Hello, I’m wondering how to draw spell cast indicators (arrows with range or draw Area of effect) in game. It is scallable and dynamic drawing. This drawing should be drawed at players model foots (or from it, but start point for indicator is player position). It would be nice if drawing could be drawn on map (like 2d drawn on 3d object).
Download the Content Examples and look around in some of the material examples. There is an example that shows how you can partially hide/reveal a material using a variable or two. In the example, it shows stone and grass and how with a simple slider you can practically grow cobblestone out of the grass. I am pretty sure you could use the same thing for your LoL style targeting arrows.
On the other hand, I feel like the spline tool that epic is working on would be an easy way as well. The spline tool might be ready in 4.3 from the looks of it. Engine News 6/11 - C++ - Unreal Engine Forums
The spline tool should work just as well with a straight arrow as it does with curves.