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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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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HellMood

function u(t) {

z=256;t=z-z*t%73;t*=t/6e4;for(i=99;i--;)for(k=56;k--;)x.fillStyle=R(((i-k/2)*t&k*t)*z,z,z),x.fillRect(i*19,k*19,11,11)

May 8 2020 11:49 PM UTC

}// 118/140

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Zoompinski

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u/HellMood

Hard to trade resolution, speed, zoom smoothness and space against each other ;)
u/sigveseb

Nice!
u/HellMood

#sierpinski
u/bandaloo

how does a sierpinksi triangle come out of that expression in R? i do not understand
u/joeytwiddle

bandaloo, you can get a Sierpinski out of i&k binary and
u/bandaloo

thanks joeytwiddle. i did some research after this and learned a lot

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KilledByAPixel

remix of d/18639 by u/pavel

function u(t) {

eval(unescape(escape`𩡯𬠨𪰽𪐽𞀵𜀻𛐭𪐻𮀮𩡩𫁬𤡥𨱴𚁫𛑩𚱲𚡃𚁡𚐪𞐬𝀲𜀭𬠪𚁱🐭𤰨𨐩𚐪𝐬𬠪🐴𛀨𬐼𛠷𯁱🠮𝰲𯁥𚐿𬠯𜠺𜑥𝐩𚑥👩𙐲𛁲🐨𜠭𩐯𛠶𚐪𜑥𝀯𪐬𨐽𩐿𚁩𚱴𚡫𛰵🠾𝠩𚠪𝐺𥀽𪐭𜠴𜀪𭀬𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱥🱡𞡩𯐠𙁻𩐪𪰫𞑽𙐠𙁻𤰨𥀯𞐹𚐪𜰵𚰳𝑽𙑠`.replace(/u../g,'')))

May 8 2020 4:31 PM UTC

}// 140/140

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Subway #Cavern 🚇

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katkip

function u(t) {

eval(unescape(escape`𩠽𚁸𛁹𛁮𚐽🡮🠰🱦𚁓𚁹𚠲𛑴𛰵𚐭𠰨𮀪𜠩𛁓𚁸𚠲𚐭𤰨𮐪𜠫𭀯𜰩𚱴𛰴𛁮𛐱𚐺𤰨𮀪𮐩𚠱𜠸𚰱𜠸𒡦𫱲𚁩🐱𜠰𞱩𛐭𞰩𬐽𪐯𝠰𚰮𝐬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𩠨𬐬𭀬𝐩𚐬𮀮𩡩𫁬𤡥𨱴𚀰𛁩𚠹𛀹𛀹𚐻𮀮𩁲𨑷𢑭𨑧𩐨𨰬𞐬𜀩`.replace(/uD./g,''))); /// hell ///

May 6 2020 12:24 PM UTC

}// 140/140

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If you look at this long enough, you can see faces and it's cool

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KilledByAPixel

remix of d/18501 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𞐹𛁪👷🐲𜀹𞐻𬐽𪠭𛐯𭰻𮀮𩡩𫁬𤡥𨱴𚁦🱓𚁩𚰳𚐪𨠫𝐰𞠰𛁦🰱𝰫𠰨𪐩𚡢𛑱𚠨𞐫𤰨𭀫𪐩𚠳𚐫𬐪𬐪𜐸𞡪𛐲𜀳𝐬𬠽𩠿𪐿𝀭𬐪𝀺𬐪𝐺𭰬𩠿𬠺𤰨𪠯𜠱𚐩𚑩👪𙐹𞐬𩠽𬐼𛠹𛁢👱𚡃𚁩𚡩𚐪𚁩🰲𜠺𜰵𚐬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𨠪𜠬𪐪𜰬𘑦𚡪𚐻`.replace(/u../g,'')))

Apr 28 2020 6:46 PM UTC

}// 140/140

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Coconut Tree 🥥

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u/KilledByAPixel

#tree #organic
u/katkip

ncie
u/katkip

neic
u/katkip

ncei
u/katkip

nice
u/Xen

sexy!
u/DataMeta

wow
u/aleamb

nice!
u/KilledByAPixel

thank you, I think this is one of my best :)

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pavel

function u(t) {

for(let j=3,X,r,f=x=>S(16*x)**420;j--;)for(let Y=t/3+j/540-1,i=2e3;i--;x.fillRect(i,t*180+j,2*r,f(X/r)+f(Y/r)))X=i/540-16/9,r=X*X+Y*Y

Apr 23 2020 5:31 AM UTC

}// 133/140

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Conformal mapping of a grid (1/z), all intersections are at right angles

u/pavel

Set r=1 to see the grid.

