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Diffstat (limited to 'extern/bullet2/BulletCollision/CollisionDispatch/btCollisionWorld.cpp')
| -rw-r--r-- | extern/bullet2/BulletCollision/CollisionDispatch/btCollisionWorld.cpp | 1416 |
1 files changed, 0 insertions, 1416 deletions
diff --git a/extern/bullet2/BulletCollision/CollisionDispatch/btCollisionWorld.cpp b/extern/bullet2/BulletCollision/CollisionDispatch/btCollisionWorld.cpp deleted file mode 100644 index e478d1bb16c..00000000000 --- a/extern/bullet2/BulletCollision/CollisionDispatch/btCollisionWorld.cpp +++ /dev/null @@ -1,1416 +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 "btCollisionWorld.h" -#include "btCollisionDispatcher.h" -#include "BulletCollision/CollisionDispatch/btCollisionObject.h" -#include "BulletCollision/CollisionShapes/btCollisionShape.h" -#include "BulletCollision/CollisionShapes/btConvexShape.h" -#include "BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h" -#include "BulletCollision/CollisionShapes/btSphereShape.h" //for raycasting -#include "BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h" //for raycasting -#include "BulletCollision/NarrowPhaseCollision/btRaycastCallback.h" -#include "BulletCollision/CollisionShapes/btCompoundShape.h" -#include "BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.h" -#include "BulletCollision/NarrowPhaseCollision/btGjkConvexCast.h" -#include "BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.h" -#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" -#include "BulletCollision/BroadphaseCollision/btBroadphaseInterface.h" -#include "LinearMath/btAabbUtil2.h" -#include "LinearMath/btQuickprof.h" -#include "LinearMath/btStackAlloc.h" -#include "LinearMath/btSerializer.h" - -//#define USE_BRUTEFORCE_RAYBROADPHASE 1 -//RECALCULATE_AABB is slower, but benefit is that you don't need to call 'stepSimulation' or 'updateAabbs' before using a rayTest -//#define RECALCULATE_AABB_RAYCAST 1 - -//When the user doesn't provide dispatcher or broadphase, create basic versions (and delete them in destructor) -#include "BulletCollision/CollisionDispatch/btCollisionDispatcher.h" -#include "BulletCollision/BroadphaseCollision/btSimpleBroadphase.h" -#include "BulletCollision/CollisionDispatch/btCollisionConfiguration.h" - - -///for debug drawing - -//for debug rendering -#include "BulletCollision/CollisionShapes/btBoxShape.h" -#include "BulletCollision/CollisionShapes/btCapsuleShape.h" -#include "BulletCollision/CollisionShapes/btCompoundShape.h" -#include "BulletCollision/CollisionShapes/btConeShape.h" -#include "BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h" -#include "BulletCollision/CollisionShapes/btCylinderShape.h" -#include "BulletCollision/CollisionShapes/btMultiSphereShape.h" -#include "BulletCollision/CollisionShapes/btPolyhedralConvexShape.h" -#include "BulletCollision/CollisionShapes/btSphereShape.h" -#include "BulletCollision/CollisionShapes/btTriangleCallback.h" -#include "BulletCollision/CollisionShapes/btTriangleMeshShape.h" -#include "BulletCollision/CollisionShapes/btStaticPlaneShape.h" - - - -btCollisionWorld::btCollisionWorld(btDispatcher* dispatcher,btBroadphaseInterface* pairCache, btCollisionConfiguration* collisionConfiguration) -:m_dispatcher1(dispatcher), -m_broadphasePairCache(pairCache), -m_debugDrawer(0), -m_forceUpdateAllAabbs(true) -{ - m_stackAlloc = collisionConfiguration->getStackAllocator(); - m_dispatchInfo.m_stackAllocator = m_stackAlloc; -} - - -btCollisionWorld::~btCollisionWorld() -{ - - //clean up remaining objects - int i; - for (i=0;i<m_collisionObjects.size();i++) - { - btCollisionObject* collisionObject= m_collisionObjects[i]; - - btBroadphaseProxy* bp = collisionObject->getBroadphaseHandle(); - if (bp) - { - // - // only clear the cached algorithms - // - getBroadphase()->getOverlappingPairCache()->cleanProxyFromPairs(bp,m_dispatcher1); - getBroadphase()->destroyProxy(bp,m_dispatcher1); - collisionObject->setBroadphaseHandle(0); - } - } - - -} - - - - - - - - - - -void btCollisionWorld::addCollisionObject(btCollisionObject* collisionObject,short int collisionFilterGroup,short int collisionFilterMask) -{ - - btAssert(collisionObject); - - //check that the object isn't already added - btAssert( m_collisionObjects.findLinearSearch(collisionObject) == m_collisionObjects.size()); - - m_collisionObjects.push_back(collisionObject); - - //calculate new AABB - btTransform trans = collisionObject->getWorldTransform(); - - btVector3 minAabb; - btVector3 maxAabb; - collisionObject->getCollisionShape()->getAabb(trans,minAabb,maxAabb); - - int type = collisionObject->getCollisionShape()->getShapeType(); - collisionObject->setBroadphaseHandle( getBroadphase()->createProxy( - minAabb, - maxAabb, - type, - collisionObject, - collisionFilterGroup, - collisionFilterMask, - m_dispatcher1,0 - )) ; - - - - - -} - - - -void btCollisionWorld::updateSingleAabb(btCollisionObject* colObj) -{ - btVector3 minAabb,maxAabb; - colObj->getCollisionShape()->getAabb(colObj->getWorldTransform(), minAabb,maxAabb); - //need to increase the aabb for contact thresholds - btVector3 contactThreshold(gContactBreakingThreshold,gContactBreakingThreshold,gContactBreakingThreshold); - minAabb -= contactThreshold; - maxAabb += contactThreshold; - - btBroadphaseInterface* bp = (btBroadphaseInterface*)m_broadphasePairCache; - - //moving objects should be moderately sized, probably something wrong if not - if ( colObj->isStaticObject() || ((maxAabb-minAabb).length2() < btScalar(1e12))) - { - bp->setAabb(colObj->getBroadphaseHandle(),minAabb,maxAabb, m_dispatcher1); - } else - { - //something went wrong, investigate - //this assert is unwanted in 3D modelers (danger of loosing work) - colObj->setActivationState(DISABLE_SIMULATION); - - static bool reportMe = true; - if (reportMe && m_debugDrawer) - { - reportMe = false; - m_debugDrawer->reportErrorWarning("Overflow in AABB, object removed from simulation"); - m_debugDrawer->reportErrorWarning("If you can reproduce this, please email bugs@continuousphysics.com\n"); - m_debugDrawer->reportErrorWarning("Please include above information, your Platform, version of OS.