diff options
Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp')
| -rw-r--r-- | thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp | 92 |
1 files changed, 45 insertions, 47 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp b/thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp index e4de732093..abd8c22786 100644 --- a/thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp +++ b/thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp @@ -13,38 +13,36 @@ subject to the following restrictions: 3. This notice may not be removed or altered from any source distribution. */ - #include "btTriangleMesh.h" - - -btTriangleMesh::btTriangleMesh (bool use32bitIndices,bool use4componentVertices) -:m_use32bitIndices(use32bitIndices), -m_use4componentVertices(use4componentVertices), -m_weldingThreshold(0.0) +btTriangleMesh::btTriangleMesh(bool use32bitIndices, bool use4componentVertices) + : m_use32bitIndices(use32bitIndices), + m_use4componentVertices(use4componentVertices), + m_weldingThreshold(0.0) { btIndexedMesh meshIndex; meshIndex.m_numTriangles = 0; meshIndex.m_numVertices = 0; meshIndex.m_indexType = PHY_INTEGER; meshIndex.m_triangleIndexBase = 0; - meshIndex.m_triangleIndexStride = 3*sizeof(int); + meshIndex.m_triangleIndexStride = 3 * sizeof(int); meshIndex.m_vertexBase = 0; meshIndex.m_vertexStride = sizeof(btVector3); m_indexedMeshes.push_back(meshIndex); if (m_use32bitIndices) { - m_indexedMeshes[0].m_numTriangles = m_32bitIndices.size()/3; + m_indexedMeshes[0].m_numTriangles = m_32bitIndices.size() / 3; 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_triangleIndexStride = 3 * sizeof(int); + } + else { - m_indexedMeshes[0].m_numTriangles = m_16bitIndices.size()/3; + m_indexedMeshes[0].m_numTriangles = m_16bitIndices.size() / 3; m_indexedMeshes[0].m_triangleIndexBase = 0; m_indexedMeshes[0].m_indexType = PHY_SHORT; - m_indexedMeshes[0].m_triangleIndexStride = 3*sizeof(short int); + m_indexedMeshes[0].m_triangleIndexStride = 3 * sizeof(short int); } if (m_use4componentVertices) @@ -52,48 +50,48 @@ m_weldingThreshold(0.0) m_indexedMeshes[0].m_numVertices = m_4componentVertices.size(); m_indexedMeshes[0].m_vertexBase = 0; m_indexedMeshes[0].m_vertexStride = sizeof(btVector3); - } else + } + else { - m_indexedMeshes[0].m_numVertices = m_3componentVertices.size()/3; + m_indexedMeshes[0].m_numVertices = m_3componentVertices.size() / 3; m_indexedMeshes[0].m_vertexBase = 0; - m_indexedMeshes[0].m_vertexStride = 3*sizeof(btScalar); + m_indexedMeshes[0].m_vertexStride = 3 * sizeof(btScalar); } - - } -void btTriangleMesh::addIndex(int index) +void btTriangleMesh::addIndex(int index) { if (m_use32bitIndices) { m_32bitIndices.push_back(index); - m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*) &m_32bitIndices[0]; - } else + m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*)&m_32bitIndices[0]; + } + else { m_16bitIndices.push_back(index); - m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*) &m_16bitIndices[0]; + m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*)&m_16bitIndices[0]; } } -void btTriangleMesh::addTriangleIndices(int index1, int index2, int index3 ) +void btTriangleMesh::addTriangleIndices(int index1, int index2, int index3) { m_indexedMeshes[0].m_numTriangles++; - addIndex( index1 ); - addIndex( index2 ); - addIndex( index3 ); + addIndex(index1); + addIndex(index2); + addIndex(index3); } -int btTriangleMesh::findOrAddVertex(const btVector3& vertex, bool removeDuplicateVertices) +int btTriangleMesh::findOrAddVertex(const btVector3& vertex, bool removeDuplicateVertices) { //return index of new/existing vertex ///@todo: could use acceleration structure for this if (m_use4componentVertices) { if (removeDuplicateVertices) + { + for (int i = 0; i < m_4componentVertices.size(); i++) { - for (int i=0;i< m_4componentVertices.size();i++) - { - if ((m_4componentVertices[i]-vertex).length2() <= m_weldingThreshold) + if ((m_4componentVertices[i] - vertex).length2() <= m_weldingThreshold) { return i; } @@ -103,19 +101,18 @@ int btTriangleMesh::findOrAddVertex(const btVector3& vertex, bool removeDuplicat m_4componentVertices.push_back(vertex); m_indexedMeshes[0].m_vertexBase = (unsigned char*)&m_4componentVertices[0]; - return m_4componentVertices.size()-1; - - } else + return m_4componentVertices.size() - 1; + } + else { - if (removeDuplicateVertices) { - for (int i=0;i< m_3componentVertices.size();i+=3) + for (int i = 0; i < m_3componentVertices.size(); i += 3) { - btVector3 vtx(m_3componentVertices[i],m_3componentVertices[i+1],m_3componentVertices[i+2]); - if ((vtx-vertex).length2() <= m_weldingThreshold) + btVector3 vtx(m_3componentVertices[i], m_3componentVertices[i + 1], m_3componentVertices[i + 2]); + if ((vtx - vertex).length2() <= m_weldingThreshold) { - return i/3; + return i / 3; } } } @@ -124,17 +121,16 @@ int btTriangleMesh::findOrAddVertex(const btVector3& vertex, bool removeDuplicat m_3componentVertices.push_back(vertex.getZ()); m_indexedMeshes[0].m_numVertices++; m_indexedMeshes[0].m_vertexBase = (unsigned char*)&m_3componentVertices[0]; - return (m_3componentVertices.size()/3)-1; + return (m_3componentVertices.size() / 3) - 1; } - } - -void btTriangleMesh::addTriangle(const btVector3& vertex0,const btVector3& vertex1,const btVector3& vertex2,bool removeDuplicateVertices) + +void btTriangleMesh::addTriangle(const btVector3& vertex0, const btVector3& vertex1, const btVector3& vertex2, bool removeDuplicateVertices) { m_indexedMeshes[0].m_numTriangles++; - addIndex(findOrAddVertex(vertex0,removeDuplicateVertices)); - addIndex(findOrAddVertex(vertex1,removeDuplicateVertices)); - addIndex(findOrAddVertex(vertex2,removeDuplicateVertices)); + addIndex(findOrAddVertex(vertex0, removeDuplicateVertices)); + addIndex(findOrAddVertex(vertex1, removeDuplicateVertices)); + addIndex(findOrAddVertex(vertex2, removeDuplicateVertices)); } int btTriangleMesh::getNumTriangles() const @@ -151,7 +147,8 @@ void btTriangleMesh::preallocateVertices(int numverts) if (m_use4componentVertices) { m_4componentVertices.reserve(numverts); - } else + } + else { m_3componentVertices.reserve(numverts); } @@ -162,7 +159,8 @@ void btTriangleMesh::preallocateIndices(int numindices) if (m_use32bitIndices) { m_32bitIndices.reserve(numindices); - } else + } + else { m_16bitIndices.reserve(numindices); } |