btEmptyShape Class Reference

The btEmptyShape is a collision shape without actual collision detection shape, so most users should ignore this class. More...

#include <btEmptyShape.h>

Inheritance diagram for btEmptyShape:

Collaboration diagram for btEmptyShape:

Public Member Functions
	BT_DECLARE_ALIGNED_ALLOCATOR ()
	btEmptyShape ()
virtual	~btEmptyShape ()
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	setLocalScaling (const btVector3 &scaling)
virtual const btVector3 &	getLocalScaling () const
virtual void	calculateLocalInertia (btScalar mass, btVector3 &inertia) const
virtual const char *	getName () const
virtual void	processAllTriangles (btTriangleCallback *, const btVector3 &, const btVector3 &) const
Public Member Functions inherited from btConcaveShape
	BT_DECLARE_ALIGNED_ALLOCATOR ()
	btConcaveShape ()
virtual	~btConcaveShape ()
virtual btScalar	getMargin () const
virtual void	setMargin (btScalar collisionMargin)
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

Protected Attributes
btVector3	m_localScaling
Protected Attributes inherited from btConcaveShape
btScalar	m_collisionMargin
Protected Attributes inherited from btCollisionShape
int	m_shapeType
void *	m_userPointer
int	m_userIndex
int	m_userIndex2

Detailed Description

The btEmptyShape is a collision shape without actual collision detection shape, so most users should ignore this class.

It can be replaced by another shape during runtime, but the inertia tensor should be recomputed.

Definition at line 28 of file btEmptyShape.h.

Constructor & Destructor Documentation

btEmptyShape()

btEmptyShape::btEmptyShape

(

)

Definition at line 20 of file btEmptyShape.cpp.

~btEmptyShape()

btEmptyShape::~btEmptyShape ( )

virtual

Definition at line 25 of file btEmptyShape.cpp.

Member Function Documentation

BT_DECLARE_ALIGNED_ALLOCATOR()

btEmptyShape::BT_DECLARE_ALIGNED_ALLOCATOR

(

)

calculateLocalInertia()

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

virtual

Implements btCollisionShape.

Definition at line 39 of file btEmptyShape.cpp.

getAabb()

void btEmptyShape::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 btCollisionShape.

Definition at line 30 of file btEmptyShape.cpp.

getLocalScaling()

virtual const btVector3 & btEmptyShape::getLocalScaling ( ) const

inlinevirtual

Implements btCollisionShape.

Definition at line 45 of file btEmptyShape.h.

getName()

virtual const char * btEmptyShape::getName ( ) const

inlinevirtual

Implements btCollisionShape.

Definition at line 52 of file btEmptyShape.h.

processAllTriangles()

virtual void btEmptyShape::processAllTriangles ( btTriangleCallback *  , const btVector3 &  , const btVector3 &    ) const

inlinevirtual

Implements btConcaveShape.

Definition at line 57 of file btEmptyShape.h.

setLocalScaling()

virtual void btEmptyShape::setLocalScaling ( const btVector3 &  scaling )

inlinevirtual

Implements btCollisionShape.

Definition at line 41 of file btEmptyShape.h.

Member Data Documentation

m_localScaling

btVector3 btEmptyShape::m_localScaling

protected

Definition at line 62 of file btEmptyShape.h.

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

• btEmptyShape.h
• btEmptyShape.cpp