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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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yonatan

remix of d/7241 by u/yonatan

function u(t) {

for(i=j=c.width=99;i--;)for(X=i-50,Y=40;Y++<j;)h=S(t)+S(X/Y*9)*S(X/9+Y/5-t*9)**3,x.fillStyle=R(j+h*j,Y*h,i*h),x.fillRect(i,(Y-h*22)*Y/j,1,j)

Aug 4 2018 7:42 PM UTC

}// 140/140

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DataMeta

remix of d/1428 by u/irregularshed

function u(t) {

for(i=1920;i--;)v=(t*60)%1080,l=(i^v)%256&frame,
x.fillStyle=R(l,l/4,l*3),x.fillRect(i,v,1,1)

Aug 4 2018 6:59 PM UTC

}// 93/140

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Simple test inspired by firegodjr's bitwise dweets

u/fujimotos

#scanline #slow_render

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katkip

function u(t) {

t||x.translate(960,540);for(i=0;i<99;i++)x.fillRect(-t*300+i*100+S(t)*300,100,50,200);x.rotate(t/1337);x.fillStyle=R((t**3)%256,(t**8)%256);

Aug 4 2018 5:26 PM UTC

}// 140/140

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Couldn't resist. #default meme 4 ever. #tunnel

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mvs202

function u(t) {

χ=S(t)*960
c=(h,a,b)=>{χ<0?x.fillStyle=`hsl(${h%360},99%,50%,0.2`:0
x.fillRect(960-χ,a,χ*2,b)}
c(t*53,0,300)
c(t*59,315,150)
c(t*47,480,600)

Aug 4 2018 3:45 PM UTC

}// 140/140

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u/katkip

This can be good as a animated desktop wallpaper
u/magna

Keeps on giving
u/iverjo

#colors
u/lionleaf

Beautiful! Broken on #Edge and some other #browsers though. Should be possible to fix, but tagging it now so it's easy to find later :)
u/mvs202

Yeah, the problem is Edge doesn't like the 4th parameter in hsl() - I would need hsla() for that. Surprisingly, no one bothered by the lack of a closing paran in the hsl function!

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richev

function u(t) {

c.width|=0
x.lineWidth=9
x.fillStyle='#fc3'
r=500
for(i=0;i<=8;i++)j=i%2?r:-r,a=.448*i,x.lineTo(960+S(t+a)*j,r+C(t+a)*j)
x.stroke()
x.fill()

Aug 4 2018 12:29 PM UTC

}// 140/140

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First dweet - a simple rotating golden seven pointed star

u/firegodjr

Welcome to Dwitter!
u/richev

thanks!

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katkip

function u(t) {

for(i=0;i<300;i++)h=(i+t*t/2)*28%360,x.fillStyle=`hsl(${t+h/3},99%,50%)`,x.fillRect(i%20*99,~~(i/20)*99,h*t,t*h)

Aug 4 2018 10:40 AM UTC

}// 112/140

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Idea from d/1787

u/lionleaf

Cool! Shy not post as a remix?
u/lionleaf

Why*
u/katkip

Oh good point.

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Agnes

remix of d/9088 by u/firegodjr

function u(t) {

F=n=>C(n)^T(n/t|0);x.drawImage(c,0,l=9);for(j=214;j--;)x.fillStyle='#'+F(j+t*60^-t*60+j).toString(16).padStart(3,'0'),x.fillRect(j*l,0,l,l)

Aug 4 2018 10:24 AM UTC

}// 139/140

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Fractal Metropolis 1972

Show more comments…
u/katkip

Wow
u/joeytwiddle

Looks so cool and cyber, then come silly green smiley faces
u/katkip

That actually looks like a GOL
u/iverjo

Wow! Interestingly, this is the result of a long remix chain
u/fujimotos

The loop starts here: d/8940
u/donbright

i want a sweater like this
u/tomxor

I love this one!

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MrM@_S

function u(t) {

eval(unescape(escape`瑼簨挮潵瑥版呍䰽∼楮灵琠楤㵯㸢Ɐ⹯湣桡湧攽攽㹻漮癡汵攽⡵⬰⤮獰汩瑠屮恛ㅝ⹲数污捥⠯孞尰⵾崫⼬畮敳捡灥⡛⸮⹯⹶慬略崮浡瀨⡥Ⱨ⤽㹛朥㈿恠㩠╵恝⭥⹣桡牃潤敁琨⤮瑯却物湧⠱㘩⤮橯楮恠⤩紩`.replace(/u(..)/g,"$1%")))

Aug 4 2018 3:47 AM UTC

}// 137/140

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[Dwitter Compressor V 1.2] Click around until you find a pesky INPUT element, then paste your code in and click away to get your code compressed. From there, just copy the text In the INPUT element, and paste in your dweet to post it. It still struggles with ascii values below 16, and must have an even length input (NO UNICODE). The limit of characters for a dweet is 184 using this compressor.

u/katkip

Doesn't work
u/katkip

Only gives ) {
u/joeytwiddle

Very nice! I got one working. #compressor
u/katkip

Worked for me too. wow that's awesome

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sethmaxwl

function u(t) {

c.width|=100
for(i=0;i<1000;i++)
x.lineTo(1000+(C(i/3))*700,600+500*T(i+t))
x.stroke()

Aug 4 2018 1:30 AM UTC

}// 86/140

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sethmaxwl

function u(t) {

c.width|=100
for(i=0;i<1000;i++)
x.lineTo(1000+(1/(C(i)/S(i)))*500,600+500*C(i+t*t*t))
x.stroke()

Aug 3 2018 8:58 PM UTC

}// 97/140

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