Bullet Collision Detection & Physics Library
btSphereShape Class Reference

The btSphereShape implements an implicit sphere, centered around a local origin with radius. More...

#include <btSphereShape.h>

Inheritance diagram for btSphereShape:
Collaboration diagram for btSphereShape:

Public Member Functions

 BT_DECLARE_ALIGNED_ALLOCATOR ()
 btSphereShape (btScalar radius)
virtual btVector3 localGetSupportingVertex (const btVector3 &vec) const
virtual btVector3 localGetSupportingVertexWithoutMargin (const btVector3 &vec) const
virtual void batchedUnitVectorGetSupportingVertexWithoutMargin (const btVector3 *vectors, btVector3 *supportVerticesOut, int numVectors) const
virtual void calculateLocalInertia (btScalar mass, btVector3 &inertia) const
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
btScalar getRadius () const
void setUnscaledRadius (btScalar radius)
virtual const char * getName () const
virtual void setMargin (btScalar margin)
virtual btScalar getMargin () const
Public Member Functions inherited from btConvexInternalShape
 BT_DECLARE_ALIGNED_ALLOCATOR ()
virtual ~btConvexInternalShape ()
const btVector3getImplicitShapeDimensions () 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 void setLocalScaling (const btVector3 &scaling)
virtual const btVector3getLocalScaling () const
const btVector3getLocalScalingNV () 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
 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 void serializeSingleShape (btSerializer *serializer) const

Additional Inherited Members

Protected Member Functions inherited from btConvexInternalShape
 btConvexInternalShape ()
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

Detailed Description

The btSphereShape implements an implicit sphere, centered around a local origin with radius.

Definition at line 22 of file btSphereShape.h.

Constructor & Destructor Documentation

◆ btSphereShape()

btSphereShape::btSphereShape ( btScalar radius)
inline

Definition at line 29 of file btSphereShape.h.

Member Function Documentation

◆ batchedUnitVectorGetSupportingVertexWithoutMargin()

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

Implements btConvexShape.

Definition at line 27 of file btSphereShape.cpp.

◆ BT_DECLARE_ALIGNED_ALLOCATOR()

btSphereShape::BT_DECLARE_ALIGNED_ALLOCATOR ( )

◆ calculateLocalInertia()

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

Implements btCollisionShape.

Definition at line 61 of file btSphereShape.cpp.

◆ getAabb()

void btSphereShape::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 53 of file btSphereShape.cpp.

◆ getMargin()

virtual btScalar btSphereShape::getMargin ( ) const
inlinevirtual

Reimplemented from btConvexInternalShape.

Definition at line 63 of file btSphereShape.h.

◆ getName()

virtual const char * btSphereShape::getName ( ) const
inlinevirtual

Implements btCollisionShape.

Definition at line 57 of file btSphereShape.h.

◆ getRadius()

btScalar btSphereShape::getRadius ( ) const
inline

Definition at line 48 of file btSphereShape.h.

◆ localGetSupportingVertex()

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

Reimplemented from btConvexInternalShape.

Definition at line 37 of file btSphereShape.cpp.

◆ localGetSupportingVertexWithoutMargin()

btVector3 btSphereShape::localGetSupportingVertexWithoutMargin ( const btVector3 & vec) const
virtual

Implements btConvexShape.

Definition at line 21 of file btSphereShape.cpp.

◆ setMargin()

virtual void btSphereShape::setMargin ( btScalar margin)
inlinevirtual

Reimplemented from btConvexInternalShape.

Definition at line 59 of file btSphereShape.h.

◆ setUnscaledRadius()

void btSphereShape::setUnscaledRadius ( btScalar radius)
inline

Definition at line 50 of file btSphereShape.h.


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