GFX lib Data Structures

Here are the data structures with brief descriptions:

mesh_t	Mesh: a set of points (vectors) refered by a set of triangles
object_t	Object is a solid in a scene, with translation, rotation and the solid's mesh
sprite_t	Sprite data
surface_t	Drawing surface
triangle_t	Triangle made of 3 vertexes
vector_t	Vector in 3 dimensions

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