computeWorldFaceNormals method
Updates worldVertices
and sets worldFaceNormalsNeedsUpdate
to false.
Implementation
void computeWorldFaceNormals(Quaternion quat) {
final N = faceNormals.length;
while (worldFaceNormals.length < N) {
worldFaceNormals.add(Vec3());
}
final normals = faceNormals;
//final worldNormals = worldFaceNormals;
for (int i = 0; i != N; i++) {
quat.vmult(normals[i]!, worldFaceNormals[i]);
}
worldFaceNormalsNeedsUpdate = false;
}