\n"); - m_debugDrawer->reportErrorWarning("Thanks.\n"); - } - } -} - -void btCollisionWorld::updateAabbs() -{ - BT_PROFILE("updateAabbs"); - - btTransform predictedTrans; - for ( int i=0;i<m_collisionObjects.size();i++) - { - btCollisionObject* colObj = m_collisionObjects[i]; - - //only update aabb of active objects - if (m_forceUpdateAllAabbs || colObj->isActive()) - { - updateSingleAabb(colObj); - } - } -} - - - -void btCollisionWorld::performDiscreteCollisionDetection() -{ - BT_PROFILE("performDiscreteCollisionDetection"); - - btDispatcherInfo& dispatchInfo = getDispatchInfo(); - - updateAabbs(); - - { - BT_PROFILE("calculateOverlappingPairs"); - m_broadphasePairCache->calculateOverlappingPairs(m_dispatcher1); - } - - - btDispatcher* dispatcher = getDispatcher(); - { - BT_PROFILE("dispatchAllCollisionPairs"); - if (dispatcher) - dispatcher->dispatchAllCollisionPairs(m_broadphasePairCache->getOverlappingPairCache(),dispatchInfo,m_dispatcher1); - } - -} - - - -void btCollisionWorld::removeCollisionObject(btCollisionObject* collisionObject) -{ - - - //bool removeFromBroadphase = false; - - { - - btBroadphaseProxy* bp = collisionObject->getBroadphaseHandle(); - if (bp) - { - // - // only clear the cached algorithms - // - getBroadphase()->getOverlappingPairCache()->cleanProxyFromPairs(bp,m_dispatcher1); - getBroadphase()->destroyProxy(bp,m_dispatcher1); - collisionObject->setBroadphaseHandle(0); - } - } - - - //swapremove - m_collisionObjects.remove(collisionObject); - -} - - - -void btCollisionWorld::rayTestSingle(const btTransform& rayFromTrans,const btTransform& rayToTrans, - btCollisionObject* collisionObject, - const btCollisionShape* collisionShape, - const btTransform& colObjWorldTransform, - RayResultCallback& resultCallback) -{ - btSphereShape pointShape(btScalar(0.0)); - pointShape.setMargin(0.f); - const btConvexShape* castShape = &pointShape; - - if (collisionShape->isConvex()) - { - // BT_PROFILE("rayTestConvex"); - btConvexCast::CastResult castResult; - castResult.m_fraction = resultCallback.m_closestHitFraction; - - btConvexShape* convexShape = (btConvexShape*) collisionShape; - btVoronoiSimplexSolver simplexSolver; -#define USE_SUBSIMPLEX_CONVEX_CAST 1 -#ifdef USE_SUBSIMPLEX_CONVEX_CAST - btSubsimplexConvexCast convexCaster(castShape,convexShape,&simplexSolver); -#else - //btGjkConvexCast convexCaster(castShape,convexShape,&simplexSolver); - //btContinuousConvexCollision convexCaster(castShape,convexShape,&simplexSolver,0); -#endif //#USE_SUBSIMPLEX_CONVEX_CAST - - if (convexCaster.calcTimeOfImpact(rayFromTrans,rayToTrans,colObjWorldTransform,colObjWorldTransform,castResult)) - { - //add hit - if (castResult.m_normal.length2() > btScalar(0.0001)) - { - if (castResult.m_fraction < resultCallback.m_closestHitFraction) - { -#ifdef USE_SUBSIMPLEX_CONVEX_CAST - //rotate normal into worldspace - castResult.m_normal = rayFromTrans.getBasis() * castResult.m_normal; -#endif //USE_SUBSIMPLEX_CONVEX_CAST - - castResult.m_normal.normalize(); - btCollisionWorld::LocalRayResult localRayResult - ( - collisionObject, - 0, - castResult.m_normal, - castResult.m_fraction - ); - - bool normalInWorldSpace = true; - resultCallback.addSingleResult(localRayResult, normalInWorldSpace); - - } - } - } - } else { - if (collisionShape->isConcave()) - { - // BT_PROFILE("rayTestConcave"); - if (collisionShape->getShapeType()==TRIANGLE_MESH_SHAPE_PROXYTYPE) - { - ///optimized version for btBvhTriangleMeshShape - btBvhTriangleMeshShape* triangleMesh = (btBvhTriangleMeshShape*)collisionShape; - btTransform worldTocollisionObject = colObjWorldTransform.inverse(); - btVector3 rayFromLocal = worldTocollisionObject * rayFromTrans.getOrigin(); - btVector3 rayToLocal = worldTocollisionObject * rayToTrans.getOrigin(); - - //ConvexCast::CastResult - struct BridgeTriangleRaycastCallback : public btTriangleRaycastCallback - { - btCollisionWorld::RayResultCallback* m_resultCallback; - btCollisionObject* m_collisionObject; - btTriangleMeshShape* m_triangleMesh; - - btTransform m_colObjWorldTransform; - - BridgeTriangleRaycastCallback( const btVector3& from,const btVector3& to, - btCollisionWorld::RayResultCallback* resultCallback, btCollisionObject* collisionObject,btTriangleMeshShape* triangleMesh,const btTransform& colObjWorldTransform): - //@BP Mod - btTriangleRaycastCallback(from,to, resultCallback->m_flags), - m_resultCallback(resultCallback), - m_collisionObject(collisionObject), - m_triangleMesh(triangleMesh), - m_colObjWorldTransform(colObjWorldTransform) - { - } - - - virtual btScalar reportHit(const btVector3& hitNormalLocal, btScalar hitFraction, int partId, int triangleIndex ) - { - btCollisionWorld::LocalShapeInfo shapeInfo; - shapeInfo.m_shapePart = partId; - shapeInfo.m_triangleIndex = triangleIndex; - - btVector3 hitNormalWorld = m_colObjWorldTransform.getBasis() * hitNormalLocal; - - btCollisionWorld::LocalRayResult rayResult - (m_collisionObject, - &shapeInfo, - hitNormalWorld, - hitFraction); - - bool normalInWorldSpace = true; - return m_resultCallback->addSingleResult(rayResult,normalInWorldSpace); - } - - }; - - BridgeTriangleRaycastCallback rcb(rayFromLocal,rayToLocal,&resultCallback,collisionObject,triangleMesh,colObjWorldTransform); - rcb.m_hitFraction = resultCallback.m_closestHitFraction; - triangleMesh->performRaycast(&rcb,rayFromLocal,rayToLocal); - } else - { - //generic (slower) case - btConcaveShape* concaveShape = (btConcaveShape*)collisionShape; - - btTransform worldTocollisionObject = colObjWorldTransform.inverse(); - - btVector3 rayFromLocal = worldTocollisionObject * rayFromTrans.getOrigin(); - btVector3 rayToLocal = worldTocollisionObject * rayToTrans.getOrigin(); - - //ConvexCast::CastResult - - struct BridgeTriangleRaycastCallback : public btTriangleRaycastCallback - { - btCollisionWorld::RayResultCallback* m_resultCallback; - btCollisionObject* m_collisionObject; - btConcaveShape* m_triangleMesh; - - btTransform m_colObjWorldTransform; - - BridgeTriangleRaycastCallback( const btVector3& from,const btVector3& to, - btCollisionWorld::RayResultCallback* resultCallback, btCollisionObject* collisionObject,btConcaveShape* triangleMesh, const btTransform& colObjWorldTransform): - //@BP Mod - btTriangleRaycastCallback(from,to, resultCallback->m_flags), - m_resultCallback(resultCallback), - m_collisionObject(collisionObject), - m_triangleMesh(triangleMesh), - m_colObjWorldTransform(colObjWorldTransform) - { - } - - - virtual btScalar reportHit(const btVector3& hitNormalLocal, btScalar hitFraction, int partId, int triangleIndex ) - { - btCollisionWorld::LocalShapeInfo shapeInfo; - shapeInfo.m_shapePart = partId; - shapeInfo.m_triangleIndex = triangleIndex; - - btVector3 hitNormalWorld = m_colObjWorldTransform.getBasis() * hitNormalLocal; - - btCollisionWorld::LocalRayResult rayResult - (m_collisionObject, - &shapeInfo, - hitNormalWorld, - hitFraction); - - bool normalInWorldSpace = true; - return m_resultCallback->addSingleResult(rayResult,normalInWorldSpace); - } - - }; - - - BridgeTriangleRaycastCallback rcb(rayFromLocal,rayToLocal,&resultCallback,collisionObject,concaveShape, colObjWorldTransform); - rcb.m_hitFraction = resultCallback.m_closestHitFraction; - - btVector3 rayAabbMinLocal = rayFromLocal; - rayAabbMinLocal.setMin(rayToLocal); - btVector3 rayAabbMaxLocal = rayFromLocal; - rayAabbMaxLocal.setMax(rayToLocal); - - concaveShape->processAllTriangles(&rcb,rayAabbMinLocal,rayAabbMaxLocal); - } - } else { - // BT_PROFILE("rayTestCompound"); - ///@todo: use AABB tree or other BVH acceleration structure, see btDbvt - if (collisionShape->isCompound()) - { - const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(collisionShape); - int i=0; - for (i=0;i<compoundShape->getNumChildShapes();i++) - { - btTransform childTrans = compoundShape->getChildTransform(i); - const btCollisionShape* childCollisionShape = compoundShape->getChildShape(i); - btTransform childWorldTrans = colObjWorldTransform * childTrans; - // replace collision shape so that callback can determine the triangle - btCollisionShape* saveCollisionShape = collisionObject->getCollisionShape(); - collisionObject->internalSetTemporaryCollisionShape((btCollisionShape*)childCollisionShape); - struct LocalInfoAdder2 : public RayResultCallback { - int m_i; - RayResultCallback* m_userCallback; - LocalInfoAdder2 (int i, RayResultCallback *user) - : m_i(i), m_userCallback(user) - { - } - virtual btScalar addSingleResult (btCollisionWorld::LocalRayResult &r, bool b) - { - btCollisionWorld::LocalShapeInfo shapeInfo; - shapeInfo.m_shapePart = -1; - shapeInfo.m_triangleIndex = m_i; - if (r.m_localShapeInfo == NULL) - r.m_localShapeInfo = &shapeInfo; - return m_userCallback->addSingleResult(r, b); - } - }; - - LocalInfoAdder2 my_cb(i, &resultCallback); - my_cb.m_closestHitFraction = resultCallback.m_closestHitFraction; - - - rayTestSingle(rayFromTrans,rayToTrans, - collisionObject, - childCollisionShape, - childWorldTrans, - my_cb); - // restore - collisionObject->internalSetTemporaryCollisionShape(saveCollisionShape); - } - } - } - } -} - -void btCollisionWorld::objectQuerySingle(const btConvexShape* castShape,const btTransform& convexFromTrans,const btTransform& convexToTrans, - btCollisionObject* collisionObject, - const btCollisionShape* collisionShape, - const btTransform& colObjWorldTransform, - ConvexResultCallback& resultCallback, btScalar allowedPenetration) -{ - if (collisionShape->isConvex()) - { - //BT_PROFILE("convexSweepConvex"); - btConvexCast::CastResult castResult; - castResult.m_allowedPenetration = allowedPenetration; - castResult.m_fraction = resultCallback.m_closestHitFraction;//btScalar(1.);//?? - - btConvexShape* convexShape = (btConvexShape*) collisionShape; - btVoronoiSimplexSolver simplexSolver; - btGjkEpaPenetrationDepthSolver gjkEpaPenetrationSolver; - - btContinuousConvexCollision convexCaster1(castShape,convexShape,&simplexSolver,&gjkEpaPenetrationSolver); - //btGjkConvexCast convexCaster2(castShape,convexShape,&simplexSolver); - //btSubsimplexConvexCast convexCaster3(castShape,convexShape,&simplexSolver); - - btConvexCast* castPtr = &convexCaster1; - - - - if (castPtr->calcTimeOfImpact(convexFromTrans,convexToTrans,colObjWorldTransform,colObjWorldTransform,castResult)) - { - //add hit - if (castResult.m_normal.length2() > btScalar(0.0001)) - { - if (castResult.m_fraction < resultCallback.m_closestHitFraction) - { - castResult.m_normal.normalize(); - btCollisionWorld::LocalConvexResult localConvexResult - ( - collisionObject, - 0, - castResult.m_normal, - castResult.m_hitPoint, - castResult.m_fraction - ); - - bool normalInWorldSpace = true; - resultCallback.addSingleResult(localConvexResult, normalInWorldSpace); - - } - } - } - } else { - if (collisionShape->isConcave()) - { - if (collisionShape->getShapeType()==TRIANGLE_MESH_SHAPE_PROXYTYPE) - { - //BT_PROFILE("convexSweepbtBvhTriangleMesh"); - btBvhTriangleMeshShape* triangleMesh = (btBvhTriangleMeshShape*)collisionShape; - btTransform worldTocollisionObject = colObjWorldTransform.inverse(); - btVector3 convexFromLocal = worldTocollisionObject * convexFromTrans.getOrigin(); - btVector3 convexToLocal = worldTocollisionObject * convexToTrans.getOrigin(); - // rotation of box in local mesh space = MeshRotation^-1 * ConvexToRotation - btTransform rotationXform = btTransform(worldTocollisionObject.getBasis() * convexToTrans.getBasis()); - - //ConvexCast::CastResult - struct BridgeTriangleConvexcastCallback : public btTriangleConvexcastCallback - { - btCollisionWorld::ConvexResultCallback* m_resultCallback; - btCollisionObject* m_collisionObject; - btTriangleMeshShape* m_triangleMesh; - - BridgeTriangleConvexcastCallback(const btConvexShape* castShape, const btTransform& from,const btTransform& to, - btCollisionWorld::ConvexResultCallback* resultCallback, btCollisionObject* collisionObject,btTriangleMeshShape* triangleMesh, const