diff options
Diffstat (limited to 'extern/bullet2/BulletCollision/CollisionShapes/btTriangleMesh.cpp')
| -rw-r--r-- | extern/bullet2/BulletCollision/CollisionShapes/btTriangleMesh.cpp | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/extern/bullet2/BulletCollision/CollisionShapes/btTriangleMesh.cpp b/extern/bullet2/BulletCollision/CollisionShapes/btTriangleMesh.cpp deleted file mode 100644 index b29e0f71e62..00000000000 --- a/extern/bullet2/BulletCollision/CollisionShapes/btTriangleMesh.cpp +++ /dev/null @@ -1,140 +0,0 @@ -/* -Bullet Continuous Collision Detection and Physics Library -Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org - -This software is provided 'as-is', without any express or implied warranty. -In no event will the authors be held liable for any damages arising from the use of this software. -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it freely, -subject to the following restrictions: - -1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. -2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. -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) -{ - 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_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_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 = 0; - m_indexedMeshes[0].m_indexType = PHY_SHORT; - m_indexedMeshes[0].m_triangleIndexStride = 3*sizeof(short int); - } - - if (m_use4componentVertices) - { - m_indexedMeshes[0].m_numVertices = m_4componentVertices.size(); - 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 = 0; - m_indexedMeshes[0].m_vertexStride = 3*sizeof(btScalar); - } - - -} - -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_16bitIndices.push_back(index); - m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*) &m_16bitIndices[0]; - } -} - - -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++) - { - if ((m_4componentVertices[i]-vertex).length2() <= m_weldingThreshold) - { - return i; - } - } - } - m_indexedMeshes[0].m_numVertices++; - m_4componentVertices.push_back(vertex); - m_indexedMeshes[0].m_vertexBase = (unsigned char*)&m_4componentVertices[0]; - - return m_4componentVertices.size()-1; - - } else - { - - if (removeDuplicateVertices) - { - 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) - { - return i/3; - } - } - } - 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; - } - -} - -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)); -} - -int btTriangleMesh::getNumTriangles() const -{ - if (m_use32bitIndices) - { - return m_32bitIndices.size() / 3; - } - return m_16bitIndices.size() / 3; -} |