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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.

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Current theme challenge: #Food

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katkip

function u(t) {

eval(unescape(escape`𩠽𚁸𛁹𛁮🐹𚐽🡮🠰🱦𚀲𚡸𚡹𛑓𚁸𚐪𠰨𜰪𮐩𛁸𚡸𚱹𚡹𚰮𜰬𫠭𜐩𞡓𚁸𚡹𚐾𜀊𬐽𮀽🡍𨑴𪀮𬡡𫡤𫱭𚀩𛐮𝐻𩡯𬠨𪐽𞐹𞐻𪐭𛐻𚑦𚁘👱𚀩𛁙👱𚀩𚐿𮀮𩡩𫁬𤡥𨱴𚁘𚠱𩐳𚰹𝠰𛁙𚠱𩐳𚰵𝀰𛀴𛀴𚐺𜀠`.replace(/uD./g,``)))

Jun 19 2020 1:16 PM UTC

}// 119/140

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rocket f=(x,y,n=9)=>n>0?f(2*x*y-S(x)*C(3*y),x*x+y*y+.3,n-1):S(x*y)>0 q=x=>Math.random()-.5;for(i=999;i--;)f(X=q(),Y=q())?x.fillRect(X*1e3+960,Y*1e3+540,4,4):0

u/Xen

nice!
u/aleamb

yeah!
u/sigveseb

Cool!

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katkip

remix of d/19177 by u/katkip

function u(t) {

eval(unescape(escape`𩠽𚁸𛁹𛁮🐹𚐽🡮🠰🱦𚁹𛑓𚁸𚱹𛰹𚱴𚐬𮀭𠰨𮐭𮀯𞐭𭀩𛁮𛐲𛑃𚁴𛰳𚐩𞠨𤰨𮀩𚱃𚁹𚐩𚠱𜠸𚰱𜠸𒡦𫱲𚁩🐳𞀵𞱩𛐭𞰩𮀮𩡩𫁬𤱴𮑬𩐽𤠨𩠨𪐯𞐬𭀪𝐩𛁦𚁩𛰹𛁴𚠵𛀸𚐬𩠨𪐯𞐬𭀪𝐬𝰩𚐬𮀮𩡩𫁬𤡥𨱴𚁩𚠵𛀰𛀵𛀵𚐻𮀮𩁲𨑷𢑭𨑧𩐨𨰬𜀬𝐩`.replace(/uD./g,'')))

Jun 17 2020 9:27 AM UTC

}// 135/140

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glitched fluid

u/tomxor

Now that's some funky shit!
u/katkip

hehe, thanks

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katkip

remix of d/19176 by u/katkip

function u(t) {

f=(x,y)=>S(y/4)*S(x/4)<0?S(x*4):C(y*4)
for(i=385;i--;)x.fillStyle=R(z=f(i/4,t*15)*120+128,z,z),x.fillRect(i*5,0,5,5)
x.drawImage(c,0,5)

Jun 17 2020 8:06 AM UTC

}// 135/140

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Anechoic chamber #katkweet

u/tomxor

WHAAAT? 👂

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New_Core

function u(t) {

for(j=9;j--;)for(i=(b=99-j*9);i--;)x.fillStyle=`hsl(${b*4},99%,${99*S(i/b*3.3)}%)`,x.fillRect(0,440+i*2+5*b*S(t-j/1.8),1920,3)

Jun 8 2020 3:10 PM UTC

}// 126/140

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u/sigveseb

Old school cool
u/UEZ

#raster #bars #c64

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ntsutae

function u(t) {

t*=60,t||(c.width=w=640)
for(x.drawImage(c,0,1),i=w;a=t+i^t-i,g=Math.abs(t+a^t-a)%497<255?w:0,--i;)
x.fillStyle=R(g,g,g),x.fillRect(i,0,1,1)

Jun 7 2020 5:42 PM UTC

}// 140/140

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u/katkip

amazing

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Annastasia

function u(t) {

(F=(X,Y,L)=>{x.fillStyle=R(C=L*32,C,C);x.beginPath();x.arc(X,500,Y,0,2*Math.PI);x.fill();L>1&&F(X-Y/2,Y/2,L-1)+F(X+Y/2,Y/2,L-1)})(950,950,8)

Jun 4 2020 3:43 AM UTC

}// 140/140

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drawing circles

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katkip

remix of d/15133 by u/KilledByAPixel

function u(t) {

for(i=1024;i--;)"ﾇ縇縇繷繷繷繧繇缇﻾砇ﹾ烧ﹼ懧︼揧䟧쿧쿧쿧쿧쿧쿧쟧ﰇ＇쿿��".charCodeAt(i/16)&1<<i%16&&x.fillRect(i%C*C,i&-31,C=32,C)

Jun 3 2020 5:45 PM UTC

}// 139/140

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u/13thptr

#blacklivesmatter

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rodrigo.siqueira

function u(t) {

!t&&(c.outerHTML=`<b contenteditable onInput=localStorage.T=this.innerHTML>${localStorage.T||"Text editor. Type here, content is saved."}`)

Jun 3 2020 4:26 PM UTC

}// 139/140

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Text editor with auto-save. Type and reload (or come back later). Your edits are stored in this Dweet.

u/rodrigo.siqueira

Shortcuts: control-b (bold), control-i (italic), control-u (underline). You can even paste html in this Dweet.
u/katkip

wow
u/rafroller

So cool ! Nice use of localStorage :)
u/sigveseb

Cool, didn't know that you could do bold, italics etc like that in contenteditable

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AbsoluteBlank

remix of d/18994 by u/Xen

function u(t) {

for(c.width|=i=29;i--;x.fillStyle=R(C=i*9,t,t*C,.4),x.beginPath(x.fill(x.arc(0,5,C,0,9))))x.setTransform(10,0,0,10,900+C*T(t*2),500+C*T(t))

May 30 2020 9:55 PM UTC

}// 139/140

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Tunnel visions

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rodrigo.siqueira

remix of d/18962 by u/rodrigo.siqueira

function u(t) {

for(let i=2e3,f=(X,Y,n=9)=>Y?f(X*X-Y*Y,2*X*Y+1,n+.18):x.fillStyle=`hsl(${n*28},80%,${80*S(n)}%`;i--;x.fillRect(i,t*90,1,99))f(i/490-2,1-t/6)

May 27 2020 3:53 PM UTC

}// 140/140

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Fractal lightning #Julia #fractal for c = 0 + 0.18i

u/katkip

satisfying