/**************************************************************************** Copyright (c) 2020-2023 Xiamen Yaji Software Co., Ltd. http://www.cocos.com Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ****************************************************************************/ #include "physics/physx/PhysXWorld.h" #include "base/memory/Memory.h" #include "physics/physx/PhysXFilterShader.h" #include "physics/physx/PhysXInc.h" #include "physics/physx/PhysXUtils.h" #include "physics/physx/joints/PhysXJoint.h" #include "physics/spec/IWorld.h" #include "core/Root.h" #include "scene/Camera.h" #include "scene/RenderWindow.h" #include "renderer/pipeline/Define.h" #include "renderer/pipeline/RenderPipeline.h" namespace cc { namespace physics { PhysXWorld *PhysXWorld::instance = nullptr; uint32_t PhysXWorld::_msWrapperObjectID = 1; // starts from 1 because 0 means null uint32_t PhysXWorld::_msPXObjectID = 0; PhysXWorld &PhysXWorld::getInstance() { return *instance; } physx::PxFoundation &PhysXWorld::getFundation() { return *getInstance()._mFoundation; } physx::PxCooking &PhysXWorld::getCooking() { return *getInstance()._mCooking; } physx::PxPhysics &PhysXWorld::getPhysics() { return *getInstance()._mPhysics; } physx::PxControllerManager &PhysXWorld::getControllerManager() { return *getInstance()._mControllerManager; } PhysXWorld::PhysXWorld() { instance = this; static physx::PxDefaultAllocator gAllocator; static physx::PxDefaultErrorCallback gErrorCallback; _mFoundation = PxCreateFoundation(PX_PHYSICS_VERSION, gAllocator, gErrorCallback); physx::PxTolerancesScale scale{}; _mCooking = PxCreateCooking(PX_PHYSICS_VERSION, *_mFoundation, physx::PxCookingParams(scale)); physx::PxPvd *pvd = nullptr; #ifdef CC_DEBUG pvd = _mPvd = physx::PxCreatePvd(*_mFoundation); physx::PxPvdTransport *transport = physx::PxDefaultPvdSocketTransportCreate("127.0.0.1", 5425, 10); _mPvd->connect(*transport, physx::PxPvdInstrumentationFlag::eALL); #endif _mPhysics = PxCreatePhysics(PX_PHYSICS_VERSION, *_mFoundation, scale, true, pvd); PxInitExtensions(*_mPhysics, pvd); _mDispatcher = physx::PxDefaultCpuDispatcherCreate(0); _mEventMgr = ccnew PhysXEventManager(); physx::PxSceneDesc sceneDesc(_mPhysics->getTolerancesScale()); sceneDesc.gravity = physx::PxVec3(0.0F, -10.0F, 0.0F); sceneDesc.cpuDispatcher = _mDispatcher; sceneDesc.kineKineFilteringMode = physx::PxPairFilteringMode::eKEEP; sceneDesc.staticKineFilteringMode = physx::PxPairFilteringMode::eKEEP; sceneDesc.flags |= physx::PxSceneFlag::eENABLE_CCD; sceneDesc.filterShader = simpleFilterShader; sceneDesc.simulationEventCallback = &_mEventMgr->getEventCallback(); _mScene = _mPhysics->createScene(sceneDesc); _mScene->setVisualizationParameter(physx::PxVisualizationParameter::eSCALE, 1.0F); _mControllerManager = PxCreateControllerManager(*_mScene); _mCollisionMatrix[0] = 1; createMaterial(0, 0.6F, 0.6F, 0.1F, 2, 2); } PhysXWorld::~PhysXWorld() { auto &materialMap = getPxMaterialMap(); // clear material cache materialMap.clear(); delete _mEventMgr; PhysXJoint::releaseTempRigidActor(); PX_RELEASE(_mControllerManager); PX_RELEASE(_mScene); PX_RELEASE(_mDispatcher); PX_RELEASE(_mPhysics); #ifdef CC_DEBUG physx::PxPvdTransport *transport = _mPvd->getTransport(); PX_RELEASE(_mPvd); PX_RELEASE(transport); #endif // release cooking before foundation PX_RELEASE(_mCooking); PxCloseExtensions(); PX_RELEASE(_mFoundation); } void