The btUniformScalingShape allows to re-use uniform scaled instances of btConvexShape in a memory efficient way. More...

#include <btUniformScalingShape.h>

Inheritance diagram for btUniformScalingShape:

Collaboration diagram for btUniformScalingShape:

Public Member Functions
	BT_DECLARE_ALIGNED_ALLOCATOR ()
	btUniformScalingShape (btConvexShape *convexChildShape, btScalar uniformScalingFactor)
virtual	~btUniformScalingShape ()
virtual btVector3	localGetSupportingVertexWithoutMargin (const btVector3 &vec) const
virtual btVector3	localGetSupportingVertex (const btVector3 &vec) const
virtual void	batchedUnitVectorGetSupportingVertexWithoutMargin (const btVector3 vectors, btVector3 supportVerticesOut, int numVectors) const
virtual void	calculateLocalInertia (btScalar mass, btVector3 &inertia) const
btScalar	getUniformScalingFactor () const
btConvexShape *	getChildShape ()
const btConvexShape *	getChildShape () const
virtual const char *	getName () const
void	getAabb (const btTransform &t, btVector3 &aabbMin, btVector3 &aabbMax) const
	getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version
virtual void	getAabbSlow (const btTransform &t, btVector3 &aabbMin, btVector3 &aabbMax) const
virtual void	setLocalScaling (const btVector3 &scaling)
virtual const btVector3 &	getLocalScaling () const
virtual void	setMargin (btScalar margin)
virtual btScalar	getMargin () const
virtual int	getNumPreferredPenetrationDirections () const
virtual void	getPreferredPenetrationDirection (int index, btVector3 &penetrationVector) const
Public Member Functions inherited from btConvexShape
	btConvexShape ()
	not supported on IBM SDK, until we fix the alignment of btVector3
virtual	~btConvexShape ()
btVector3	localGetSupportVertexWithoutMarginNonVirtual (const btVector3 &vec) const
btVector3	localGetSupportVertexNonVirtual (const btVector3 &vec) const
btScalar	getMarginNonVirtual () const
void	getAabbNonVirtual (const btTransform &t, btVector3 &aabbMin, btVector3 &aabbMax) const
virtual void	project (const btTransform &trans, const btVector3 &dir, btScalar &min, btScalar &max) const
Public Member Functions inherited from btCollisionShape
	btCollisionShape ()
virtual	~btCollisionShape ()
virtual void	getBoundingSphere (btVector3 &center, btScalar &radius) const
virtual btScalar	getAngularMotionDisc () const
	getAngularMotionDisc returns the maximus radius needed for Conservative Advancement to handle time-of-impact with rotations.
virtual btScalar	getContactBreakingThreshold (btScalar defaultContactThresholdFactor) const
void	calculateTemporalAabb (const btTransform &curTrans, const btVector3 &linvel, const btVector3 &angvel, btScalar timeStep, btVector3 &temporalAabbMin, btVector3 &temporalAabbMax) const
	calculateTemporalAabb calculates the enclosing aabb for the moving object over interval [0..timeStep) result is conservative
bool	isPolyhedral () const
bool	isConvex2d () const
bool	isConvex () const
bool	isNonMoving () const
bool	isConcave () const
bool	isCompound () const
bool	isSoftBody () const
bool	isInfinite () const
	isInfinite is used to catch simulation error (aabb check)
int	getShapeType () const
virtual btVector3	getAnisotropicRollingFrictionDirection () const
	the getAnisotropicRollingFrictionDirection can be used in combination with setAnisotropicFriction See Bullet/Demos/RollingFrictionDemo for an example
void	setUserPointer (void *userPtr)
	optional user data pointer
void *	getUserPointer () const
virtual int	calculateSerializeBufferSize () const
virtual const char *	serialize (void dataBuffer, btSerializer serializer) const
	fills the dataBuffer and returns the struct name (and 0 on failure)
virtual void	serializeSingleShape (btSerializer *serializer) const

Private Attributes
btConvexShape *	m_childConvexShape
btScalar	m_uniformScalingFactor

Additional Inherited Members
Protected Attributes inherited from btCollisionShape
int	m_shapeType
void *	m_userPointer

Detailed Description

The btUniformScalingShape allows to re-use uniform scaled instances of btConvexShape in a memory efficient way.

Istead of using btUniformScalingShape, it is better to use the non-uniform setLocalScaling method on convex shapes that implement it.

Definition at line 24 of file btUniformScalingShape.h.

Constructor & Destructor Documentation

btUniformScalingShape::btUniformScalingShape	(	btConvexShape *	convexChildShape,
		btScalar	uniformScalingFactor
	)

Definition at line 18 of file btUniformScalingShape.cpp.

btUniformScalingShape::~btUniformScalingShape ( )

virtual

Definition at line 25 of file btUniformScalingShape.cpp.

Member Function Documentation

void btUniformScalingShape::batchedUnitVectorGetSupportingVertexWithoutMargin	(	const btVector3 *	vectors,
		btVector3 *	supportVerticesOut,
		int	numVectors
	)		const