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diff --git a/extern/bullet2/BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.h b/extern/bullet2/BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.h
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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose, 
+including commercial applications, and to alter it and redistribute it freely, 
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+
+#ifndef CONTINUOUS_COLLISION_CONVEX_CAST_H
+#define CONTINUOUS_COLLISION_CONVEX_CAST_H
+
+#include "btConvexCast.h"
+#include "btSimplexSolverInterface.h"
+class btConvexPenetrationDepthSolver;
+class btConvexShape;
+
+/// btContinuousConvexCollision implements angular and linear time of impact for convex objects.
+/// Based on Brian Mirtich's Conservative Advancement idea (PhD thesis).
+/// Algorithm operates in worldspace, in order to keep inbetween motion globally consistent.
+/// It uses GJK at the moment. Future improvement would use minkowski sum / supporting vertex, merging innerloops
+class btContinuousConvexCollision : public btConvexCast
+{
+	btSimplexSolverInterface* m_simplexSolver;
+	btConvexPenetrationDepthSolver*	m_penetrationDepthSolver;
+	const btConvexShape*	m_convexA;
+	const btConvexShape*	m_convexB;
+
+
+public:
+
+	btContinuousConvexCollision (const btConvexShape*	shapeA,const btConvexShape*	shapeB ,btSimplexSolverInterface* simplexSolver,btConvexPenetrationDepthSolver* penetrationDepthSolver);
+
+	virtual bool	calcTimeOfImpact(
+				const btTransform& fromA,
+				const btTransform& toA,
+				const btTransform& fromB,
+				const btTransform& toB,
+				CastResult& result);
+
+
+};
+
+#endif //CONTINUOUS_COLLISION_CONVEX_CAST_H
+