PhysXWorld::step(float fixedTimeStep) { _mScene->simulate(fixedTimeStep); _mScene->fetchResults(true); syncPhysicsToScene(); #if CC_USE_GEOMETRY_RENDERER debugDraw(); #endif } #if CC_USE_GEOMETRY_RENDERER pipeline::GeometryRenderer* PhysXWorld::getDebugRenderer () { auto cameras = Root::getInstance()->getMainWindow()->getCameras(); scene::Camera* camera = nullptr; for (int c = 0; c < cameras.size(); c++) { if (!cameras[c]) continue; const bool defaultCamera = cameras[c]->getVisibility() & static_cast(pipeline::LayerList::DEFAULT); if (defaultCamera) { camera = cameras[c]; break; } } if (camera) { camera->initGeometryRenderer(); return camera->getGeometryRenderer(); } return nullptr; } void PhysXWorld::debugDraw () { pipeline::GeometryRenderer* debugRenderer = getDebugRenderer(); if (!debugRenderer) return; _debugLineCount = 0; static Vec3 v0, v1; static gfx::Color c; auto& rb = _mScene->getRenderBuffer(); // lines for (int i = 0; i < rb.getNbLines(); i++) { if (_debugLineCount < _MAX_DEBUG_LINE_COUNT){ _debugLineCount++; const physx::PxDebugLine& line = rb.getLines()[i]; pxSetColor(c, line.color0); pxSetVec3Ext(v0, line.pos0); pxSetVec3Ext(v1, line.pos1); debugRenderer->addLine(v0, v1, c); } } // triangles for (int i = 0; i < rb.getNbTriangles(); i++) { if (_debugLineCount < _MAX_DEBUG_LINE_COUNT - 3) { _debugLineCount = _debugLineCount + 3; const physx::PxDebugTriangle& triangle = rb.getTriangles()[i]; pxSetColor(c, triangle.color0); pxSetVec3Ext(v0, triangle.pos0); pxSetVec3Ext(v1, triangle.pos1); debugRenderer->addLine(v0, v1, c); pxSetVec3Ext(v0, triangle.pos1); pxSetVec3Ext(v1, triangle.pos2); debugRenderer->addLine(v0, v1, c); pxSetVec3Ext(v0, triangle.pos2); pxSetVec3Ext(v1, triangle.pos0); debugRenderer->addLine(v0, v1, c); } } } void PhysXWorld::setDebugDrawMode() { if (uint32_t(_debugDrawFlags) & uint32_t(EPhysicsDrawFlags::WIRE_FRAME)) { _mScene->setVisualizationParameter(physx::PxVisualizationParameter::eCOLLISION_SHAPES, 1); } else { _mScene->setVisualizationParameter(physx::PxVisualizationParameter::eCOLLISION_SHAPES, 0); } bool drawConstraint = bool(uint32_t(_debugDrawFlags) & uint32_t(EPhysicsDrawFlags::CONSTRAINT)); float internalConstraintSize = drawConstraint ? _debugConstraintSize : 0; _mScene->setVisualizationParameter(physx::PxVisualizationParameter::eJOINT_LOCAL_FRAMES, internalConstraintSize); _mScene->setVisualizationParameter(physx::PxVisualizationParameter::eJOINT_LIMITS, internalConstraintSize); if (uint32_t(_debugDrawFlags) & uint32_t(EPhysicsDrawFlags::AABB)) { _mScene->setVisualizationParameter(physx::PxVisualizationParameter::eCOLLISION_AABBS, 1); } else { _mScene->setVisualizationParameter(physx::PxVisualizationParameter::eCOLLISION_AABBS, 0); } } void PhysXWorld::setDebugDrawFlags(EPhysicsDrawFlags flags) { _debugDrawFlags = flags; setDebugDrawMode(); } EPhysicsDrawFlags PhysXWorld::getDebugDrawFlags() { return _debugDrawFlags; } void PhysXWorld::setDebugDrawConstraintSize(float size) { _debugConstraintSize = size; setDebugDrawMode(); } float PhysXWorld::getDebugDrawConstraintSize() { return _debugConstraintSize; } #endif void PhysXWorld::setGravity(float x, float y, float z) { _mScene->setGravity(physx::PxVec3(x, y, z)); } void PhysXWorld::destroy() { } void PhysXWorld::setCollisionMatrix(uint32_t index, uint32_t mask) { if (index > 