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btRaycastCallback.h
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00001 /*
00002 Bullet Continuous Collision Detection and Physics Library
00003 Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
00004 
00005 This software is provided 'as-is', without any express or implied warranty.
00006 In no event will the authors be held liable for any damages arising from the use of this software.
00007 Permission is granted to anyone to use this software for any purpose, 
00008 including commercial applications, and to alter it and redistribute it freely, 
00009 subject to the following restrictions:
00010 
00011 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.
00012 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
00013 3. This notice may not be removed or altered from any source distribution.
00014 */
00015 
00016 #ifndef RAYCAST_TRI_CALLBACK_H
00017 #define RAYCAST_TRI_CALLBACK_H
00018 
00019 #include "BulletCollision/CollisionShapes/btTriangleCallback.h"
00020 #include "LinearMath/btTransform.h"
00021 struct btBroadphaseProxy;
00022 class btConvexShape;
00023 
00024 class  btTriangleRaycastCallback: public btTriangleCallback
00025 {
00026 public:
00027 
00028        //input
00029        btVector3 m_from;
00030        btVector3 m_to;
00031 
00032        btScalar      m_hitFraction;
00033 
00034        btTriangleRaycastCallback(const btVector3& from,const btVector3& to);
00035        
00036        virtual void processTriangle(btVector3* triangle, int partId, int triangleIndex);
00037 
00038        virtual btScalar reportHit(const btVector3& hitNormalLocal, btScalar hitFraction, int partId, int triangleIndex ) = 0;
00039        
00040 };
00041 
00042 class btTriangleConvexcastCallback : public btTriangleCallback
00043 {
00044 public:
00045        const btConvexShape* m_convexShape;
00046        btTransform m_convexShapeFrom;
00047        btTransform m_convexShapeTo;
00048        btTransform m_triangleToWorld;
00049        btScalar m_hitFraction;
00050 
00051        btTriangleConvexcastCallback (const btConvexShape* convexShape, const btTransform& convexShapeFrom, const btTransform& convexShapeTo, const btTransform& triangleToWorld);
00052 
00053        virtual void processTriangle (btVector3* triangle, int partId, int triangleIndex);
00054 
00055        virtual btScalar reportHit (const btVector3& hitNormalLocal, const btVector3& hitPointLocal, btScalar hitFraction, int partId, int triangleIndex) = 0;
00056 };
00057 
00058 #endif //RAYCAST_TRI_CALLBACK_H
00059