欢迎加入threejs
Threejs is the coolest graphics rendering engine I have ever seen, so what is threejs，
Now, we have a direct look at the results？
What can it do？
document地址在：
http://threejs.org/docs/index.html#Manual/Introduction/Creating_a_scene
等资源托管到cdn上后，这里就可以看见效果了。之后，代码是怎么实现的呢。。