btTransform& triangleToWorld): - btTriangleConvexcastCallback(castShape, from,to, triangleToWorld, triangleMesh->getMargin()), - m_resultCallback(resultCallback), - m_collisionObject(collisionObject), - m_triangleMesh(triangleMesh) - { - } - - - virtual btScalar reportHit(const btVector3& hitNormalLocal, const btVector3& hitPointLocal, btScalar hitFraction, int partId, int triangleIndex ) - { - btCollisionWorld::LocalShapeInfo shapeInfo; - shapeInfo.m_shapePart = partId; - shapeInfo.m_triangleIndex = triangleIndex; - if (hitFraction <= m_resultCallback->m_closestHitFraction) - { - - btCollisionWorld::LocalConvexResult convexResult - (m_collisionObject, - &shapeInfo, - hitNormalLocal, - hitPointLocal, - hitFraction); - - bool normalInWorldSpace = true; - - - return m_resultCallback->addSingleResult(convexResult,normalInWorldSpace); - } - return hitFraction; - } - - }; - - BridgeTriangleConvexcastCallback tccb(castShape, convexFromTrans,convexToTrans,&resultCallback,collisionObject,triangleMesh, colObjWorldTransform); - tccb.m_hitFraction = resultCallback.m_closestHitFraction; - btVector3 boxMinLocal, boxMaxLocal; - castShape->getAabb(rotationXform, boxMinLocal, boxMaxLocal); - triangleMesh->performConvexcast(&tccb,convexFromLocal,convexToLocal,boxMinLocal, boxMaxLocal); - } else - { - //BT_PROFILE("convexSweepConcave"); - btConcaveShape* concaveShape = (btConcaveShape*)collisionShape; - btTransform worldTocollisionObject = colObjWorldTransform.inverse(); - btVector3 convexFromLocal = worldTocollisionObject * convexFromTrans.getOrigin(); - btVector3 convexToLocal = worldTocollisionObject * convexToTrans.getOrigin(); - // rotation of box in local mesh space = MeshRotation^-1 * ConvexToRotation - btTransform rotationXform = btTransform(worldTocollisionObject.getBasis() * convexToTrans.getBasis()); - - //ConvexCast::CastResult - struct BridgeTriangleConvexcastCallback : public btTriangleConvexcastCallback - { - btCollisionWorld::ConvexResultCallback* m_resultCallback; - btCollisionObject* m_collisionObject; - btConcaveShape* m_triangleMesh; - - BridgeTriangleConvexcastCallback(const btConvexShape* castShape, const btTransform& from,const btTransform& to, - btCollisionWorld::ConvexResultCallback* resultCallback, btCollisionObject* collisionObject,btConcaveShape* triangleMesh, const btTransform& triangleToWorld): - btTriangleConvexcastCallback(castShape, from,to, triangleToWorld, triangleMesh->getMargin()), - m_resultCallback(resultCallback), - m_collisionObject(collisionObject), - m_triangleMesh(triangleMesh) - { - } - - - virtual btScalar reportHit(const btVector3& hitNormalLocal, const btVector3& hitPointLocal, btScalar hitFraction, int partId, int triangleIndex ) - { - btCollisionWorld::LocalShapeInfo shapeInfo; - shapeInfo.m_shapePart = partId; - shapeInfo.m_triangleIndex = triangleIndex; - if (hitFraction <= m_resultCallback->m_closestHitFraction) - { - - btCollisionWorld::LocalConvexResult convexResult - (m_collisionObject, - &shapeInfo, - hitNormalLocal, - hitPointLocal, - hitFraction); - - bool normalInWorldSpace = false; - - return m_resultCallback->addSingleResult(convexResult,normalInWorldSpace); - } - return hitFraction; - } - - }; - - BridgeTriangleConvexcastCallback tccb(castShape, convexFromTrans,convexToTrans,&resultCallback,collisionObject,concaveShape, colObjWorldTransform); - tccb.m_hitFraction = resultCallback.m_closestHitFraction; - btVector3 boxMinLocal, boxMaxLocal; - castShape->getAabb(rotationXform, boxMinLocal, boxMaxLocal); - - btVector3 rayAabbMinLocal = convexFromLocal; - rayAabbMinLocal.setMin(convexToLocal); - btVector3 rayAabbMaxLocal = convexFromLocal; - rayAabbMaxLocal.setMax(convexToLocal); - rayAabbMinLocal += boxMinLocal; - rayAabbMaxLocal += boxMaxLocal; - concaveShape->processAllTriangles(&tccb,rayAabbMinLocal,rayAabbMaxLocal); - } - } else { - ///@todo : use AABB tree or other BVH acceleration structure! - if (collisionShape->isCompound()) - { - BT_PROFILE("convexSweepCompound"); - const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(collisionShape); - int i=0; - for (i=0;i<compoundShape->getNumChildShapes();i++) - { - btTransform childTrans = compoundShape->getChildTransform(i); - const btCollisionShape* childCollisionShape = compoundShape->getChildShape(i); - btTransform childWorldTrans = colObjWorldTransform * childTrans; - // replace collision shape so that callback can determine the triangle - btCollisionShape* saveCollisionShape = collisionObject->getCollisionShape(); - collisionObject->internalSetTemporaryCollisionShape((btCollisionShape*)childCollisionShape); - struct LocalInfoAdder : public ConvexResultCallback { - ConvexResultCallback* m_userCallback; - int m_i; - - LocalInfoAdder (int i, ConvexResultCallback *user) - : m_userCallback(user),m_i(i) { } - virtual btScalar addSingleResult (btCollisionWorld::LocalConvexResult& r, bool b) - { - btCollisionWorld::LocalShapeInfo shapeInfo; - shapeInfo.m_shapePart = -1; - shapeInfo.m_triangleIndex = m_i; - if (r.m_localShapeInfo == NULL) - r.m_localShapeInfo = &shapeInfo; - return m_userCallback->addSingleResult(r, b); - } - }; - - LocalInfoAdder my_cb(i, &resultCallback); - my_cb.m_closestHitFraction = resultCallback.m_closestHitFraction; - - objectQuerySingle(castShape, convexFromTrans,convexToTrans, - collisionObject, - childCollisionShape, - childWorldTrans, - my_cb, allowedPenetration); - // restore - collisionObject->internalSetTemporaryCollisionShape(saveCollisionShape); - } - } - } - } -} - - -struct btSingleRayCallback : public btBroadphaseRayCallback -{ - - btVector3 m_rayFromWorld; - btVector3 m_rayToWorld; - btTransform m_rayFromTrans; - btTransform m_rayToTrans; - btVector3 m_hitNormal; - - const btCollisionWorld* m_world; - btCollisionWorld::RayResultCallback& m_resultCallback; - - btSingleRayCallback(const btVector3& rayFromWorld,const btVector3& rayToWorld,const