bt32BitAxisSweep3 Class Reference

The bt32BitAxisSweep3 allows higher precision quantization and more objects compared to the btAxisSweep3 sweep and prune. More...

#include <btAxisSweep3.h>

Inheritance diagram for bt32BitAxisSweep3:

Collaboration diagram for bt32BitAxisSweep3:

Public Member Functions
	bt32BitAxisSweep3 (const btVector3 &worldAabbMin, const btVector3 &worldAabbMax, unsigned int maxHandles=1500000, btOverlappingPairCache *pairCache=0, bool disableRaycastAccelerator=false)
Public Member Functions inherited from btAxisSweep3Internal< unsigned int >
	BT_DECLARE_ALIGNED_ALLOCATOR ()
	btAxisSweep3Internal (const btVector3 &worldAabbMin, const btVector3 &worldAabbMax, unsigned int handleMask, unsigned int handleSentinel, unsigned int maxHandles=16384, btOverlappingPairCache *pairCache=0, bool disableRaycastAccelerator=false)
virtual	~btAxisSweep3Internal ()
unsigned int	getNumHandles () const
virtual void	calculateOverlappingPairs (btDispatcher *dispatcher)
	calculateOverlappingPairs is optional: incremental algorithms (sweep and prune) might do it during the set aabb
unsigned int	addHandle (const btVector3 &aabbMin, const btVector3 &aabbMax, void *pOwner, int collisionFilterGroup, int collisionFilterMask, btDispatcher *dispatcher)
void	removeHandle (unsigned int handle, btDispatcher *dispatcher)
void	updateHandle (unsigned int handle, const btVector3 &aabbMin, const btVector3 &aabbMax, btDispatcher *dispatcher)
Handle *	getHandle (unsigned int index) const
virtual void	resetPool (btDispatcher *dispatcher)
	reset broadphase internal structures, to ensure determinism/reproducability
void	processAllOverlappingPairs (btOverlapCallback *callback)
virtual btBroadphaseProxy *	createProxy (const btVector3 &aabbMin, const btVector3 &aabbMax, int shapeType, void *userPtr, int collisionFilterGroup, int collisionFilterMask, btDispatcher *dispatcher)
virtual void	destroyProxy (btBroadphaseProxy *proxy, btDispatcher *dispatcher)
virtual void	setAabb (btBroadphaseProxy *proxy, const btVector3 &aabbMin, const btVector3 &aabbMax, btDispatcher *dispatcher)
virtual void	getAabb (btBroadphaseProxy *proxy, btVector3 &aabbMin, btVector3 &aabbMax) const
virtual void	rayTest (const btVector3 &rayFrom, const btVector3 &rayTo, btBroadphaseRayCallback &rayCallback, const btVector3 &aabbMin=btVector3(0, 0, 0), const btVector3 &aabbMax=btVector3(0, 0, 0))
virtual void	aabbTest (const btVector3 &aabbMin, const btVector3 &aabbMax, btBroadphaseAabbCallback &callback)
void	quantize (unsigned int *out, const btVector3 &point, int isMax) const
void	unQuantize (btBroadphaseProxy *proxy, btVector3 &aabbMin, btVector3 &aabbMax) const
	unQuantize should be conservative: aabbMin/aabbMax should be larger then 'getAabb' result
bool	testAabbOverlap (btBroadphaseProxy *proxy0, btBroadphaseProxy *proxy1)
btOverlappingPairCache *	getOverlappingPairCache ()
void	setOverlappingPairUserCallback (btOverlappingPairCallback *pairCallback)
const btOverlappingPairCallback *	getOverlappingPairUserCallback () const
virtual void	getBroadphaseAabb (btVector3 &aabbMin, btVector3 &aabbMax) const
	getAabb returns the axis aligned bounding box in the 'global' coordinate frame will add some transform later
virtual void	printStats ()
Public Member Functions inherited from btBroadphaseInterface
virtual	~btBroadphaseInterface ()
virtual const btOverlappingPairCache *	getOverlappingPairCache () const =0

Additional Inherited Members
Protected Member Functions inherited from btAxisSweep3Internal< unsigned int >
unsigned int	allocHandle ()
void	freeHandle (unsigned int handle)
bool	testOverlap2D (const Handle *pHandleA, const Handle *pHandleB, int axis0, int axis1)
void	sortMinDown (int axis, unsigned int edge, btDispatcher *dispatcher, bool updateOverlaps)
void	sortMinUp (int axis, unsigned int edge, btDispatcher *dispatcher, bool updateOverlaps)
void	sortMaxDown (int axis, unsigned int edge, btDispatcher *dispatcher, bool updateOverlaps)
void	sortMaxUp (int axis, unsigned int edge, btDispatcher *dispatcher, bool updateOverlaps)
Protected Attributes inherited from btAxisSweep3Internal< unsigned int >
unsigned int	m_bpHandleMask
unsigned int	m_handleSentinel
btVector3	m_worldAabbMin
btVector3	m_worldAabbMax
btVector3	m_quantize
unsigned int	m_numHandles
unsigned int	m_maxHandles
Handle *	m_pHandles
unsigned int	m_firstFreeHandle
Edge *	m_pEdges [3]
void *	m_pEdgesRawPtr [3]
btOverlappingPairCache *	m_pairCache
btOverlappingPairCallback *	m_userPairCallback
	btOverlappingPairCallback is an additional optional user callback for adding/removing overlapping pairs, similar interface to btOverlappingPairCache.
bool	m_ownsPairCache
int	m_invalidPair
btDbvtBroadphase *	m_raycastAccelerator
	additional dynamic aabb structure, used to accelerate ray cast queries.
btOverlappingPairCache *	m_nullPairCache

Detailed Description

The bt32BitAxisSweep3 allows higher precision quantization and more objects compared to the btAxisSweep3 sweep and prune.

This comes at the cost of more memory per handle, and a bit slower performance. It uses arrays rather then lists for storage of the 3 axis.

Definition at line 42 of file btAxisSweep3.h.

Constructor & Destructor Documentation

bt32BitAxisSweep3()

bt32BitAxisSweep3::bt32BitAxisSweep3	(	const btVector3 &	worldAabbMin,
		const btVector3 &	worldAabbMax,
		unsigned int	maxHandles = 1500000,
		btOverlappingPairCache *	pairCache = 0,
		bool	disableRaycastAccelerator = false )

Definition at line 28 of file btAxisSweep3.cpp.

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The documentation for this class was generated from the following files:

• btAxisSweep3.h
• btAxisSweep3.cpp