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authorBrecht Van Lommel <brechtvanlommel@pandora.be>2008-11-13 00:16:53 +0300
committerBrecht Van Lommel <brechtvanlommel@pandora.be>2008-11-13 00:16:53 +0300
commitbdfe7d89e2f1292644577972c716931b4ce3c6c3 (patch)
treed00eb50b749cb001e2b08272c91791e66740b05d /extern/bullet2/src/BulletCollision/Gimpact/btGImpactShape.cpp
parent78a1c27c4a6abe0ed31ca93ad21910f3df04da56 (diff)
parent7e4db234cee71ead34ee81a12e27da4bd548eb4b (diff)
Merge of trunk into blender 2.5:
svn merge https://svn.blender.org/svnroot/bf-blender/trunk/blender -r12987:17416 Issues: * GHOST/X11 had conflicting changes. Some code was added in 2.5, which was later added in trunk also, but reverted partially, specifically revision 16683. I have left out this reversion in the 2.5 branch since I think it is needed there. http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=16683 * Scons had various conflicting changes, I decided to go with trunk version for everything except priorities and some library renaming. * In creator.c, there were various fixes and fixes for fixes related to the -w -W and -p options. In 2.5 -w and -W is not coded yet, and -p is done differently. Since this is changed so much, and I don't think those fixes would be needed in 2.5, I've left them out. * Also in creator.c: there was code for a python bugfix where the screen was not initialized when running with -P. The code that initializes the screen there I had to disable, that can't work in 2.5 anymore but left it commented as a reminder. Further I had to disable some new function calls. using src/ and python/, as was done already in this branch, disabled function calls: * bpath.c: error reporting * BME_conversions.c: editmesh conversion functions. * SHD_dynamic: disabled almost completely, there is no python/. * KX_PythonInit.cpp and Ketsji/ build files: Mathutils is not there, disabled. * text.c: clipboard copy call. * object.c: OB_SUPPORT_MATERIAL. * DerivedMesh.c and subsurf_ccg, stipple_quarttone. Still to be done: * Go over files and functions that were moved to a different location but could still use changes that were done in trunk.
Diffstat (limited to 'extern/bullet2/src/BulletCollision/Gimpact/btGImpactShape.cpp')
-rw-r--r--extern/bullet2/src/BulletCollision/Gimpact/btGImpactShape.cpp183
1 files changed, 183 insertions, 0 deletions
diff --git a/extern/bullet2/src/BulletCollision/Gimpact/btGImpactShape.cpp b/extern/bullet2/src/BulletCollision/Gimpact/btGImpactShape.cpp
new file mode 100644
index 00000000000..da6a4dbfc28
--- /dev/null
+++ b/extern/bullet2/src/BulletCollision/Gimpact/btGImpactShape.cpp
@@ -0,0 +1,183 @@
+/*
+This source file is part of GIMPACT Library.
+
+For the latest info, see http://gimpact.sourceforge.net/
+
+Copyright (c) 2007 Francisco Leon Najera. C.C. 80087371.
