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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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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baon

remix of d/28929 by u/baon

function u(t) {

r=_=>Math.random()*256>>0
for(k=0;k<2e3;k++)i=r(),j=r(),a=1,
x.fillStyle=R(i&j,i^j,255,a),x.fillRect(i*4+450,j*4,4,4)

Nov 23 2023 11:00 AM UTC

}// 117/140

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384.cz

remix of d/28918 by u/384.cz

function u(t) {

t>1&&(x.fillStyle="#07d")
x.fillRect(0,720-360*t,2e3,9)

Nov 22 2023 4:56 PM UTC

}// 55/140

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Estonia #flag

u/magna

2 chars shorter: x.fillStyle=t>1&&"#07d"
u/384.cz

thank you, magna
u/BriSeven

Oh no, politics on dwitter. HELL, HELL I TELLS YOU

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baon

remix of d/28899 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = 99%(i%j) ,x.fillStyle=R(a,a,a), x.fillRect(i*4+450, j*4, 4, 4)

Nov 22 2023 10:43 AM UTC

}// 120/140

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mod %

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baon

remix of d/28896 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = (i*j)**6 ,x.fillStyle=R(a,a,a,a), x.fillRect(i*4+450, j*4, 4, 4)

Nov 22 2023 10:37 AM UTC

}// 122/140

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Xen

remix of d/28861 by u/siya.sharma

function u(t) {

x.globalCompositeOperation="xor"
c.style.filter=`invert(`
x.font="40em'"
x.fillText('🌈',C(t**t)*2e3,S(t*t)*1e3)

Nov 17 2023 2:23 PM UTC

}// 111/140

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u/lewdev

This reminds me of "The more you know"

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384.cz

function u(t) {

c.width|=0
x.lineWidth=9
for(i=2e4;i--;)x.lineTo(((I=+new Date/8)&i)%2e3,(I/2&i)%2e3)
x.stroke()

Nov 17 2023 8:13 AM UTC

}// 96/140

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Synchronized Patterns (run on multiple devices and see)

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timothytomato

function u(t) {

c.width=1080
for(i=0;i<200;i++)
x.fillRect(10*i,300-(S(t+i)*100),20,10)

Nov 2 2023 11:16 PM UTC

}// 71/140

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Rotating Cylinder Optical Illusion

u/timothytomato

#illusion

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384.cz

remix of d/28759 by u/384.cz

function u(t) {

for(i=9;i--;)x.fillRect(i*99,0,50,200)

Oct 26 2023 10:32 AM UTC

}// 38/140

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#default 38

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UEZ

remix of d/28744 by u/neimad

function u(t) {

eval(unescape(escape`挮睩摴栽ㄲ㠰ⱱ㵵⬧✮獰汩琨✧⤻砮景湴㴢㐴灸⁃潮獯污猢㭦潲⡮㵬㴰㭮㱱⹬敮杴栻渫⬩筸⹦楬汔數琨煛湝Ⱘ⵴⨱㔰┱〸〰⤫氫ㄴ㠰ⱓ⡴⭮⼵⤪㈰〫㌵〩㭬⬽砮浥慳畲敔數琨煛湝⤮睩摴栫匨港㌫琩⨵⬵紻`.replace(/u([^D].)/g,'$1%')))

Oct 24 2023 8:36 AM UTC

}// 140/140

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#sinus #scroller

u/UEZ

#oldschool

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rodrigo.siqueira

remix of d/28706 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(a=b=t,i=7e4;i--;b=b/1.7-C(a*3),a+=(i/b&1)*3.2-b*S(a*4)/6-a*a/4.4)x.fillRect(4720-a*7e3+b**8*i,490-b*1e3,.1,t<2)

Oct 18 2023 5:34 PM UTC

}// 140/140

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My fractal garden #plant #fractal