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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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  • cantelope: c.width=-1;t||(P=[]);P.push(Array(w=150).fill().map((v,i)=>({Y:8+S(i/4)*C(t*16)*3,w:40})));P.map(v=>v.filter(v=>v.w).map((v,i)=>{x.fillRect(w+(i-75)/(g=v.w--)*w,v.Y/g*w,s=1e3/g/g,s)}))

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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)