this post was submitted on 01 Dec 2025
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Weird didn't everyone learn XY on paper on a desk first? All they did was add z axis to that original concept for elevation which gives us the bottom image.
Top image is like if I held paper straight parallel to my face.
Screens vs paper. It's why all the engineering software uses Z-up, since they came from a paper top-down view workflow. But many of the creative software uses y-up, since they exist to create art that gets consumed on a screen. Like animation and games.
Blender and UE4 uses z as up. Which was intuitive to me having been taught that in school but Looks like industry standard for 2d focused engines use Y up based on this comment from 2009. What a mess.
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