The btCylinderShape class implements a cylinder shape primitive, centered around the origin. Its central axis aligned with the Y axis. btCylinderShapeX is aligned with the X axis and btCylinderShapeZ around the Z axis. More...

#include <btCylinderShape.h>

Inheritance diagram for btCylinderShape:

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Collaboration diagram for btCylinderShape:

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Public Member Functions
	BT_DECLARE_ALIGNED_ALLOCATOR ()
btVector3	getHalfExtentsWithMargin () const
const btVector3 &	getHalfExtentsWithoutMargin () const
	btCylinderShape (const btVector3 &halfExtents)
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	calculateLocalInertia (btScalar mass, btVector3 &inertia) const
virtual btVector3	localGetSupportingVertexWithoutMargin (const btVector3 &vec) const
virtual void	batchedUnitVectorGetSupportingVertexWithoutMargin (const btVector3 vectors, btVector3 supportVerticesOut, int numVectors) const
virtual void	setMargin (btScalar collisionMargin)
virtual btVector3	localGetSupportingVertex (const btVector3 &vec) const
int	getUpAxis () const
virtual btVector3	getAnisotropicRollingFrictionDirection () const
	the getAnisotropicRollingFrictionDirection can be used in combination with setAnisotropicFriction See Bullet/Demos/RollingFrictionDemo for an example
virtual btScalar	getRadius () const
virtual void	setLocalScaling (const btVector3 &scaling)
virtual const char *	getName () 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)
Public Member Functions inherited from btConvexInternalShape
	BT_DECLARE_ALIGNED_ALLOCATOR ()
virtual	~btConvexInternalShape ()
const btVector3 &	getImplicitShapeDimensions () const
void	setImplicitShapeDimensions (const btVector3 &dimensions)
	warning: use setImplicitShapeDimensions with care changing a collision shape while the body is in the world is not recommended, it is best to remove the body from the world, then make the change, and re-add it alternatively flush the contact points, see documentation for 'cleanProxyFromPairs'
void	setSafeMargin (btScalar minDimension, btScalar defaultMarginMultiplier=0.1f)
void	setSafeMargin (const btVector3 &halfExtents, btScalar defaultMarginMultiplier=0.1f)
virtual void	getAabbSlow (const btTransform &t, btVector3 &aabbMin, btVector3 &aabbMax) const
virtual const btVector3 &	getLocalScaling () const
const btVector3 &	getLocalScalingNV () const
virtual btScalar	getMargin () const
btScalar	getMarginNV () 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
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 void	serializeSingleShape (btSerializer *serializer) const

Protected Attributes
int	m_upAxis
Protected Attributes inherited from btConvexInternalShape
btVector3	m_localScaling
btVector3	m_implicitShapeDimensions
btScalar	m_collisionMargin
btScalar	m_padding
Protected Attributes inherited from btCollisionShape
int	m_shapeType
void *	m_userPointer
int	m_userIndex
int	m_userIndex2

Additional Inherited Members
Protected Member Functions inherited from btConvexInternalShape
	btConvexInternalShape ()

Detailed Description

The btCylinderShape class implements a cylinder shape primitive, centered around the origin. Its central axis aligned with the Y axis. btCylinderShapeX is aligned with the X axis and btCylinderShapeZ around the Z axis.

Definition at line 24 of file btCylinderShape.h.

Constructor & Destructor Documentation

◆ btCylinderShape()

btCylinderShape::btCylinderShape ( const btVector3 & halfExtents )

Definition at line 18 of file btCylinderShape.cpp.

Member Function Documentation

◆ batchedUnitVectorGetSupportingVertexWithoutMargin()

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

virtual

Implements btConvexShape.

Reimplemented in btCylinderShapeX, and btCylinderShapeZ.

Definition at line 231 of file btCylinderShape.cpp.

◆ BT_DECLARE_ALIGNED_ALLOCATOR()

btCylinderShape::BT_DECLARE_ALIGNED_ALLOCATOR ( )

◆ calculateLocalInertia()

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

virtual

Implements btCollisionShape.

