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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: #crypto

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smtsjhr

remix of d/19621 by u/smtsjhr

function u(t) {

c.width|=0
x.translate(980,540)
x.globalAlpha=.2
for(f=32;f--;x.rotate(f*.19634))for(i=50;i--;)
{x.fillRect(100*t*(25-i),1e2,25+10*t*t,1e4)}

Aug 7 2020 1:20 AM UTC

}// 140/140

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what i saw when i died

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smtsjhr

remix of d/19467 by u/smtsjhr

function u(t) {

c.width|=0
x.translate(980,540)
x.globalAlpha=.25
for(f=32;f--;x.rotate(f*.19634))for(i=50;i--;){x.fillRect(100*(25-i+t/5),0,30,1e3*S(t/5))}

Aug 7 2020 1:18 AM UTC

}// 140/140

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Odog8

function u(t) {

t?0:document.body.innerHTML="<textarea width=1000 height=1000>"+document.body.innerHTML;C=(x)=>console.log("NOCOS");browserGlobals=""

Aug 7 2020 12:57 AM UTC

}// 133/140

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injection maybe?

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vityavv

function u(t) {

x.clearRect(0,0,1920,1080)
x.lineWidth=10
for(a=50;a;a--){
x.beginPath()
x.arc(960,540,10*a,c=(b=Math.PI)+t/5*a,c+b/2)
x.stroke()}

Aug 6 2020 5:57 PM UTC

}// 130/140

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I could stare at this for hours

u/Irratix

Cool!

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Irratix

remix of d/19617 by u/vityavv

function u(t) {

c.width|=0
x.translate(960,590)
for(q=21;q--;){x.rotate(t/3)
x.fillStyle=R(0,255-12*q)
x.fillRect(a=20*q,a,b=100*q,b)}

Aug 6 2020 5:16 PM UTC

}// 118/140

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Was just trying to golf a bit more for fun, but ended up with an effect I thought looked really cool :D

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vityavv

remix of d/19616 by u/vityavv

function u(t) {

c.width=1920
x.translate(960,590)
for(q=20;q;q--){x.rotate(t/3)
x.fillStyle=R(0,255-12*q,0)
x.fillRect(a=-50*q,a,b=100*q,b)}

Aug 6 2020 5:02 PM UTC

}// 124/140

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cut down a bit

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vityavv

function u(t) {

c.width=1920
x.translate(910, 590)
for(q=20;q;q-=1){x.rotate(t/3)
x.fillStyle=R(0,255-12*q,0)
x.fillRect(-50*q,-50*q,100*q,100*q)}

Aug 6 2020 4:58 PM UTC

}// 130/140

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first post, surprised at how nice this looks (relatively)

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ntsutae

function u(t) {

(t*=60)||(c.width=w=640);for(i=w;i--;)
x.fillStyle=R(g=(t-i^t+i)**8%7?0:w,g,g),x.fillRect(i,0,1,1)
x.drawImage(c,0,1)

Aug 5 2020 10:41 PM UTC

}// 117/140

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(t-i^t+i)**8%7

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ntsutae

function u(t) {

(t*=60)||(c.width=w=320);for(i=w;i--;)
x.fillStyle=R(g=(t-i^t+i)%5?0:w,g,g),x.fillRect(i,0,1,1)
x.drawImage(c,0,1)

Aug 5 2020 10:26 PM UTC

}// 114/140

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(t-i^t+i)%5

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭀿𣰽𦰮𛠮𢐮𭡡𫁵𩑝𞡣𛡯𭑴𩑲𢁔𣑌🐢🁴𩑸𭁡𬡥𨐠𨱯𫁳🐷𝀠𬡯𭱳🐲𜀠𪑤👉🡄𭱩𭁴𩑲𘐢𞰊𩡯𬠨𫠽𪐽𣰮𫁥𫡧𭁨𞱩𛐭𞰩𩡯𬠨𪠽𞐻𪠭𛐻𚑏𛡳𬁬𪑣𩐨𪐬𜀬𤱴𬡩𫡧𛡦𬡯𫑃𪁡𬡃𫱤𩐨𚁱🐸𜠳𚱓𚀫𚱮𚡮𚐪𝐵𯀰𚐭𘐨𬐭𝰸𝠦𙡱𛐸𜰷𚐩𚐊𭁨𬡯𭰠𣰮𪡯𪑮𨁠`.replace(/u../g,'')))

Aug 5 2020 8:23 PM UTC

}// 140/140

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̇̂͏̙̆̅ͭ͋͝G̥̜̀͛ͦͭ̄͑̿l̩̦̮̺̊̐̀ͫ͞i̸̬͓̪͚ͤ̇̋̕t̶̙͑ͥͬͬͫ̎ͭc̫̠͉ͭ͊ͫ̌̀͠h̨͎̖ͭ̄́ͬ̽͘ ͕͚͖͍̩͊̓͢͟D̞̩̃̀ͬͭ̀̊͝w͏̪̱̮̥̅̑ͭͨe̙ͭ̊̀̿̀̆ͪ́e̵̠ͩ̈͆̀̃ͪ̕t - Enter text to see glitched version. #crypto

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