Quote:You wouldn't happen to have a link to the forum where you found the original code would you?
The original forum, RetroBasic, is gone but it was preserved in a Board at AllBasic Forum.
I can't find exact code from ZXDunny I used but this does the same thing, sorta, projecting an image into spheres:
https://retrobasic.allbasic.info/index.php?topic=721.0
I believe I posted a version of this here too. This one does not use ASin.
I think I was main poster of code at that place!
Found it on You Tube: https://www.youtube.com/watch?v=0EGDJybA_HE
There is the code with ASin!
b = b + ...