btConvex2dShape Class Reference

The btConvex2dShape allows to use arbitrary convex shapes as 2d convex shapes, with the Z component assumed to be 0. More...

#include <btConvex2dShape.h>

Inheritance diagram for btConvex2dShape:

Collaboration diagram for btConvex2dShape:

Public Member Functions
	BT_DECLARE_ALIGNED_ALLOCATOR ()
	btConvex2dShape (btConvexShape *convexChildShape)
virtual	~btConvex2dShape ()
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
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
	BT_DECLARE_ALIGNED_ALLOCATOR ()
	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 &minProj, btScalar &maxProj, btVector3 &witnesPtMin, btVector3 &witnesPtMax) const
Public Member Functions inherited from btCollisionShape
	BT_DECLARE_ALIGNED_ALLOCATOR ()
	btCollisionShape ()
virtual	~btCollisionShape ()
virtual void	getBoundingSphere (btVector3 &center, btScalar &radius) const
virtual btScalar	getAngularMotionDisc () const
	getAngularMotionDisc returns the maximum 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
void	setUserIndex (int index)
int	getUserIndex () const
void	setUserIndex2 (int index)
int	getUserIndex2 () 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

Additional Inherited Members
Protected Attributes inherited from btCollisionShape
int	m_shapeType
void *	m_userPointer
int	m_userIndex
int	m_userIndex2

Detailed Description

The btConvex2dShape allows to use arbitrary convex shapes as 2d convex shapes, with the Z component assumed to be 0.

For 2d boxes, the btBox2dShape is recommended.

Definition at line 24 of file btConvex2dShape.h.

Constructor & Destructor Documentation

btConvex2dShape()

btConvex2dShape::btConvex2dShape

(

btConvexShape *

convexChildShape

)

Definition at line 18 of file btConvex2dShape.cpp.

~btConvex2dShape()

btConvex2dShape::~btConvex2dShape ( )

virtual

Definition at line 23 of file btConvex2dShape.cpp.

Member Function Documentation

batchedUnitVectorGetSupportingVertexWithoutMargin()

void btConvex2dShape::batchedUnitVectorGetSupportingVertexWithoutMargin ( const btVector3 * vectors, btVector3 * supportVerticesOut, int numVectors ) const

virtual

Implements btConvexShape.

Definition at line 32 of file btConvex2dShape.cpp.

BT_DECLARE_ALIGNED_ALLOCATOR()

btConvex2dShape::BT_DECLARE_ALIGNED_ALLOCATOR

(

)

calculateLocalInertia()

void btConvex2dShape::calculateLocalInertia ( btScalar mass, btVector3 & inertia ) const

virtual

this linear upscaling is not realistic, but we don't deal with large mass ratios...

Implements btCollisionShape.

Definition at line 42 of file btConvex2dShape.cpp.

getAabb()

void btConvex2dShape::getAabb ( const btTransform & t, btVector3 & aabbMin, btVector3 & aabbMax ) const

virtual

getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version

Implements btConvexShape.

Definition at line 49 of file btConvex2dShape.cpp.

getAabbSlow()

void btConvex2dShape::getAabbSlow ( const btTransform & t, btVector3 & aabbMin, btVector3 & aabbMax ) const

virtual

Implements btConvexShape.

Definition at line 54 of file btConvex2dShape.cpp.

getChildShape() [1/2]

btConvexShape * btConvex2dShape::getChildShape ( )

inline

Definition at line 44 of file btConvex2dShape.h.

getChildShape() [2/2]

const btConvexShape * btConvex2dShape::getChildShape ( ) const

inline

Definition at line 49 of file btConvex2dShape.h.

getLocalScaling()

const btVector3 & btConvex2dShape::getLocalScaling ( ) const

virtual

Implements btConvexShape.

Definition at line 64 of file btConvex2dShape.cpp.

getMargin()

btScalar btConvex2dShape::getMargin ( ) const

virtual

Implements btConvexShape.

Definition at line 73 of file btConvex2dShape.cpp.

getName()

virtual const char * btConvex2dShape::getName ( ) const

inlinevirtual

Implements btCollisionShape.

Definition at line 54 of file btConvex2dShape.h.

getNumPreferredPenetrationDirections()

int btConvex2dShape::getNumPreferredPenetrationDirections ( ) const

virtual

Implements btConvexShape.

Definition at line 78 of file btConvex2dShape.cpp.

getPreferredPenetrationDirection()

void btConvex2dShape::getPreferredPenetrationDirection ( int index, btVector3 & penetrationVector ) const

virtual

Implements btConvexShape.

Definition at line 83 of file btConvex2dShape.cpp.

localGetSupportingVertex()

btVector3 btConvex2dShape::localGetSupportingVertex ( const btVector3 & vec ) const

virtual

Implements btConvexShape.

Definition at line 37 of file btConvex2dShape.cpp.

localGetSupportingVertexWithoutMargin()

btVector3 btConvex2dShape::localGetSupportingVertexWithoutMargin ( const btVector3 & vec ) const

virtual

Implements btConvexShape.

Definition at line 27 of file btConvex2dShape.cpp.

setLocalScaling()

void btConvex2dShape::setLocalScaling ( const btVector3 & scaling )

virtual

Implements btConvexShape.

Definition at line 59 of file btConvex2dShape.cpp.

setMargin()

void btConvex2dShape::setMargin ( btScalar margin )

virtual

Implements btConvexShape.

Definition at line 69 of file btConvex2dShape.cpp.

Member Data Documentation

m_childConvexShape

btConvexShape* btConvex2dShape::m_childConvexShape

private

Definition at line 27 of file btConvex2dShape.h.

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

• btConvex2dShape.h
• btConvex2dShape.cpp