Danmaku made by Haxe
To build a bullet hell / roguelike game we need both dungeon generator and bullet pattern engine. In Tunneling Maze Generator, we build a framework for dungeon generator. Now we need to decide what kind of bullet pattern engine to use. AFAIK, there are many types of bullet pattern engine. BulletML which is used by Enter the Gungeon; Touhou Danmakufu which can make Touhou Project-style game; and other engines like STGBuilder, LuaSTG, DanmakU .etc has their own followers. In some way, all these engines use fire-subfire model. In this model, each shot is usually…