Please help me understand this GLSL code.
category: code [glöplog]
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Next step is to implement some grid to reduce the number of intersections
per section of the viewport. Still wrapping my mind around that.
You have 80+ FPS, so I'd rather do something more constructive, like another scene, animation or postprocessing.
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I'm still wondering when marching would actually pay off performance wise...
In this case it will not.
Suggestion: Put these things up on shadertoy, at least in a simplified form. We can see exactly what's happening then :)