Dweets awesomed by u/stefano

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: #Opposites

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rodrigo.siqueira

remix of d/16862 by u/KilledByAPixel

function u(t) {

with(x)for(translate(i=960,540);i--;fillRect(K=S(t/3+i*6.5),K,K,K))save(restore()),rotate(i),fillStyle=R(j=S(t/2)*i*2,j*S(i%9),i),scale(j,j)

Dec 16 2019 2:20 PM UTC

}// 140/140

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Color Kaleidoscope #uncompressed #Kaleidoscope

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adroitwhiz

function u(t) {

eval(unescape(escape(`挮睩摴栽愽㜶㠻䐽娽㹸⹭潶敔漨䄫娬䈩⭸⹡牣呯⡁ⱂⱁⱂ⭚ⱓ⡴⨸⭩⤪ㄲ⬱㈩⭸⹬楮敔漨䄬䈫娩㭦潲⡩㴳㐰㭩ⴭ㭁㴨椥㌴⤪㐸ⱂ㴨椯㌴簰⤪㐸ⱄ⠲㐩ⱄ⠭㈴⤩㭸⹳瑲潫攨⤠`).replace(/u(..)/g,"$1%")))

Nov 27 2019 12:04 PM UTC

}// 125/140

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u/Xen

nice smooth
u/katkip

Smoooooth

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rnbw

function u(t) {

for(c.width^=i=0;i++<210;)for(j=0;j++<7;x.fillStyle=`#f`+j*15)x.fillRect(i*9,540-S(a=t-i/80*C(t+i/69)+j*.89)*230,9,Math.max(210*S(a-1.1),0))

Nov 25 2019 7:18 PM UTC

}// 140/140

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an attempt at something like a twister

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u/Xen

mmmmm tasty!
u/tomxor

my exact thoughts #marshmallow
u/katkip

twisted icecream
u/Xen

#flump
u/joeytwiddle

That's a very juicy #twister!
u/cyhawk

I teach 9-year-olds programming and used a tidied up version of this to show them how to figure out how something works. They loved it! Thanks! I've added a bit of gap between the strands to make it easier to understand, and I think it looks good. Like Math.max(180*S(a-1.2),0).
u/rnbw

wow, i would have never thought that my recreational programming would be used for educational purposes. glad i was able to help those kids out on their journeys!
u/danny@hille.dk

Just saw this, nice code man! Save 11 b like this: for(c.width=i=300;i--;)for(j=8;j--;x.fillStyle=#f+j*15)x.fillRect(i,99-S(a=t-i/80*C(t+i/99)+j*.9)*40,1,Math.max(40*S(a-1.1),0))

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New_Core

function u(t) {

c.width=1920
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400+300*C(t),50,200)
x.drawImage(c,5*S(t)/10*100,-600*C(t))

Nov 10 2019 6:31 PM UTC

}// 119/140

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heh there is some calculations left over from a test with Math.ceil.. (can be lot shorter anyway..)

u/magna

#default
u/joeytwiddle

Just a golf to 112: c.width=1920;for(j=2;j--;)for(i=0;i<9;i++)k=j*2-1,x.fillRect(400+i*100+S(t)*300+k*25*S(t),400+k*300*C(t),52,200)

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DaSpider

remix of d/10114 by u/yonatan

function u(t) {

//💕I💞💖code💝💓💗
for(lo=v=e=c.width=250;e--;x.fillText(code,t*-44%v,2))x.setTransform(a=4+e*e/99,0,0,a,130,77),x.globalAlpha=1-(e/v)**.04

Nov 8 2019 2:51 PM UTC

}// 134/140

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We can always use more #quine ...

u/DaSpider

//🍡🍧even🧡💛💚💙more🍅🍉🌍colors🥃🌈😈 << paste

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robbyg

remix of d/16500 by u/DataMeta

function u(t) {

r=Math.random
for(j=576;j--;x.fillStyle=R(a=r()*255,a,a,.5))d=54*r(),z=30-d/2,x.fillRect(j%32*60+z,(j/32|0)*60+z,d,d)

Nov 6 2019 10:33 PM UTC

}// 117/140

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u/DataMeta

Nice one. To take it full circle (or square) to d/15628: r=Math.random,a=r(b=r(c=r(l=255))) for(j=576;j--;x.fillStyle=R(a*l,b*l,c*l,r()/5))d=64*r(),z=30-d/2,x.fillRect(j%32*60+z,(j/32|0)*60+z,d,d)
u/joeytwiddle

Mellow: r=()=>(1+S(j**5-t++*3))/2 Darker: r=()=>S(j*j-t++*3)%1

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katkip

remix of d/11886 by u/katkip

function u(t) {

c.style.background=R();x.fillStyle=R(0,0,c.width*=1);for(i=43;i--;)for(j=71;j--;)x.fillRect(j*30+S(i*6+t)*100-100,i*30+C(j*6+t)*100-100,9,9)

Nov 4 2019 5:09 PM UTC

}// 140/140

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u/Xen

smoth af

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DataMeta

remix of d/16202 by u/DataMeta

function u(t) {

r=Math.random;with(x)for(j=560;j--;)fillStyle=R(a=255-r()/r()/r(),a,a,1-a*.0036),fillRect(64*(j%31),64*(j/31|0),d=60*r(),d)

Nov 3 2019 1:50 AM UTC

}// 123/140

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katkip

function u(t) {

c.width*=1;for(i=9;i--;)for(j=90;j--;)x.fillRect(400+i*100+S(t)*300+S(j/8+t*S(t)+i*3.1)*30*S(t),400+j*2,50,2)

Nov 2 2019 9:12 AM UTC

}// 109/140

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Swirled #default

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katkip

function u(t) {

x.globalAlpha=.4;for(i=540;--i;x.fillRect(960+S(m**3/9)*q,540+C(m**3/9)*q,i/t,-i/t))m=i+240*t,q=3e4/i,x.fillStyle=R(i*i/90,i*i/90,i*i/44)

Nov 1 2019 7:54 PM UTC

}// 137/140

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#waitforit

u/username

remix of d/16396

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