int MetaScene::calc_mirror_planes()
{
+ std::vector<Vec4> world_planes;
+
int num_mirrors = 0;
while(mirrors) {
FlatMirror *m = mirrors;
FlatMirror *mir = new FlatMirror;
mir->reflect = obj->mtl.reflect;
+ mir->node = obj->node;
if(obj->mtl.flat_mirror == MTL_MIRROR_AUTO) {
// grab the first triangle and make a plane
mir->plane.normal = face.normal;
} else {
int plane_idx = obj->mtl.flat_mirror - MTL_MIRROR_AABB_PX;
- if(obj->node) {
- mir->plane = obj->node->get_bounds().get_plane(plane_idx);
- } else {
- mir->plane = obj->get_aabox().get_plane(plane_idx);
- }
+ mir->plane = obj->get_aabox().get_plane(plane_idx);
debug_log("mirror plane: p(%f %f %f) n(%f %f %f)\n", mir->plane.pt.x, mir->plane.pt.y,
mir->plane.pt.z, mir->plane.normal.x, mir->plane.normal.y, mir->plane.normal.z);
}
+ float pdist = dot(mir->plane.normal, mir->plane.pt);
+ Vec4 plane_eq = Vec4(mir->plane.normal.x, mir->plane.normal.y, mir->plane.normal.z, pdist);
+
+ if(obj->node) {
+ plane_eq = obj->node->get_matrix() * plane_eq;
+ }
+
// check to see if we have found this mirror plane already
bool found = false;
- FlatMirror *node = mirrors;
- while(node) {
- if(1.0f - dot(mir->plane.normal, node->plane.normal) < 1e-4f &&
- fabs(dot(mir->plane.normal, normalize(mir->plane.pt - node->plane.pt))) < 1e-4) {
+ int nplanes = world_planes.size();
+ for(int k=0; k<nplanes; k++) {
+ if(1.0f - dot(plane_eq.xyz(), world_planes[k].xyz()) < 1e-4f &&
+ fabs(plane_eq.w - world_planes[k].w) < 1e-4) {
found = true;
break;
}
- node = node->next;
}
if(!found) {
mir->next = mirrors;
mirrors = mir;
+ world_planes.push_back(plane_eq);
+
+ mir->objects.push_back(obj);
objmirror[obj] = mir; // associate with object
++num_mirrors;
} else {
switch(tolower(caxis)) {
case 'x':
- plane = caxis == '+' ? MTL_MIRROR_AABB_PX : MTL_MIRROR_AABB_NX;
+ plane = csign == '+' ? MTL_MIRROR_AABB_PX : MTL_MIRROR_AABB_NX;
break;
case 'y':
- plane = caxis == '+' ? MTL_MIRROR_AABB_PY : MTL_MIRROR_AABB_NY;
+ plane = csign == '+' ? MTL_MIRROR_AABB_PY : MTL_MIRROR_AABB_NY;
break;
case 'z':
- plane = caxis == '+' ? MTL_MIRROR_AABB_PZ : MTL_MIRROR_AABB_NZ;
+ plane = csign == '+' ? MTL_MIRROR_AABB_PZ : MTL_MIRROR_AABB_NZ;
break;
default:
error_log("invalid reflect plane specifier: %s\n", aplane->val.str);