31) return; _mCollisionMatrix[index] = mask; } uint32_t PhysXWorld::createConvex(ConvexDesc &desc) { physx::PxConvexMeshDesc convexDesc; convexDesc.points.count = desc.positionLength; convexDesc.points.stride = sizeof(physx::PxVec3); convexDesc.points.data = static_cast(desc.positions); convexDesc.flags = physx::PxConvexFlag::eCOMPUTE_CONVEX; physx::PxConvexMesh *convexMesh = getCooking().createConvexMesh(convexDesc, PxGetPhysics().getPhysicsInsertionCallback()); uint32_t pxObjectID = addPXObject(reinterpret_cast(convexMesh)); return pxObjectID; } uint32_t PhysXWorld::createTrimesh(TrimeshDesc &desc) { physx::PxTriangleMeshDesc meshDesc; meshDesc.points.count = desc.positionLength; meshDesc.points.stride = sizeof(physx::PxVec3); meshDesc.points.data = static_cast(desc.positions); meshDesc.triangles.count = desc.triangleLength; if (desc.isU16) { meshDesc.triangles.stride = 3 * sizeof(physx::PxU16); meshDesc.triangles.data = static_cast(desc.triangles); meshDesc.flags = physx::PxMeshFlag::e16_BIT_INDICES; } else { meshDesc.triangles.stride = 3 * sizeof(physx::PxU32); meshDesc.triangles.data = static_cast(desc.triangles); } physx::PxTriangleMesh *triangleMesh = getCooking().createTriangleMesh(meshDesc, PxGetPhysics().getPhysicsInsertionCallback()); uint32_t pxObjectID = addPXObject(reinterpret_cast(triangleMesh)); return pxObjectID; } uint32_t PhysXWorld::createHeightField(HeightFieldDesc &desc) { const auto rows = desc.rows; const auto columns = desc.columns; const physx::PxU32 counts = rows * columns; auto *samples = ccnew physx::PxHeightFieldSample[counts]; for (physx::PxU32 r = 0; r < rows; r++) { for (physx::PxU32 c = 0; c < columns; c++) { const auto index = c + r * columns; auto v = (static_cast(desc.samples))[index]; samples[index].height = v; } } physx::PxHeightFieldDesc hfDesc; hfDesc.nbRows = rows; hfDesc.nbColumns = columns; hfDesc.samples.data = samples; hfDesc.samples.stride = sizeof(physx::PxHeightFieldSample); physx::PxHeightField *hf = getCooking().createHeightField(hfDesc, PxGetPhysics().getPhysicsInsertionCallback()); delete[] samples; uint32_t pxObjectID = addPXObject(reinterpret_cast(hf)); return pxObjectID; } bool PhysXWorld::createMaterial(uint16_t id, float f, float df, float r, uint8_t m0, uint8_t m1) { physx::PxMaterial *mat; auto &m = getPxMaterialMap(); if (m.find(id) == m.end()) { mat = PxGetPhysics().createMaterial(f, df, r); // add reference count avoid auto releasing by physx mat->acquireReference(); m[id] = reinterpret_cast(mat); mat->setFrictionCombineMode(physx::PxCombineMode::Enum(m0)); mat->setRestitutionCombineMode(physx::PxCombineMode::Enum(m1)); } else { mat = reinterpret_cast(m[id]); mat->setStaticFriction(f); mat->setDynamicFriction(df); mat->setRestitution(r); mat->setFrictionCombineMode(physx::PxCombineMode::Enum(m0)); mat->setRestitutionCombineMode(physx::PxCombineMode::Enum(m1)); } return true; } uintptr_t PhysXWorld::getPXMaterialPtrWithMaterialID(uint32_t materialID) { auto &m = getPxMaterialMap(); auto const &it = m.find(materialID); if (it == m.end()) { return 0; } else { return it->second; } } void PhysXWorld::emitEvents() { _mEventMgr->refreshPairs(); } void PhysXWorld::syncSceneToPhysics() { for (auto const &sb : _mSharedBodies) { sb->syncSceneToPhysics(); } for (auto const &cct : _mCCTs) { cct->syncSceneToPhysics(); } } uint32_t PhysXWorld::getMaskByIndex(uint32_t