/// <summary>
/// This method calls the currentNode's Constrain() method, and then uses the returned position
/// and rotation data to modify this object's position and rotation. If Constrain() returns
/// a new PathNode, the new node is stored as currentNode and then the method calls itself
/// to re-attmempt projection.
/// </summary>
/// <param name="recursions">This keeps track of how many times the method has recursed. Recursion should only happen once, but if it happens 3 or more times an Exception is thrown.</param>
void ProjectionOntoPath(int recursions = 0)
{
if (!currentNode)
{
return;
}
if (recursions > 2)
{
throw new System.Exception("Recursive path switching in AlignWithPath. This shouldn't happen. Submit a bug to the issue tracker.");
}
PathNode.ProjectionResults results = currentNode.Constrain(transform);
if (results.newNode != null)
{
currentNode = results.newNode;
ProjectionOntoPath(recursions + 1);
}
else
{
if (!float.IsNaN(results.percent))
{
percentValueOnPath = results.percent;
}
results.position.y = transform.position.y;
transform.rotation = results.rotation;
transform.position = results.position;
}
}