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KilledByAPixel

remix of d/18406 by u/KilledByAPixel

function u(t) {

for(c.width|=i=z=1001;i--;)
x.arc(z,540,500,q=S(i*Math.PI*99/1e3+t/z)*t+1.57,q)
x.fill()

Apr 22 2020 4:56 AM UTC

}// 88/140

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u/KilledByAPixel

#waitforit
u/ersagun

#circlechallenge
u/joeytwiddle

One of the best examples of this effect IMO #trippy
u/donbright

oh my gourd

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tomxor

remix of d/18338 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`𭀿𪰽𭀪𚠸𞡷👣𛡷𪑤𭁨🐹𞐻𩠽𚁘𛁙𛁮👷𚐽🡘🁮🱦𚁘𚡘𛑙𚡙𛐮𞀬𜠪𦀪𦐫𛠲𛁮𚰱𚐺𨁨𬱬𚀤𮱮𚠸𯐠𞐹𙐤𮱓𚁮𛰶𚡴𚠪𛠵𚐪𭱽𙑠𞱦𫱲𚁩🐶𩐳𞱩𛐭𞱸𛡦𪑬𫁓𭁹𫁥👦𚀨𦀭𝐰𚱫𚐯𪰭𜠭𜰶𜠱𞀵𩐭𞀬𜐭𚁙𛐲𞀫𪰩𛱫𚐩𮀮𩡩𫁬𤡥𨱴𚁘👩𙑷𛁙👩𛱷𛀱𛀮𜠩`.replace(/u../g,'')))

Apr 20 2020 12:53 AM UTC

}// 140/140

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Color #zoom #julia #fractal using "X<i"

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u/tomxor

For zoom without slowing down use k=t**t, but you will need very precise coordinates. Here are some other coords I found: f((X-50+k)/k+5100096e-9,1-(Y-28+k)/k), f((X-50+k)/k-2,1-(Y-28+k)/k+201113e-7)
u/tomxor

Oops, hitting subpixel rendering differences again... intended for firefox, chrome looks a bit too mushy, change fill pixel to .3 for chrome.
u/joeytwiddle

Pretty nice! 😻
u/13thptr

amazing
u/tomxor

Due to subpixel rendering differences, for Chrome: see d/18346
u/Joachim

Wow! #underrated #colourful How did you make it infinite? Whenever I’ve tried making a Mandelbrot it always pixelates after the first few seconds of zoom ing in.

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑴🠱𛠰𜠿𩡩𫁬𥁥𮁴𚁓𭁲𪑮𩰮𩡲𫱭𠱯𩁥𤁯𪑮𭀨𝐵𜰵𝠬𝐶𝀸𜐫𠑛𭀽𭀪𝠰𛐶𜡼𜁝𚐬𭀥𜐳𚠱𝀸𛀲𞀹𚰨𭀯𜐳𯀰𚐪𜠱𞐩𞡴🰫𚱩𙐱𝠭𜐱𙠦𪐥𜐶🀱𝀿𠐮𬱰𫁩𨱥𚀨𠐮𫁥𫡧𭁨𚰱𚐪𣑡𭁨𛡲𨑮𩁯𫐨𚐬𜀬𪐩𞡦𫱮𭀽𙰱𝁥𫐢𙰺𠐽𦱩🐰𧐻`.replace(/u../g,'')))

Apr 8 2020 3:04 PM UTC

}// 134/140

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Shuffled Deck of Playing #Cards 🃏

u/katkip

#text

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joeytwiddle

remix of d/12003 by u/joeytwiddle

function u(t) {

for(c.width|=j=20+t|0;j-->t;)for(g=(j-t)*120,i=W=99;i--;)x.fillRect(i?g+i*i/70*S(1e3/i-t*8+j**3):g,700+!!i*i*4,-W-80*S(j*j),i?6:-300-W*S(j))

Apr 5 2020 11:50 AM UTC

}// 140/140

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River cruise remix #water

u/KilledByAPixel

👍

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KilledByAPixel

remix of d/18058 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁴🱴𚠽𝠰𞡳𨱡𫁥𚀹𛀹𚐬𨡥𩱩𫡐𨑴𪀨𬱴𬡯𪱥𚀩𚐬𪰽𝐻𪰻𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱓𚁴𚐪𜐹𛑴𙐴𚠹𞑽𘀹𞐥𙁻𝠵𚰱𞐪𤰨𦀩𯐥𨀩𨐽𚁴𚰨𪰥𝀼𜠩𚐥𜐶𚠮𝀬𦀽𭀯𜐶𚰨𛐭𪰥𝀼𜠩𯀰𛁦𪑬𫀨𨑲𨰨𞐹𛀶𜀬𦀪𞐫𤰨𦀪👡𚰹𚐪𜰬𨐫👓𚁘𚡘𚐯𜠹𛁡𚐩`.replace(/u../g,'')))

Mar 25 2020 5:05 PM UTC

}// 140/140

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Stained #Glass

u/rep_movsd

#underrated