85 lines
2.9 KiB
Ucode
85 lines
2.9 KiB
Ucode
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/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class SVehicleSimBase extends ActorComponent
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native(Physics);
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// Engine Params
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/** Maximum torque available to apply to the engine, specified in Nm.*/
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var() float EnginePeakTorque;
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/** Maximum rotation speed of the engine, specified in radians per second.*/
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var() float EngineMaxRPM;
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// Wheel params
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// For more information, see https://udn.epicgames.com/Three/VehicleGuide
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/** In PhysX 3, spring strength of suspension unit, specified in N m^-1. Its default value is 35000.0f */
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var() float WheelSuspensionStiffness;
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/** In PhysX 3, spring damper rate of suspension unit, specified in s^-1. Its default value is 4500.0 */
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var() float WheelSuspensionDamping;
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/** In PhysX 3, maximum compression allowed by suspension spring, specified in m. */
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var() float WheelSuspensionBias;
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var() float WheelLongExtremumSlip;
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var() float WheelLongExtremumValue;
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var() float WheelLongAsymptoteSlip;
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var() float WheelLongAsymptoteValue;
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var() float WheelLatExtremumSlip;
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var() float WheelLatExtremumValue;
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var() float WheelLatAsymptoteSlip;
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var() float WheelLatAsymptoteValue;
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/** In PhysX 3.2, this is WheelMass */
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var() float WheelInertia;
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var() bool bWheelSpeedOverride; // Allows you to set the axle speed directly
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/** Friction model that clamps the frictional force applied by the wheels. Should be more realistic. */
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var() bool bClampedFrictionModel;
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var() bool bAutoDrive;
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var() float AutoDriveSteer;
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cpptext
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{
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virtual void ProcessCarInput(ASVehicle* Vehicle) {}
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virtual void UpdateVehicle(ASVehicle* Vehicle, FLOAT DeltaTime) {}
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#if WITH_NOVODEX
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virtual void SetNxWheelShapeParams(class NxWheelShape* WheelShape, class USVehicleWheel* VW, FLOAT LongGripScale=1.f, FLOAT LatGripScale=1.f);
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virtual void SetNxWheelShapeTireForceFunctions(class NxWheelShape* WheelShape, class USVehicleWheel* VW, FLOAT LongGripScale=1.f, FLOAT LatGripScale=1.f);
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#endif
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/** Returns a float representative of the vehcile's engine output. */
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virtual FLOAT GetEngineOutput(ASVehicle* Vehicle) { return 0.0f; }
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}
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defaultproperties
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{
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// Force
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// ^ extremum
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// | _*_
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// | ~ \ asymptote
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// | / \~__*______________
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// | /
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// |/
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// ---------------------------> Slip
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// Longitudinal tire model based on 10% slip ratio peak
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WheelLongExtremumSlip=0.1
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WheelLongExtremumValue=1.0
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WheelLongAsymptoteSlip=2.0
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WheelLongAsymptoteValue=0.6
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// Lateral tire model based on slip angle (radians)
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WheelLatExtremumSlip=0.35 // 20 degrees
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WheelLatExtremumValue=0.85
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WheelLatAsymptoteSlip=1.4 // 80 degrees
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WheelLatAsymptoteValue=0.7
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WheelInertia=20 // WheelInertia is actually WheelMass since WheelShape->setInverseWheelMass(1.f/WheelInertia);? For PhysX 3.x, it needs to be 20, not 0.2
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EnginePeakTorque=1000.0f
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EngineMaxRPM=600.0f;//approx 6000 rpm
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}
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