i) { if (i > 31) i = 0; return _mCollisionMatrix[i]; } void PhysXWorld::syncPhysicsToScene() { for (auto const &sb : _mSharedBodies) { sb->syncPhysicsToScene(); } } void PhysXWorld::syncSceneWithCheck() { for (auto const &sb : _mSharedBodies) { sb->syncSceneWithCheck(); } } void PhysXWorld::setAllowSleep(bool val) { } void PhysXWorld::addActor(const PhysXSharedBody &sb) { auto beg = _mSharedBodies.begin(); auto end = _mSharedBodies.end(); auto iter = find(beg, end, &sb); if (iter == end) { _mScene->addActor(*(const_cast(sb).getImpl().rigidActor)); _mSharedBodies.push_back(&const_cast(sb)); } } void PhysXWorld::removeActor(const PhysXSharedBody &sb) { auto beg = _mSharedBodies.begin(); auto end = _mSharedBodies.end(); auto iter = find(beg, end, &sb); if (iter != end) { _mScene->removeActor(*(const_cast(sb).getImpl().rigidActor), true); _mSharedBodies.erase(iter); } } void PhysXWorld::addCCT (const PhysXCharacterController &cct) { auto beg = _mCCTs.begin(); auto end = _mCCTs.end(); auto iter = find(beg, end, &cct); if (iter == end) { _mCCTs.push_back(&const_cast(cct)); } } void PhysXWorld::removeCCT(const PhysXCharacterController&cct) { auto beg = _mCCTs.begin(); auto end = _mCCTs.end(); auto iter = find(beg, end, &cct); if (iter != end) { _mCCTs.erase(iter); } } bool PhysXWorld::raycast(RaycastOptions &opt) { physx::PxQueryCache *cache = nullptr; const auto o = opt.origin; const auto ud = opt.unitDir; physx::PxVec3 origin{o.x, o.y, o.z}; physx::PxVec3 unitDir{ud.x, ud.y, ud.z}; unitDir.normalize(); physx::PxHitFlags flags = physx::PxHitFlag::ePOSITION | physx::PxHitFlag::eNORMAL; physx::PxSceneQueryFilterData filterData; filterData.data.word0 = opt.mask; filterData.data.word3 = QUERY_FILTER | (opt.queryTrigger ? 0 : QUERY_CHECK_TRIGGER); filterData.flags = physx::PxQueryFlag::eSTATIC | physx::PxQueryFlag::eDYNAMIC | physx::PxQueryFlag::ePREFILTER; auto &hitBuffer = getPxRaycastHitBuffer(); bool result = false; const auto nbTouches = physx::PxSceneQueryExt::raycastMultiple( getScene(), origin, unitDir, opt.distance, flags, hitBuffer.data(), static_cast(hitBuffer.size()), result, filterData, &getQueryFilterShader(), cache); if (nbTouches == 0 || nbTouches == -1) return false; auto &r = raycastResult(); r.resize(nbTouches); for (physx::PxI32 i = 0; i < nbTouches; i++) { const auto &shapeIter = getPxShapeMap().find(reinterpret_cast(hitBuffer[i].shape)); if (shapeIter == getPxShapeMap().end()) return false; r[i].shape = shapeIter->second; r[i].distance = hitBuffer[i].distance; pxSetVec3Ext(r[i].hitNormal, hitBuffer[i].normal); pxSetVec3Ext(r[i].hitPoint, hitBuffer[i].position); } return true; } ccstd::vector &PhysXWorld::raycastResult() { static ccstd::vector hits; return hits; } bool PhysXWorld::raycastClosest(RaycastOptions &opt) { physx::PxRaycastHit hit; physx::PxQueryCache *cache = nullptr; const auto o = opt.origin; const auto ud = opt.unitDir; physx::PxVec3 origin{o.x, o.y, o.z}; physx::PxVec3 unitDir{ud.x, ud.y, ud.z}; unitDir.normalize(); physx::PxHitFlags flags = physx::PxHitFlag::ePOSITION | physx::PxHitFlag::eNORMAL; physx::PxSceneQueryFilterData filterData; filterData.data.word0 = opt.mask; filterData.data.word3 = QUERY_FILTER | (opt.queryTrigger ? 