btCollisionWorld* world,btCollisionWorld::RayResultCallback& resultCallback) - :m_rayFromWorld(rayFromWorld), - m_rayToWorld(rayToWorld), - m_world(world), - m_resultCallback(resultCallback) - { - m_rayFromTrans.setIdentity(); - m_rayFromTrans.setOrigin(m_rayFromWorld); - m_rayToTrans.setIdentity(); - m_rayToTrans.setOrigin(m_rayToWorld); - - btVector3 rayDir = (rayToWorld-rayFromWorld); - - rayDir.normalize (); - ///what about division by zero? --> just set rayDirection[i] to INF/BT_LARGE_FLOAT - m_rayDirectionInverse[0] = rayDir[0] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[0]; - m_rayDirectionInverse[1] = rayDir[1] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[1]; - m_rayDirectionInverse[2] = rayDir[2] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[2]; - m_signs[0] = m_rayDirectionInverse[0] < 0.0; - m_signs[1] = m_rayDirectionInverse[1] < 0.0; - m_signs[2] = m_rayDirectionInverse[2] < 0.0; - - m_lambda_max = rayDir.dot(m_rayToWorld-m_rayFromWorld); - - } - - - - virtual bool process(const btBroadphaseProxy* proxy) - { - ///terminate further ray tests, once the closestHitFraction reached zero - if (m_resultCallback.m_closestHitFraction == btScalar(0.f)) - return false; - - btCollisionObject* collisionObject = (btCollisionObject*)proxy->m_clientObject; - - //only perform raycast if filterMask matches - if(m_resultCallback.needsCollision(collisionObject->getBroadphaseHandle())) - { - //RigidcollisionObject* collisionObject = ctrl->GetRigidcollisionObject(); - //btVector3 collisionObjectAabbMin,collisionObjectAabbMax; -#if 0 -#ifdef RECALCULATE_AABB - btVector3 collisionObjectAabbMin,collisionObjectAabbMax; - collisionObject->getCollisionShape()->getAabb(collisionObject->getWorldTransform(),collisionObjectAabbMin,collisionObjectAabbMax); -#else - //getBroadphase()->getAabb(collisionObject->getBroadphaseHandle(),collisionObjectAabbMin,collisionObjectAabbMax); - const btVector3& collisionObjectAabbMin = collisionObject->getBroadphaseHandle()->m_aabbMin; - const btVector3& collisionObjectAabbMax = collisionObject->getBroadphaseHandle()->m_aabbMax; -#endif -#endif - //btScalar hitLambda = m_resultCallback.m_closestHitFraction; - //culling already done by broadphase - //if (btRayAabb(m_rayFromWorld,m_rayToWorld,collisionObjectAabbMin,collisionObjectAabbMax,hitLambda,m_hitNormal)) - { - m_world->rayTestSingle(m_rayFromTrans,m_rayToTrans, - collisionObject, - collisionObject->getCollisionShape(), - collisionObject->getWorldTransform(), - m_resultCallback); - } - } - return true; - } -}; - -void btCollisionWorld::rayTest(const btVector3& rayFromWorld, const btVector3& rayToWorld, RayResultCallback& resultCallback) const -{ - //BT_PROFILE("rayTest"); - /// use the broadphase to accelerate the search for objects, based on their aabb - /// and for each object with ray-aabb overlap, perform an exact ray test - btSingleRayCallback rayCB(rayFromWorld,rayToWorld,this,resultCallback); - -#ifndef USE_BRUTEFORCE_RAYBROADPHASE - m_broadphasePairCache->rayTest(rayFromWorld,rayToWorld,rayCB); -#else - for (int i=0;i<this->getNumCollisionObjects();i++) - { - rayCB.process(m_collisionObjects[i]->getBroadphaseHandle()); - } -#endif //USE_BRUTEFORCE_RAYBROADPHASE - -} - - -struct btSingleSweepCallback : public btBroadphaseRayCallback -{ - - btTransform m_convexFromTrans; - btTransform m_convexToTrans; - btVector3 m_hitNormal; - const btCollisionWorld* m_world; - btCollisionWorld::ConvexResultCallback& m_resultCallback; - btScalar m_allowedCcdPenetration; - const btConvexShape* m_castShape; - - - btSingleSweepCallback(const btConvexShape* castShape, const btTransform& convexFromTrans,const btTransform& convexToTrans,const btCollisionWorld* world,btCollisionWorld::ConvexResultCallback& resultCallback,btScalar allowedPenetration) - :m_convexFromTrans(convexFromTrans), - m_convexToTrans(convexToTrans), - m_world(world), - m_resultCallback(resultCallback), - m_allowedCcdPenetration(allowedPenetration), - m_castShape(castShape) - { - btVector3 unnormalizedRayDir = (m_convexToTrans.getOrigin()-m_convexFromTrans.getOrigin()); - btVector3 rayDir = unnormalizedRayDir.normalized(); - ///what about division by zero? --> just set rayDirection[i] to INF/BT_LARGE_FLOAT - m_rayDirectionInverse[0] = rayDir[0] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[0]; - m_rayDirectionInverse[1] = rayDir[1] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[1]; - m_rayDirectionInverse[2] = rayDir[2] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[2]; - m_signs[0] = m_rayDirectionInverse[0] < 0.0; - m_signs[1] = m_rayDirectionInverse[1] < 0.0; - m_signs[2] = m_rayDirectionInverse[2] < 0.0; - - m_lambda_max = rayDir.dot(unnormalizedRayDir); - - } - - virtual bool process(const btBroadphaseProxy* proxy) - { - ///terminate further convex sweep tests, once the closestHitFraction reached zero - if (m_resultCallback.m_closestHitFraction == btScalar(0.f)) - return false; - - btCollisionObject* collisionObject = (btCollisionObject*)proxy->m_clientObject; - - //only perform raycast if filterMask matches - if(m_resultCallback.needsCollision(collisionObject->getBroadphaseHandle())) { - //RigidcollisionObject* collisionObject = ctrl->GetRigidcollisionObject(); - m_world->objectQuerySingle(m_castShape, m_convexFromTrans,m_convexToTrans, - collisionObject, - collisionObject->getCollisionShape(), - collisionObject->getWorldTransform(), - m_resultCallback, - m_allowedCcdPenetration); - } - - return true; - } -}; - - - -void btCollisionWorld::convexSweepTest(const btConvexShape* castShape, const btTransform& convexFromWorld, const btTransform& convexToWorld, ConvexResultCallback& resultCallback, btScalar allowedCcdPenetration) const -{ - - BT_PROFILE("convexSweepTest"); - /// use the broadphase to accelerate the search for objects, based on their aabb - /// and for each object with ray-aabb overlap, perform an exact ray test - /// unfortunately the implementation for rayTest and convexSweepTest duplicated, albeit practically identical - - - - btTransform convexFromTrans,convexToTrans; - convexFromTrans = convexFromWorld; - convexToTrans = convexToWorld; - btVector3 castShapeAabbMin, castShapeAabbMax; - /* Compute AABB that encompasses angular movement */ - { - btVector3 linVel, angVel; - btTransformUtil::calculateVelocity (convexFromTrans, convexToTrans, 1.0, linVel, angVel); - btVector3 zeroLinVel; - zeroLinVel.setValue(0,0,0); - btTransform R; - R.setIdentity (); - R.setRotation (convexFromTrans.getRotation()); - castShape->calculateTemporalAabb (R, zeroLinVel, angVel, 1.0, castShapeAabbMin, castShapeAabbMax); - } - -#ifndef USE_BRUTEFORCE_RAYBROADPHASE - - btSingleSweepCallback convexCB(castShape,convexFromWorld,convexToWorld,this,resultCallback,allowedCcdPenetration); - - m_broadphasePairCache->rayTest(convexFromTrans.getOrigin(),convexToTrans.getOrigin(),convexCB,castShapeAabbMin,castShapeAabbMax); - -#else - /// go over all objects, and if the ray intersects their aabb + cast shape aabb, - // do a ray-shape query using convexCaster (CCD) - int i; - for (i=0;i<m_collisionObjects.size();i++) - { - btCollisionObject* collisionObject= m_collisionObjects[i]; - //only perform raycast if filterMask matches - if(resultCallback.needsCollision(collisionObject->getBroadphaseHandle())) { - //RigidcollisionObject* collisionObject = ctrl->GetRigidcollisionObject(); - btVector3 collisionObjectAabbMin,collisionObjectAabbMax; - collisionObject->getCollisionShape()->getAabb(collisionObject->getWorldTransform(),collisionObjectAabbMin,collisionObjectAabbMax); - AabbExpand (collisionObjectAabbMin, collisionObjectAabbMax, castShapeAabbMin, castShapeAabbMax); - btScalar hitLambda = btScalar(1.); //could use resultCallback.m_closestHitFraction, but needs testing - btVector3 hitNormal; - if (btRayAabb(convexFromWorld.getOrigin(),convexToWorld.getOrigin(),collisionObjectAabbMin,collisionObjectAabbMax,hitLambda,hitNormal)) - { - objectQuerySingle(castShape, convexFromTrans,convexToTrans, - collisionObject, - collisionObject->getCollisionShape(), - collisionObject->getWorldTransform(), - resultCallback, - allowedCcdPenetration); - } - } - } -#endif //USE_BRUTEFORCE_RAYBROADPHASE -} - - - -struct btBridgedManifoldResult : public btManifoldResult -{ - - btCollisionWorld::ContactResultCallback& m_resultCallback; - - btBridgedManifoldResult( btCollisionObject* obj0,btCollisionObject* obj1,btCollisionWorld::ContactResultCallback& resultCallback ) - :btManifoldResult(obj0,obj1), - m_resultCallback(resultCallback) - { - } - - virtual void addContactPoint(const btVector3& normalOnBInWorld,const btVector3& pointInWorld,btScalar depth) - { - 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; - - //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; - } - - //experimental feature info, for per-triangle material etc. - btCollisionObject* obj0 = isSwapped? m_body1 : m_body0; - btCollisionObject* obj1 = isSwapped? m_body0 : m_body1; - m_resultCallback.addSingleResult(newPt,obj0,newPt.m_partId0,newPt.m_index0,obj1,newPt.m_partId1,newPt.m_index1); - - } - -}; - - - -struct btSingleContactCallback : public btBroadphaseAabbCallback -{ - - btCollisionObject* m_collisionObject; - btCollisionWorld* m_world; - btCollisionWorld::ContactResultCallback& m_resultCallback; - - - btSingleContactCallback(btCollisionObject* collisionObject, btCollisionWorld* world,btCollisionWorld::ContactResultCallback& resultCallback) - :m_collisionObject(collisionObject), - m_world(world), - m_resultCallback(resultCallback) - { - } - - virtual bool process(const btBroadphaseProxy* proxy) - { - btCollisionObject* collisionObject = (btCollisionObject*)proxy->m_clientObject; - if (collisionObject == m_collisionObject) - return true; - - //only perform raycast if filterMask matches - if(m_resultCallback.needsCollision(collisionObject->getBroadphaseHandle())) - { - btCollisionAlgorithm* algorithm = m_world->getDispatcher()->findAlgorithm(m_collisionObject,collisionObject); - if (algorithm) - { - btBridgedManifoldResult contactPointResult(m_collisionObject,collisionObject, m_resultCallback); - //discrete collision detection query - algorithm->processCollision(m_collisionObject,collisionObject, m_world->getDispatchInfo(),&contactPointResult); - - algorithm->~btCollisionAlgorithm(); - m_world->getDispatcher()->freeCollisionAlgorithm(algorithm); - } - } - return true; - } -}; - - -///contactTest performs a discrete collision test against all objects in the btCollisionWorld, and calls the resultCallback. -///it reports one or more contact points for every overlapping object (including the one with deepest penetration) -void btCollisionWorld::contactTest( btCollisionObject* colObj, ContactResultCallback& resultCallback) -{ - btVector3 aabbMin,aabbMax; - colObj->getCollisionShape()->getAabb(colObj->getWorldTransform(),aabbMin,aabbMax); - btSingleContactCallback contactCB(colObj,this,resultCallback); - - m_broadphasePairCache->aabbTest(aabbMin,aabbMax,contactCB); -} - - -///contactTest performs a discrete collision test between two collision objects and calls the resultCallback if overlap if detected. -///it reports one or more contact points (including the one with deepest penetration) -void btCollisionWorld::contactPairTest(btCollisionObject* colObjA, btCollisionObject* colObjB, ContactResultCallback& resultCallback) -{ - btCollisionAlgorithm* algorithm = getDispatcher()->findAlgorithm(colObjA,colObjB); - if (algorithm) - { - btBridgedManifoldResult contactPointResult(colObjA,colObjB, resultCallback); - //discrete collision detection query - algorithm->processCollision(colObjA,colObjB, getDispatchInfo(),&contactPointResult); - - algorithm->~btCollisionAlgorithm(); - getDispatcher()->freeCollisionAlgorithm(algorithm); - } - -} - - - - -class DebugDrawcallback : public btTriangleCallback, public btInternalTriangleIndexCallback -{ - btIDebugDraw* m_debugDrawer; - btVector3 m_color; - btTransform m_worldTrans; - -public: - - DebugDrawcallback(btIDebugDraw* debugDrawer,const btTransform& worldTrans,const