104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
/*
|
|
Bullet Continuous Collision Detection and Physics Library
|
|
Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
|
|
|
|
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 BT_STATIC_PLANE_SHAPE_H
|
|
#define BT_STATIC_PLANE_SHAPE_H
|
|
|
|
#include "btConcaveShape.h"
|
|
|
|
///The btStaticPlaneShape simulates an infinite non-moving (static) collision plane.
|
|
ATTRIBUTE_ALIGNED16(class)
|
|
btStaticPlaneShape : public btConcaveShape
|
|
{
|
|
protected:
|
|
btVector3 m_localAabbMin;
|
|
btVector3 m_localAabbMax;
|
|
|
|
btVector3 m_planeNormal;
|
|
btScalar m_planeConstant;
|
|
btVector3 m_localScaling;
|
|
|
|
public:
|
|
BT_DECLARE_ALIGNED_ALLOCATOR();
|
|
|
|
btStaticPlaneShape(const btVector3& planeNormal, btScalar planeConstant);
|
|
|
|
virtual ~btStaticPlaneShape();
|
|
|
|
virtual void getAabb(const btTransform& t, btVector3& aabbMin, btVector3& aabbMax) const;
|
|
|
|
virtual void processAllTriangles(btTriangleCallback * callback, const btVector3& aabbMin, const btVector3& aabbMax) const;
|
|
|
|
virtual void calculateLocalInertia(btScalar mass, btVector3 & inertia) const;
|
|
|
|
virtual void setLocalScaling(const btVector3& scaling);
|
|
virtual const btVector3& getLocalScaling() const;
|
|
|
|
const btVector3& getPlaneNormal() const
|
|
{
|
|
return m_planeNormal;
|
|
}
|
|
|
|
const btScalar& getPlaneConstant() const
|
|
{
|
|
return m_planeConstant;
|
|
}
|
|
|
|
//debugging
|
|
virtual const char* getName() const { return "STATICPLANE"; }
|
|
|
|
virtual int calculateSerializeBufferSize() const;
|
|
|
|
///fills the dataBuffer and returns the struct name (and 0 on failure)
|
|
virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const;
|
|
};
|
|
|
|
///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
|
|
struct btStaticPlaneShapeData
|
|
{
|
|
btCollisionShapeData m_collisionShapeData;
|
|
|
|
btVector3FloatData m_localScaling;
|
|
btVector3FloatData m_planeNormal;
|
|
float m_planeConstant;
|
|
char m_pad[4];
|
|
};
|
|
|
|
SIMD_FORCE_INLINE int btStaticPlaneShape::calculateSerializeBufferSize() const
|
|
{
|
|
return sizeof(btStaticPlaneShapeData);
|
|
}
|
|
|
|
///fills the dataBuffer and returns the struct name (and 0 on failure)
|
|
SIMD_FORCE_INLINE const char* btStaticPlaneShape::serialize(void* dataBuffer, btSerializer* serializer) const
|
|
{
|
|
btStaticPlaneShapeData* planeData = (btStaticPlaneShapeData*)dataBuffer;
|
|
btCollisionShape::serialize(&planeData->m_collisionShapeData, serializer);
|
|
|
|
m_localScaling.serializeFloat(planeData->m_localScaling);
|
|
m_planeNormal.serializeFloat(planeData->m_planeNormal);
|
|
planeData->m_planeConstant = float(m_planeConstant);
|
|
|
|
// Fill padding with zeros to appease msan.
|
|
planeData->m_pad[0] = 0;
|
|
planeData->m_pad[1] = 0;
|
|
planeData->m_pad[2] = 0;
|
|
planeData->m_pad[3] = 0;
|
|
|
|
return "btStaticPlaneShapeData";
|
|
}
|
|
|
|
#endif //BT_STATIC_PLANE_SHAPE_H
|