Top dweets of all time

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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rodrigo.siqueira

remix of d/24405 by u/rodrigo.siqueira

function u(t) {

for(m=1e4;m--;x.fillRect(960*X,540*Y,i/4,-m/144/Y))X=1-S(m+t/9),Y=1+C(m*m+t/8),x.fillStyle=R(i=m%(200),i*=Y*X/m+Y,i-=Y+C(t+X)*99,a=S(Y)**2)

Nov 29 2021 9:13 PM UTC

}// 139/140

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Dancing fragments

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anotherkitten

function u(t) {

c.width|=0
x.translate(960,540)
for(i=0;i++<99;x.rotate(Math.PI/4))for(j=4;j--;x.rotate(Math.PI/2))x.fillRect(0,N=1.413**(i-t%4),j&1?-N:N,N)

Nov 29 2021 5:38 PM UTC

}// 140/140

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pentagon spiral

u/magna

#perfectloop

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Cloud

remix of d/24377 by u/Cloud

function u(t) {

c.width|=0
x.lineWidth=9
for(i=0;i++<100;){
a=5-(i*.05+t/2)%5
s=20/a
x.strokeRect(960+a-s,540-(C(i/4)*60+S(t*2.5-1)*60)/a-s,s*2,s*2)
}

Nov 25 2021 1:44 PM UTC

}// 134/140

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#tonel

u/andrea270872

nice. I get a roller coaster vibe :)
u/vain

cool trip. reminds me of some amiga demos.

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taupelink

remix of d/24361 by u/taupelink

function u(t) {

for(m=2e3;X=1+S(m),Y=S(m*m--);x.fillRect(1e3*X,540*(1+Y),i/t,q/a))a=t**.5,i=m%256,q=m/8,x.fillStyle=R(i*=C(Y/6+t)/t,q*=S(X/2+t)/a,q-i,.05)

Nov 21 2021 9:16 AM UTC

}// 138/140

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d/24363

u/taupelink

#waitforit
u/taupelink

I really just kind of stumbled on this effect. I started out trying to animate d/24361, but then I forgot to clear the screen with each loop execution, and I noticed shadows forming...
u/taupelink

...and it turns out there's something about the way that X=1+S(m),Y=S(m*m--) do NOT function as pseudo-random formulas in this dweet. If you replace the X formula with X=2*Math.random() you just get noise....
u/taupelink

Maybe what's happening is that locally, the width and height formulas act like piecewise-continuous trigonometric functions. Hence the curvy-yet-segmented little shapes.

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Jabo

remix of d/24283 by u/magna

function u(t) {

c.width=f=255,k=40*(t+8)
for(i=f;i--;)for(j=f;j--;)x.fillRect(i,j,1,1),d=k*t+i&j,d=T(d/C(t/60+d)),x.fillStyle=R(0,0,0,d)

Nov 18 2021 10:41 PM UTC

}// 121/140

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KilledByAPixel

remix of d/24270 by u/pavel

function u(t) {

for(X=233,Y=0,i=2e4;i--;x.fillRect(960+X,540+Y,2,2))
X+=Y/2,Y-=Math.floor(1.38197*X),X+=Y/2

Nov 2 2021 3:06 AM UTC

}// 91/140

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Koch Snowflakes ❄️

u/KilledByAPixel

https://nbickford.wordpress.com/2011/04/03/t…
u/Joachim

so small!

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ciaccodavide

remix of d/24208 by u/ciaccodavide

function u(t) {

for(c.width=w=64,i=0;i<w*w;i++)x.fillRect(X=i%w,y=~~(i/w),(.7*X*(k='nnnnn22nnncHTTT222222TTTHcnnn22nnnnn'.charCodeAt(y))+t-X**2+k*.01)%2,1)

Oct 23 2021 8:16 AM UTC

}// 139/140

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u/rep_movsd

This is cool
u/Joachim

I only just realised you can change the pattern from the string! #pattern #animated

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magna

remix of d/24198 by u/magna

function u(t) {

eval(unescape(escape`󬬽󣝡󭍨󛭲󨝮󩍯󫜊󩜽󬬨󩬽󬬨󨜽󨬽󜌩󚬲󛬲󝌩󚬴󛍘󟝥󛜲󛬸󛍙󟝦󛜱󛬱󜬊󩭯󬬨󪬽󞜹󞜻󨜪󨜫󨬪󨬼󟜴󙬦󪬭󛜻󬼽󞜹󞜯󭌩󦽡󛍢󧜽󦽡󚭡󛝢󚭢󚽘󛌲󚭡󚭢󚽙󧜊󮌮󩭩󫍬󤽴󮝬󩜽󤬨󪬩󛍸󛭦󪝬󫍒󩝣󭌨󩜪󝌸󜌬󩬪󝌸󜬬󚼫󬼬󬼩`.replace(/u../g,'')))

Oct 22 2021 7:27 PM UTC

}// 123/140

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#slowrender #mandelbrot

u/magna

Uncompressed: r=Math.random e=r(f=r(a=b=0)*2.24)*4,X=e-2.8,Y=f-1.12 for(j=999;a*a+b*b<=4&&j--;s=999/t)[a,b]=[a*a-b*b+X,2*a*b+Y] x.fillStyle=R(j),x.fillRect(e*480,f*482,++s,s)
u/magna

Very shitty and slow :D
u/andrea270872

I can feel the struggle. Very cool.

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KilledByAPixel

remix of d/24066 by u/KilledByAPixel

function u(t) {

with(x)x.f=fillText,font='9in"',f('😶',367,844),font='2.5in"',f('👁️',590,520),f('👁️',1e3,520),f('👄',795,840),f('👃',795,610)

Oct 20 2021 5:20 PM UTC

}// 122/140

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Smiley HD 🙂

u/pavel

Mr. Potatoe-smiley
u/KilledByAPixel

🥔
u/rep_movsd

It looks like the medieval depictions of the sun/moon
u/sigveseb

lol

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anotherkitten

function u(t) {

H="👁️"
eval(unescape(escape`󨼮󭽩󩍴󪌽󜜹󜬰󒭸󛭳󨽡󫍥󚌱󜌬󜜰󚜊󩭯󬬨󪜽󜼰󞽩󛜭󞼩󮌮󩭩󫍬󤽴󮝬󩜽󤬨󥬽󪜪󞜬󥬬󥬩󛍸󛭦󪝬󫌨󬌽󫭥󭼠󤍡󭍨󜭄󛍰󛭡󬭣󚌹󝬫󪜪󤼨󭌫󪜯󞜩󚬲󛌵󝌫󪜪󠼨󭌭󤼨󭌯󞜩󚽩󛼷󚜪󝌬󪜫󝼬󜌬󞌩󚜊󮌮󩭩󫍬󥍥󮍴󚍈󛌸󞜬󝜷󛬴󚜻`.replace(/u../g,'')))

Oct 19 2021 5:31 PM UTC

}// 132/140

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eyestalk