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function u(t) {
} //
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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.
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function u(t) {

}//
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  • SOURCE (194/140): for(j=4;j--;){for(i=96;i--;x.fill()){u=(d=(i+((-1)**j)*t%2)/15)%1;k=Math.floor(d);x.fillStyle=R(c=i%2*255,c,c,1);x.beginPath();x.arc((2*k-1-C(a=(-1)**k*u*3.14))*(A=200),2*A*(3-j)+S(a)*A,A,0,7)}}

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u(t) is called 60 times per second. t: elapsed time in seconds. c: A 1920x1080 canvas. x: A 2D context for that canvas. S: Math.sin C: Math.cos T: Math.tan R: Generates rgba-strings, ex.: R(255, 255, 255, 0.5)