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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Current theme challenge: #Food

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Odog8

function u(t) {

t?e+=[-1,c.width=S=99,1,-S,d+=(a[e]^=1)?1:3][d%4]:a=Array(d=e=2e3)
for(i in a)x.fillRect(i%S,i/S,1,a[i])

Nov 21 2023 4:24 AM UTC

}// 104/140

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Langton's ant in 2 lines

u/Xen

nicely done!

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rodrigo.siqueira

remix of d/28860 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(a=b=t,i=8e4;i--;b-=b/5+C(a*2.5)*2,a+=(i/b&i%2)*3-b*S(a*2)/8-a*a/4.3)x.fillRect(b*390+1e3,a*2e3+b*40-300,.1,t<1)

Nov 19 2023 5:35 PM UTC

}// 140/140

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Multifern fractal #plant #fern

u/DataMeta

very nice
u/lionleaf

Amazing!

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Blacklink

function u(t) {

c.width=1920
for(i=40;i>5;i-=0.005){x.fillStyle=R(20*i,0,0)
x.fillRect((9*(i+60)*S(t+i)+30*(i+20))%2000,((300+50*i)*t+99*i)%900+50*i,9,99)
}

Nov 7 2023 11:00 AM UTC

}// 140/140

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Colored ribbons

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sissinnguaq

remix of d/28793 by u/AArt1256

function u(t) {

for(X=Y=t,i=1e3;i--;Y=(i/Y&&1)+(Y-X)*.99,X+=Y)x.fillRect(X*95+850,Y*106+550,.9/t,t/-4);c.style.filter='invert()'

Nov 6 2023 1:45 PM UTC

}// 112/140

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u/magna

Pretty!

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magna

function u(t) {

eval(unescape(escape`󩭯󬬨󪜽󝌰󜌻󪜭󛜻󮌮󩭩󫍬󚍮󩝷󘍐󨝴󪌲󡌨󙽍󜌠󜭌󜜮󝼠󜝌󜜮󝼭󜝌󜌭󜭌󛜱󛬷󛜱󣌭󜜮󝼠󜝚󙼩󚜩󦌽󪜥󜬵󛍙󟝩󛼲󝝼󜌬󮌮󬽥󭍔󬭡󫭳󩭯󬭭󚌲󝌬󜌬󜌬󜬴󛌨󦌪󜬫󦜥󜬩󚬴󜌬󦜪󝼱󚜬󮌮󩭩󫍬󤽴󮝬󩜽󤬨󜌬󞜰󛜨󣝡󭍨󛭨󮝰󫽴󚍘󛜱󜬪󚍃󚍴󚜫󜜩󛍙󛜸󚬨󤼨󭌩󚼱󚜩󚜪󞜩`.replace(/u../g,'')))

Oct 27 2023 4:39 AM UTC

}// 140/140

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u/Xen

love the style!
u/magna

U/Xena lots of room to remix! I just wanted to lay a hex grid foundation and see where we can go with this...
u/magna

Damn. Typo. * u/Xen

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rodrigo.siqueira

remix of d/28750 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`挮獴祬攮晩汴敲㵠獥灩愨⥩湶敲琨⥠ഊ景爨愽戽琬椽㥥㐻椭ⴻ戽䌨愪㐩⭢⨮㠬愫㴨椯愦椥㈩⨴⭢⩓⡡⼲⤯㌭愪愯㐮㔭愪戯㌰⥸⹦楬汒散琨琼ㄿ愪ㄱ攳ⴲ㜰〺椬琼ㄿ截㠸〭ㄳ㤺吨椪愩⨲攳ⱴ㰱㼮ㄺ琭ㄬ琼㈩`.replace(/u([^D].)/g,'$1%')))

Oct 26 2023 2:15 AM UTC

}// 140/140

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Blue Nebula #galaxy

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rodrigo.siqueira

remix of d/28597 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia()invert(`
for(a=b=t,i=3e4;i--;a+=(r=i*t/b&1)/6+b*S(a*3.3+r/3)/8,b+=C(a*5-r)-a*b/4)x.fillRect(a*3e3-2450,b*470+25,.1,1)

Oct 3 2023 6:06 PM UTC

}// 140/140

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Icy crystal #fractal

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danny@hille.dk

function u(t) {

t||(x.scale(99,99,x.translate(960,190)),
x.fill(p=new Path2D("M"+[...'0020516254564726390902454203061604'])),x.scale(-1,1),x.fill(p))

Oct 1 2023 1:05 PM UTC

}// 133/140

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getting ready for #halloween

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deobfuscate

function u(t) {

c.width+=0
x.font='5em"'
for(i=1e3;i--;)x.fillText(`${i>1?'else ':''}if(number==${i})return ${i%2==0?'true':'false'};`,100,100*i+t*-200+500)

Sep 26 2023 2:21 PM UTC

}// 140/140

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A very reliable and non-laggy method to check for even numbers.

Show more comments…
u/cantelope

is 1.5 even or odd?
u/tomxor

Technically: neither, because it's not a natural number. Practically: depends on rounding method, likely even. For fun: if you ignore the exponent then it's odd i.e 1.5=15=odd
u/Joachim

Lost 10 chars —> x.font='5em"' for(c.width=i=1e3;i--;)x.fillText(${i?'else ':''}if(number==${i})return ${i%2?'false':'true'};,99,99*i+t*-200+500)
u/Joachim

report Lost 10 chars —> x.font='5em"' for(c.width=i=1e3;i--;)x.fillText(${i?'else ':''}if(number==${i})return ${i%2?'false':'true'};,99,99*i+t*-200+500)
u/Joachim

Ah well. You’ve basically just got to add the backslashes back in for it to work.
u/deobfuscate

119 chars, add ticks for(i=c.width=1e3;i--;x.font='3em"')x.fillText(${i?'else ':''}if(number==${i})return ${i%2==0};,100,100*i+t*-200+500)
u/ximavus

yea the most effiecent also

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rodrigo.siqueira

remix of d/28553 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia()invert(`
for(a=b=t,i=5e4;i--;a+=(r=i*t/b&1)/5+b*S(a*3)/9,b+=C(a*6-r)-a*b/9)x.fillRect(3200-a*2e3,b*420-2e3,.1,1)

Sep 26 2023 11:56 AM UTC

}// 135/140

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Ancient Weavers of Time

u/cantelope

#damson
u/rodrigo.siqueira

Anciens tisserands du temps