protected void Update()
{
if (!cart.CurrentTrack)
{
return;
}
var rot = transform.rotation;
var distance = Vector3.Dot(cart.GetVelocityOnTrack(), cart.transform.forward) * Time.deltaTime;
var angle = distance / (2 * Mathf.PI * wheelRadius) * 360;
rot = Quaternion.AngleAxis(angle, cart.transform.right) * rot;
transform.rotation = rot;
}
public void FixedUpdate()
{
var speed = cart.GetVelocityOnTrack().magnitude;
if (speed > maxSpeed)
{
speed = maxSpeed;
}
float intensityMod;
if (!cart.CurrentTrack)
{
//When a cart comes off the track, fade to silent, don't just stop and cause popping.
speed = lastVelocity.magnitude;
trackiness *= .8f;
intensityMod = trackiness;
}
else
{
trackiness = 1;
intensityMod = GetIntensityModifier();
}
//Debug.Log("Speed " + speed + " intensity mod " + intensityMod);
foreach (var clipInfo in clips)
{
var speedIndex = speed / maxSpeed;
if (clipInfo.volumeVsSpeed == null)
{
clipInfo.GenerateCurve();
}
var volume = clipInfo.volumeVsSpeed.Evaluate(speedIndex);
volume *= intensityMod;
if (volume <= 0)
{
if (clipInfo.currentSource)
{
clipInfo.currentSource.enabled = false;
clipInfo.currentSource = null;
}
continue;
}
var source = clipInfo.currentSource ?? AllocSource();
clipInfo.currentSource = source;
source.clip = clipInfo.clip;
//determine pitch
if (clipInfo.referenceSpeedPercent == 0 || clipInfo.speedScale == 0)
{
source.pitch = 1;
source.enabled = true;
}
else
{
var m = clipInfo.speedScale;
var x = speed / (clipInfo.referenceSpeedPercent * maxSpeed);
var b = 1 - m;
source.pitch = m * x + b;
source.enabled = source.pitch > 0;
}
source.volume = baseVolume * volume;
if (source.enabled && !source.isPlaying)
{
source.Play();
}
}
}
