public static void Init()
{
Tiles = SpriteSet.FromDirectory("Tiles Sprite Set", Path.Combine(Content.Root, "spritesets", "tiles"), true, true);
Editor = SpriteSet.FromDirectory("Editor Sprite Set", Path.Combine(Content.Root, "spritesets", "editor"), true, false);
Player = SpriteSet.FromDirectory("Player Sprite Set", Path.Combine(Content.Root, "spritesets", "player"), true, false);
Common = SpriteSet.FromDirectory("Common Sprite Set", Path.Combine(Content.Root, "spritesets", "common"), true, false);
}