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Differential D8762 Diff 28333 extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h

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extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h

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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. 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. 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. 3. This notice may not be removed or altered from any source distribution.
*/ */
#ifndef BT_CONVEX_TRIANGLEMESH_SHAPE_H #ifndef BT_CONVEX_TRIANGLEMESH_SHAPE_H
#define BT_CONVEX_TRIANGLEMESH_SHAPE_H #define BT_CONVEX_TRIANGLEMESH_SHAPE_H
#include "btPolyhedralConvexShape.h" #include "btPolyhedralConvexShape.h"
#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types #include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types
/// The btConvexTriangleMeshShape is a convex hull of a triangle mesh, but the performance is not as good as btConvexHullShape. /// The btConvexTriangleMeshShape is a convex hull of a triangle mesh, but the performance is not as good as btConvexHullShape.
/// A small benefit of this class is that it uses the btStridingMeshInterface, so you can avoid the duplication of the triangle mesh data. Nevertheless, most users should use the much better performing btConvexHullShape instead. /// A small benefit of this class is that it uses the btStridingMeshInterface, so you can avoid the duplication of the triangle mesh data. Nevertheless, most users should use the much better performing btConvexHullShape instead.
ATTRIBUTE_ALIGNED16(class) btConvexTriangleMeshShape : public btPolyhedralConvexAabbCachingShape ATTRIBUTE_ALIGNED16(class)
btConvexTriangleMeshShape : public btPolyhedralConvexAabbCachingShape
{ {
class btStridingMeshInterface* m_stridingMesh; class btStridingMeshInterface* m_stridingMesh;
public: public:
BT_DECLARE_ALIGNED_ALLOCATOR(); BT_DECLARE_ALIGNED_ALLOCATOR();
btConvexTriangleMeshShape(btStridingMeshInterface* meshInterface, bool calcAabb = true); btConvexTriangleMeshShape(btStridingMeshInterface * meshInterface, bool calcAabb = true);
class btStridingMeshInterface* getMeshInterface() class btStridingMeshInterface* getMeshInterface()
{ {
return m_stridingMesh; return m_stridingMesh;
} }
const class btStridingMeshInterface* getMeshInterface() const const class btStridingMeshInterface* getMeshInterface() const
{ {
return m_stridingMesh; return m_stridingMesh;
} }
virtual btVector3 localGetSupportingVertex(const btVector3& vec)const; virtual btVector3 localGetSupportingVertex(const btVector3& vec) const;
virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const; virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec) const;
virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const; virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors, btVector3* supportVerticesOut, int numVectors) const;
//debugging //debugging
virtual const char* getName()const {return "ConvexTrimesh";} virtual const char* getName() const { return "ConvexTrimesh"; }
virtual int getNumVertices() const; virtual int getNumVertices() const;
virtual int getNumEdges() const; virtual int getNumEdges() const;
virtual void getEdge(int i,btVector3& pa,btVector3& pb) const; virtual void getEdge(int i, btVector3& pa, btVector3& pb) const;
virtual void getVertex(int i,btVector3& vtx) const; virtual void getVertex(int i, btVector3& vtx) const;
virtual int getNumPlanes() const; virtual int getNumPlanes() const;
virtual void getPlane(btVector3& planeNormal,btVector3& planeSupport,int i ) const; virtual void getPlane(btVector3 & planeNormal, btVector3 & planeSupport, int i) const;
virtual bool isInside(const btVector3& pt,btScalar tolerance) const; virtual bool isInside(const btVector3& pt, btScalar tolerance) const;
virtual void setLocalScaling(const btVector3& scaling); virtual void setLocalScaling(const btVector3& scaling);
virtual const btVector3& getLocalScaling() const; virtual const btVector3& getLocalScaling() const;
///computes the exact moment of inertia and the transform from the coordinate system defined by the principal axes of the moment of inertia ///computes the exact moment of inertia and the transform from the coordinate system defined by the principal axes of the moment of inertia
///and the center of mass to the current coordinate system. A mass of 1 is assumed, for other masses just multiply the computed "inertia" ///and the center of mass to the current coordinate system. A mass of 1 is assumed, for other masses just multiply the computed "inertia"
///by the mass. The resulting transform "principal" has to be applied inversely to the mesh in order for the local coordinate system of the ///by the mass. The resulting transform "principal" has to be applied inversely to the mesh in order for the local coordinate system of the
///shape to be centered at the center of mass and to coincide with the principal axes. This also necessitates a correction of the world transform ///shape to be centered at the center of mass and to coincide with the principal axes. This also necessitates a correction of the world transform
///of the collision object by the principal transform. This method also computes the volume of the convex mesh. ///of the collision object by the principal transform. This method also computes the volume of the convex mesh.
void calculatePrincipalAxisTransform(btTransform& principal, btVector3& inertia, btScalar& volume) const; void calculatePrincipalAxisTransform(btTransform & principal, btVector3 & inertia, btScalar & volume) const;
}; };
#endif //BT_CONVEX_TRIANGLEMESH_SHAPE_H #endif //BT_CONVEX_TRIANGLEMESH_SHAPE_H