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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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Xen

remix of d/33870 by u/lewdev

function u(t) {

for(z=i=frame;z%--i;);i-1?0:c.before(z+' ')

May 31 2025 2:30 PM UTC

}// 43/140

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Prime Printer 🧮 (-1b)

u/Xen

for(z=i=frame;z%--i;);throw i-1?' ':z for 37b throw version.
u/Xen

for(z=i=frame;z%--i;);throw i-1?'':z for 36b 'throw' version.
u/lewdev

Nice clever use of frame!

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KilledByAPixel

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟜰󒭸󛭬󪝮󩝗󪝤󭍨󟜹󒭦󫽲󚍩󟜭󝜻󪜼󝜻󪜫󟜮󜌲󚜊󮌮󫍩󫭥󥍯󚌹󝬰󚽩󚬲󜬹󛌹󜌰󛜱󞜲󚭍󨝴󪌮󨝢󬼨󪜩󚬪󪜬󞜬󞜩󒭸󛭦󪝬󫍒󩝣󭌨󜌬󞜰󜌬󜭥󜼬󜼩󒭸󛭦󪝬󫍒󩝣󭌨󞜶󜌬󜌬󜼬󜭥󜼩󒭸󛭳󭍲󫽫󩜨󚜻`.replace(/u../g,'')))

May 31 2025 1:48 PM UTC

}// 119/140

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Guess The Function - https://x.com/iquilezles/status/192857225001…

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Xen

remix of d/33875 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=1e4;i--;)x.fillRect(960+C(i+t/9)*800/t^i/55,540-S(i-t/13)*480/t^i/299,.1,2/t)

May 30 2025 8:57 PM UTC

}// 108/140

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u/magna

Love it!
u/Xen

thank you bro!

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rodrigo.siqueira

remix of d/33881 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=2e4;i--;x.fillRect(960+4*C(k=i/5)/Z,S(k)/Z+710,.1+.05/t,t<2))
Z=S(i/5)/700/C(S(n=i/t)*T(i*4)%1.57)-1/S(n)/3e3

May 30 2025 6:10 PM UTC

}// 140/140

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Through the Void

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Xen

remix of d/33880 by u/magna

function u(t) {

for(i=6e3,c.width|=w=99+T(t*t);i--;x.fillRect(X*19-s,Y*19-s,s,s))X=i%w,Y=i/w,d=S((S(t*w)*50+50-X,C(t+X/9)*28+28-Y)/9)*w,s=d/w*13

May 29 2025 8:07 PM UTC

}// 128/140

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Xen remix the man like Magna!, 128 my bro, us elders still here.

u/Axioplase

It srats the same as the original, but then "glitches"
u/Axioplase

Is that part of the design, or an issue with my browser/os?
u/Xen

part of the design messing with c.width ;-)

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rodrigo.siqueira

remix of d/33876 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=2e4;i--;x.fillRect(960+C(k=i)/Z,1.1*S(k)/Z+99,.1+.05/t,t<2))Z=S(i/5)/800/C(S(n=i/t)*T(i)^5)-C(n)/2e3/S(n)

May 29 2025 5:04 PM UTC

}// 136/140

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The Bearer of Light

u/cantelope

just sayin... https://srmcgann.github.io/sandbox/logo.mp4
u/joeytwiddle

#art

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magna

function u(t) {

c.width=495
for(i=6e3,w=99;i--;x.fillRect(X*5-s/2,Y*5-s/2,s,s))X=i%w,Y=i/w|0,d=S(Math.hypot(S(t*1.7)*50+50-X,C(t+X/9)*28+28-Y)/5)*w,s=3+d/w

May 29 2025 3:58 AM UTC

}// 140/140

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Axioplase

remix of d/33877 by u/Axioplase

function u(t) {

c.width=1e3
F=(n,a,b)=>n<2?a:F(--n|0,b/(i|t%9),a+b)
for(i=8;i<300;)r=F(i*9,1,3),X=r*C(i/9+t),Y=r*S(t+i++/9),x.lineTo(X+500,Y+300),x.stroke()

May 29 2025 3:45 AM UTC

}// 140/140

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Gears

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rodrigo.siqueira

remix of d/33877 by u/Axioplase

function u(t) {

c.width|=F=(n,a,b)=>!n?a:F(--n,b/295+i,a+b)
for(i=0;i<380;x.stroke())r=F(i,1,1),
x.lineTo(r*C(i+(w=i/33+t))+960,r*S(i+++w+S(i+t*7)/5)+540)

May 28 2025 5:02 PM UTC

}// 138/140

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moving spiral

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Axioplase

remix of d/33873 by u/Axioplase

function u(t) {

c.width=w=1e3
F=(n,a,b)=>n<2?a:F(--n|0,b,a+b)
for(i=0;i<20;)r=F(i,1,1),X=r*C(i+S(t)),Y=r*S(i+++9*S(t/9)),x.lineTo(X+500,Y+300),x.stroke()

May 28 2025 3:41 PM UTC

}// 138/140

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Fibonacci spiral