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.

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khalkeus

function u(t) {

w=960;h=540;c.width=w*2
for(i=0;i<99;i++){for(j=0;j<99;j++){
x.fillRect(S(i-j)*C(t+j)*w+w,S(i+j)*S(t+j)*h+h,5,2)}}

Feb 24 2017 10:38 PM UTC

}// 114/140

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u/Purpzie

Shaved off 12 characters: for(c.width|=a=0;a<9801;)x.fillRect(S((i=0|a++/99)-(j=a%99))*C(b=t+j)*960+960,S(i+j)*S(b)*540+540,5,2)

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fson

function u(t) {

X=960;Y=540;c.width+=0;x.lineWidth=23
x.arc(X,Y,50,0,7);x.fill()
for(i=t;i<t+4;i++)x.beginPath(),x.ellipse(X,Y,250,99,i*1.04,0,7),x.stroke()

Feb 23 2017 1:31 PM UTC

}// 140/140

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u/iverjo

Clean
u/Kalanchoe

so perfect!

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jasonbdly

function u(t) {

d=x.createImageData(w=c.width=256,144)
d.data.map((v,i,a)=>{a[i]=(i/.01%w-128)**2*C(t)**2-(i/2/w+32)**1.5*S(t)*S(i)});x.putImageData(d,0,0);

Feb 23 2017 6:31 AM UTC

}// 140/140

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recursive

remix of d/887 by u/New_Core

function u(t) {

t||((I=new Image()).src="https://is.gd/aYk0fZ")
x.fillRect(0,0,z=5e5,z)
for(i=960;i--;)x.drawImage(I,0,t*60-z/(250+i),w=640,1,w-i,i,w+i*2,1)

Feb 22 2017 6:42 PM UTC

}// 140/140

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Got a black backgrounhd

u/lionleaf

Awesome! Give it some time to start ;)
u/New_Core

nice =)
u/ximavus

Broken now :|

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sigveseb

function u(t) {

c.width=512;x.beginPath();x.translate(256,128);(a=b=>{b&&a(b-1);x.rotate(1+S(t/99));x.lineTo(C(t+b/90)*b/8+b/4,9+S(t)*99)})(512);x.stroke();

Jul 21 2016 10:40 PM UTC

}// 140/140

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u/iverjo

Cool! If you had to give this a name, what would it be?
u/sigveseb

Dweety McDweetface
u/iverjo

lol
u/iverjo

Swirly McSwirlface

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iverjo

function u(t) {

c.width=198;X=Y=99,a=0,d=9;for(i=0;i++<30;)x.beginPath(),x.moveTo(X,Y),x.lineTo(X-=d*S(a),Y-=d*C(a)),d*=.9,x.stroke(),a+=S(2*t-i/12)/3

Jan 8 2016 1:22 AM UTC

}// 134/140

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u/stiaje

Nice blurring!
u/iverjo

The blur wasn't meant as a part of the effect. I believe it was done as a compromise to save a few bytes at a point during the process of creating the dweet
u/katkip

#plant

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UEZ

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝧󟜨󫌬󪼬󪬽󜼩󟜾󮽦󫽲󚍴󬭡󫭳󫍡󭍥󚌰󛌭󫌩󛍦󪝬󫍒󩝣󭌨󜌬󜌬󪽼󯌨󩭩󫍬󤽴󮝬󩜽󘬣󞜰󝬢󛌱󚜬󫌩󞽪󛜭󚭫󞽲󩝳󭍯󬭥󚌩󚝧󚍬󚬨󤼨󫌫󪬫󭌩󚼲󚜯󜼬󪼭󜜬󬽡󭭥󚌩󛍲󫽴󨝴󩜨󠼨󫌫󪬫󭌩󛼲󚜩󯜬󭌥󝜾󛬰󜝼󯍧󚌲󜜰󛌹󛍴󬭡󫭳󫍡󭍥󚌹󝬰󛌱󜌸󜌬󬭥󬽥󭌨󚜩󚜻`.replace(/u../g,'')))

Nov 2 2026 8:48 PM UTC

}// 140/140

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Classical #tree generator

u/cantelope

ooooh
u/cantelope

#Lsystem

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UEZ

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍣󛭷󪝤󭍨󯌽󜌬󩭯󫭴󟜢󜭰󮌠󠝲󪝡󫌢󛍳󪍡󩍯󭽂󫍵󬬽󞜹󛍳󪍡󩍯󭽃󫽬󫽲󟜢󘼰󜌰󘬬󪜽󝼻󪜭󛜻󩭩󫍬󥍥󮍴󚌢󩍷󪝴󭍥󬬢󦽩󧜬󜌬󞌩󚝳󩝴󥍲󨝮󬽦󫽲󫜨󞜹󛌰󛌰󛌹󞜬󞜶󜌬󜜵󜌩󛍲󫽴󨝴󩜨󤼨󪜯󜬭󭌩󚜬󩭩󫍬󤭥󨽴󚌭󜜬󜌬󜼬󞜩󛍣󫍥󨝲󤭥󨽴󚌭󜜬󜌬󜼬󞜩`.replace(/u../g,'')))

Oct 29 2026 1:36 PM UTC

}// 140/140

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Dwitter Card Swing

u/cantelope

#rettiwd

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rodrigo.siqueira

remix of d/36551 by u/UEZ

function u(t) {

c.width|=0
for(i=6e4;i--;x.fillRect(X*6,Y*6,k=S(g)*7,k))X=i%320,Y=i/320|0,p=X/180-.9,q=Y/180-.5,g=Math.atan2((p*C(t+X/99)-q),p*p+q*q)*40-t*8

Oct 23 2026 2:07 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/36323 by u/rodrigo.siqueira

function u(t) {

for(m=8e3;m--;x.stroke())i=m&95,x.beginPath(x.strokeStyle=`hsl(${i/2},99%,${i*C(.35/t)}%`),x.arc(S(i)*m+960,C(i*m)*m+542,t**-1.8,0,2)

Oct 23 2026 1:49 PM UTC

}// 133/140

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Threads and Particles

u/Axioplase

Looks like mushrooms or mold of sorts on bark. Cool!
u/magna

Or spider eggs
u/cantelope

body lice eggs!