0 : QUERY_CHECK_TRIGGER) | QUERY_SINGLE_HIT; filterData.flags = physx::PxQueryFlag::eSTATIC | physx::PxQueryFlag::eDYNAMIC | physx::PxQueryFlag::ePREFILTER; const auto result = physx::PxSceneQueryExt::raycastSingle( getScene(), origin, unitDir, opt.distance, flags, hit, filterData, &getQueryFilterShader(), cache); if (result) { auto &r = raycastClosestResult(); const auto &shapeIter = getPxShapeMap().find(reinterpret_cast(hit.shape)); if (shapeIter == getPxShapeMap().end()) return false; r.shape = shapeIter->second; r.distance = hit.distance; pxSetVec3Ext(r.hitPoint, hit.position); pxSetVec3Ext(r.hitNormal, hit.normal); } return result; } RaycastResult &PhysXWorld::raycastClosestResult() { static RaycastResult hit; return hit; } bool PhysXWorld::sweepBox(RaycastOptions &opt, float halfExtentX, float halfExtentY, float halfExtentZ, float orientationW, float orientationX, float orientationY, float orientationZ) { return sweep(opt, physx::PxBoxGeometry{ halfExtentX, halfExtentY, halfExtentZ}, physx::PxQuat(orientationX, orientationY, orientationZ, orientationW)); } bool PhysXWorld::sweepBoxClosest(RaycastOptions &opt, float halfExtentX, float halfExtentY, float halfExtentZ, float orientationW, float orientationX, float orientationY, float orientationZ) { return sweepClosest(opt, physx::PxBoxGeometry{ halfExtentX, halfExtentY, halfExtentZ}, physx::PxQuat(orientationX, orientationY, orientationZ, orientationW)); } bool PhysXWorld::sweepSphere(RaycastOptions &opt, float radius) { return sweep(opt, physx::PxSphereGeometry{ radius }, physx::PxQuat(0, 0, 0, 1)); } bool PhysXWorld::sweepSphereClosest(RaycastOptions &opt, float radius) { return sweepClosest(opt, physx::PxSphereGeometry{ radius }, physx::PxQuat(0, 0, 0, 1)); } bool PhysXWorld::sweepCapsule(RaycastOptions &opt, float radius, float height, float orientationW, float orientationX, float orientationY, float orientationZ) { //add an extra 90 degree rotation to PxCapsuleGeometry whose axis is originally along the X axis physx::PxQuat finalOrientation = physx::PxQuat(physx::PxPiDivTwo, physx::PxVec3{0.F, 0.F, 1.F}); finalOrientation = physx::PxQuat(orientationX, orientationY, orientationZ, orientationW) * finalOrientation; return sweep(opt, physx::PxCapsuleGeometry{ radius, height/2.f }, finalOrientation); } bool PhysXWorld::sweepCapsuleClosest(RaycastOptions &opt, float radius, float height, float orientationW, float orientationX, float orientationY, float orientationZ) { //add an extra 90 degree rotation to PxCapsuleGeometry whose axis is originally along the X axis physx::PxQuat finalOrientation = physx::PxQuat(physx::PxPiDivTwo, physx::PxVec3{0.F, 0.F, 1.F}); finalOrientation = physx::PxQuat(orientationX, orientationY, orientationZ, orientationW) * finalOrientation; return sweepClosest(opt, physx::PxCapsuleGeometry{ radius, height/2.f }, finalOrientation); } bool PhysXWorld::sweep(RaycastOptions &opt, const physx::PxGeometry &geometry, const physx::PxQuat &orientation) { physx::PxQueryCache *cache = nullptr; const auto o = opt.origin; const auto ud = opt.unitDir; physx::PxVec3 origin{o.x, o.y, o.z}; physx::PxVec3 unitDir{ud.x, ud.y, ud.z}; unitDir.normalize(); physx::PxTransform pose{origin, orientation}; physx::PxHitFlags flags = physx::PxHitFlag::ePOSITION | physx::PxHitFlag::eNORMAL; physx::PxSceneQueryFilterData filterData; filterData.data.word0 = opt.mask; filterData.data.word3 = QUERY_FILTER | (opt.queryTrigger ? 