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XMFLOAT3 pos = { 500.0f, 30.0f, 500.0f };BuildCarObjects(pos, 4, false, cmdList, physics, 1, true);pos.z += 40.0f;BuildCarObjects(pos, 4, true, cmdList, physics, 0);void InGameScene::BuildCarObjects(XMFLOAT3& position,char color,bool isPlayer,ID3D12GraphicsCommandList* cmdList, const std::shared_ptr<BulletWrapper>& physics,UINT netID, bool latencyTest){auto carObj = make_shared<PhysicsPlayer>(netID);carObj->SetPosition(position);if (mMeshList[MeshType::Car].empty())mMeshList[MeshType::Car] = carObj->LoadModel(mDevice.Get(), cmdList, L"Models\\Car_Body.obj");elsecarObj->SetMeshes(mMeshList[MeshType::Car]);carObj->SetDiffuse("Car_Texture", mColorMap[(int)color]);for (int i = 0; i < 4; ++i){auto wheelObj = make_shared<WheelObject>();if (i % 2 == 0){if (mMeshList[MeshType::Wheel_L].empty())mMeshList[MeshType::Wheel_L] = wheelObj->LoadModel(mDevice.Get(), cmdList, L"Models\\Car_Wheel_L.obj");elsewheelObj->SetMeshes(mMeshList[MeshType::Wheel_L]);}else{if (mMeshList[MeshType::Wheel_R].empty())mMeshList[MeshType::Wheel_R] = wheelObj->LoadModel(mDevice.Get(), cmdList, L"Models\\Car_Wheel_R.obj");elsewheelObj->SetMeshes(mMeshList[MeshType::Wheel_R]);}carObj->SetWheel(wheelObj.get(), i);mPipelines[Layer::Color]->AppendObject(wheelObj);}carObj->BuildRigidBody(physics); //Actually make Vehicle ObjectcarObj->BuildDsvRtvView(mDevice.Get());if (isPlayer) mPlayer = carObj.get();if (latencyTest) mFakePlayer = carObj.get();mPipelines[Layer::Color]->AppendObject(carObj);mPlayerObjects[netID] = std::move(carObj);}void PhysicsPlayer::BuildRigidBody(std::shared_ptr<BulletWrapper> physics){auto dynamicsWorld = physics->GetDynamicsWorld();mOOBB.Extents = { 10.0f, 4.0f, 14.0f };XMFLOAT3 vehicleExtents = mOOBB.Extents;XMFLOAT3 wheelExtents = mWheel[0]->GetBoundingBox().Extents;btCollisionShape* chassisShape = new btBoxShape(btVector3(vehicleExtents.x, vehicleExtents.y, vehicleExtents.z));btTransform btCarTransform;btCarTransform.setIdentity();btCarTransform.setOrigin(btVector3(mPosition.x, mPosition.y, mPosition.z));mBtRigidBody = physics->CreateRigidBody(1000.0f, btCarTransform, chassisShape);mVehicleRayCaster = std::make_shared<btDefaultVehicleRaycaster>(dynamicsWorld.get());mVehicle = std::make_shared<btRaycastVehicle>(mTuning, mBtRigidBody, mVehicleRayCaster.get());mBtRigidBody->setActivationState(DISABLE_DEACTIVATION);dynamicsWorld->addAction(mVehicle.get());mVehicle->setCoordinateSystem(0, 1, 2);btVector3 wheelDirectionCS0(0, -1, 0);btVector3 wheelAxleCS(-1, 0, 0);float wheelWidth = wheelExtents.x;float wheelRadius = wheelExtents.z;float wheelFriction = 26.0f;float suspensionStiffness = 20.f;float suspensionDamping = 2.3f;float suspensionCompression = 4.4f;float rollInfluence = 0.01f;  //1.0f;bool isFrontWheel = true;float connectionHeight = -0.9f;btVector3 connectionPointCS0(vehicleExtents.x - 2.5f, connectionHeight, vehicleExtents.z - 2.8f);mVehicle->addWheel(connectionPointCS0, wheelDirectionCS0, wheelAxleCS, 