private Vector2 DecideNextDirection()
{
// Get the possible directions out of the current tile
Tile currentTile = tileMap[(int)truncatedPosition.x, (int)truncatedPosition.y];
IList <Vector2> directions = currentTile.GetDirections();
// Calculate which of the possible directions is the closest to the target
Vector2 closestToTarget = new Vector2(1000, 1000);
foreach (Vector2 dir in directions)
{
// The opposite direction of the current one is discarded
if (!VectorUtils.AreOpposite(ghostController.GetDirection(), dir))
{
if (Vector2.Distance(ghost.position + dir, target) <
Vector2.Distance(ghost.position + closestToTarget, target))
{
closestToTarget = dir;
}
}
}
lastDirectionDecided = closestToTarget;
return(closestToTarget);
}