Exemplo n.º 1
0
    /// <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;
        }
    }