Learning-OpenGL-ES-for-iOS
(源码)OpenGL ES应用开发实践指南：iOS卷
Learning OpenGL ES for iOS:A Hands-On Guide to Modern 3D Graphics Programming
书籍介绍:http://product.china-pub.com/3768099#qy
源码地址:http://www.cosmicthump.com/learning-opengl-es-sample-code
https://github.com/erikbuck/COLLADAViewer2