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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.

Theme challenge of the month: #dancing

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KilledByAPixel

function u(t) {

with(x)for(c.width|=i=2;i--;fillText([...'🕺📻'][i],99*i-259,i?-40:159))font=(i?15:34)+'em"',translate(i?300:800,300),rotate(i?S(t*9)/19:9*t)

Apr 3 2020 2:35 AM UTC

}// 139/140

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Breakdancing #Dancing

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taupelink

remix of d/15399 by u/taupelink

function u(t) {

for(i=q=300,d=e=f=0;i--;d+=((r=Math.random(l=.8)*11|0)-3-d+e*f*C(d)/2)*l,f+=(r%2-f-d*e/9)*l,e+=(r%7/3-e+d*e*f/2)*l)x.fillRect(d*q,2*e*q,1,1)

Apr 3 2020 2:06 AM UTC

}// 140/140

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I'm resuming my #chaosgame experiments, no promises it will come out good if you choose to #waitforit

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Kirjava

function u(t) {

eval(unescape(escape`𪑦𚁴𯁼𚁓👱🐰𛁯𫡫𩑹𭑰👟🐾𮱱🐰𛁓𧠽𜑽𚐬𘑱𚑦𫱲𚁱👔👴𛁬👳🐢𘠬𪐽𜰸𞱩𛐭𞱲🐶𚡍𨑴𪀮𬡡𫡤𫱭𚀩𛁮🐰𯁲𛁬𘐽𚁬👮𙐳𚐿𬰫🐢𤡆𥑌𠡄𘡛𫡝𚰢𘀧𜠢𦰰𯀳𚠨𬠭𫠩𧐺𜀩𞱱𙠦𘑓𯁼𚁸𛡦𪑬𫁔𩑸𭀨𬰬𨰮𭱩𩁴𪀽𛐱𛀹𚐬𮀮𩡩𫁬𥁥𮁴𚁴𛑔𛀰𛀱𞀩𚐻`.replace(/u../g,'')))

Apr 2 2020 11:35 PM UTC

}// 139/140

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Rubik's Cube scrambler and timer - press a key to start/stop

u/AO

very nice done tried the timer got a 17.01 sec

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function u(t) {

c.width=1920
x.fillRect(0,0,1920,1080)
for(i=0;i<1980;i++)
x.fillStyle=R(S(t)*i,T(t)*i,C(t)*i)
x.font='5in"'
x.fillText("AO", S(t)*i, 700);

Apr 2 2020 10:56 PM UTC

}// 139/140

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function u(t) {

for(i=0;i<200;i++)
x.fillStyle=R(Math.random()*i,Math.random()*i)
x.fillRect(i+S(t)*1910,0,15,1080)
x.fillRect(0,i+S(t)*1070,1920,15,10)

Apr 2 2020 10:30 PM UTC

}// 136/140

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ersagun

remix of d/18086 by u/pavel

function u(t) {

with(x)fillStyle='#FFF',fillRect(0,0,2,1e3),fillStyle=R(),fillRect(0,540,2,10),drawImage(c,2,Math.random()*10-5)

Apr 2 2020 9:28 PM UTC

}// 112/140

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brown noise

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function u(t) {

for(i=0;i<40;i++)
x.fillStyle="#0A0"
x.fillRect(0,500+T(t)*i,1920,10)
x.fillStyle="#000"
x.fillRect(0,510+T(t)*i,1920,10)

Apr 2 2020 8:48 PM UTC

}// 123/140

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KilledByAPixel

remix of d/17209 by u/New_Core

function u(t) {

_="🕺💃"
eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁷👣𛡷𪑤𭁨🐹𜀰𛁱👩🐳𞀰𛁦𫱮𭀽𙰹𩑭𘠧𞱩𛐭𞱩🠲🱳𭁲𫱫𩑒𩑣𭀨𜀬𜠶𜀫𪐬𭰬𭰩𞡓𚁡🐨𭀫𪐥𜠩𚠳𚐼𜁼𯁩🱦𪑬𫁔𩑸𭀨𦰮𛠮𧱝𦱩𙐲𧐬𬐫𠰨𨐩𚠶𞐬𬐭𤰨𨐩𚠳𜀩𞠰𚑳𩑴𣁩𫡥𡁡𬱨𚁛𪑝𚐬𫁩𫡥𡁡𬱨𣱦𩡳𩑴👩𚡴𛑱𙑩`.replace(/u../g,'')))

Apr 2 2020 7:47 PM UTC

}// 140/140

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Dance Floor 🕺💃 #dancing

u/pavel

Check out d/7280 for possibly a shorter floor code

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rodrigo.siqueira

function u(t) {

for(i=1e4*(t<5);i--;x.fillRect(960+260*a,540+260*b,.1,1))
S(r=i*t)>0?(a=S(r*i)*3,b=C(r*t)*2):b=C(a)-(a=S(-b)/2+a/2)/4
x.fillStyle=R(99)

Apr 2 2020 6:39 PM UTC

}// 135/140

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Dove on canvas

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katkip

remix of d/18119 by u/katkip

function u(t) {

z='';for(i=7;i--;)z+=[`┏1┛♪`,`♪┗1┓`][((i+t)%2)|0].split(1).join([`(･ o ･)`,`(･ - ･)`][(2*(t+i*2)%2)|0])+" ";throw z

Apr 2 2020 12:16 PM UTC

}// 115/140

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#throw party #dancing

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