modify
test load json model
merge master
Merge branch 'master' into perspective-matrix
Merge branch 'examples' of github.com:nshen/Stage3D.js into examples
add loadObj example
Merge branch 'examples' into perspective-matrix
add loadObj example
merge examples
rotate spaceship
merge master
implement Blinn-Phong reflection model
phong shading and gouraud shading
add a simple OrbitCamera
clean shader