| 13 | { |
| 14 | |
| 15 | void InstanceIntersector1::intersect(const Precalculations& pre, RayHit& ray, RayQueryContext* context, const InstancePrimitive& prim) |
| 16 | { |
| 17 | const Instance* instance = prim.instance; |
| 18 | |
| 19 | /* perform ray mask test */ |
| 20 | #if defined(EMBREE_RAY_MASK) |
| 21 | if ((ray.mask & instance->mask) == 0) |
| 22 | return; |
| 23 | #endif |
| 24 | RTCRayQueryContext* user_context = context->user; |
| 25 | if (likely(instance_id_stack::push(user_context, prim.instID_, 0))) |
| 26 | { |
| 27 | const AffineSpace3fa world2local = instance->getWorld2Local(); |
| 28 | const Vec3ff ray_org = ray.org; |
| 29 | const Vec3ff ray_dir = ray.dir; |
| 30 | ray.org = Vec3ff(xfmPoint(world2local, ray_org), ray.tnear()); |
| 31 | ray.dir = Vec3ff(xfmVector(world2local, ray_dir), ray.time()); |
| 32 | RayQueryContext newcontext((Scene*)instance->object, user_context, context->args); |
| 33 | instance->object->intersectors.intersect((RTCRayHit&)ray, &newcontext); |
| 34 | ray.org = ray_org; |
| 35 | ray.dir = ray_dir; |
| 36 | instance_id_stack::pop(user_context); |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | bool InstanceIntersector1::occluded(const Precalculations& pre, Ray& ray, RayQueryContext* context, const InstancePrimitive& prim) |
| 41 | { |