如果做一个基于unity 3d的飞船多种方式巡航，太空景观模拟，需要那些技术和知识
http://wenku.baidu.com/link?url=DEaRFyVIAH4kZ7TolplfFhFhmAk3gFaNSOH7XPzfTnCWY4CBfCAKSoCuY_yinRE4KvXlieqekITEBOsJppWktjEKbn1nkmHL4uyOMTaiH9y
