graphene src f625ce709ce0938b53dbab0156c935e4a62f1ad550af18b8f9b717bb4637bb57 A thin layer of types for graphic libraries Graphene provides a small set of mathematical types needed to implement graphic libraries that deal with 2D and 3D transformations and projections. angrypenguin <angrypenguinpoland@gmail.com> https://github.com/ebassi/graphene