Blender V2.61 - r43446
Public Member Functions | Public Attributes

btTriangleMesh Class Reference

#include <btTriangleMesh.h>

List of all members.

Public Member Functions

 btTriangleMesh (bool use32bitIndices=true, bool use4componentVertices=true)
bool getUse32bitIndices () const
bool getUse4componentVertices () const
void addTriangle (const btVector3 &vertex0, const btVector3 &vertex1, const btVector3 &vertex2, bool removeDuplicateVertices=false)
int getNumTriangles () const
virtual void preallocateVertices (int numverts)
virtual void preallocateIndices (int numindices)
int findOrAddVertex (const btVector3 &vertex, bool removeDuplicateVertices)
 findOrAddVertex is an internal method, use addTriangle instead
void addIndex (int index)
 addIndex is an internal method, use addTriangle instead

Public Attributes

btScalar m_weldingThreshold

Detailed Description

The btTriangleMesh class is a convenience class derived from btTriangleIndexVertexArray, that provides storage for a concave triangle mesh. It can be used as data for the btBvhTriangleMeshShape. It allows either 32bit or 16bit indices, and 4 (x-y-z-w) or 3 (x-y-z) component vertices. If you want to share triangle/index data between graphics mesh and collision mesh (btBvhTriangleMeshShape), you can directly use btTriangleIndexVertexArray or derive your own class from btStridingMeshInterface. Performance of btTriangleMesh and btTriangleIndexVertexArray used in a btBvhTriangleMeshShape is the same.

Definition at line 27 of file btTriangleMesh.h.


Constructor & Destructor Documentation

btTriangleMesh::btTriangleMesh ( bool  use32bitIndices = true,
bool  use4componentVertices = true 
)

Definition at line 21 of file btTriangleMesh.cpp.

References PHY_INTEGER, PHY_SHORT, and btAlignedObjectArray< T >::size().


Member Function Documentation

void btTriangleMesh::addIndex ( int  index)

addIndex is an internal method, use addTriangle instead

Definition at line 65 of file btTriangleMesh.cpp.

References btAlignedObjectArray< T >::push_back().

Referenced by addTriangle().

void btTriangleMesh::addTriangle ( const btVector3 &  vertex0,
const btVector3 &  vertex1,
const btVector3 &  vertex2,
bool  removeDuplicateVertices = false 
)

By default addTriangle won't search for duplicate vertices, because the search is very slow for large triangle meshes. In general it is better to directly use btTriangleIndexVertexArray instead.

Definition at line 125 of file btTriangleMesh.cpp.

References addIndex(), and findOrAddVertex().

Referenced by CcdShapeConstructionInfo::CreateBulletShape().

int btTriangleMesh::findOrAddVertex ( const btVector3 &  vertex,
bool  removeDuplicateVertices 
)

findOrAddVertex is an internal method, use addTriangle instead

Todo:
: could use acceleration structure for this

Definition at line 79 of file btTriangleMesh.cpp.

References i, m_weldingThreshold, btAlignedObjectArray< T >::push_back(), and btAlignedObjectArray< T >::size().

Referenced by addTriangle().

int btTriangleMesh::getNumTriangles ( ) const

Definition at line 133 of file btTriangleMesh.cpp.

References btAlignedObjectArray< T >::size().

bool btTriangleMesh::getUse32bitIndices ( ) const [inline]

Definition at line 43 of file btTriangleMesh.h.

bool btTriangleMesh::getUse4componentVertices ( ) const [inline]

Definition at line 48 of file btTriangleMesh.h.

virtual void btTriangleMesh::preallocateIndices ( int  numindices) [inline, virtual]

Definition at line 59 of file btTriangleMesh.h.

virtual void btTriangleMesh::preallocateVertices ( int  numverts) [inline, virtual]

Definition at line 58 of file btTriangleMesh.h.


Member Data Documentation


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