果使用比较标准的COLLADA的话文件肯定太大,不适合网络传输,比如下面图二中的Mini cooper模型用collada高达141mb,而且基于XML的格式解析起来又会比较慢。
collada的working group的又提出了一个比较适合WebGL的文件传输格式...
WebGL has been a strong success, bringing hardware-accelerated 3D graphics to the browser. Now the standards group behind it hopes to let Web apps get even more use out of the graphics chip by releasing version 1....