btConvexInternalAabbCachingShape Class Reference

btConvexInternalAabbCachingShape adds local aabb caching for convex shapes, to avoid expensive bounding box calculations More...

#include <btConvexInternalShape.h>

Inheritance diagram for btConvexInternalAabbCachingShape:

Collaboration diagram for btConvexInternalAabbCachingShape:

Public Member Functions
virtual void	setLocalScaling (const btVector3 &scaling)
virtual 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
void	recalcLocalAabb ()
Public Member Functions inherited from btConvexInternalShape
	BT_DECLARE_ALIGNED_ALLOCATOR ()
virtual	~btConvexInternalShape ()
virtual btVector3	localGetSupportingVertex (const btVector3 &vec) const
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 void	setMargin (btScalar margin)
virtual btScalar	getMargin () const
btScalar	getMarginNV () const
virtual int	getNumPreferredPenetrationDirections () const
virtual void	getPreferredPenetrationDirection (int index, btVector3 &penetrationVector) 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 btConvexShape
	btConvexShape ()
	not supported on IBM SDK, until we fix the alignment of btVector3
virtual	~btConvexShape ()
virtual btVector3	localGetSupportingVertexWithoutMargin (const btVector3 &vec) const =0
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
virtual void	batchedUnitVectorGetSupportingVertexWithoutMargin (const btVector3 *vectors, btVector3 *supportVerticesOut, int numVectors) const =0
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)
virtual void	calculateLocalInertia (btScalar mass, btVector3 &inertia) const =0
virtual const char *	getName () const =0
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 void	serializeSingleShape (btSerializer *serializer) const

Protected Member Functions
	btConvexInternalAabbCachingShape ()
void	setCachedLocalAabb (const btVector3 &aabbMin, const btVector3 &aabbMax)
void	getCachedLocalAabb (btVector3 &aabbMin, btVector3 &aabbMax) const
void	getNonvirtualAabb (const btTransform &trans, btVector3 &aabbMin, btVector3 &aabbMax, btScalar margin) const
Protected Member Functions inherited from btConvexInternalShape
	btConvexInternalShape ()

Private Attributes
btVector3	m_localAabbMin
btVector3	m_localAabbMax
bool	m_isLocalAabbValid

Additional Inherited Members
Protected Attributes inherited from btConvexInternalShape
btVector3	m_localScaling
btVector3	m_implicitShapeDimensions
btScalar	m_collisionMargin
btScalar	m_padding

Detailed Description

btConvexInternalAabbCachingShape adds local aabb caching for convex shapes, to avoid expensive bounding box calculations

Definition at line 182 of file btConvexInternalShape.h.

Constructor & Destructor Documentation

btConvexInternalAabbCachingShape::btConvexInternalAabbCachingShape ( )

protected

Definition at line 84 of file btConvexInternalShape.cpp.

Member Function Documentation

void btConvexInternalAabbCachingShape::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 93 of file btConvexInternalShape.cpp.

void btConvexInternalAabbCachingShape::getCachedLocalAabb ( btVector3 &  aabbMin, btVector3 &  aabbMax  ) const

inlineprotected

Definition at line 199 of file btConvexInternalShape.h.

void btConvexInternalAabbCachingShape::getNonvirtualAabb ( const btTransform &  trans, btVector3 &  aabbMin, btVector3 &  aabbMax, btScalar  margin  ) const

inlineprotected

Definition at line 206 of file btConvexInternalShape.h.

void btConvexInternalAabbCachingShape::recalcLocalAabb

(

)

Definition at line 105 of file btConvexInternalShape.cpp.

void btConvexInternalAabbCachingShape::setCachedLocalAabb ( const btVector3 &  aabbMin, const btVector3 &  aabbMax  )

inlineprotected

Definition at line 192 of file btConvexInternalShape.h.

void btConvexInternalAabbCachingShape::setLocalScaling ( const btVector3 &  scaling )

virtual

Reimplemented from btConvexInternalShape.

Definition at line 98 of file btConvexInternalShape.cpp.

Member Data Documentation

bool btConvexInternalAabbCachingShape::m_isLocalAabbValid

private

Definition at line 186 of file btConvexInternalShape.h.

btVector3 btConvexInternalAabbCachingShape::m_localAabbMax

private

Definition at line 185 of file btConvexInternalShape.h.

btVector3 btConvexInternalAabbCachingShape::m_localAabbMin

private

Definition at line 184 of file btConvexInternalShape.h.

---

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

• btConvexInternalShape.h
• btConvexInternalShape.cpp