Developed by Chris Nolet (c) 2018
To add an outline to an object, drag-and-drop the Outline.cs script onto the
object. The outline materials will be loaded at runtime.
You can also add outlines programmatically with:
var outline = gameObject.AddComponent();
outline.OutlineMode = Outline.Mode.OutlineAll;
outline.OutlineColor = Color.yellow;
outline.OutlineWidth = 5f;
The outline script does a small amount of work in Awake(). For best
results, use outline.enabled to toggle the outline. Avoid removing and
re-adding the component if possible.
For large meshes, you may also like to enable 'Precompute Outline' in the
editor. This will reduce the amount of work performed in Awake().