diff options
Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp')
| -rw-r--r-- | thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp b/thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp deleted file mode 100644 index abd8c22786..0000000000 --- a/thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleMesh.cpp +++ /dev/null @@ -1,167 +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]; - } -} - -void btTriangleMesh::addTriangleIndices(int index1, int index2, int index3) -{ - m_indexedMeshes[0].m_numTriangles++; - addIndex(index1); - addIndex(index2); - addIndex(index3); -} - -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(vertex.getX()); - m_3componentVertices.push_back(vertex.getY()); - 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; - } -} - -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; -} - -void btTriangleMesh::preallocateVertices(int numverts) -{ - if (m_use4componentVertices) - { - m_4componentVertices.reserve(numverts); - } - else - { - m_3componentVertices.reserve(numverts); - } -} - -void btTriangleMesh::preallocateIndices(int numindices) -{ - if (m_use32bitIndices) - { - m_32bitIndices.reserve(numindices); - } - else - { - m_16bitIndices.reserve(numindices); - } -} |