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by CyberDildonics
2051 days ago
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It isn't about inverting the skybox, it is done in the same way as reflection mapping, but instead of reflection ray directions you use refraction ray directions. The reason these can look off is because the image is flat and on a cube or sphere and doesn't have depth and exists infinitely far away. Sometimes cubes or spheres with a defined size are used to give a little more plausibility. |
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