0.6, wheelRadius, mTuning, isFrontWheel);connectionPointCS0 = btVector3(-vehicleExtents.x + 2.5f, connectionHeight, vehicleExtents.z - 2.8f);mVehicle->addWheel(connectionPointCS0, wheelDirectionCS0, wheelAxleCS, 0.6, wheelRadius, mTuning, isFrontWheel);isFrontWheel = false;connectionPointCS0 = btVector3(vehicleExtents.x - 2.3f, connectionHeight, -vehicleExtents.z + 2.6f);mVehicle->addWheel(connectionPointCS0, wheelDirectionCS0, wheelAxleCS, 0.6, wheelRadius, mTuning, isFrontWheel);connectionPointCS0 = btVector3(-vehicleExtents.x + 2.3f, connectionHeight, -vehicleExtents.z + 2.6f);mVehicle->addWheel(connectionPointCS0, wheelDirectionCS0, wheelAxleCS, 0.6, wheelRadius, mTuning, isFrontWheel);for (int i = 0; i < mVehicle->getNumWheels(); i++){btWheelInfo& wheel = mVehicle->getWheelInfo(i);wheel.m_suspensionStiffness = suspensionStiffness;wheel.m_wheelsDampingRelaxation = suspensionDamping;wheel.m_wheelsDampingCompression = suspensionCompression;wheel.m_frictionSlip = wheelFriction;wheel.m_rollInfluence = rollInfluence;}}//control vehiclevoid PhysicsPlayer::OnPreciseKeyInput(float Elapsed){mCurrentSpeed = mVehicle->getCurrentSpeedKmHour();mEngineForce = 0.0f;if (mBoosterLeft > 0.0f){mMaxSpeed = 1500.0f;mBoosterLeft -= Elapsed;}if(mBoosterLeft < 0.0f){mMaxSpeed = 1000.0f;mBoosterLeft = 0.0f;}if (mVehicleSteering > 0){mVehicleSteering -= mSteeringIncrement * Elapsed;if (mVehicleSteering < 0){mVehicleSteering = 0;}}else if (mVehicleSteering < 0){mVehicleSteering += mSteeringIncrement * Elapsed;if (mVehicleSteering > 0){mVehicleSteering = 0;}}if (GetAsyncKeyState(VK_LEFT) & 0x8000){mVehicleSteering -= mSteeringIncrement * 2 * Elapsed;if (mVehicleSteering < -mSteeringClamp)mVehicleSteering = -mSteeringClamp;}if (GetAsyncKeyState(VK_RIGHT) & 0x8000){mVehicleSteering += mSteeringIncrement * 2 * Elapsed;if (mVehicleSteering > mSteeringClamp)mVehicleSteering = mSteeringClamp;}if (GetAsyncKeyState(VK_UP) & 0x8000){if (mCurrentSpeed < 0.0f)mEngineForce = mMaxEngineForce * 1.5f;else if (mMaxSpeed > mCurrentSpeed)mEngineForce = mMaxEngineForce;elsemEngineForce = 0.0f;}if (GetAsyncKeyState(VK_DOWN) & 0x8000){if (mCurrentSpeed > 0.0f)mEngineForce = -mMaxEngineForce * 1.5f;else if (-mMaxSpeed < mCurrentSpeed)mEngineForce = -mMaxEngineForce;elsemEngineForce = 0.0f;}if (GetAsyncKeyState('Z') & 0x8000){if (mBoosterLeft == 0.0f)mBoosterLeft = mBoosterTime;}if (GetAsyncKeyState(VK_SHIFT) & 0x8000){for (int i = 2; i < 4; ++i){mVehicle->getWheelInfo(i).m_frictionSlip = 4.0f;}}else{for (int i = 0; i < 4; ++i){mVehicle->getWheelInfo(i).m_frictionSlip = 25.0f;}}if (mBoosterLeft && mMaxSpeed < mCurrentSpeed)mEngineForce = mBoosterEngineForce;OutputDebugStringA("Update engineforce\n");for (int i = 0; i < 2; ++i){mVehicle->applyEngineForce(mEngineForce, i);}int wheelIndex = 0;mVehicle->setSteeringValue(mVehicleSteering, wheelIndex);wheelIndex = 1;mVehicle->setSteeringValue(mVehicleSteering, wheelIndex);}