message: fixing math bug
diff: @@ -152,7 +152,7 @@ vec4f DRR_shadeSurface(const DistributedRaycastRenderer *uniform self,
  const OBJ *mat = (const OBJ *)dg.material;
  if (mat) {
  foreach_unique (m in mat) {
  - surfaceColor = m->Kd;
  + surfaceColor = surfaceColor * m->Kd;
  opacity = m->d;
  if (valid(m->KdMap)) {
  vec4f kdFromMap = get4f(m->KdMap, dg);
  