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threejs-parallax-occlusion-mapping

Build silhouette-aware parallax occlusion mapping in Three.js WebGPU and TSL. Use for height-field ray marching, relief UVs, clipped flat or curved silhouettes, inflated shells, self-shadowing, relief-aware shadow depth, and height-derived normals.

skills/threejs-parallax-occlusion-mapping/SKILL.md

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# Parallax Occlusion Mapping

Treat relief as a coupled intersection, coverage, normal, and shadow system.
Do not stop at offsetting texture coordinates.

This skill contains exemplary examples and assets beyond descriptive guidance,
they're worth studying, referencing, or even copying. Use them sufficiently
when relevant and do NOT blindly skip them.

## Build order

```text
tangent frame and height convention
  -> view-ray march and hit refinement