From 441c7291698aa7741228a94b6a6f6add09ff3c1c Mon Sep 17 00:00:00 2001
From: "erwin.coumans" <erwin.coumans@08e121b0-ae19-0410-a57b-3be3395fd4fd>
Date: Sun, 22 Jun 2008 03:15:31 +0000
Subject: [PATCH] Clear the user cache, when re-using an existing contact point
 in the contact cache (btPersistentManifold).

Issues reported here: http://www.bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=2257
---
 .../NarrowPhaseCollision/btPersistentManifold.cpp               | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.cpp b/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.cpp
index 58f5c09c5..702ead716 100644
--- a/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.cpp
+++ b/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.cpp
@@ -175,7 +175,7 @@ void btPersistentManifold::AddManifoldPoint(const btManifoldPoint& newPoint)
 #else
 		insertIndex = 0;
 #endif
-
+		clearUserCache(m_pointCache[insertIndex]);
 		
 	} else
 	{