47 lines
1.6 KiB
C#
47 lines
1.6 KiB
C#
using Sandbox;
|
|
using System;
|
|
using System.Threading;
|
|
|
|
namespace VeloX;
|
|
|
|
public partial class VeloXCar
|
|
{
|
|
public static float ExpDecay( float a, float b, float decay, float dt ) => b + (a - b) * MathF.Exp( -decay * dt );
|
|
[Property, Feature( "Steer" )] public float SteerConeMaxSpeed { get; set; } = 1800;
|
|
[Property, Feature( "Steer" )] public float SteerConeMaxAngle { get; set; } = 0.25f;
|
|
[Property, Feature( "Steer" )] public float SteerConeChangeRate { get; set; } = 8;
|
|
[Property, Feature( "Steer" )] public float CounterSteer { get; set; } = 0.1f;
|
|
[Property, Feature( "Steer" )] public float MaxSteerAngle { get; set; } = 35f;
|
|
|
|
[Sync] public float Steering { get; private set; }
|
|
private float jTurnMultiplier;
|
|
|
|
private float inputSteer;
|
|
private void UpdateSteering( float dt )
|
|
{
|
|
var inputSteer = Input.AnalogMove.y;
|
|
var absInputSteer = Math.Abs( inputSteer );
|
|
|
|
var sideSlip = Math.Clamp( avgSideSlip, -1, 1 );
|
|
|
|
var steerConeFactor = Math.Clamp( TotalSpeed / SteerConeMaxSpeed, 0, 1 );
|
|
var steerCone = 1 - steerConeFactor * (1 - SteerConeMaxAngle);
|
|
|
|
steerCone = Math.Clamp( steerCone, Math.Abs( sideSlip ), 1 );
|
|
|
|
inputSteer = ExpDecay( this.inputSteer, inputSteer * steerCone, SteerConeChangeRate, dt );
|
|
this.inputSteer = inputSteer;
|
|
var counterSteer = sideSlip * steerConeFactor * (1 - absInputSteer);
|
|
counterSteer = Math.Clamp( counterSteer, -1, 1 ) * CounterSteer;
|
|
|
|
inputSteer = Math.Clamp( inputSteer + counterSteer, -1, 1 );
|
|
Steering = inputSteer;
|
|
SteerAngle = new( 0, -inputSteer * MaxSteerAngle, 0 );
|
|
|
|
if ( ForwardSpeed < -100 )
|
|
jTurnMultiplier = 0.5f;
|
|
else
|
|
jTurnMultiplier = ExpDecay( jTurnMultiplier, 1, 2, dt );
|
|
}
|
|
}
|