void CastFX(EarthFX.EarthFXData FX, RaycastHit SurfaceHitPoint)
{
/// BRAKE SKIDS
if (FX.BrakeSkid != null && Mathf.Abs(this.slipRatio) > FX.BrakeSkidStartSlip)
{
Skids = FX.BrakeSkid.GetComponent(typeof(RGKCar_Skidmarks)) as RGKCar_Skidmarks;
lastSkid = Skids.AddSkidMark(SurfaceHitPoint.point, SurfaceHitPoint.normal, Mathf.Abs(slipRatio), lastSkid);
if (FX.BrakeSmoke != null)
{
SkidSmoke = FX.BrakeSmoke.GetComponent(typeof(ParticleEmitter)) as ParticleEmitter;
SkidSmoke.Emit(
SurfaceHitPoint.point + new Vector3(UnityEngine.Random.Range(-0.1f, 0.1f),
UnityEngine.Random.Range(-0.1f, 0.1f),
UnityEngine.Random.Range(-0.1f, 0.1f)), //pos
new Vector3(this.slipVelo * 0.05f, 0), //vel
UnityEngine.Random.Range(SkidSmoke.minSize, SkidSmoke.maxSize) * Mathf.Clamp(0.5f, 1f, 1.5f), //size
UnityEngine.Random.Range(SkidSmoke.minEnergy, SkidSmoke.maxEnergy), //energy
Color.white);
}
}
else
{
lastSkid = -1;
}
///TRAIL SMOKE
if (FX.TrailSmoke != null && Mathf.Abs(angularVelocity) > FX.TrailSmokeStartVelocity)
{
TrailSmoke = FX.TrailSmoke.GetComponent(typeof(ParticleEmitter)) as ParticleEmitter;
TrailSmoke.Emit(
SurfaceHitPoint.point + new Vector3(UnityEngine.Random.Range(-0.1f, 0.1f),
UnityEngine.Random.Range(-0.1f, 0.1f),
UnityEngine.Random.Range(-0.1f, 0.1f)),
new Vector3(this.slipVelo * 0.05f, 1),
UnityEngine.Random.Range(TrailSmoke.minSize, TrailSmoke.maxSize) * Mathf.Clamp(0.5f, 1f, 1.5f),
UnityEngine.Random.Range(TrailSmoke.minEnergy, TrailSmoke.maxEnergy), Color.white);
}
///TRAIL SKIDS
if (FX.TrailSkid != null && Math.Abs(angularVelocity) > 5)
{
Trails = FX.TrailSkid.GetComponent(typeof(RGKCar_Skidmarks)) as RGKCar_Skidmarks;
lastTrail = Trails.AddSkidMark(SurfaceHitPoint.point, SurfaceHitPoint.normal, Mathf.Abs(1) - 0.2f, lastTrail);
}
else
{
lastTrail = -1;
}
///SPLATTERS
if (FX.Splatter != null && Math.Abs(angularVelocity) > 5 && !surfaceChanged)
{
Splatter = FX.Splatter.GetComponent(typeof(ParticleEmitter)) as ParticleEmitter;
Splatter.Emit(
SurfaceHitPoint.point + new Vector3(UnityEngine.Random.Range(-0.2f, 0.2f),
UnityEngine.Random.Range(-0.1f, 0.2f),
UnityEngine.Random.Range(-0.1f, 0.1f)),
new Vector3(this.slipVelo * 0.05f, 0),
UnityEngine.Random.Range(Splatter.minSize, Splatter.maxSize),
UnityEngine.Random.Range(Splatter.minEnergy, Splatter.maxEnergy), Color.white);
}
///DRIVE SOUND
if (FX.SurfaceDriveSound != null)
{
SurfaceSound = FX.SurfaceDriveSound;
}
else
{
SurfaceSound = null;
}
///BRAKE SOUND
if (FX.BrakeSound != null)
{
BrakeSound = FX.BrakeSound;
}
else
{
BrakeSound = null;
}
///FORWARDGRIP LOSE PERCENT
if (FX.ForwardGripLosePercent > 0)
{
wheelGrip = definedGrip - (definedGrip * (FX.ForwardGripLosePercent / 100f));
}
else
{
wheelGrip = definedGrip;
}
///SIDEGRIP LOSE PERCENT
if (FX.SidewaysGripLosePercent > 0)
{
sideGrip = definedSideGrip - (definedSideGrip * (FX.SidewaysGripLosePercent / 100f));
}
else
{
sideGrip = definedSideGrip;
}
///DRAG
SurfaceAngularDrag = FX.AngularDrag;
SurfaceForwardDrag = FX.ForwardDrag;
}
void FixedUpdate()
{
if (!UseEarthFX || EarthFX == null)
{
wheelGrip = definedGrip;
sideGrip = definedSideGrip;
}
if (suspensionHeight < 0.05f)
{
suspensionHeight = 0.05f;
}
suspensionLineRenderer.enabled = ShowForces;
Vector3 pos = transform.position;
up = transform.up;
RaycastHit hit;
onGround = Physics.Raycast(pos, -up, out hit, suspensionHeight + radius);
if (onGround && hit.collider.isTrigger)
{
onGround = false; float dist = suspensionHeight + radius;
RaycastHit[] hits = Physics.RaycastAll(pos, -up, suspensionHeight + radius);
foreach (RaycastHit test in hits)
{
if (!test.collider.isTrigger && test.distance <= dist)
