void ProjectToGround()
{
RaycastHit hit;
if (Physics.Raycast(new Ray(transform.position, -Vector3.up), out hit, maxDist))
{
if (trail.emit && trail.points.Count > 0)
{
AraTrail.Point point = trail.points[trail.points.Count - 1];
if (!point.discontinuous)
{
point.normal = hit.normal;
point.position = hit.point + hit.normal * offset;
trail.points[trail.points.Count - 1] = point;
}
}
trail.emit = true;
}
else if (trail.emit)
{
// stop emitting trail when too far from the ground.
trail.emit = false;
// delete the last point, as it probably didn't have a chance to be projected to the ground.
if (trail.points.Count > 0)
{
trail.points.RemoveAt(trail.points.Count - 1);
}
}
}
void SetColorFromSpeed()
{
for (int i = 0; i < trail.points.Count; ++i)
{
AraTrail.Point point = trail.points[i];
point.color = colorFromSpeed.Evaluate((point.velocity.magnitude - minSpeed) / Mathf.Max(AraTrail.epsilon, maxSpeed - minSpeed));
trail.points[i] = point;
}
}