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btEmptyShape.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 EMPTY_SHAPE_H
00017 #define EMPTY_SHAPE_H
00018 
00019 #include "btConcaveShape.h"
00020 
00021 #include "LinearMath/btVector3.h"
00022 #include "LinearMath/btTransform.h"
00023 #include "LinearMath/btMatrix3x3.h"
00024 #include "btCollisionMargin.h"
00025 
00026 
00027 
00028 
00031 class btEmptyShape   : public btConcaveShape
00032 {
00033 public:
00034        btEmptyShape();
00035 
00036        virtual ~btEmptyShape();
00037 
00038 
00040        void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
00041 
00042 
00043        virtual void  setLocalScaling(const btVector3& scaling)
00044        {
00045               m_localScaling = scaling;
00046        }
00047        virtual const btVector3& getLocalScaling() const 
00048        {
00049               return m_localScaling;
00050        }
00051 
00052        virtual void  calculateLocalInertia(btScalar mass,btVector3& inertia) const;
00053        
00054        virtual int   getShapeType() const { return EMPTY_SHAPE_PROXYTYPE;}
00055 
00056        
00057        virtual const char*  getName()const
00058        {
00059               return "Empty";
00060        }
00061 
00062 
00063 protected:
00064        btVector3     m_localScaling;
00065 
00066 };
00067 
00068 
00069 
00070 #endif //EMPTY_SHAPE_H