GoDummyPathEditor Enhancement

[RavenCastleSTU]

Hi prime31, I created a small enhancement to the Editor class so we can move the nodes to start at the location of the GameObject where the GoDummyPath is.

I added this script just bellow this script block:

if( GUILayout.Button( "Shift Path to Start at Origin" ) ) { ... }

Here is the code:

// shift the start point to the GameObject where the GoDummyPath is
    if (GUILayout.Button("Shift Path to Start at Object"))
    {
        Undo.RegisterUndo(_target, "Path Vector Changed");

        var offset = Vector3.zero;

        // see what kind of path we are. the simplest case is just a straight line
        var path = new GoSpline(_target.nodes, _target.forceStraightLinePath);
        if (path.splineType == SplineType.StraightLine)
            offset = _target.transform.position - _target.nodes[0];
        else
            offset = _target.transform.position - _target.nodes[1];

        for (var i = 0; i < _target.nodes.Count; i++)
            _target.nodes[i] += offset;

        GUI.changed = true;
    }

I hope you add this to the branch. I found this very useful to observe the path when creating some spawn nodes in my game and reusing previously saved paths.

You may want to create a method that receives the start position Vector3 as an argument to avoid code duplication in both buttons (Shift Path to Start at Origin and this new one I created)