摘要：
http://msdn.microsoft.com/en-us/library/bb203909(v=xnagamestudio.31).aspxhttp://xbox.create.msdn.com/en-US/education/catalog/sample/chasecamerahttp://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/4.1 Third-Person Camera Navigation,Section 4,Ga 阅读全文