Ray Casting Algorithm is neat because it's immediately understandable efficiency... | Hacker News

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		insaider on Nov 1, 2022 \| parent \| context \| favorite \| on: Ask HN: What piece of code/codebase blew your mind... Ray Casting Algorithm is neat because it's immediately understandable efficiency https://en.wikipedia.org/wiki/Point_in_polygon

djmips on Nov 1, 2022 [–]

I remember that back to childhood when I simply couldn't comprehend how it worked and it made me sad.

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