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function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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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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Xen

remix of d/2912 by u/p01

function u(t) {

for(i=c.width|=0;i--;)x.fillText(i,i%98*19,i*(1-C(i/t)))

Jul 19 2017 9:25 PM UTC

}// 56/140

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p01

function u(t) {

for(i=c.width|=0;i--;)x.fillText(i,i%98*19,i/9*(4-C(i/t)))

Jul 19 2017 9:23 PM UTC

}// 58/140

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Xen

remix of d/739 by u/donbright

function u(t) {

for(i=c.width=999;i--;x.lineTo(496+S(t*i)*i,285+C(t*i)*i));x.stroke()

Jul 19 2017 7:31 PM UTC

}// 69/140

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u/lionleaf

trippy
u/Xen

can almost fall into it, dont lean too much...
u/Xen

also, scroll down to pause and look at frames.

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Xen

remix of d/1504 by u/innovati

function u(t) {

for(i=1e4;i--;x.fillRect(i,i/t,i/t,t)){x.fillStyle='hsl('+i*i+',99%,50%)'}

Jul 19 2017 6:28 PM UTC

}// 74/140

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u/innovati

Beautiful 🌈
u/Xen

Thank you, Plasma pillars :D

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Xen

remix of d/2906 by u/Xen

function u(t) {

for(i=c.width|=0;i--;x.fillText(i,i%98*J,J*(9-C(i/t))))J=2e4/i

Jul 19 2017 12:01 AM UTC

}// 62/140

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Xen

remix of d/2894 by u/Xen

function u(t) {

for(i=c.width|=0;i--;x.fillText('🌊',i%98*J,J*(9-C(i/t))))J=2e4/i

Jul 18 2017 11:56 PM UTC

}// 64/140

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Xen

remix of d/2846 by u/cantelope

function u(t) {

for(x.fillRect(B=490,0,A=970,i=1e3);i--;)x.clearRect(A+1/(3+C(t*i))*S(t*i)*S(i)*A,C(i)/3*A+B,7,2)

Jul 18 2017 11:20 PM UTC

}// 97/140

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Xen

remix of d/114 by u/stiaje

function u(t) {

x.strokeStyle=R((T*t-2)%(T=255),(T*t)%T,(T*t*2)%T,T);for(i=99;i--;x.stroke())x.rotate(.032),x.beginPath(),x.moveTo(-t*T,-t),x.lineTo(2e4,t);

Jul 18 2017 9:59 PM UTC

}// 140/140

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u/stiaje

Awesome remix!
u/Xen

Thank you :)

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James

function u(t) {

for(i=441;i--;)if(!+("肂胺ꗲ阴ꑚꢑ겢뺮ﰂ퐇ﱟ쌥쐐얄镯쿵즀둂뺅貋鯺雝뀟걯肽^".charCodeAt(i/15).toString(2).substr(1)[i%15]))x.fillRect(i%21*44,~~(i/21)*44,44,44)

Jul 18 2017 9:31 PM UTC

}// 137/140

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u/sigveseb

Nice! Is it a valid QR code?
u/stiaje

I scanned it! Goes to x.com ;)
u/stiaje

*spoiler alert*

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donbright

remix of d/2887 by u/dzozef

function u(t) {

for(i=frame;i--;){a=i%230;y=i/30;x.fillRect(a*9,99+y*5-T(((15-a)**2+(15-y)*2)+t*5)*2,9,9);x.fillStyle=R(a,y,frame);}

Jul 18 2017 2:21 AM UTC

}// 116/140

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with time it sparkles

u/cantelope

I see the sparkles!