{
hit = test;
onGround = true;
dist = test.distance;
}
}
}
fullCompressionSpringForce = body.mass * massFraction * 2.0f * -Physics.gravity.y;
float staticFrictionForce = wheelGrip * fullCompressionSpringForce;
float latGravityForce = fullCompressionSpringForce * Mathf.Cos(Vector3.Angle(right, Vector3.up) * Mathf.Deg2Rad);
if (latGravityForce < staticFrictionForce)
{
body.AddForceAtPosition(latGravityForce * -right, WheelModel.transform.position);
}
if (onGround)
{
groundNormal = transform.InverseTransformDirection(inverseLocalRotation * hit.normal);
compression = 1.0f - ((hit.distance - radius) / suspensionHeight);
suspensionForce = SuspensionForce();
suspensionLineRenderer.SetPosition(1, new Vector3(0, 0.0005f * suspensionForce.y, 0));
if (slipVelo < 30)
{
wheelVelo = body.GetPointVelocity(pos);
localVelo = transform.InverseTransformDirection(inverseLocalRotation * wheelVelo);
roadForce = RoadForce();
body.AddForceAtPosition(suspensionForce + roadForce, pos);
}
else
{
angularVelocity = 0;
slipVelo = 0;
}
}
else
{
if (slipVelo < 10)
{
float totalInertia = inertia + drivetrainInertia;
float angularDelta = Time.deltaTime * invSlipRes / totalInertia;
float driveAngularDelta = driveTorque * angularDelta;
float totalFrictionTorque = brakeTorque * brake + handbrakeTorque * handbrake + frictionTorque + driveFrictionTorque;
float frictionAngularDelta = totalFrictionTorque * angularDelta;
angularVelocity += driveAngularDelta;
if (Mathf.Abs(angularVelocity) > frictionAngularDelta)
{
angularVelocity -= frictionAngularDelta * Mathf.Sign(angularVelocity);
}
else
{
angularVelocity = 0;
}
}
else
{
//compression = 0.0f;
//suspensionForce = Vector3.zero;
//roadForce = Vector3.zero;
//angularVelocity = 0;
//slipRatio = 0;
//slipVelo = 0;
}
}
if (onGround && UseEarthFX && EarthFX != null)
{
Texture2D hitTexture = null;
string strTerrainName = "";
if (Terrain.activeTerrain != null)
{
strTerrainName = Terrain.activeTerrain.name;
}
if (hit.collider.gameObject.name == strTerrainName) // means hititng terrain
{
int TextureIndex = SurfaceTextureDedector.GetMainTexture(WheelModel.transform.position);
hitTexture = Terrain.activeTerrain.terrainData.splatPrototypes[TextureIndex].texture;
}
else
{
if (hit.collider.gameObject.renderer != null)
{
if (hit.collider.gameObject.renderer.material.mainTexture != null)
{
hitTexture = (hit.collider.gameObject.renderer.material.mainTexture) as Texture2D;
}
}
}
if (hitTexture != null)
{
if (previousSurface != hitTexture.name)
{
previousSurface = hitTexture.name;
surfaceChanged = true;
lastSkid = -1;
}
}
bool FXFound = false;
foreach (EarthFX.EarthFXData FX in EarthFX.SurfaceFX)
{
if (FX.FxTexture == hitTexture)
{
FXFound = true;
CastFX(FX, hit);
}
if (!FXFound)
{
CastFX(EarthFX.GlobalFX, hit);
}
}
if (EarthFX.SurfaceFX.Count == 0)
{
CastFX(EarthFX.GlobalFX, hit);
}
if (surfaceChanged)
{
surfaceChanged = false;
}
}
else if (onGround && this.Skids != null && Mathf.Abs(this.slipRatio) > 0.15)
{
lastSkid = Skids.AddSkidMark(hit.point, hit.normal, Mathf.Abs(slipRatio) - 0f, lastSkid);
if (this.SkidSmoke != null)
{
this.SkidSmoke.Emit(
hit.point + new Vector3(UnityEngine.Random.Range(-0.1f, 0.1f),
UnityEngine.Random.Range(-0.1f, 0.1f),
UnityEngine.Random.Range(-0.1f, 0.1f)),
new Vector3(this.slipVelo * 0.05f, 0),
UnityEngine.Random.Range(SkidSmoke.minSize, SkidSmoke.maxSize) * Mathf.Clamp(0.5f, 1f, 1.5f),
UnityEngine.Random.Range(SkidSmoke.minEnergy, SkidSmoke.maxEnergy), Color.white);
}
}
else
{
lastSkid = -1;
lastTrail = -1;
}
compression = Mathf.Clamp01(compression);
rotation += angularVelocity * Time.deltaTime;
UpdateModels();
}
