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IN NO EVENT SHALL THE COPYRIGHT OWNER OR // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Copyright (c) 2008-2023 NVIDIA Corporation. All rights reserved. // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. #pragma once /** \addtogroup vehicle2 @{ */ #include "vehicle2/PxVehicleParams.h" #include "vehicle2/PxVehicleComponent.h" #include "vehicle2/commands/PxVehicleCommandHelpers.h" #include "vehicle2/roadGeometry/PxVehicleRoadGeometryState.h" #include "vehicle2/suspension/PxVehicleSuspensionParams.h" #include "vehicle2/suspension/PxVehicleSuspensionStates.h" #include "vehicle2/wheel/PxVehicleWheelStates.h" #include "vehicle2/wheel/PxVehicleWheelParams.h" #include "PxVehicleTireFunctions.h" #include "PxVehicleTireParams.h" #include "common/PxProfileZone.h" #if !PX_DOXYGEN namespace physx { namespace vehicle2 { #endif class PxVehicleTireComponent : public PxVehicleComponent { public: PxVehicleTireComponent() : PxVehicleComponent() {} virtual ~PxVehicleTireComponent() {} virtual void getDataForTireComponent( const PxVehicleAxleDescription*& axleDescription, PxVehicleArrayData& steerResponseStates, const PxVehicleRigidBodyState*& rigidBodyState, PxVehicleArrayData& actuationStates, PxVehicleArrayData& wheelParams, PxVehicleArrayData& suspensionParams, PxVehicleArrayData& tireForceParams, PxVehicleArrayData& roadGeomStates, PxVehicleArrayData& suspensionStates, PxVehicleArrayData& suspensionComplianceStates, PxVehicleArrayData& suspensionForces, PxVehicleArrayData& wheelRigidBody1DStates, PxVehicleArrayData& tireGripStates, PxVehicleArrayData& tireDirectionStates, PxVehicleArrayData& tireSpeedStates, PxVehicleArrayData& tireSlipStates, PxVehicleArrayData& tireCamberAngleStates, PxVehicleArrayData& tireStickyStates, PxVehicleArrayData& tireForces) = 0; virtual bool update(const PxReal dt, const PxVehicleSimulationContext& context) { PX_PROFILE_ZONE("PxVehicleTireComponent::update", 0); const PxVehicleAxleDescription* axleDescription; PxVehicleArrayData steerResponseStates; const PxVehicleRigidBodyState* rigidBodyState; PxVehicleArrayData actuationStates; PxVehicleArrayData wheelParams; PxVehicleArrayData suspensionParams; PxVehicleArrayData tireForceParams; PxVehicleArrayData roadGeomStates; PxVehicleArrayData suspensionStates; PxVehicleArrayData suspensionComplianceStates; PxVehicleArrayData suspensionForces; PxVehicleArrayData wheelRigidBody1DStates; PxVehicleArrayData tireGripStates; PxVehicleArrayData tireDirectionStates; PxVehicleArrayData tireSpeedStates; PxVehicleArrayData tireSlipStates; PxVehicleArrayData tireCamberAngleStates; PxVehicleArrayData tireStickyStates; PxVehicleArrayData tireForces; getDataForTireComponent(axleDescription, steerResponseStates, rigidBodyState, actuationStates, wheelParams, suspensionParams, tireForceParams, roadGeomStates, suspensionStates, suspensionComplianceStates, suspensionForces, wheelRigidBody1DStates, tireGripStates, tireDirectionStates, tireSpeedStates, tireSlipStates, tireCamberAngleStates, tireStickyStates, tireForces); for (PxU32 i = 0; i < axleDescription->nbWheels; i++) { const PxU32 wheelId = axleDescription->wheelIdsInAxleOrder[i]; //Compute the tire slip directions PxVehicleTireDirsUpdate( suspensionParams[wheelId], steerResponseStates[wheelId], roadGeomStates[wheelId], suspensionComplianceStates[wheelId], *rigidBodyState, context.frame, tireDirectionStates[wheelId]); //Compute the rigid body speeds along the tire slip directions. PxVehicleTireSlipSpeedsUpdate( wheelParams[wheelId], suspensionParams[wheelId], steerResponseStates[wheelId], suspensionStates[wheelId], tireDirectionStates[wheelId], *rigidBodyState, roadGeomStates[wheelId], context.frame, tireSpeedStates[wheelId]); //Compute the tire slip angles. PxVehicleTireSlipsUpdate( wheelParams[wheelId], context.tireSlipParams, actuationStates[wheelId], tireSpeedStates[wheelId], wheelRigidBody1DStates[wheelId], tireSlipStates[wheelId]); //Update the camber angle PxVehicleTireCamberAnglesUpdate( suspensionParams[wheelId], steerResponseStates[wheelId], roadGeomStates[wheelId], suspensionComplianceStates[wheelId], *rigidBodyState, context.frame, tireCamberAngleStates[wheelId]); //Compute the friction PxVehicleTireGripUpdate( tireForceParams[wheelId], roadGeomStates[wheelId], suspensionStates[wheelId], suspensionForces[wheelId], tireSlipStates[wheelId], tireGripStates[wheelId]); //Update the tire sticky state // //Note: this should be skipped if tires do not use the sticky feature PxVehicleTireStickyStateUpdate( *axleDescription, wheelParams[wheelId], context.tireStickyParams, actuationStates, tireGripStates[wheelId], tireSpeedStates[wheelId], wheelRigidBody1DStates[wheelId], dt, tireStickyStates[wheelId]); //If sticky tire is active set the slip angle to zero. // //Note: this should be skipped if tires do not use the sticky feature