Dweets awesomed by u/sigveseb

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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katkip

function u(t) {

t||(a=b=1);
for(i=999;i--;){
x.fillRect(a*600-100,b*490-299,2,2)
a+=b*b/2000-a/999-C(t)/9999
b-=a*a/2000-b/1222+S(a-b)/3000*S(t+b)+t/99999
}

Apr 9 2020 11:33 AM UTC

}// 140/140

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testing something

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KilledByAPixel

function u(t) {

c.style.filter='sepia()invert('
r=Math.random
A=X=r()*4-2
B=Y=r()*2-1
for(q=i=540;i--;x.fillRect(X*q+1200,Y*q+q,1,1))X=X*X-Y*Y+(Y=2*Y*X+B,A)

Apr 9 2020 4:39 AM UTC

}// 140/140

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Mandelbrot Galaxy #Fractal #SlowDraw

Show more comments…
u/KilledByAPixel

GIF: https://twitter.com/KilledByAPixel/status/12…
u/KilledByAPixel

#Mandelbrot #WaitForIt
u/joeytwiddle

Very pretty! Mandelbrot in space
u/iverjo

Impressive
u/tomxor

Incredible!
u/aleamb

beautiful!!
u/Xen

sexy!
u/DataMeta

coool!
u/KilledByAPixel

thank you 😊
u/KilledByAPixel

#buddhabrot
u/Qwitter

Nice to see

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jamesjnadeau

function u(t) {

c.width=1920
x.font='150px serif'
x.translate(960,540)
x.rotate((48*t)*Math.PI/180)
x.fillText(C(t/60).toString(10).substr(1,20),0,0)

Apr 9 2020 1:48 AM UTC

}// 134/140

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BriSeven

remix of d/18189 by u/BriSeven

function u(t) {

c.width*=1
for(i=t*20|0;i--;x.fillStyle=R(i/t*20))
x.fillRect(500+((m=i%2?65535:i/2)&(C(o=i/12.7/t+t)*t)+t)*(p=500/t),(m&(S(o)*t)+t)*p,p,p)

Apr 9 2020 1:35 AM UTC

}// 139/140

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fire brAND

u/BriSeven

plot a short segment of a circular arc, and also plot the coordinates after binary AND.

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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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BriSeven

remix of d/18168 by u/BriSeven

function u(t) {

c.width*=1
for(i=0;i<512;i++)
x.fillStyle=R(i,S(n=i/t+t)*200,200-C(n)*200)
,x.fillRect(i*5,500+(i%2*2-1)*(i&S(n+i%2*n/2)*t+t)*5,10,15)

Apr 8 2020 1:41 PM UTC

}// 134/140

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spiral spires softly spinning

u/BriSeven

try deleting the first line
u/Xen

nice!

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camel_case

function u(t) {

S=z=>Math.round(Math.random()*z)*30
x.fillStyle=R(S(9),S(9),S(9))
x.fillRect(S(64),S(36),60+S(4),60+S(6))

Apr 8 2020 9:40 AM UTC

}// 105/140

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100% not an original idea - More blocky

u/joeytwiddle

Little remix: for(i=1e3;i--;){S=z=>Math.random()*z*90|0,x.fillStyle='hsla('+S(4)+',99%,63%,.01)',x.fillRect(S(64),S(36),60+S(8),60+S(6))}

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camel_case

function u(t) {

S=z=>Math.random()*z*100
x.fillStyle=R(S(3),S(3),S(3))
x.fillRect(S(19),S(11),S(2),S(3))

Apr 8 2020 9:10 AM UTC

}// 88/140

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100% not an original idea

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rep_movsd

function u(t) {

eval(unescape(escape`𭀼𛠱𙠦𚁌🐹𝐩𒡦𫱲𚁡🐶𝐵𜰷𛁸𛡦𪑬𫁒𩑣𭀨𮀮𩡩𫁬𤱴𮑬𩐽𜀬𜀬𨰮𭱩𩁴𪀽𭰽𜐹𜠰𛀱𜀸𜀩𛁩🐹𜀻𪐭𛐻𣀽𣀪𝰵𙑡𚑦𫱲𚁲👫👚🐲𝐵𞱲𛐭𞱫𚰽𜐮𝐩𮀮𩡩𫁬𤱴𮑬𩐽𤠨𦠬𬠬𠰨𭀩𚡚𛁲𛱷𚐬𮀮𩡩𫁬𤡥𨱴𚀹𝠰𚱫𚡓𚁍👌𚱲𛰷𝐩𛀵𝀰𚱫𚡃𚁍𚐬𤐽𬠯𝠬𤐩`.replace(/u../g,'')))

Apr 7 2020 7:15 PM UTC

}// 140/140

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Black hole

u/katkip

this is very heavy but stylish! awesome!
u/rep_movsd

It slows to 5 FPS on my system - it draws 23000 rectangles per frame - runs well on my test webpage - I guess the scaling causes issues
u/sigveseb

Pretty!
u/rep_movsd

#space #blackhole

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veubeke

function u(t) {

x.globalCompositeOperation='hue'
for(i=t<4&&255;i--;x.fill(x.arc(_=i*199%1920,_*_%1080,t*50,0,7)))x.beginPath(x.fillStyle=R(1+i))

Apr 7 2020 12:02 PM UTC

}// 129/140

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#voronoi diagram

u/veubeke

Blatantly stolen from u/p01 https://twitter.com/p01/status/1246523062696…
u/veubeke

PS: I deleted an older version because of performance issues
u/katkip

WOW!

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