this post was submitted on 01 Dec 2025
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I legit had no idea anybody actually used the upper system until now. I had to read the comments just to see whether the upper system was just some sort of joke. I am horrified.
It depends on how you view 2D->3D.
If you're thinking of a side scroller like the original Super Mario, Y is up/down and X is left/right making the new dimention Z being forward/backward.
However if you think of 2D space like the first LoZ, then Y is North/South and X is East/West making Z up/down
Same with CSS for the same reason.
Almost the entirety of computer graphics uses the z coordinate for depth afaik.
Even Minecraft does it.
Yeah, and for a top-down game depth is up/down. You know, like depth being... Deep down.
As someone who looks at this from a GIS / cartographic view, the top option being possible is horrific to me.
Surely you mean the bottom one
https://help.autodesk.com/view/MAYAUL/2024/ENU/?guid=GUID-FDC58F4E-63B9-4012-B232-5F2FBAC5EAC9
Y-up and Z-up
In animation and visual effects, the tradition is to use Y as the “up” or elevation axis, with X and Z as the “ground” axes. However, some other industries traditionally use Z as the up axis and X and Y as the ground axes.