this post was submitted on 06 Jun 2025
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Unreal Engine to move to using Y-up (europe.pub)
submitted 1 week ago by Justdaveisfine@midwest.social to c/gamedev@programming.dev
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[–] Reddfugee42@lemmy.world 5 points 1 week ago (2 children)

Z is depth. Why should it ever be up? Honest question.

[–] egerlach@lemmy.ca 6 points 1 week ago (1 children)

It depends if you view the X-Y plane as the camera/viewport/screen or the ground. If X-Y is the ground, then Z is either up or down.

[–] nlgranger@lemmy.world 2 points 1 week ago

For cameras, the convention is Z depth but right handed:

  • X rightward / pixel column from the left
  • Y downward / pixel row from the top