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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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danny@hille.dk

remix of d/20340 by u/danny@hille.dk

function u(t) {

for(X=60;X--;)for(Y=34;Y--;)x.fillStyle=R(o=199*(C(t+Y/4)+S(t+X/9+C(Y/(4+C(t)+S(X/9+Y/6))))),o,o*C(C(X+t)+C(Y))),x.fillRect(X*36,Y*36,36,36)

Oct 21 2020 5:12 PM UTC

}// 140/140

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let's plat 8-bit :-)

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danny@hille.dk

remix of d/20330 by u/neimad

function u(t) {

for(c.width=X=60;X--;)for(Y=34;Y--;)x.fillStyle=R(o=99*(C(t+Y/4)+S(t+X/9+C(Y/(4+C(t)+S(X/9+Y/6))))),o,o*C(C(X+t)+C(Y))),x.fillRect(X,Y,1,1)

Oct 21 2020 5:09 PM UTC

}// 139/140

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let's play

u/danny@hille.dk

hi res version -> http://glslsandbox.com/e#68685.0

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robbyg

function u(t) {

eval(unescape(escape`睩瑨⡸⥦楬汓瑹汥㴢⍥敥∬汩湥坩摴栽ㄶⱳ瑲潫敓瑹汥㵒⡺㵓⡴⤪㤶⬱㈸ⱺⱺ⤬獴牯步剥捴⠰ⰰⰱ㤲〬㄰㠰⤬稾㈱㤦♦楬汒散琨㤱ㄬ〬㤸ⰸ⤬摲慷䥭慧攨挬㠬㔬ㄹ〴ⰱ〷〩`.replace(/u(..)/g,"$1%")))

Oct 21 2020 1:47 PM UTC

}// 123/140

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I'm not sure I want to know where this hallway leads...

u/robbyg

with(x)fillStyle="#eee",lineWidth=8,strokeStyle=R(z=S(t)*96+128,z,z),strokeRect(4,4,1916,1076),z>219&&fillRect(911,0,98,8),drawImage(c,8,5,1904,1070)
u/katkip

i love the method you used to make ceiling light effect thing

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katkip

function u(t) {

eval(unescape(escape`𭀪🐵𞱣𛡳𭁹𫁥𛡦𪑬𭁥𬠽𨁩𫡶𩑲𭀨𨀬𣀽𚁑𛁘𛁙𚐽🡻𮀮𨡥𩱩𫡐𨑴𪀨𚐻𩡯𬠨𪐽𝐻𪐭𛐻𚑸𛡡𬡣𚁘𚱓𚁑𚡩𚡩𚐪𜰰𛁙𚱃𚁑𚡩𚠪𜰩𚠵𜀫𭀥𜐵𛀰𛀰𛀰𚐻𮀮𬱴𬡯𪱥𚀩𯐊𣀨𜐫𭁼𜀬𝐰𚰨𭁼𜀩𚠵𞐥𞐹𞐬𞀰𚰨𚀨𚁴𯀰𚐪𝐹𚐯𞐹𞐩𯀰𚐪𜐵𜀩`.replace(/u../g,'')))

Oct 21 2020 1:30 PM UTC

}// 133/140

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ancient text #waitforit

u/katkip

t*=5;c.style.filter=`invert(`,L=(Q,X,Y)=>{x.beginPath();for(i=5;i--;)x.arc(X+S(Q*i*i)*30,Y+C(Q*i**3)*50+t%15,0,0,0);x.stroke()} L(1+t|0,50+(t|0)*59%999,80+((((t|0)*59)/999)|0)*150)
u/13thptr

Why did it have to be so insulting ?

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ciaccodavide

remix of d/20336 by u/ciaccodavide

function u(t) {

இ=10
F=ஔ=>(ஔ%(1+S(t))*10<2)
for(அ=1080/இ;அ--;)
for(ஆ=1920/இ;ஆ--;)
x.fillStyle=F(t*10+ஆ+S(அ+t*100))?"#ed9":"#369",x.fillRect(ஆ*இ,அ*இ,இ,இ)

Oct 21 2020 10:22 AM UTC

}// 136/140

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S̮̣̥ ̡̦̺̯̜͍̠ͧͧ̿̐ͣ̽ͦͅT͔̺͍͙́ͅͅ ̥̙̮̲͎́̋̔́̍̎̔̕A̡͑ ͚͇͙͚̜ͪ̿̎T͆ͬ̎͋͏̹ ̶̻̜̟̣̉̾͌ͣ̊̅̍Ḯ̢͍̲̪̳̟̔̅ ͎̂C̘̳̟̰̞

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ciaccodavide

function u(t) {

d=10
F=n=>(n%d<2)
for(k=1080/d;k--;){
for(j=1920/d;j--;){
x.fillStyle=F(t*d+j+S(k+t*100))?"#ed9":"#369",x.fillRect(j*d,k*d,d,d)}}

Oct 21 2020 10:07 AM UTC

}// 129/140

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Twirly Spaghetti

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ciaccodavide

remix of d/9083 by u/katkip

function u(t) {

F=n=>((T(n/11.17))%6-1<3);x.drawImage(c,0,l=t);for(j=1214;j--;)x.fillStyle=F(j^t*60)?"#000":"#fff",x.fillRect(j*l,0,l,l)

Oct 21 2020 9:56 AM UTC

}// 120/140

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Time-bent Square Universe

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mark.knol

function u(t) {

for(i=0,w=c.width,T=53;i<T;++i)r=t+i/T*Math.PI,x.fillStyle=R(128+C(r)*128,i*3,0,.03),x.fillRect(w/2+w/2*S(r),400+C(r+t)*400,S(r*4)*100,200)

Oct 21 2020 8:03 AM UTC

}// 139/140

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Almost fluid

u/Xen

nice!

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ciaccodavide

remix of d/20332 by u/ciaccodavide

function u(t) {

w=1080
l=t*99%w
T.valueOf=Math.random
G=T*99
x.fillStyle=R(G,G,G,l/w>.5?1-l/w:l/w)
x.fillRect(0+l,0+l,1,w-l*2)
x.fillRect(0+l,0+l,w-l*2,1)

Oct 21 2020 7:18 AM UTC

}// 138/140

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Corr

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ciaccodavide

function u(t) {

l=t*32%1080
T.valueOf=Math.random
x.fillStyle=R(T*99,T*99,T*99,t%1)
x.fillRect(0+l,0+l,1,1080-l*2)
x.fillRect(0+l,0+l,1080-l*2,1)

Oct 21 2020 7:00 AM UTC

}// 129/140

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Embossed Accumulative Corridor