private void StartGrind(GrindRail rail, bool playSound)
{
currentRail = rail;
Active = true;
if (playSound)
{
AudioManager.Instance.PlaySoundVaried("GrindStart");
}
// Snap player to rail
transform.position = currentRail.ClosestPointOnRail(transform.position);
Vector3 railDir = currentRail.GetForward();
float dot = DotWithRail(transform.forward, currentRail);
// Player should go forward on the rail
if (dot >= 0.0f)
{
transform.rotation = Quaternion.LookRotation(railDir, currentRail.GetNormal());
}
// Player should go backwards on the rail
else
{
transform.rotation = Quaternion.LookRotation(-railDir, currentRail.GetNormal());
}
}
public void StopGrind(bool playSound)
{
Active = false;
if (playSound)
{
AudioManager.Instance.PlaySoundVaried("GrindEnd");
}
currentRail = null;
}
public void TryGrind()
{
if (grindRails.Count <= 0)
{
return;
}
GrindRail closest = FindClosestRail();
Debug.Assert(closest != null, "ERROR: Couldn't find a closest grind rail");
if (closest.CanGrind(transform.position))
{
StartGrind(closest, true);
}
return;
}
public override void OnMove(float steering, float accelInput, bool isGrounded, float boostInput)
{
if (!Active)
{
return;
}
// Check if fallen off end of rail
if ((currentRail.ClosestPointOnRail(transform.position) - transform.position).magnitude > fallenOffDistance)
{
// First, try to find another rail to snap to
GrindRail closest = FindClosestRail();
float closestDot = Vector3.Dot(closest.GetForward(), rigidBody.velocity.normalized);
if (Mathf.Abs(closestDot) > 0.75f && closest.CanGrind(transform.position))
{
StopGrind(false);
StartGrind(closest, true);
}
else
{
StopGrind(true);
}
return;
}
// If not, align player velocity with rail
float dot = DotWithRail(rigidBody.velocity.normalized, currentRail);
Vector3 railDir = currentRail.GetForward();
// Player should go forward on the rail
if (dot >= 0.0f)
{
rigidBody.velocity = rigidBody.velocity.magnitude * railDir;
}
else
{
rigidBody.velocity = rigidBody.velocity.magnitude * -railDir;
}
}
private GrindRail FindClosestRail()
{
GrindRail closest = null;
float closestDist = 999999.0f;
for (int i = 0; i < grindRails.Count; i++)
{
GrindRail testRail = grindRails[i];
if (currentRail && testRail.GetInstanceID() == currentRail.GetInstanceID())
{
continue;
}
float dist = (testRail.ClosestPointOnRail(transform.position) - transform.position).magnitude;
if (dist < closestDist)
{
closest = testRail;
closestDist = dist;
}
}
return(closest);
}
private float DotWithRail(Vector3 other, GrindRail rail)
{
Vector3 railDir = rail.GetForward();
return(Vector3.Dot(other, railDir));
}
