Interface BufferGeometryOptions

Optional per-vertex straight RGBA colors, index-aligned with positions (§53, §60a). Length must be 4 / 3 of positions.length — four floats per vertex — and every value must be finite (§85). Consumed only by a material that opts in (UnlitMaterial.vertexColors).

Optional index buffer. Every entry must be a valid vertex index and the length must be a multiple of the mode's primitive size (§85).

Optional per-vertex joint indices as quadruplets, index-aligned with positions (§53, §54; RFC 0003). Length must be 4 / 3 of positions.length — four influences per vertex — and each entry indexes a Skeleton.bones array this package cannot see (§85 checks the length; the range is the consumers'). Meaningful only together with weights.

Primitive assembly; defaults to "triangles".

Optional per-vertex normals as xyz triplets, index-aligned with positions (§53, §68). Length must equal positions.length and every value must be finite (§85). Unit length is the author's contract — see the module header.

Optional first morph-target normals (NORMAL_1) as xyz triplets, index-aligned with positions (§54). Length must equal positions.length. Bound at attribute location 7.

Vertex positions as xyz triplets — positions[3 * i] is vertex i's x. Length must be a multiple of 3 and every value must be finite (§85).

Optional first morph-target positions (POSITION_1) as xyz triplets, index-aligned with positions (§54 GPU morph path). Length must equal positions.length. Bound at attribute location 6.

Optional per-vertex texture coordinates as uv pairs, index-aligned with positions (§53, §55). Length must be 2 / 3 of positions.length — two floats per vertex — and every value must be finite (§85). v = 0 is the bottom edge; see the module header.

Optional per-vertex joint weights as quadruplets, index-parallel with joints (§53, §54; RFC 0003). Length must be 4 / 3 of positions.length and every value finite (§85); summing to 1 per vertex is the author's contract — see the module header.