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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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katkip

function u(t) {

f=x=>S(x/9)
d=31
x.stroke();for(i=0,t*=99;i++<380;)x.fillRect(i*5,540+f(i)*99,4,4);x.lineTo((q=t+d)*5,540+f(q)*99,x.moveTo(t*5,540+f(t)*99))

Dec 15 2019 8:51 AM UTC

}// 142/140

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katkip: change f(x) and d (difference)

katkip: f=x=>S(x/9)+C(x/9);d=81 is nice

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KilledByAPixel

remix of d/16826 by u/KilledByAPixel

function u(t) {

with(x)for(fillRect(0,0,2e3,2e3),q=i=300;i--;beginPath(fill(arc(960+700*S(t+i*2),540+400*C(t+i*3),i/6,0,7))))fillStyle=R(i,i?S(i)*128+128:0)

Dec 15 2019 8:20 AM UTC

}// 140/140

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KilledByAPixel: Lissajous curve points

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KilledByAPixel

remix of d/16850 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁴𬡡𫡳𫁡𭁥𚁩🐹𝠰𛀵𝀰𚐻𪐭𛐻𩡩𫁬𤡥𨱴𚁓𚁪𚡪𚱴𚐬𤰨𪠫𭀯𜰩𛀱𛀱𚐩𬱡𭡥𚁲𩑳𭁯𬡥𚀩𚐬𬡯𭁡𭁥𚀨𪐫𪐥𜠩𚠮𝐲𜰶𚐬𩡩𫁬𤱴𮑬𩐽𤠨𪠽𚁩𛰱𜡼𜀩𚠷𛁪𙐲𝐵𛁪𚠽𜰩𛁳𨱡𫁥𚁪𛁩𙐲🱪𞠭𪠩𛁣𫁩𬀨𫡥𭰠𤁡𭁨𜡄𚀧𫐰𘀰𭠲𩐳𪀱𜐶𜀧𚐩`.replace(/u../g,'')))

Dec 15 2019 5:04 AM UTC

}// 140/140

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KilledByAPixel: Kaleidoscope #5

katkip: #compressed #laggy

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nntb

remix of d/10739 by u/tomxor

function u(t) {

x.fillRect(0,0,i=2e3,i)
for(t+=250;i--;c=t/3*(i%t<t/8))x.clearRect(960+9*c*S(R=i**97)+t*C(T),540+c*C(R)+t*S(T=i**.4)*C(!c*i),s=5*S(i-t),s)

Dec 14 2019 11:51 PM UTC

}// 139/140

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nntb: moved the flames to stars. changed it up a bit.

nntb: i wish i could stop the forward creep but i dont understand the math

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nntb

remix of d/3276 by u/cantelope

function u(t) {

for(x.fillRect(0,0,i=(w=1e3)*2,i);--i;)x.clearRect(w+((i+S(i)*9/(Z=3+((i/60|0)*2+t*16)%65))%30-15)/Z*w,561+(3-S(i*4+t)*76/Z)/Z*w,s=w/Z/Z,s)

Dec 14 2019 11:41 PM UTC

}// 139/140

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nntb: just a little adjustment to make it seem more like the back seat of a car

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Odog8

function u(t) {

m=10;for(a=40;a--;)for(b=40;b--;){i=d=e=0;while(i<m&d*d+e*e<4)d=d*d-e*e+a/m-2,e=2*d*e+b/m-2,i++,x.fillStyle=R(i*25),x.fillRect(a*m,b*m,m,m)}

Dec 14 2019 10:37 PM UTC

}// 140/140

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Odog8: new & improved #mandelbrot #uncompressed

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Odog8

function u(t) {

a=~~(t*60)*60;x.fillRect(a%1920,a%1080,60,60)

Dec 14 2019 9:27 PM UTC

}// 45/140

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Odog8: #checkerboard

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mildlybean

function u(t) {

t?onclick=_=>c.width|=s=t:s=1;for(X=Y=i=Q=3;i--;Y+=C(t*R(9))*R(750/Q))R=r=>~~(S(r**i*s)*r),X+=S(t*R(9))*R(750/Q);x.fillRect(X+960,Y+540,9,9)

Dec 14 2019 6:35 PM UTC

}// 140/140

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mildlybean: The pattern changes every time you click! Try increasing Q for more intricate designs

katkip: some of them are really nice!

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camel_case

function u(t) {

d="123f;145o;245u;345i;125l;000 ".split`;`
x.font='4em"'
x.fillText(w+=d[n=d[n].charAt(new Date%3)].charAt(3),9,t*3300)
}var w="f",n=0
{

Dec 14 2019 5:30 PM UTC

}// 140/140

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camel_case: dadaist-esque poem generator

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katkip

function u(t) {

eval(localStorage.Y)//꼽俞䳄䳋뻝㻘䔙䔳䔲䁍慛뮮馅ꅙ갰頄ꊨ䁋鿏뉈ꑍ咛ꐽ䚋䂈䡁늃㻘䎃㻲䈐䎠䈉䦥䀺돜謻棘뉊꼫꼪ꐿ勹䈓䓰䓰䓰䁋뮮됤늏ꞕ㺩岙龈돮义뻈覭돜謼돟乌뉉䔺㻘䎣䔙䔳䦢䔲䍡䂍岪㺹咐䓵兰䓱䬰䧤䔴䁋

Dec 13 2019 7:01 PM UTC

}// 105/140

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katkip: If this doesn't work, go to https://www.dwitter.net/d/16213

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