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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.


#include "../../LinearMath/btTransform.h"
#include "../../LinearMath/btVector3.h"
#include "../../LinearMath/btScalar.h"
class btMinkowskiSumShape;
#include "../../LinearMath/btIDebugDraw.h"

/// btConvexCast is an interface for Casting
00027 class btConvexCast

      virtual ~btConvexCast();

      ///RayResult stores the closest result
      /// alternatively, add a callback method to decide about closest/all results
00036       struct      CastResult
            //virtual bool    addRayResult(const btVector3& normal,btScalar   fraction) = 0;
            virtual void      DebugDraw(btScalar      fraction) {(void)fraction;}
            virtual void      drawCoordSystem(const btTransform& trans) {(void)trans;}


            virtual ~CastResult() {};

            btVector3   m_normal;
            btScalar    m_fraction;
            btTransform m_hitTransformA;
            btTransform m_hitTransformB;

            btIDebugDraw* m_debugDrawer;


      /// cast a convex against another convex object
      virtual bool      calcTimeOfImpact(
                              const btTransform& fromA,
                              const btTransform& toA,
                              const btTransform& fromB,
                              const btTransform& toB,
                              CastResult& result) = 0;

#endif //CONVEX_CAST_H

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