public static UnitCache Of(string fx, int min, int max, int w, int h, System.Action<UnitCache> done)
{
var u = new UnitCache();
Console.WriteLine("LoadCache " + new { fx, min, max });
u.LoadCache(fx, min, max);
u.Width = w;
u.Height = h;
u.WhenCacheLoaded(done);
return u;
}
