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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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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁷👣𛡷𪑤𭁨𯀽𜀬𭰬𪠽𜠱𜀬𫰽𜠱𛁱🐱𜠰𚐻𪠭𛐻𚑦𫱲𚁘👪𙑯𚡱𚱓𚁴𚠶𚐪𫰭𫰬𫐽𞐻𫐭𛐻𮀮𩡩𫁬𤡥𨱴𚁘𛐨𬰽𬐭𫐪𜐷𚐯𜠬𦐭𬰯𜠬𬰬𬰩𚑸𛡦𪑬𫁓𭁹𫁥👠𪁳𫁡𚀤𮱪𙐲𚠱𞀰𯐬𞐹𙐬𝐰𙐬𙁻𛠲𚠨𜐫𠰨𦀯𫰩𚡃𚁙🐨𪠯𫱼𜀩𚡱𚐩𯑠`.replace(/u../g,'')))

Oct 9 2024 8:23 PM UTC

}// 140/140

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tiles v.1

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geeknik

function u(t) {

for(i=0;i<1e4;i++)x.fillRect(960+S(t+i/99)*i/5,540+C(t-i/99)*i/5,9,9,x.fillStyle=`hsl(${i/28},99%,${50+50*S(i/50+t)}%)`)

Oct 2 2024 5:25 AM UTC

}// 120/140

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Spiral Duality

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baegus

function u(t) {

c.style.filter='invert('
with(x){reset()
fillStyle=R(0,0,255)
for(i=2e3;i--;)
setTransform(1,0,99,T(i-t),0,0)&
fillRect(0,S(i)-90,T(i),1e6)}

Sep 26 2024 9:15 PM UTC

}// 140/140

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SpinRays #sun #rays

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derp

remix of d/32482 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,i=3e4,i);i--;)x.clearRect(960+S(k=i/73)*i/33+T(i),C(k/333+T(i)/40)*i/15+i*T(i/3e6)+C(t/4)*50,w=S(i)*3,3)

Sep 25 2024 6:46 AM UTC

}// 123/140

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taupelink

remix of d/32473 by u/taupelink

function u(t) {

g=n=>((X*n/4%4-2)**2+(Y/n%4-2)**2-4)**2;for(i=1e4;i--;x.fillRect(240+15*X,60+15*Y,w=(g(4)+g(1)|g(2))&17?0:t/.7/t**t,w))X=i*i*t%96,Y=X*i*t%64

Sep 24 2024 7:29 PM UTC

}// 140/140

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d/32505

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baegus

function u(t) {

c.width*=1
l=860*S(t)+853
f=x.fillRect.bind(x)
f(l,516,210,50)
f(l+78,434,50,210)
if(S(t)>S(t-.1))
f(0,0,9e4,516)&
f(0,560,1e4,1e4)

Sep 24 2024 10:51 AM UTC

}// 132/140

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!positiveSpace #Opposites

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derp

function u(t) {

for(x.fillRect(0,0,i=4e4,i);i--;)x.clearRect(T(k=i/1.000415+t/20)*960,C(i)+i/38,w=C(i)*3,3)

Sep 24 2024 3:09 AM UTC

}// 91/140

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remix of d/32482

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baegus

function u(t) {

c.width*=1
for(i=90;i--;){
x.fillStyle=R(2*i,i*1,90)
x.beginPath()
x.arc(i*23,44*i*S(t*60-i<<10)+560,i*9,0,8)
x.fill()}

Sep 23 2024 9:26 PM UTC

}// 119/140

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Simple color dispenser

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magna

remix of d/32471 by u/rodrigo.siqueira

function u(t) {

for(i=2e3;i--;d>91e3&Math.random()>.002&&x.fillRect(i,Y,1,1))Y=frame,d=(i-960)**2+(Y-540)**2

Sep 20 2024 2:31 AM UTC

}// 92/140

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Full moon scanline #moon #scanline

u/rodrigo.siqueira

Great! Suggestion for future code: Y=t*60 is 1 character shorter than Y=frame and it also prevents the "while line" on top because frame starts with "1" and t*60 starts with "0"
u/magna

Sweet! Noted.

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magna

remix of d/32376 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`󭜽󚍴󚬳󯌰󚜪󝼦󜜵󞽘󟝵󙬳󞽙󟝵󟬾󜬻󮌮󩽬󫽢󨝬󠝬󬍨󨜽󛬲󞽸󛭦󪝬󫍒󩝣󭌨󦌪󟜴󞌰󛍙󚬽󜬷󜌬󜭥󜼬󜭥󜼩󞽦󫽲󚍪󟜱󞌻󪬭󛜻󚝦󫽲󚍩󟜷󞜱󞽩󛜭󞽔󟜱󜌪󪬭󜬩󮌮󨽬󩝡󬭒󩝣󭌨󦌫󜬴󜌫󤼨󪜫󤼨󪬯󜼫󭌩󛼳󚜪󥌬󦜫󜜳󝜫󠼨󪜩󚭔󚬨󛬴󚽓󚍩󚽴󚜯󝌩󛌱󛌱󚜻`.replace(/u../g,'')))

Sep 7 2024 7:50 PM UTC

}// 135/140

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