Documentation / Node reference / geo nodes
geo/SDFTriPrism
Creates an SDF triangular prism.
Sdf Primitives
Creates a triangular prism as SDF geometry: an equilateral triangle in the XY plane pointing up, extruded along Z. Its field is a bound rather than an exact distance, under-estimating outside near the edges, which is safe for a raymarch (it never oversteps) and only costs march steps. For an exact field of the same solid, put a geo/SDFEquilateralTriangle2D through geo/SDFExtrude. Wire it to the geo/Output node to see it raymarched, or compose it with other SDF objects through geo/SDFBoolean, geo/SDFRepeat and geo/Transform. Dragging the params never recompiles the preview shader.
Parameters
| Name | Type | What it does |
|---|---|---|
| t | Vector3 | Prism center, at the triangle's centroid. |
| radius | Float | Distance from the center to a vertex: the apex sits that far above the center and the base half of it below. |
| height | Float | Full depth along Z: the prism spans half of it each side of the center. |
See also
This page is generated from the engine, so it describes the release you can download. The same text is in the editor's Help panel next to the node itself.