X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=blobdiff_plain;f=src%2Fmetascene.cc;h=09527e9db877c5e2d65edbcebd9fbc71210c075d;hp=c46742032d555b25f150da4eaec4d0aa77fadb6e;hb=5ce504b61cdb88166133d5977a2faad1664c850f;hpb=0d27f859021b4af5dbb5404ef5af012546abf335

diff --git a/src/metascene.cc b/src/metascene.cc
index c467420..09527e9 100644
--- a/src/metascene.cc
+++ b/src/metascene.cc
@@ -223,25 +223,30 @@ int MetaScene::calc_mirror_planes()
 				const Mesh *mesh = ((ObjMesh*)obj)->mesh;
 				if(!mesh) continue;
 
-				// assume the object is actually flat, so grab the first triangle and make a plane
-				Triangle face = Triangle(0, (const Vec3*)mesh->get_attrib_data(MESH_ATTR_VERTEX),
-						mesh->get_index_data());
-				face.calc_normal();
-
 				FlatMirror *mir = new FlatMirror;
-				mir->plane.pt = face.v[0];
-				mir->plane.normal = face.normal;
 				mir->reflect = obj->mtl.reflect;
 
+				if(obj->mtl.flat_mirror == MTL_MIRROR_AUTO) {
+					// assume the object is actually flat, so grab the first triangle and make a plane
+					Triangle face = Triangle(0, (const Vec3*)mesh->get_attrib_data(MESH_ATTR_VERTEX),
+							mesh->get_index_data());
+					face.calc_normal();
+
+					mir->plane.pt = face.v[0];
+					mir->plane.normal = face.normal;
+				} else {
+				}
+
 				// check to see if we have found this mirror plane already
 				bool found = false;
 				FlatMirror *node = mirrors;
 				while(node) {
-					if(fabs(dot(mir->plane.normal, node->plane.normal)) < 1e-4 &&
+					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) {
 						found = true;
 						break;
 					}
+					node = node->next;
 				}
 
 				if(!found) {