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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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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New_Core

function u(t) {

for(c.width|=a=i=960;i--;)Z=a/(b=i/200-C(d=i/4+t)/5),x.fillRect(a+(25-i%50+S(b))*Z/9,540+(S(d)*C(b)+2)*Z/4,e=Z/99,e)

Jul 2 2024 2:10 PM UTC

}// 116/140

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My take on the moving surface. =)

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rodrigo.siqueira

remix of d/32078 by u/cantelope

function u(t) {

x.reset(h=500)
for(i=2e4;i--;x.fillRect(X,Y,s=h/Z/6,s))V=i%(o=140)-70,Z=i/o+S(V),X=960+V/Z*h+Z+S(Z*9)*9,Y=((3+C(V/8+t)*C(Z/19+t))**3)/Z*99+h

Jul 1 2024 3:04 PM UTC

}// 140/140

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Moving surface (simple uncompressed remix)

u/cantelope

cool!
u/UEZ

#waves
u/vain

nice work !!

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magna

remix of d/32038 by u/magna

function u(t) {

for(j=5;j--;)for(i=9;i--;x.fillRect(i*T,j*T,T,T=216),x.clearRect(400+i*100+S(t)*300,400,50,T))x.fillStyle=`hsl(${i*20+t*T},${j*15+15}%,50%`

Jun 19 2024 7:17 AM UTC

}// 139/140

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Once more, with more #default

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rodrigo.siqueira

remix of d/31984 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`󨼮󬽴󮝬󩜽󙽨󩝩󩽨󭌺󞝩󫬻󩭩󫍴󩝲󞭩󫭶󩝲󭌨󙼊󩍯󨽵󫝥󫭴󛭤󫽣󭝭󩝮󭍅󫍥󫝥󫭴󛭳󭍹󫍥󛭯󭭥󬭦󫍯󭼽󙽡󭝴󫼧󒭦󫽲󚍡󟝢󟝴󛍩󟜲󩜴󞽩󛜭󞽢󚼽󠼨󨜪󜼩󛼶󛝡󚭢󛼶󛍡󚼽󬬯󜬫󨬪󤼨󨜪󜼩󛝡󛼹󚝩󙬸󙬦󚍲󟝩󛽢󙬱󚜬󮌮󩭩󫍬󤭥󨽴󚍢󚬹󞜹󚼹󞜹󛍡󚬲󝼰󛌮󜜬󭌼󜼩`.replace(/u../g,'')))

Jun 13 2024 4:16 PM UTC

}// 138/140

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Alien Spiral with scrollbar #hack #spiral

u/aaaaaz

damn looks like multi scale turing pattenr https://softologyblog.wordpress.com/2011/07/…

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rodrigo.siqueira

function u(t) {

eval(unescape(escape`󨼮󬽴󮝬󩜮󪍥󪝧󪍴󟜧󞝩󫬧󒭤󫽣󭝭󩝮󭌮󩍯󨽵󫝥󫭴󡝬󩝭󩝮󭌮󬽴󮝬󩜮󫽶󩝲󩭬󫽷󘌽󙽡󭝴󫼧󒭦󫽲󚍡󟝢󟝴󛍩󟜲󩜴󞽩󛜭󞽢󚼽󠼨󨜪󜼩󛼴󛝢󛼴󛍡󚼽󬬯󝌫󨬪󤼨󨜪󜬩󛼳󛝡󛼶󚝩󙬸󙬦󚍲󟝩󛽢󙬱󚜬󮌮󩭩󫍬󤭥󨽴󚍢󚬲󩜳󚼶󜌰󛍡󚬲󩜳󛜳󞌰󛌮󜜬󭌼󝬩`.replace(/u../g,'')))

Jun 11 2024 6:22 PM UTC

}// 133/140

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Spiral below the vertical scrollbar. #hack when the screen space is not enough.

u/KilledByAPixel

ha nice!

