DONE

Objects

Sphere
Plane
AARect
AABox
AAHexa

Effects

Rotate
Refraction
Reflection

Lights

Bulb
Sun

Effects

Diffuse
Specular

Shadow

Ambient light

More

Anti-aliasing

TODO

Handle severals lights correctly
Shadow : handle refraction and reflection
Config : handle errors correctly (check all unwrap / try! / panic! in code)
Objects : compute wrong normal if inside some objects
Colored image to 3d object

FIXME

objects::Rotater : Wrong normal when rotate x and y