v0.5 dev

[miguelmyers8]

• CubeMap is a single isosphere; it can now layer outputs. We rewrote the cube to work more like a graph that gets defined and then compiled, and the ability to add texture to CubeMap.

• Quad can now accept a texture for each dimension so it can dynamically load textures at different resolutions depending on the player's position.

• Sphere uses a single quadtree. This should improve initialization time and memory.

• Atmosphere parameters are exposed.

• unit test setup.

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This discussion was created from the release v0.5 dev.