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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/btMatrix3x3.h"
#include "LinearMath/btPoint3.h"
#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" //for the shape types

///The btCollisionShape class provides an interface for collision shapes that can be shared among btCollisionObjects.
00026 class btCollisionShape

      void* m_userPointer;


      btCollisionShape() : m_userPointer(0)
      virtual ~btCollisionShape()

      ///getAabb returns the axis aligned bounding box in the coordinate frame of the given transform t.
      virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const =0;

      virtual void      getBoundingSphere(btVector3& center,btScalar& radius) const;

      ///getAngularMotionDisc returns the maximus radius needed for Conservative Advancement to handle time-of-impact with rotations.
      virtual btScalar  getAngularMotionDisc() const;

      ///calculateTemporalAabb calculates the enclosing aabb for the moving object over interval [0..timeStep)
      ///result is conservative
      void calculateTemporalAabb(const btTransform& curTrans,const btVector3& linvel,const btVector3& angvel,btScalar timeStep, btVector3& temporalAabbMin,btVector3& temporalAabbMax) const;

#ifndef __SPU__

      SIMD_FORCE_INLINE bool  isPolyhedral() const
            return btBroadphaseProxy::isPolyhedral(getShapeType());

      SIMD_FORCE_INLINE bool  isConvex() const
            return btBroadphaseProxy::isConvex(getShapeType());
      SIMD_FORCE_INLINE bool  isConcave() const
            return btBroadphaseProxy::isConcave(getShapeType());
      SIMD_FORCE_INLINE bool  isCompound() const
            return btBroadphaseProxy::isCompound(getShapeType());

      ///isInfinite is used to catch simulation error (aabb check)
00074       SIMD_FORCE_INLINE bool isInfinite() const
            return btBroadphaseProxy::isInfinite(getShapeType());

      virtual int       getShapeType() const=0;
      virtual void      setLocalScaling(const btVector3& scaling) =0;
      virtual const btVector3& getLocalScaling() const =0;
      virtual void      calculateLocalInertia(btScalar mass,btVector3& inertia) const = 0;

//debugging support
      virtual const char*     getName()const =0 ;
#endif //__SPU__


      virtual void      setMargin(btScalar margin) = 0;
      virtual btScalar  getMargin() const = 0;

      ///optional user data pointer
00096       void  setUserPointer(void* userPtr)
            m_userPointer = userPtr;

      void* getUserPointer() const
            return m_userPointer;



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