Goodbye Circles, Hello Squircles: Perfect Corners in CSS & Canvas

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orgpad.info/blog/squircles

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Lost me when it started talking about discontinuity of curvature as if that’s something that’s important. It’s important when building a railway, but not when drawing something squarish. I’m gonna complain that squircles aren’t third-differentiable.

I agree. C2 continuity does matter for aesthetics sometimes, but not for a button.



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