Definition at line 47 of file btCylinderShape.cpp.

◆ calculateSerializeBufferSize()

int btCylinderShape::calculateSerializeBufferSize ( ) const

inlinevirtual

Reimplemented from btConvexInternalShape.

Definition at line 183 of file btCylinderShape.h.

◆ getAabb()

void btCylinderShape::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

Reimplemented from btConvexInternalShape.

Definition at line 42 of file btCylinderShape.cpp.

◆ getAnisotropicRollingFrictionDirection()

virtual btVector3 btCylinderShape::getAnisotropicRollingFrictionDirection ( ) const

inlinevirtual

the getAnisotropicRollingFrictionDirection can be used in combination with setAnisotropicFriction See Bullet/Demos/RollingFrictionDemo for an example

Reimplemented from btCollisionShape.

Definition at line 94 of file btCylinderShape.h.

◆ getHalfExtentsWithMargin()

btVector3 btCylinderShape::getHalfExtentsWithMargin ( ) const

inline

Definition at line 34 of file btCylinderShape.h.

◆ getHalfExtentsWithoutMargin()

const btVector3 & btCylinderShape::getHalfExtentsWithoutMargin ( ) const

inline

Definition at line 42 of file btCylinderShape.h.

◆ getName()

virtual const char * btCylinderShape::getName ( ) const

inlinevirtual

Implements btCollisionShape.

Reimplemented in btCylinderShapeX, and btCylinderShapeZ.

Definition at line 118 of file btCylinderShape.h.

◆ getRadius()

virtual btScalar btCylinderShape::getRadius ( ) const

inlinevirtual

Reimplemented in btCylinderShapeX, and btCylinderShapeZ.

Definition at line 101 of file btCylinderShape.h.

◆ getUpAxis()

int btCylinderShape::getUpAxis ( ) const

inline

Definition at line 89 of file btCylinderShape.h.

◆ localGetSupportingVertex()

virtual btVector3 btCylinderShape::localGetSupportingVertex ( const btVector3 & vec ) const

inlinevirtual

Reimplemented from btConvexInternalShape.

Definition at line 68 of file btCylinderShape.h.

◆ localGetSupportingVertexWithoutMargin()

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

virtual

Implements btConvexShape.

Reimplemented in btCylinderShapeX, and btCylinderShapeZ.

Definition at line 226 of file btCylinderShape.cpp.

◆ serialize()

const char * btCylinderShape::serialize	(	void *	dataBuffer,
		btSerializer *	serializer ) const

inlinevirtual

fills the dataBuffer and returns the struct name (and 0 on failure)

Reimplemented from btConvexInternalShape.

Definition at line 189 of file btCylinderShape.h.

◆ setLocalScaling()

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

inlinevirtual

Reimplemented from btConvexInternalShape.

Definition at line 106 of file btCylinderShape.h.

◆ setMargin()

virtual void btCylinderShape::setMargin ( btScalar collisionMargin )

inlinevirtual

Reimplemented from btConvexInternalShape.

Definition at line 57 of file btCylinderShape.h.

Member Data Documentation

◆ m_upAxis

int btCylinderShape::m_upAxis

protected

Definition at line 29 of file btCylinderShape.h.

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

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ btCylinderShape()

Member Function Documentation

◆ batchedUnitVectorGetSupportingVertexWithoutMargin()

◆ BT_DECLARE_ALIGNED_ALLOCATOR()

◆ calculateLocalInertia()

◆ calculateSerializeBufferSize()

◆ getAabb()

◆ getAnisotropicRollingFrictionDirection()

◆ getHalfExtentsWithMargin()

◆ getHalfExtentsWithoutMargin()

◆ getName()

◆ getRadius()

◆ getUpAxis()

◆ localGetSupportingVertex()

◆ localGetSupportingVertexWithoutMargin()

◆ serialize()

◆ setLocalScaling()

◆ setMargin()

Member Data Documentation

◆ m_upAxis