Fomorian is a Haskell library that lets you produce 3D graphics by manipulating a scene graph using either OpenGL or Vulkan.
for an example here is a test scene graph from the Sample.hs file
testScene3d :: SceneGraph NeutralSceneTarget DefaultDrawFrameParams
testScene3d = neutral3DSceneRoot $
perspectiveProject config $
autoAspect $
cameraLookAt (V3 5 10 0) (V3 0 0 0) (V3 0 0 1) $
group [
scale3d (V3 2 2 2) someCube,
translate3d (V3 3 0 0) $ spin3d (V3 0.7071 0.7071 0) 2 someCube
]
where
config = PerspectiveProject 1.2 {-fov-} 1.0 {-aspect-} 0.1 {-near plane-} 1000 {-far plane-}
someCube :: (DrawReq NeutralSceneTarget dr) => SceneGraph NeutralSceneTarget dr
someCube = wavefrontMesh "unlit3d" "testcube.obj" ["sad-crab.png"]This produces the display:
to run the example install stack then:
stack build
stack exec example
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