3d游戏开发的一些介绍，如引擎、背景的导入、碰撞检测和处理、人工智能、添加多层级和角色、更新游戏元素、用户界面、游戏特效介绍、语音识别-3d game development some of introduction, such as the engine, into the background, collision detection and treatment, artificial intelligence, to add multi-level and role, update the