Raw terrain attribute arrays for one chunk — position/color/cellIndex are vec3-per-vertex.
position
color
cellIndex
Flat per-face normals; null = not yet computed (compute on assembly).
Per-vertex baked ambient occlusion, 0 (open) → 1 (fully enclosed). One float per vertex.
Raw terrain attribute arrays for one chunk —
position/color/cellIndexare vec3-per-vertex.