btVector3& color) : - m_debugDrawer(debugDrawer), - m_color(color), - m_worldTrans(worldTrans) - { - } - - virtual void internalProcessTriangleIndex(btVector3* triangle,int partId,int triangleIndex) - { - processTriangle(triangle,partId,triangleIndex); - } - - virtual void processTriangle(btVector3* triangle,int partId, int triangleIndex) - { - (void)partId; - (void)triangleIndex; - - btVector3 wv0,wv1,wv2; - wv0 = m_worldTrans*triangle[0]; - wv1 = m_worldTrans*triangle[1]; - wv2 = m_worldTrans*triangle[2]; - btVector3 center = (wv0+wv1+wv2)*btScalar(1./3.); - - btVector3 normal = (wv1-wv0).cross(wv2-wv0); - normal.normalize(); - btVector3 normalColor(1,1,0); - m_debugDrawer->drawLine(center,center+normal,normalColor); - - - - - m_debugDrawer->drawLine(wv0,wv1,m_color); - m_debugDrawer->drawLine(wv1,wv2,m_color); - m_debugDrawer->drawLine(wv2,wv0,m_color); - } -}; - - -void btCollisionWorld::debugDrawObject(const btTransform& worldTransform, const btCollisionShape* shape, const btVector3& color) -{ - // Draw a small simplex at the center of the object - { - btVector3 start = worldTransform.getOrigin(); - getDebugDrawer()->drawLine(start, start+worldTransform.getBasis() * btVector3(1,0,0), btVector3(1,0,0)); - getDebugDrawer()->drawLine(start, start+worldTransform.getBasis() * btVector3(0,1,0), btVector3(0,1,0)); - getDebugDrawer()->drawLine(start, start+worldTransform.getBasis() * btVector3(0,0,1), btVector3(0,0,1)); - } - - if (shape->getShapeType() == COMPOUND_SHAPE_PROXYTYPE) - { - const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(shape); - for (int i=compoundShape->getNumChildShapes()-1;i>=0;i--) - { - btTransform childTrans = compoundShape->getChildTransform(i); - const btCollisionShape* colShape = compoundShape->getChildShape(i); - debugDrawObject(worldTransform*childTrans,colShape,color); - } - - } else - { - switch (shape->getShapeType()) - { - - case BOX_SHAPE_PROXYTYPE: - { - const btBoxShape* boxShape = static_cast<const btBoxShape*>(shape); - btVector3 halfExtents = boxShape->getHalfExtentsWithMargin(); - getDebugDrawer()->drawBox(-halfExtents,halfExtents,worldTransform,color); - break; - } - - case SPHERE_SHAPE_PROXYTYPE: - { - const btSphereShape* sphereShape = static_cast<const btSphereShape*>(shape); - btScalar radius = sphereShape->getMargin();//radius doesn't include the margin, so draw with margin - - getDebugDrawer()->drawSphere(radius, worldTransform, color); - break; - } - case MULTI_SPHERE_SHAPE_PROXYTYPE: - { - const btMultiSphereShape* multiSphereShape = static_cast<const btMultiSphereShape*>(shape); - - btTransform childTransform; - childTransform.setIdentity(); - - for (int i = multiSphereShape->getSphereCount()-1; i>=0;i--) - { - childTransform.setOrigin(multiSphereShape->getSpherePosition(i)); - getDebugDrawer()->drawSphere(multiSphereShape->getSphereRadius(i), worldTransform*childTransform, color); - } - - break; - } - case CAPSULE_SHAPE_PROXYTYPE: - { - const btCapsuleShape* capsuleShape = static_cast<const btCapsuleShape*>(shape); - - btScalar radius = capsuleShape->getRadius(); - btScalar halfHeight = capsuleShape->getHalfHeight(); - - int upAxis = capsuleShape->getUpAxis(); - - - btVector3 capStart(0.f,0.f,0.f); - capStart[upAxis] = -halfHeight; - - btVector3 capEnd(0.f,0.f,0.f); - capEnd[upAxis] = halfHeight; - - // Draw the ends - { - - btTransform childTransform = worldTransform; - childTransform.getOrigin() = worldTransform * capStart; - getDebugDrawer()->drawSphere(radius, childTransform, color); - } - - { - btTransform childTransform = worldTransform; - childTransform.getOrigin() = worldTransform * capEnd; - getDebugDrawer()->drawSphere(radius, childTransform, color); - } - - // Draw some additional lines - btVector3 start = worldTransform.getOrigin(); - - - capStart[(upAxis+1)%3] = radius; - capEnd[(upAxis+1)%3] = radius; - getDebugDrawer()->drawLine(start+worldTransform.getBasis() * capStart,start+worldTransform.getBasis() * capEnd, color); - capStart[(upAxis+1)%3] = -radius; - capEnd[(upAxis+1)%3] = -radius; - getDebugDrawer()->drawLine(start+worldTransform.getBasis() * capStart,start+worldTransform.getBasis() * capEnd, color); - - capStart[(upAxis+1)%3] = 0.f; - capEnd[(upAxis+1)%3] = 0.f; - - capStart[(upAxis+2)%3] = radius; - capEnd[(upAxis+2)%3] = radius; - getDebugDrawer()->drawLine(start+worldTransform.getBasis() * capStart,start+worldTransform.getBasis() * capEnd, color); - capStart[(upAxis+2)%3] = -radius; - capEnd[(upAxis+2)%3] = -radius; - getDebugDrawer()->drawLine(start+worldTransform.getBasis() * capStart,start+worldTransform.getBasis() * capEnd, color); - - - break; - } - case CONE_SHAPE_PROXYTYPE: - { - const btConeShape* coneShape = static_cast<const btConeShape*>(shape); - btScalar radius = coneShape->getRadius();//+coneShape->getMargin(); - btScalar height = coneShape->getHeight();//+coneShape->getMargin(); - btVector3 start = worldTransform.getOrigin(); - - int upAxis= coneShape->getConeUpIndex(); - - - btVector3 offsetHeight(0,0,0); - offsetHeight[upAxis] = height * btScalar(0.5); - btVector3 offsetRadius(0,0,0); - offsetRadius[(upAxis+1)%3] = radius; - btVector3 offset2Radius(0,0,0); - offset2Radius[(upAxis+2)%3] = radius; - - getDebugDrawer()->drawLine(start+worldTransform.getBasis() * (offsetHeight),start+worldTransform.getBasis() * (-offsetHeight+offsetRadius),color); - getDebugDrawer()->drawLine(start+worldTransform.getBasis() * (offsetHeight),start+worldTransform.getBasis() * (-offsetHeight-offsetRadius),color); - getDebugDrawer()->drawLine(start+worldTransform.getBasis() * (offsetHeight),start+worldTransform.getBasis() * (-offsetHeight+offset2Radius),color); - getDebugDrawer()->drawLine(start+worldTransform.getBasis() * (offsetHeight),start+worldTransform.getBasis() * (-offsetHeight-offset2Radius),color); - - - - break; - - } - case CYLINDER_SHAPE_PROXYTYPE: - { - const btCylinderShape* cylinder = static_cast<const btCylinderShape*>(shape); - int upAxis = cylinder->getUpAxis(); - btScalar radius = cylinder->getRadius(); - btScalar halfHeight = cylinder->getHalfExtentsWithMargin()[upAxis]; - btVector3 start = worldTransform.getOrigin(); - btVector3 offsetHeight(0,0,0); - offsetHeight[upAxis] = halfHeight; - btVector3 offsetRadius(0,0,0); - offsetRadius[(upAxis+1)%3] = radius; - getDebugDrawer()->drawLine(start+worldTransform.getBasis() * (offsetHeight+offsetRadius),start+worldTransform.getBasis() * (-offsetHeight+offsetRadius),color); - getDebugDrawer()->drawLine(start+worldTransform.getBasis() * (offsetHeight-offsetRadius),start+worldTransform.getBasis() * (-offsetHeight-offsetRadius),color); - break; - } - - case STATIC_PLANE_PROXYTYPE: - { - const btStaticPlaneShape* staticPlaneShape = static_cast<const btStaticPlaneShape*>(shape); - btScalar planeConst = staticPlaneShape->getPlaneConstant(); - const btVector3& planeNormal = staticPlaneShape->getPlaneNormal(); - btVector3 planeOrigin = planeNormal * planeConst; - btVector3 vec0,vec1; - btPlaneSpace1(planeNormal,vec0,vec1); - btScalar vecLen = 100.f; - btVector3 pt0 = planeOrigin + vec0*vecLen; - btVector3 pt1 = planeOrigin - vec0*vecLen; - btVector3 pt2 = planeOrigin + vec1*vecLen; - btVector3 pt3 = planeOrigin - vec1*vecLen; - getDebugDrawer()->drawLine(worldTransform*pt0,worldTransform*pt1,color); - getDebugDrawer()->drawLine(worldTransform*pt2,worldTransform*pt3,color); - break; - - } - default: - { - - if (shape->isConcave()) - { - btConcaveShape* concaveMesh = (btConcaveShape*) shape; - - ///@todo pass camera, for some culling? no -> we are not a graphics lib - btVector3 aabbMax(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT)); - btVector3 aabbMin(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT)); - - DebugDrawcallback drawCallback(getDebugDrawer(),worldTransform,color); - concaveMesh->processAllTriangles(&drawCallback,aabbMin,aabbMax); - - } - - if (shape->getShapeType() == CONVEX_TRIANGLEMESH_SHAPE_PROXYTYPE) - { - btConvexTriangleMeshShape* convexMesh = (btConvexTriangleMeshShape*) shape; - //todo: pass camera for some culling - btVector3 aabbMax(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT)); - btVector3 aabbMin(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT)); - //DebugDrawcallback drawCallback; - DebugDrawcallback drawCallback(getDebugDrawer(),worldTransform,color); - convexMesh->getMeshInterface()->InternalProcessAllTriangles(&drawCallback,aabbMin,aabbMax); - } - - - /// for polyhedral shapes - if (shape->isPolyhedral()) - { - btPolyhedralConvexShape* polyshape = (btPolyhedralConvexShape*) shape; - - int i; - for (i=0;i<polyshape->getNumEdges();i++) - { - btVector3 a,b; - polyshape->getEdge(i,a,b); - btVector3 wa = worldTransform * a; - btVector3 wb = worldTransform * b; - getDebugDrawer()->drawLine(wa,wb,color); - - } - - - } - } - } - } -} - - -void btCollisionWorld::debugDrawWorld() -{ - if (getDebugDrawer() && getDebugDrawer()->getDebugMode() & btIDebugDraw::DBG_DrawContactPoints) - { - int numManifolds = getDispatcher()->getNumManifolds(); - btVector3 color(0,0,0); - for (int i=0;i<numManifolds;i++) - { - btPersistentManifold* contactManifold = getDispatcher()->getManifoldByIndexInternal(i); - //btCollisionObject* obA = static_cast<btCollisionObject*>(contactManifold->getBody0()); - //btCollisionObject* obB = static_cast<btCollisionObject*>(contactManifold->getBody1()); - - int numContacts = contactManifold->getNumContacts(); - for (int j=0;j<numContacts;j++) - { - btManifoldPoint& cp = contactManifold->getContactPoint(j); - getDebugDrawer()->drawContactPoint(cp.m_positionWorldOnB,cp.m_normalWorldOnB,cp.getDistance(),cp.getLifeTime(),color); - } - } - } - - if (getDebugDrawer() && getDebugDrawer()->getDebugMode() & (btIDebugDraw::DBG_DrawWireframe | btIDebugDraw::DBG_DrawAabb)) - { - int i; - - for ( i=0;i<m_collisionObjects.size();i++) - { - btCollisionObject* colObj = m_collisionObjects[i]; - if ((colObj->getCollisionFlags() & btCollisionObject::CF_DISABLE_VISUALIZE_OBJECT)==0) - { - if (getDebugDrawer() && getDebugDrawer()->getDebugMode() & btIDebugDraw::DBG_DrawWireframe) - { - btVector3 color(btScalar(1.),btScalar(1.),btScalar(1.)); - switch(colObj->getActivationState()) - { - case ACTIVE_TAG: - color = btVector3(btScalar(1.),btScalar(1.),btScalar(1.)); break; - case ISLAND_SLEEPING: - color = btVector3(btScalar(0.),btScalar(1.),btScalar(0.));break; - case WANTS_DEACTIVATION: - color = btVector3(btScalar(0.),btScalar(1.),btScalar(1.));break; - case DISABLE_DEACTIVATION: - color = btVector3(btScalar(1.),btScalar(0.),btScalar(0.));break; - case DISABLE_SIMULATION: - color = btVector3(btScalar(1.),btScalar(1.),btScalar(0.));break; - default: - { - color = btVector3(btScalar(1),btScalar(0.),btScalar(0.)); - } - }; - - debugDrawObject(colObj->getWorldTransform(),colObj->getCollisionShape(),color); - } - if (m_debugDrawer && (m_debugDrawer->getDebugMode() & btIDebugDraw::DBG_DrawAabb)) - { - btVector3 minAabb,maxAabb; - btVector3 colorvec(1,0,0); - colObj->getCollisionShape()->getAabb(colObj->getWorldTransform(), minAabb,maxAabb); - m_debugDrawer->drawAabb(minAabb,maxAabb,colorvec); - } - } - - } - } -} - - -void btCollisionWorld::serializeCollisionObjects(btSerializer* serializer) -{ - int i; - //serialize all collision objects - for (i=0;i<m_collisionObjects.size();i++) - { - btCollisionObject* colObj = m_collisionObjects[i]; - if (colObj->getInternalType() == btCollisionObject::CO_COLLISION_OBJECT) - { - colObj->serializeSingleObject(serializer); - } - } - - ///keep track of shapes already serialized - btHashMap<btHashPtr,btCollisionShape*> serializedShapes; - - for (i=0;i<m_collisionObjects.size();i++) - { - btCollisionObject* colObj = m_collisionObjects[i]; - btCollisionShape* shape = colObj->getCollisionShape(); - - if (!serializedShapes.find(shape)) - { - serializedShapes.insert(shape,shape); - shape->serializeSingleShape(serializer); - } - } - -} - - -void btCollisionWorld::serialize(btSerializer* serializer) -{ - - serializer->startSerialization(); - - serializeCollisionObjects(serializer); - - serializer->finishSerialization(); -} - |