0 : QUERY_CHECK_TRIGGER); filterData.flags = physx::PxQueryFlag::eSTATIC | physx::PxQueryFlag::eDYNAMIC | physx::PxQueryFlag::ePREFILTER; auto &hitBuffer = getPxSweepHitBuffer(); bool result = false; const auto nbTouches = physx::PxSceneQueryExt::sweepMultiple( getScene(), geometry, pose, unitDir, opt.distance, flags, hitBuffer.data(), static_cast(hitBuffer.size()), result, filterData, &getQueryFilterShader(), cache); if (nbTouches == 0 || nbTouches == -1) return false; auto &r = sweepResult(); r.resize(nbTouches); for (physx::PxI32 i = 0; i < nbTouches; i++) { const auto &shapeIter = getPxShapeMap().find(reinterpret_cast(hitBuffer[i].shape)); if (shapeIter == getPxShapeMap().end()) return false; r[i].shape = shapeIter->second; r[i].distance = hitBuffer[i].distance; pxSetVec3Ext(r[i].hitNormal, hitBuffer[i].normal); pxSetVec3Ext(r[i].hitPoint, hitBuffer[i].position); } return true; } ccstd::vector &PhysXWorld::sweepResult() { static ccstd::vector hits; return hits; } bool PhysXWorld::sweepClosest(RaycastOptions &opt, const physx::PxGeometry &geometry, const physx::PxQuat &orientation) { physx::PxSweepHit hit; physx::PxQueryCache *cache = nullptr; const auto o = opt.origin; const auto ud = opt.unitDir; physx::PxVec3 origin{o.x, o.y, o.z}; physx::PxVec3 unitDir{ud.x, ud.y, ud.z}; unitDir.normalize(); physx::PxTransform pose{origin, orientation}; physx::PxHitFlags flags = physx::PxHitFlag::ePOSITION | physx::PxHitFlag::eNORMAL; physx::PxSceneQueryFilterData filterData; filterData.data.word0 = opt.mask; filterData.data.word3 = QUERY_FILTER | (opt.queryTrigger ? 0 : QUERY_CHECK_TRIGGER) | QUERY_SINGLE_HIT; filterData.flags = physx::PxQueryFlag::eSTATIC | physx::PxQueryFlag::eDYNAMIC | physx::PxQueryFlag::ePREFILTER; const auto result = physx::PxSceneQueryExt::sweepSingle( getScene(), geometry, pose, unitDir, opt.distance, flags, hit, filterData, &getQueryFilterShader(), cache, 0); if (result) { auto &r = sweepClosestResult(); const auto &shapeIter = getPxShapeMap().find(reinterpret_cast(hit.shape)); if (shapeIter == getPxShapeMap().end()) return false; r.shape = shapeIter->second; r.distance = hit.distance; pxSetVec3Ext(r.hitPoint, hit.position); pxSetVec3Ext(r.hitNormal, hit.normal); } return result; } RaycastResult &PhysXWorld::sweepClosestResult() { static RaycastResult hit; return hit; } uint32_t PhysXWorld::addPXObject(uintptr_t PXObjectPtr) { uint32_t pxObjectID = _msPXObjectID; _msPXObjectID++; assert(_msPXObjectID < 0xffffffff); _mPXObjects[pxObjectID] = PXObjectPtr; return pxObjectID; }; void PhysXWorld::removePXObject(uint32_t pxObjectID) { _mPXObjects.erase(pxObjectID); } uintptr_t PhysXWorld::getPXPtrWithPXObjectID(uint32_t pxObjectID) { auto const &iter = _mPXObjects.find(pxObjectID); if (iter == _mPXObjects.end()) { return 0; } return iter->second; }; uint32_t PhysXWorld::addWrapperObject(uintptr_t wrapperObjectPtr) { uint32_t wrapprtObjectID = _msWrapperObjectID; _msWrapperObjectID++; assert(_msWrapperObjectID < 0xffffffff); _mWrapperObjects[wrapprtObjectID] = wrapperObjectPtr; return wrapprtObjectID; }; void PhysXWorld::removeWrapperObject(uint32_t wrapperObjectID) { _mWrapperObjects.erase(wrapperObjectID); } uintptr_t PhysXWorld::getWrapperPtrWithObjectID(uint32_t wrapperObjectID) { if (wrapperObjectID == 0) { return 0; } auto const &iter = _mWrapperObjects.find(wrapperObjectID); if (iter == _mWrapperObjects.end()) return 0; return iter->second; }; } // namespace physics } // namespace cc