add support for premade aabb in btStridingMeshInterface/btBvhTriangleMeshShape,

Thanks Roy Eltham, http://code.google.com/p/bullet/issues/detail?id=70
2008-08-29 05:39:17 +00:00
parent 80f80df7e3
commit f655eff89f
5 changed files with 47 additions and 5 deletions
--- a/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp
+++ b/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp
@@ -30,7 +30,14 @@ m_ownsBvh(false)
 #ifndef DISABLE_BVH

 	btVector3 bvhAabbMin,bvhAabbMax;
-	meshInterface->calculateAabbBruteForce(bvhAabbMin,bvhAabbMax);
+	if(meshInterface->hasPremadeAabb())
+	{
+		meshInterface->getPremadeAabb(&bvhAabbMin, &bvhAabbMax);
+	}
+	else
+	{
+		meshInterface->calculateAabbBruteForce(bvhAabbMin,bvhAabbMax);
+	}
 	
 	if (buildBvh)
 	{