private void Play(bool forward = true)
{
float m = (rail.nodes[currentSeg + 1].transform.position - rail.nodes[currentSeg].transform.position).magnitude;
float s = (Time.deltaTime * 1 / m) * speed;
transition += (forward)? s : -s;
if (transition > 1)
{
transition = 0;
currentSeg++;
if (currentSeg == rail.nodes.Length - 1)
{
if (isLooping)
{
if (pingPong)
{
transition = 1;
currentSeg = rail.nodes.Length - 2;
isReversed = !isReversed;
}
else
{
currentSeg = 0;
}
}
else
{
isCompleted = true;
return;
}
}
}
else if (transition < 0)
{
transition = 1;
currentSeg--;
if (currentSeg == -1)
{
if (isLooping)
{
if (pingPong)
{
currentSeg = 0;
transition = 0;
isReversed = !isReversed;
}
else
{
currentSeg = rail.nodes.Length - 2;
}
}
else
{
isCompleted = true;
return;
}
}
}
transform.position = rail.PositionOnRail(currentSeg, transition, mode);
transform.rotation = rail.LinearOrientation(currentSeg, transition);
}