diff options
Diffstat (limited to 'extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp')
| -rw-r--r-- | extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp | 52 |
1 files changed, 29 insertions, 23 deletions
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp index 29d26316316..5dcfa51c280 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp @@ -35,13 +35,13 @@ m_weldingThreshold(0.0) if (m_use32bitIndices) { m_indexedMeshes[0].m_numTriangles = m_32bitIndices.size()/3; - m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*) &m_32bitIndices[0]; + m_indexedMeshes[0].m_triangleIndexBase = 0; m_indexedMeshes[0].m_indexType = PHY_INTEGER; m_indexedMeshes[0].m_triangleIndexStride = 3*sizeof(int); } else { m_indexedMeshes[0].m_numTriangles = m_16bitIndices.size()/3; - m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*) &m_16bitIndices[0]; + m_indexedMeshes[0].m_triangleIndexBase = 0; m_indexedMeshes[0].m_indexType = PHY_SHORT; m_indexedMeshes[0].m_triangleIndexStride = 3*sizeof(short int); } @@ -49,12 +49,12 @@ m_weldingThreshold(0.0) if (m_use4componentVertices) { m_indexedMeshes[0].m_numVertices = m_4componentVertices.size(); - m_indexedMeshes[0].m_vertexBase = (unsigned char*)&m_4componentVertices[0]; + m_indexedMeshes[0].m_vertexBase = 0; m_indexedMeshes[0].m_vertexStride = sizeof(btVector3); } else { m_indexedMeshes[0].m_numVertices = m_3componentVertices.size()/3; - m_indexedMeshes[0].m_vertexBase = (unsigned char*)&m_3componentVertices[0]; + m_indexedMeshes[0].m_vertexBase = 0; m_indexedMeshes[0].m_vertexStride = 3*sizeof(btScalar); } @@ -74,17 +74,21 @@ void btTriangleMesh::addIndex(int index) } } -int btTriangleMesh::findOrAddVertex(const btVector3& vertex) + +int btTriangleMesh::findOrAddVertex(const btVector3& vertex, bool removeDuplicateVertices) { //return index of new/existing vertex - //todo: could use acceleration structure for this + ///@todo: could use acceleration structure for this if (m_use4componentVertices) { - for (int i=0;i< m_4componentVertices.size();i++) - { - if ((m_4componentVertices[i]-vertex).length2() <= m_weldingThreshold) + if (removeDuplicateVertices) + { + for (int i=0;i< m_4componentVertices.size();i++) { - return i; + if ((m_4componentVertices[i]-vertex).length2() <= m_weldingThreshold) + { + return i; + } } } m_indexedMeshes[0].m_numVertices++; @@ -96,17 +100,20 @@ int btTriangleMesh::findOrAddVertex(const btVector3& vertex) } else { - for (int i=0;i< m_3componentVertices.size();i+=3) + if (removeDuplicateVertices) { - btVector3 vtx(m_3componentVertices[i],m_3componentVertices[i+1],m_3componentVertices[i+2]); - if ((vtx-vertex).length2() <= m_weldingThreshold) + for (int i=0;i< m_3componentVertices.size();i+=3) { - return i/3; + btVector3 vtx(m_3componentVertices[i],m_3componentVertices[i+1],m_3componentVertices[i+2]); + if ((vtx-vertex).length2() <= m_weldingThreshold) + { + return i/3; + } } - } - m_3componentVertices.push_back(vertex.getX()); - m_3componentVertices.push_back(vertex.getY()); - m_3componentVertices.push_back(vertex.getZ()); + } + m_3componentVertices.push_back((float)vertex.getX()); + m_3componentVertices.push_back((float)vertex.getY()); + m_3componentVertices.push_back((float)vertex.getZ()); m_indexedMeshes[0].m_numVertices++; m_indexedMeshes[0].m_vertexBase = (unsigned char*)&m_3componentVertices[0]; return (m_3componentVertices.size()/3)-1; @@ -114,13 +121,12 @@ int btTriangleMesh::findOrAddVertex(const btVector3& vertex) } -void btTriangleMesh::addTriangle(const btVector3& vertex0,const btVector3& vertex1,const btVector3& vertex2) +void btTriangleMesh::addTriangle(const btVector3& vertex0,const btVector3& vertex1,const btVector3& vertex2,bool removeDuplicateVertices) { m_indexedMeshes[0].m_numTriangles++; - - addIndex(findOrAddVertex(vertex0)); - addIndex(findOrAddVertex(vertex1)); - addIndex(findOrAddVertex(vertex2)); + addIndex(findOrAddVertex(vertex0,removeDuplicateVertices)); + addIndex(findOrAddVertex(vertex1,removeDuplicateVertices)); + addIndex(findOrAddVertex(vertex2,removeDuplicateVertices)); } int btTriangleMesh::getNumTriangles() const |