游戏开发导引第13章源码，骨骼动画，书很好，BaiDu上搜不到源码的，故上传，太大了(总共200兆)难下载，只好分开传，原本该网站只有1-5章内容-game development Seeker Chapter 13 source, skeletal animation, a good book, not found on the portal source code, Upload it, too (total 200 megabytes) hard to download, but sepa