PxVehicleTireSlipsAccountingForStickyStatesUpdate( tireStickyStates[wheelId], tireSlipStates[wheelId]); //Compute the tire forces PxVehicleTireForcesUpdate( wheelParams[wheelId], suspensionParams[wheelId], tireForceParams[wheelId], suspensionComplianceStates[wheelId], tireGripStates[wheelId], tireDirectionStates[wheelId], tireSlipStates[wheelId], tireCamberAngleStates[wheelId], *rigidBodyState, tireForces[wheelId]); } return true; } }; /** * @deprecated */ class PX_DEPRECATED PxVehicleLegacyTireComponent : public PxVehicleComponent { public: PxVehicleLegacyTireComponent() : PxVehicleComponent() {} virtual ~PxVehicleLegacyTireComponent() {} virtual void getDataForLegacyTireComponent( const PxVehicleAxleDescription*& axleDescription, PxVehicleArrayData& steerResponseStates, const PxVehicleRigidBodyState*& rigidBodyState, PxVehicleArrayData& actuationStates, PxVehicleArrayData& wheelParams, PxVehicleArrayData& suspensionParams, PxVehicleArrayData& tireForceParams, PxVehicleArrayData& roadGeomStates, PxVehicleArrayData& suspensionStates, PxVehicleArrayData& suspensionComplianceStates, PxVehicleArrayData& suspensionForces, PxVehicleArrayData& wheelRigidBody1DStates, PxVehicleArrayData& tireGripStates, PxVehicleArrayData& tireDirectionStates, PxVehicleArrayData& tireSpeedStates, PxVehicleArrayData& tireSlipStates, PxVehicleArrayData& tireCamberAngleStates, PxVehicleArrayData& tireStickyStates, PxVehicleArrayData& tireForces) = 0; virtual bool update(const PxReal dt, const PxVehicleSimulationContext& context) { PX_PROFILE_ZONE("PxVehicleLegacyTireComponent::update", 0); const PxVehicleAxleDescription* axleDescription; PxVehicleArrayData steerResponseStates; const PxVehicleRigidBodyState* rigidBodyState; PxVehicleArrayData actuationStates; PxVehicleArrayData wheelParams; PxVehicleArrayData suspensionParams; PxVehicleArrayData tireForceParams; PxVehicleArrayData roadGeomStates; PxVehicleArrayData suspensionStates; PxVehicleArrayData suspensionComplianceStates; PxVehicleArrayData suspensionForces; PxVehicleArrayData wheelRigidBody1DStates; PxVehicleArrayData tireGripStates; PxVehicleArrayData tireDirectionStates; PxVehicleArrayData tireSpeedStates; PxVehicleArrayData tireSlipStates; PxVehicleArrayData tireCamberAngleStates; PxVehicleArrayData tireStickyStates; PxVehicleArrayData tireForces; getDataForLegacyTireComponent(axleDescription, steerResponseStates, rigidBodyState, actuationStates, wheelParams, suspensionParams, tireForceParams, roadGeomStates, suspensionStates, suspensionComplianceStates, suspensionForces, wheelRigidBody1DStates, tireGripStates, tireDirectionStates, tireSpeedStates, tireSlipStates, tireCamberAngleStates, tireStickyStates, tireForces); for (PxU32 i = 0; i < axleDescription->nbWheels; i++) { const PxU32 wheelId = axleDescription->wheelIdsInAxleOrder[i]; //Compute the tire slip directions PxVehicleTireDirsLegacyUpdate( suspensionParams[wheelId], steerResponseStates[wheelId], roadGeomStates[wheelId], *rigidBodyState, context.frame, tireDirectionStates[wheelId]); //Compute the rigid body speeds along the tire slip directions. PxVehicleTireSlipSpeedsUpdate( wheelParams[wheelId], suspensionParams[wheelId], steerResponseStates[wheelId], suspensionStates[wheelId], tireDirectionStates[wheelId], *rigidBodyState, roadGeomStates[wheelId], context.frame, tireSpeedStates[wheelId]); //Compute the tire slip angles. PxVehicleTireSlipsLegacyUpdate( wheelParams[wheelId], context.tireSlipParams, actuationStates[wheelId], tireSpeedStates[wheelId], wheelRigidBody1DStates[wheelId], tireSlipStates[wheelId]); //Update the camber angle PxVehicleTireCamberAnglesUpdate( suspensionParams[wheelId], steerResponseStates[wheelId], roadGeomStates[wheelId], suspensionComplianceStates[wheelId], *rigidBodyState, context.frame, tireCamberAngleStates[wheelId]); //Compute the friction PxVehicleTireGripUpdate( tireForceParams[wheelId], roadGeomStates[wheelId], suspensionStates[wheelId], suspensionForces[wheelId], tireSlipStates[wheelId], tireGripStates[wheelId]); //Update the tire sticky state // //Note: this should be skipped if tires do not use the sticky feature PxVehicleTireStickyStateUpdate( *axleDescription, wheelParams[wheelId], context.tireStickyParams, actuationStates, tireGripStates[wheelId], tireSpeedStates[wheelId], wheelRigidBody1DStates[wheelId], dt, tireStickyStates[wheelId]); //If sticky tire is active set the slip angle to zero. // //Note: this should be skipped if tires do not use the sticky feature PxVehicleTireSlipsAccountingForStickyStatesUpdate( tireStickyStates[wheelId], tireSlipStates[wheelId]); //Compute the tire forces PxVehicleTireForcesUpdate( wheelParams[wheelId], suspensionParams[wheelId], tireForceParams[wheelId], suspensionComplianceStates[wheelId], tireGripStates[wheelId], tireDirectionStates[wheelId], tireSlipStates[wheelId], tireCamberAngleStates[wheelId], *rigidBodyState, tireForces[wheelId]); } return true; } }; #if !PX_DOXYGEN } // namespace vehicle2 } // namespace physx #endif /** @} */