diff options
Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.cpp')
-rw-r--r-- | thirdparty/bullet/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.cpp | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.cpp b/thirdparty/bullet/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.cpp deleted file mode 100644 index 7fa0559f97..0000000000 --- a/thirdparty/bullet/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.cpp +++ /dev/null @@ -1,105 +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. -*/ -#define CLEAR_MANIFOLD 1 - -#include "btSphereSphereCollisionAlgorithm.h" -#include "BulletCollision/CollisionDispatch/btCollisionDispatcher.h" -#include "BulletCollision/CollisionShapes/btSphereShape.h" -#include "BulletCollision/CollisionDispatch/btCollisionObject.h" -#include "BulletCollision/CollisionDispatch/btCollisionObjectWrapper.h" - -btSphereSphereCollisionAlgorithm::btSphereSphereCollisionAlgorithm(btPersistentManifold* mf, const btCollisionAlgorithmConstructionInfo& ci, const btCollisionObjectWrapper* col0Wrap, const btCollisionObjectWrapper* col1Wrap) - : btActivatingCollisionAlgorithm(ci, col0Wrap, col1Wrap), - m_ownManifold(false), - m_manifoldPtr(mf) -{ - if (!m_manifoldPtr) - { - m_manifoldPtr = m_dispatcher->getNewManifold(col0Wrap->getCollisionObject(), col1Wrap->getCollisionObject()); - m_ownManifold = true; - } -} - -btSphereSphereCollisionAlgorithm::~btSphereSphereCollisionAlgorithm() -{ - if (m_ownManifold) - { - if (m_manifoldPtr) - m_dispatcher->releaseManifold(m_manifoldPtr); - } -} - -void btSphereSphereCollisionAlgorithm::processCollision(const btCollisionObjectWrapper* col0Wrap, const btCollisionObjectWrapper* col1Wrap, const btDispatcherInfo& dispatchInfo, btManifoldResult* resultOut) -{ - (void)dispatchInfo; - - if (!m_manifoldPtr) - return; - - resultOut->setPersistentManifold(m_manifoldPtr); - - btSphereShape* sphere0 = (btSphereShape*)col0Wrap->getCollisionShape(); - btSphereShape* sphere1 = (btSphereShape*)col1Wrap->getCollisionShape(); - - btVector3 diff = col0Wrap->getWorldTransform().getOrigin() - col1Wrap->getWorldTransform().getOrigin(); - btScalar len = diff.length(); - btScalar radius0 = sphere0->getRadius(); - btScalar radius1 = sphere1->getRadius(); - -#ifdef CLEAR_MANIFOLD - m_manifoldPtr->clearManifold(); //don't do this, it disables warmstarting -#endif - - ///iff distance positive, don't generate a new contact - if (len > (radius0 + radius1 + resultOut->m_closestPointDistanceThreshold)) - { -#ifndef CLEAR_MANIFOLD - resultOut->refreshContactPoints(); -#endif //CLEAR_MANIFOLD - return; - } - ///distance (negative means penetration) - btScalar dist = len - (radius0 + radius1); - - btVector3 normalOnSurfaceB(1, 0, 0); - if (len > SIMD_EPSILON) - { - normalOnSurfaceB = diff / len; - } - - ///point on A (worldspace) - ///btVector3 pos0 = col0->getWorldTransform().getOrigin() - radius0 * normalOnSurfaceB; - ///point on B (worldspace) - btVector3 pos1 = col1Wrap->getWorldTransform().getOrigin() + radius1 * normalOnSurfaceB; - - /// report a contact. internally this will be kept persistent, and contact reduction is done - - resultOut->addContactPoint(normalOnSurfaceB, pos1, dist); - -#ifndef CLEAR_MANIFOLD - resultOut->refreshContactPoints(); -#endif //CLEAR_MANIFOLD -} - -btScalar btSphereSphereCollisionAlgorithm::calculateTimeOfImpact(btCollisionObject* col0, btCollisionObject* col1, const btDispatcherInfo& dispatchInfo, btManifoldResult* resultOut) -{ - (void)col0; - (void)col1; - (void)dispatchInfo; - (void)resultOut; - - //not yet - return btScalar(1.); -} |