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u(t) is called 60 times per second. t: Elapsed time in seconds. S: Shorthand for Math.sin. C: Shorthand for Math.cos. T: Shorthand for Math.tan. R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5) c: A 1920x1080 canvas. x: A 2D context for that canvas.
Theme challenge of the month: #crypto
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remix of d/19310 by u/katkip

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  • shorter, unsecure #hash

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  • A real cryptographic hashing algorithm! #hash A=2**128,B=[3,5,7,11,13,17,19],H=n=>{for(o=n/A,r=9+B[n%7];r--;)v=B[n%7],n=(n+o)/2,o=o>>v|o<<128-v,o+=(9+o%6)**B[r%6],o^=n%(B[r%6]*v),o%=A;return o}

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