Add iFrameRate builtin to Shadertoy utility #453
Merged
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While this doesn't show up in pygfx/shadertoy#15, I have seen this as an error at least once.
It should be simple to add, but understanding how the website implements it is a bit odd. The only reference I found is here: https://www.shadertoy.com/view/lsKGWV or the comment here: https://www.shadertoy.com/view/tlcfRB
So the implementation doesn't quite match the website but fits the literal definition. And it might be impossible to get a singular answer for this case, main idea being to avoid an "unknown variable" errors.