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KilledByAPixel

remix of d/31979 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍳󟝢󟜮󜜵󝜬󪼽󜌻󪼼󜬲󞼫󚽫󚝦󫽲󚍬󪝮󩝗󪝤󭍨󟝫󟽳󛼽󛬷󞬱󩜴󛍩󟜲󜌻󪜭󛜻󬽴󬭯󪽥󚌩󚝢󩝧󪝮󤍡󭍨󚍳󭍲󫽫󩝓󭍹󫍥󟝒󚍶󟝫󟽩󙜲󚬱󩜳󞬱󜬸󛍶󛍶󚜩󛍥󟝳󚬳󚭓󚍴󚜬󨝲󨼨󞜶󜌫󤼨󨜽󛬳󜜴󚭩󚽫󚬹󚜪󩜬󝜴󜌭󠼨󨜩󚭥󛍳󚬹󛍡󛝢󛍫󟽡󚽢󞬹󚜻`.replace(/u../g,'')))

Jun 11 2024 3:49 AM UTC

}// 137/140

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Circle Spiral Spin Illusion by Akiyoshi Kitaoka

u/KilledByAPixel

Inspired by Matt Enlow https://x.com/CmonMattTHINK/status/179907020…
u/magna

Very trippy!
u/dabl03

At first I thought you used Chinese characters to write this (firefox represents binary with a character, which at first glance looks like Chinese, but no), but now that I see that you compiled the text and then decompiled it. How did you do it? It sounds curious :).
u/KilledByAPixel

hi dabl03, this is a special way fit a few more bytes using a compression scheme. The compressor even fits in a dweet! https://www.dwitter.net/d/23092

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KilledByAPixel

function u(t) {

with(x)for(lineWidth=s=t?s/=.7:.1,i=20;i--;stroke())beginPath(strokeStyle=R(i%2*1e3)),arc(960+S(a=.314*i+t*9)*s*3,540-C(a)*s*3,s*9,a,a+.3)

Jun 9 2024 10:01 PM UTC

}// 138/140

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Demake of Circle Spiral Illusion by Akiyoshi Kitaoka

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magna

remix of d/31961 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󮌮󬭥󬽥󭌨󠼽󭌿󠼺󨼮󨽬󫽮󩝎󫽤󩜨󚜩󞽦󫽲󚍉󟝩󟜲󩜳󞽩󛜭󞼩󠼮󩽥󭍃󫽮󭍥󮍴󨌲󩍠󛭦󪝬󫍒󩝣󭌨󪜬󥌽󭌪󜜲󜌬󤼨󭌯󜼭󚌨󜭥󝜭󚍩󛜹󝬰󚜪󚬲󛜨󥌭󝜴󜌩󚬪󜬩󚬪󛬵󯌰󚜯󝬰󜌩󛌲󚜻󩭯󬬨󪜽󢜻󪜭󛜻󚝸󛭤󬭡󭽉󫝡󩽥󚍃󛍓󚍩󛼹󚽴󚬹󚜪󝌫󝌬󪜬󢜭󜜹󛌱󛌰󛍩󛍉󛌱󚜻`.replace(/u../g,'')))

Jun 7 2024 5:35 AM UTC

}// 139/140

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u/KilledByAPixel

nice!

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KilledByAPixel

remix of d/31957 by u/KilledByAPixel

function u(t) {

for(i=2e3;i--;)x.fillRect(i,t*120,S(t/3-((2e5-(i-960)**2-(t*120-540)**2)**.5|0)/600),2)

Jun 6 2024 3:54 PM UTC

}// 87/140

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Small Sphere ⚽

u/joeytwiddle

Another beautiful #sphere

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mhi

remix of d/11450 by u/katkip

function u(t) {

q=t/25;x.fillRect(0,0,2e3,2e4);for(i=500;i--;)x.clearRect(960+S(t+i*q)*(500-i),540+C(t+i*q)*(25-i+C(t)/99),8,8)

May 24 2024 5:06 PM UTC

}// 111/140

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Show more comments…
u/warbino

awesome!
u/thenize

don't remix it's a bad look.
u/thenize

this code is NOT optimized
u/mhi

ill try harder next time im sorry
u/thenize

hip hip!
u/warbino

array!
u/cantelope

this platform encourages remixing, without judgement of the result as long as it was not malicious... please keep the spirit constructive in your comments thank you