From 2dd54dbfd000a28664d8c03ce46dc7ee41b0772f Mon Sep 17 00:00:00 2001
From: ejcoumans <ejcoumans@08e121b0-ae19-0410-a57b-3be3395fd4fd>
Date: Tue, 11 Sep 2007 21:18:45 +0000
Subject: [PATCH] only delete the BVH during re-scaling when we 'own' it.
 Thanks Phil Knight for reporting!

---
 src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp b/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp
index 42530f2bf..cf3a7724a 100644
--- a/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp
+++ b/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp
@@ -177,7 +177,8 @@ void	btBvhTriangleMeshShape::setLocalScaling(const btVector3& scaling)
 	if ((getLocalScaling() -scaling).length2() > SIMD_EPSILON)
 	{
 		btTriangleMeshShape::setLocalScaling(scaling);
-		delete m_bvh;
+		if (m_ownsBvh)
+			delete m_bvh;
 		///m_localAabbMin/m_localAabbMax is already re-calculated in btTriangleMeshShape. We could just scale aabb, but this needs some more work
 		m_bvh = new btOptimizedBvh();
 		//rebuild the bvh...