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Diffstat (limited to 'extern/bullet2/BulletCollision/CollisionDispatch/btManifoldResult.cpp')
| -rw-r--r-- | extern/bullet2/BulletCollision/CollisionDispatch/btManifoldResult.cpp | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/extern/bullet2/BulletCollision/CollisionDispatch/btManifoldResult.cpp b/extern/bullet2/BulletCollision/CollisionDispatch/btManifoldResult.cpp deleted file mode 100644 index e607bdbee58..00000000000 --- a/extern/bullet2/BulletCollision/CollisionDispatch/btManifoldResult.cpp +++ /dev/null @@ -1,134 +0,0 @@ -/* -Bullet Continuous Collision Detection and Physics Library -Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ - -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 "btManifoldResult.h" -#include "BulletCollision/NarrowPhaseCollision/btPersistentManifold.h" -#include "BulletCollision/CollisionDispatch/btCollisionObject.h" - - -///This is to allow MaterialCombiner/Custom Friction/Restitution values -ContactAddedCallback gContactAddedCallback=0; - -///User can override this material combiner by implementing gContactAddedCallback and setting body0->m_collisionFlags |= btCollisionObject::customMaterialCallback; -inline btScalar calculateCombinedFriction(const btCollisionObject* body0,const btCollisionObject* body1) -{ - btScalar friction = body0->getFriction() * body1->getFriction(); - - const btScalar MAX_FRICTION = btScalar(10.); - if (friction < -MAX_FRICTION) - friction = -MAX_FRICTION; - if (friction > MAX_FRICTION) - friction = MAX_FRICTION; - return friction; - -} - -inline btScalar calculateCombinedRestitution(const btCollisionObject* body0,const btCollisionObject* body1) -{ - return body0->getRestitution() * body1->getRestitution(); -} - - - -btManifoldResult::btManifoldResult(btCollisionObject* body0,btCollisionObject* body1) - :m_manifoldPtr(0), - m_body0(body0), - m_body1(body1) -#ifdef DEBUG_PART_INDEX - ,m_partId0(-1), - m_partId1(-1), - m_index0(-1), - m_index1(-1) -#endif //DEBUG_PART_INDEX -{ - m_rootTransA = body0->getWorldTransform(); - m_rootTransB = body1->getWorldTransform(); -} - - -void btManifoldResult::addContactPoint(const btVector3& normalOnBInWorld,const btVector3& pointInWorld,btScalar depth) -{ - btAssert(m_manifoldPtr); - //order in manifold needs to match - - if (depth > m_manifoldPtr->getContactBreakingThreshold()) - return; - - bool isSwapped = m_manifoldPtr->getBody0() != m_body0; - - btVector3 pointA = pointInWorld + normalOnBInWorld * depth; - - btVector3 localA; - btVector3 localB; - - if (isSwapped) - { - localA = m_rootTransB.invXform(pointA ); - localB = m_rootTransA.invXform(pointInWorld); - } else - { - localA = m_rootTransA.invXform(pointA ); - localB = m_rootTransB.invXform(pointInWorld); - } - - btManifoldPoint newPt(localA,localB,normalOnBInWorld,depth); - newPt.m_positionWorldOnA = pointA; - newPt.m_positionWorldOnB = pointInWorld; - - int insertIndex = m_manifoldPtr->getCacheEntry(newPt); - - newPt.m_combinedFriction = calculateCombinedFriction(m_body0,m_body1); - newPt.m_combinedRestitution = calculateCombinedRestitution(m_body0,m_body1); - - //BP mod, store contact triangles. - if (isSwapped) - { - newPt.m_partId0 = m_partId1; - newPt.m_partId1 = m_partId0; - newPt.m_index0 = m_index1; - newPt.m_index1 = m_index0; - } else - { - newPt.m_partId0 = m_partId0; - newPt.m_partId1 = m_partId1; - newPt.m_index0 = m_index0; - newPt.m_index1 = m_index1; - } - //printf("depth=%f\n",depth); - ///@todo, check this for any side effects - if (insertIndex >= 0) - { - //const btManifoldPoint& oldPoint = m_manifoldPtr->getContactPoint(insertIndex); - m_manifoldPtr->replaceContactPoint(newPt,insertIndex); - } else - { - insertIndex = m_manifoldPtr->addManifoldPoint(newPt); - } - - //User can override friction and/or restitution - if (gContactAddedCallback && - //and if either of the two bodies requires custom material - ((m_body0->getCollisionFlags() & btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK) || - (m_body1->getCollisionFlags() & btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK))) - { - //experimental feature info, for per-triangle material etc. - btCollisionObject* obj0 = isSwapped? m_body1 : m_body0; - btCollisionObject* obj1 = isSwapped? m_body0 : m_body1; - (*gContactAddedCallback)(m_manifoldPtr->getContactPoint(insertIndex),obj0,newPt.m_partId0,newPt.m_index0,obj1,newPt.m_partId1,newPt.m_index1); - } - -} - |