+email: projectileman@yahoo.com
+
+
+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 "btGImpactShape.h"
+#include "btGImpactMassUtil.h"
+
+
+#define CALC_EXACT_INERTIA 1
+
+void btGImpactCompoundShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const
+{
+ lockChildShapes();
+#ifdef CALC_EXACT_INERTIA
+ inertia.setValue(0.f,0.f,0.f);
+
+ int i = this->getNumChildShapes();
+ btScalar shapemass = mass/btScalar(i);
+
+ while(i--)
+ {
+ btVector3 temp_inertia;
+ m_childShapes[i]->calculateLocalInertia(shapemass,temp_inertia);
+ if(childrenHasTransform())
+ {
+ inertia = gim_inertia_add_transformed( inertia,temp_inertia,m_childTransforms[i]);
+ }
+ else
+ {
+ inertia = gim_inertia_add_transformed( inertia,temp_inertia,btTransform::getIdentity());
+ }
+
+ }
+
+#else
+
+ // Calc box inertia
+
+ btScalar lx= m_localAABB.m_max[0] - m_localAABB.m_min[0];
+ btScalar ly= m_localAABB.m_max[1] - m_localAABB.m_min[1];
+ btScalar lz= m_localAABB.m_max[2] - m_localAABB.m_min[2];
+ const btScalar x2 = lx*lx;
+ const btScalar y2 = ly*ly;
+ const btScalar z2 = lz*lz;
+ const btScalar scaledmass = mass * btScalar(0.08333333);
+
+ inertia = scaledmass * (btVector3(y2+z2,x2+z2,x2+y2));
+
+#endif
+ unlockChildShapes();
+}
+
+
+
+void btGImpactMeshShapePart::calculateLocalInertia(btScalar mass,btVector3& inertia) const
+{
+ lockChildShapes();
+
+
+#ifdef CALC_EXACT_INERTIA
+ inertia.setValue(0.f,0.f,0.f);
+
+ int i = this->getVertexCount();
+ btScalar pointmass = mass/btScalar(i);
+
+ while(i--)
+ {
+ btVector3 pointintertia;
+ this->getVertex(i,pointintertia);
+ pointintertia = gim_get_point_inertia(pointintertia,pointmass);
+ inertia+=pointintertia;
+ }
+
+#else
+
+ // Calc box inertia
+
+ btScalar lx= m_localAABB.m_max[0] - m_localAABB.m_min[0];
+ btScalar ly= m_localAABB.m_max[1] - m_localAABB.m_min[1];
+ btScalar lz= m_localAABB.m_max[2] - m_localAABB.m_min[2];
+ const btScalar x2 = lx*lx;
+ const btScalar y2 = ly*ly;
+ const btScalar z2 = lz*lz;
+ const btScalar scaledmass = mass * btScalar(0.08333333);
+
+ inertia = scaledmass * (btVector3(y2+z2,x2+z2,x2+y2));
+
+#endif
+
+ unlockChildShapes();
+}
+
+void btGImpactMeshShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const
+{
+
+#ifdef CALC_EXACT_INERTIA
+ inertia.setValue(0.f,0.f,0.f);
+
+ int i = this->getMeshPartCount();
+ btScalar partmass = mass/btScalar(i);
+
+ while(i--)
+ {
+ btVector3 partinertia;
+ getMeshPart(i)->calculateLocalInertia(partmass,partinertia);
+ inertia+=partinertia;
+ }
+
+#else
+
+ // Calc box inertia
+
+ btScalar lx= m_localAABB.m_max[0] - m_localAABB.m_min[0];
+ btScalar ly= m_localAABB.m_max[1] - m_localAABB.m_min[1];
+ btScalar lz= m_localAABB.m_max[2] - m_localAABB.m_min[2];
+ const btScalar x2 = lx*lx;
+ const btScalar y2 = ly*ly;
+ const btScalar z2 = lz*lz;
+ const btScalar scaledmass = mass * btScalar(0.08333333);
+
+ inertia = scaledmass * (btVector3(y2+z2,x2+z2,x2+y2));
+
+#endif
+}
+
+void btGImpactMeshShape::rayTest(const btVector3& rayFrom, const btVector3& rayTo, btCollisionWorld::RayResultCallback& resultCallback) const
+{
+}
+
+
+void btGImpactMeshShapePart::processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const
+{
+ lockChildShapes();
+ btAABB box;
+ box.m_min = aabbMin;
+ box.m_max = aabbMax;
+
+ btAlignedObjectArray<int> collided;
+ m_box_set.boxQuery(box,collided);
+
+ if(collided.size()==0)
+ {
+ unlockChildShapes();
+ return;
+ }
+
+ int part = (int)getPart();
+ btPrimitiveTriangle triangle;
+ int i = collided.size();
+ while(i--)
+ {
+ this->getPrimitiveTriangle(collided[i],triangle);
+ callback->processTriangle(triangle.m_vertices,part,collided[i]);
+ }
+ unlockChildShapes();
+
+}
+
+void btGImpactMeshShape::processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const
+{
+ int i = m_mesh_parts.size();
+ while(i--)
+ {
+ m_mesh_parts[i]->processAllTriangles(callback,aabbMin,aabbMax);
+ }
+}