trefractedColor = applyRefractionAbsorption(refractedData.rgb, baseValue, tint, refractedData.w, absorption);\n\t\t\t\t;\n\t\n\t\tcol += refractedColor * 2.0;\n\t;\n\t}\n\n\n\n\t\n\treturn col;\n}\n\n\n\n\nvec4 applyShading(vec3 rayOrigin, vec3 rayDir, inout SDFContext sdfContext){\n\tvec3 p = rayOrigin + rayDir * sdfContext.d;\n\tvec3 n = GetNormal(p);\n\t\n\tvec3 col = applyMaterial(p, n, rayDir, sdfContext.matId, sdfContext);\n\tif(sdfContext.matBlend > 0.) {\n\t\t// blend material colors if needed\n\t\tvec3 col2 = applyMaterial(p, n, rayDir, sdfContext.matId2, sdfContext);\n\t\tcol = (1. - sdfContext.matBlend)*col + sdfContext.matBlend*col2;\n\t}\n\t\t\n\t// gamma\n\t//col = pow( col, vec3(0.4545) ); // this gamma leads to a different look than standard materials\n\treturn vec4(col, 1.);\n}\n\nvoid main()\t{\n\n\tvec3 rayDir = normalize(vPw - cameraPosition);\n\trayDir = transformDirection(rayDir, vInverseModelMatrix);\n\tvec3 rayOrigin = (vInverseModelMatrix * vec4( cameraPosition, 1.0 )).xyz;\n\n\tSDFContext sdfContext = RayMarch(rayOrigin, rayDir, 1.);\n\n\t#if defined( DEBUG_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = vec4(normalizedDepth);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DEPTH )\n\t\tfloat normalizedDepth = 1.-(sdfContext.d - debugMinDepth ) / ( debugMaxDepth - debugMinDepth );\n\t\t// float fragCoordZ = sdfContext.d / vHighPrecisionZW[1];\n\t\tfloat compoundedDepth = 0.5 * (normalizedDepth) + 0.5;\n\t\tfloat alpha = sdfContext.d < MAX_DIST ? 0.:1.;\n\t\tgl_FragColor = vec4( vec3(compoundedDepth), alpha );\n\t\t// normalizedDepth = 0.5*normalizedDepth+0.5;\n\t\t// gl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\t// gl_FragColor = vec4(0.);\n\t\treturn;\n\t#endif\n\t#if defined( SHADOW_DISTANCE )\n\t\tfloat normalizedDepth = (sdfContext.d - shadowDistanceMin ) / ( shadowDistanceMax - shadowDistanceMin );\n\t\tnormalizedDepth = saturate(normalizedDepth); // clamp to [0,1]\n\t\tgl_FragColor = packDepthToRGBA( normalizedDepth );\n\t\treturn;\n\t#endif\n\n\tif( sdfContext.d < MAX_DIST ){\n\t\tgl_FragColor = applyShading(rayOrigin, rayDir, sdfContext);\n\t\t#if defined( TONE_MAPPING )\n\t\t\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\t\t#endif\n\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t#ifdef USE_FOG\n\t\t\tfloat vFogDepth = sdfContext.d;\n\t\t\t#ifdef FOG_EXP2\n\t\t\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t\t\t#else\n\t\t\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t\t\t#endif\n\t\t\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\t\t#endif\n\t\t#include <premultiplied_alpha_fragment>\n\t\t#include <dithering_fragment>\n\t} else {\n\t\tgl_FragColor = vec4(0.);\n\t}\n\n\t#if defined( DEBUG_STEPS_COUNT )\n\t\tfloat normalizedStepsCount = (float(sdfContext.stepsCount) - debugMinSteps ) / ( debugMaxSteps - debugMinSteps );\n\t\tgl_FragColor = vec4(normalizedStepsCount, 1.-normalizedStepsCount, 0., 1.);\n\t\treturn;\n\t#endif\n\t\n}"}},"jsFunctionBodies":{}}

Code editor

{"multiple_panel":{"split_ratio":0.5,"split_panel0":{"split_ratio":0.5543217692883486,"split_panel0":{"panelTypes":["viewer"],"currentPanelIndex":0,"panel_data":{"camera":"/cameras/cameras:sopGroup/perspectiveCamera_MAIN","isViewerInitLayoutData":true,"linkIndex":1,"overlayedNetwork":{"allowed":false,"displayed":false,"initLayoutData":{"camera":{"position":{"x":0,"y":0},"zoom":1},"history":{},"paramsDisplayed":false,"linkIndex":1}}}},"split_panel1":{"panelTypes":["params"],"currentPanelIndex":0,"panel_data":{"active_folder":42,"linkIndex":1}},"split_mode":"vertical"},"split_panel1":{"panelTypes":["network","params","viewer"],"currentPanelIndex":0,"panel_data":{"camera":{"position":{"x":-151.80967870750456,"y":109.83655332170568},"zoom":0.9272221069335934},"history":{"2":{"position":{"x":-151.80967870750456,"y":109.83655332170568},"zoom":0.9272221069335934}},"paramsDisplayed":false,"linkIndex":1}},"split_mode":"horizontal"},"currentNodes":["/","/","/","/","/","/","/","/"],"navigationHistory":{"nodePaths":{"1":["/"],"2":["/"],"3":["/"],"4":["/"],"5":["/"],"6":["/"],"7":["/"],"8":["/"]},"index":{"1":17,"2":0,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0}},"fullscreenPanelId":null,"saveOptions":{"createExport":false,"checkRemoteAssetsUse":true,"minimizeFilesCount":false,"compressJs":true,"createZip":false,"runPostExportCommand":false},"paramsModal":[]}

Used nodes

Used operations

Used modules

Used assemblers

Used integrations

Used assets

Nodes map

{"/COP":"obj/copNetwork","/COP/envMap":"cop/envMap","/COP/imageEnv":"cop/imageEXR","/cameras":"obj/geo","/cameras/cameraControls1":"sop/cameraControls","/cameras/cameraControls1/cameraOrbitControls1":"event/cameraOrbitControls","/cameras/cameraRenderer1":"sop/cameraRenderer","/cameras/cameraRenderer1/WebGLRenderer1":"rop/WebGLRenderer","/cameras/perspectiveCamera_MAIN":"sop/perspectiveCamera","/lights":"obj/geo","/lights/hemisphereLight1":"sop/hemisphereLight","/raymarchedObject":"obj/geo","/raymarchedObject/COP":"sop/copNetwork","/raymarchedObject/COP/SDFExporter1":"cop/SDFExporter","/raymarchedObject/COP/SDFFromObject1":"cop/SDFFromObject","/raymarchedObject/COP/SDFFromUrl1":"cop/SDFFromUrl","/raymarchedObject/MAT":"sop/materialsNetwork","/raymarchedObject/MAT/meshStandard1":"mat/meshStandard","/raymarchedObject/MAT/rayMarchingBuilder1":"mat/rayMarchingBuilder","/raymarchedObject/box1":"sop/box","/raymarchedObject/boxLines1":"sop/boxLines","/raymarchedObject/fileGLTF1":"sop/fileGLTF","/raymarchedObject/material1":"sop/material","/raymarchedObject/material2":"sop/material","/raymarchedObject/merge1":"sop/merge"}

Js version

Editor version

Engine version

0%

Web
Analytics