public bool Move(float distance)
{
//Move the most forward axle first
if (direction == Direction.Forward)
{
if (axleFront.Move(distance))
{
axleRear.Move(distance);
return(true);
}
}
else
{
if (axleRear.Move(distance))
{
axleFront.Move(distance);
return(true);
}
}
return(false);
}
//Warning: Recursive
public bool Move(float distance)
{
bool hasMoved = false;
float newPosition = position + distance * (int)direction;
if (currentTrackSection.GetPositionOnTrack(newPosition) != null)
{
//Do the thing
position = newPosition;
hasMoved = true;
}
else
{
TrackSection newSection = (direction == Direction.Forward) ? TrackCollection.instance.Get(currentTrackSection.NextSectionIndex) : TrackCollection.instance.Get(currentTrackSection.PreviousSectionIndex);
if (newSection != null)
{
//Check to see if we need to switch direction
Direction newDirection = direction;
float distanceOnNewSection = 0.0f;
float positionOnNewSection = 0.0f;
if (direction == Direction.Forward)
{
distanceOnNewSection = newPosition - currentTrackSection.length;
//TODO: Make a function to determine the correct direction in the TrackSection class
//Might be needed when working with switches, so we can override it in that case
if (newSection.CheckNextSection(currentTrackSection))
{
newDirection = Direction.Reverse;
positionOnNewSection = newSection.length;
}
}
else
{
distanceOnNewSection = -newPosition;
positionOnNewSection = newSection.length;
if (newSection.CheckPreviousSection(currentTrackSection))
{
newDirection = Direction.Forward;
positionOnNewSection = 0.0f;
}
}
//TODO: Try to get a stack overflow by calling move with a really high distance value
Traveler traveler = new Traveler(newSection, newDirection, positionOnNewSection);
hasMoved = traveler.Move(distanceOnNewSection);
this.direction = traveler.direction;
this.currentTrackSection = traveler.currentTrackSection;
this.position = traveler.position;
}
else
{
//There was no new section!
//TODO: Derail, move to the end or something else?
UnityEngine.Debug.Log("Traveler got stuck at track section " + currentTrackSection.index);
Derail();
}
}
return(hasMoved);
}
