Initial commit
Basic code to open a window and draw a box.
Add perspective transformation + handle window resizing.
Update README.md
Fix typos and coding style
Add phong lighting + the cube demo rotates now =)
Made the specular light less strong.
Add arc-ball camera + light sticking on the camera.
Removed the uggly closure and useless rotations.
Fix mouse x axis inversion.
Activate face culling.
Add simple obj loaders + cone/cylinder/sphere primitives.
Add demo code.
Add the demo from the readme as a .rs file.
Geometries sizes can be customized now.
Objects transform now uses higher precision floats (on the cpu side).
Re-adjust the fov to something less weird when the camera is close to an object.
Removed specular contribution.
Set the background to pure black.
Make constants uppercases + adapt to the new nalgebra api.