the online resources for parametric curve intersection are all years old and fall into two categoriespic.twitter.com/SVCUXwzxIX
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since I was literally just looking into this last night: check out https://github.com/lightbringer/clipper-java … on the JVM or @PaperJS otherwise
wait sorry that JVM link does not include Bézier curves, but pretty sure paper does.
All the clipping algorithms leave actual intersection checks as a exercise for the reader, as far as I’ve seen. They just describe what to do with the resulting graph of edges.
Just in case this is helpful or interesting: http://paperjs.org/examples/path-intersections/ …
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