Face.getAverageNormal()
July 1, 2026 ยท View on GitHub
Computes an area-weighted average normal for the face's triangles in world space.
Usage
const normal = face.getAverageNormal();
Signature
face.getAverageNormal()
Parameters
None.
Returns
THREE.Vector3 - Area-weighted world-space average normal. Returns (0, 1, 0) if the geometry is missing or degenerate.
Use this when a rendered face needs a representative world-space normal.