ADDED self-intersecting polygon decomposition#5
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Added a method decomposeSelfIntersecting which will decompose specified polygon into an array of simple polygons. Its just a first draft out of my mind with possible optimizations, I didn't use any source material.
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Thanks for taking a crack at this. It would be really nice to have this feature. From testing your initial impl. I can see that the resulting decomposing polys can sometimes overlap, which could be unwanted (you can try it with a star-shaped self-intersecting poly). |
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Yea I am well aware that results can overlap thats what I was after instead of substraction of such polys which is common behavior in some other poly renderers. Anyway this method has bugs and will not work when first/last segment intersect with something I already fixed that and will commit new. |
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Added a method decomposeSelfIntersecting which will decompose specified polygon into an array of simple polygons. Its just a first draft out of my mind with possible optimizations, I didn't use any source material.