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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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taupelink

remix of d/28140 by u/taupelink

function u(t) {

eval(unescape(escape`󩭯󬬨󪜽󝼵󜌻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚍘󚬶󜼰󛝷󛜴󜌪󫼬󦜪󜼴󜌭󭼬󭼪󟜲󛍷󚜩󦌽󪜥󣝡󭍨󛭐󢜬󦜽󦌪󪜥󜼬󫼽󤼨󦌫󜜩󛍱󟝙󙬲󛍸󛭦󪝬󫍓󭍹󫍥󟝠󪍳󫌨󙍻󝌵󚭯󚬪󚌱󞜭󞜪󬜩󚭓󚍙󚜪󚬹󚽱󚬨󜜱󜌭󫼪󜜵󚝽󛌤󮼳󜌫󜜵󚭯󚼵󚭱󯜥󛌤󮼵󜌭󞜪󬝽󙜬󙍻󪜪󪜯󜜵󩜶󯜩󨌬󭼽󪜯󪜪󚭴`.replace(/u../g,'')))

Jul 16 2023 9:57 PM UTC

}// 140/140

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d/28142

u/UEZ

#sunset #sunrise nice
u/Xen

love it!

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rodrigo.siqueira

remix of d/28091 by u/rodrigo.siqueira

function u(t) {

c.width|=0
for(i=2e4;i--;x.fillRect(960+C(K=S(i)*i+t/4+1/a+a/t)*740*a,540+S(K)*490*a,30*a,30*a))a=((i/C(i)+t/6))%2-2

Jul 5 2023 3:27 PM UTC

}// 116/140

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Fast Vortex #vortex

u/cantelope

whoa
u/NoName

i like how it goes the opposite direction in the centre
u/NeonStrawberry

Cool!

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KilledByAPixel

function u(t) {

eval(unescape(escape`󩬽󚍷󛍳󚜽󟬨󫜽󚍃󚍳󚜪󝜰󚭴󙝷󚽷󚽳󚭳󚜥󭼩󟭷󛼲󟽷󛝭󞭭󒭦󫽲󚍣󛭷󪝤󭍨󙬽󪼽󝽥󜼻󪼭󛜻󮌮󨭥󩽩󫭐󨝴󪌨󚍘󛝁󚜪󚬲󚼨󦜭󠬩󚬪󜬼󝽥󜼦󙭸󛭳󭍲󫽫󩜨󚜩󚝸󛭬󪝮󩝔󫼨󦌽󩬨󥼽󜜵󜼶󛍩󟝫󙜶󝌩󛍙󟝦󚍈󟜸󝬴󛍩󚭩󚜩󛍸󛭬󪝮󩝔󫼨󠜽󩬨󥼬󪬽󪼾󟬶󚜬󠬽󩬨󢌬󪬪󪬩󚜻`.replace(/u../g,'')))

Jun 30 2023 4:50 PM UTC

}// 140/140

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Missed Connections

u/pomprocks

Can you make show circular waves like in the ending credits to the movie ex machina?
u/KilledByAPixel

we might be able to do something like that, i'll have to think on it

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tomxor

function u(t) {

for(w=c.width&=i=10368;X=--i%w,Y=i/w;x.fillRect(X+z*R,Y+z*T,Math.hypot(R=X/64-1-S(t),T=Y/64-.6-C(t/3))+!z/2,1))z=(w+X/3-Y/3^Y/3+X/3)%21>18

Jun 6 2023 5:58 PM UTC

}// 138/140

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#PCB #trace #bumpmap

u/tomxor

Getting on the bump train with a different method. This one displaces X and Y in proportion to distance from light source, which creates pixel gaps on one side (specular highlights), and overlapping pixels on the opposite (becoming shadows).
u/danny@hille.dk

wow thats chrisp!

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rodrigo.siqueira

remix of d/27925 by u/KilledByAPixel

function u(t) {

c.width=355
for(i=w=127;i--;)for(j=200;j--;)x.fillRect(i+114,j,1,((w*(C(a=Math.atan2(X=i/w-.5,Y=j/w-.8))/Y/6+t)^w*(S(X+Y)/Y/6))&w)/w*C(a/t))

Jun 6 2023 3:16 PM UTC

}// 140/140

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The Tunnel #tunnel

u/tomxor

For some reason this reminds me of those weird halfpipe levels on sonic2 on the megadrive https://youtu.be/8cr1rqVcIhA?t=484

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zola

function u(t) {

for(q=1e3,c.width=q,b=-(f=(20*t<<0)%8-3)*f/40,i=0;i<5;i++)m=2==i?4:1,x.fillRect(t%2*q+2*(i-2)*f*20-q/3,q/4*b+(q+b>>+i+2)+q/4/m+i,50*m,50*m)

Apr 26 2023 6:04 PM UTC

}// 139/140

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Bipedal Robot Run

u/Joachim

Lol this is really cool
u/joeytwiddle

#cute

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rodrigo.siqueira

remix of d/27379 by u/intrinsic

function u(t) {

c.style.filter=`invert(`
for(c.width&=i=1e4;i--;x.fillRect(i%2?S(i*i+t/70)*2e3:906+C(i*i+t)*r*S(i),i%2?i:500+S(i*i)*r,4,3))r=250+S(t+i)*99

Apr 17 2023 1:33 PM UTC

}// 138/140

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Alien Artifact #starfield

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rodrigo.siqueira

remix of d/27361 by u/PotatoImaginator

function u(t) {

c.width=950
for(k=j=128;j--;)for(i=k;i--;x.fillStyle=R(S(i/9-t*4)*k))i&j||x.fillRect(320+i*3+j+8*S(j/9+4*t),j*2+i*C(t+i/99)+k,3,3)

Apr 11 2023 8:14 PM UTC

}// 130/140

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Flying Sierpinski Wave

u/joeytwiddle

#sierpinski

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rodrigo.siqueira

remix of d/27082 by u/taupelink

function u(t) {

x.globalAlpha=.1
for(i=528;i--;x.fill())x.beginPath(x.fillStyle=R(i/3,i/2,i)),x.arc(X=i%22*89,Y=980-(i/22|0)%12*80,20/t+9,i,i+C(t+i*i)*7)

Feb 19 2023 1:40 AM UTC

}// 137/140

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22x12 Blue Circle Matrix

u/magna

Pretty!
u/jdspugh

Cool

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rodrigo.siqueira

remix of d/26978 by u/Mkac003

function u(t) {

for(c.width=a=352,h=99;a--;)for(b=h;b--;){for(m=n=0,i=19;n<1&&i--;)e=n*n-m*m+a/280-S(t-i/2)-1.2,m=n*m/h*b-1,n=e
x.fillRect(a,b*2,C(n),2)}

Feb 1 2023 6:04 PM UTC

}// 137/140

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Plasmatic chaos

u/lonestar108

Oh I love this one
u/Joachim

Pretty!
u/Xen

i love it!
u/SophiaCristina

Cool, looks like some 90's demo!