魔兽世界2D版游戏引擎，作者本来想做一套2D版魔兽世界，但被暴雪施压，最后改成Frost引擎。供大家交流学习。-2D version of World of Warcraft game engine, the author would have wanted to do a 2D version of World of Warcraft, but the pressure was heavy snow, and finally into the engine Frost. The exchang