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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: #Food

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rodrigo.siqueira

remix of d/33180 by u/rodrigo.siqueira

function u(t) {

for(i=2e4;i--;x.fillRect(120*X+270,62*Y+425,(f&8*8)/90,t<2))X=i*i/t%9.7+.7,Y=9*S(i+t)+2,f=((S(X-4))/(2.5+3*(X-5.6)**2%Y**2)*999)

Jan 29 2025 1:05 PM UTC

}// 128/140

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👁️👁️🦉

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tzador

function u(t) {

c.width|=0;
f=(z)=>(S(z)+1)/2*1e3
for (i=0;i<1e5;i+=1){
m=0.0003*i
xx=C(m)*t
yy=S(m)*t
x.lineTo(f(xx)+444,f(yy))
}

x.stroke()

Jan 28 2025 12:04 AM UTC

}// 127/140

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Dancing Web

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Xen

remix of d/33129 by u/Xen

function u(t) {

throw "⦀⦀⦀"

Jan 27 2025 4:09 PM UTC

}// 11/140

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ultimate Demake #default

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KilledByAPixel

function u(t) {

eval(unescape(escape`󭌿󨼮󭽩󩍴󪍼󟝯󫭫󩝹󩍯󭽮󟝥󟜾󥬽󩜮󭽨󪝣󪌭󜼸󞭁󟝛󦬽󥬽󣌽󣬽󜬬󣜽󜜰󜜲󧜊󠝛󣌭󜝝󟝎󒭦󫽲󚍩󟝌󞽩󛜭󞽚󛝡󯌡󪜿󮌮󩭩󫍬󤭥󨽴󚍡󙝓󚭓󛍡󛝡󙝓󛍓󛍓󟜴󝌩󞭚󛝎󟽟󞭎󟜫󚽌󚬪󝼥󣜩󨜽󠝛󪝝󒭁󟝛󦬽󚍚󚽍󚼨󥬪󥬭󜜿󥬪󤼭󤼺󥬩󚜥󣜬󛬮󛭁󧜊󡭐󤼽󣌫󝼊󭍨󬭯󭼠󣌭󜬻`.replace(/u../g,'')))

Jan 25 2025 6:42 PM UTC

}// 140/140

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Snake! 🐍 Use arrow keys to move, each level gets faster #interactive #game

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rodrigo.siqueira

remix of d/33096 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(i=380;i--;)for(j=20;j--;x.clearRect(680+(i*(j+12)/9)-20*j,y,4,3))
y=16*j+360+S(j/6)**2*S(i/60.3)**2*400*S(t*2)

Jan 20 2025 2:24 PM UTC

}// 138/140

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Double dome sinusoidal surface - symmetrical version - #loop

u/cantelope

right

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zadgy5534

function u(t) {

c.width|=0
for(i=99;i--;)for(j=69;j--;x.fillRect(500+i*C(i+t)*5,500+i*S(j)*5,5,5))
x.fillStyle=R(j*S(i),i*T(j),j*i)

Jan 20 2025 9:04 AM UTC

}// 115/140

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Vertial composition

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marquisdegeek

remix of d/33081 by u/marquisdegeek

function u(t) {

eval(unescape(escape`𬠽𭁹𬁥𫱦𘁲🐽𙱵𫡤𩑦𪑮𩑤𙰿𜐺𬠊𬰽𞐊𪠽𜐊𩡯𬠨𫠽𪐽𜀻𪐼𜰲𞱪𚠽𜠩𒠨𪠦𬠩𙠦𮀮𩡩𫁬𤡥𨱴𚁩𚡳𛁴𚠶𜀰𛁳𛁳𚐬𒡮𯀽𜐲𝠦𜐼🀨𚁲𙠱🀼𚰫𪐿𝀺𜀩𯀨𬠦𪠿𜠺𜀩𯀨𬠦𜐼🁩𚰳𜀿𜐺𜀩𚐿𪠺𜀊𬠽𫠻`.replace(/u../g,'')))

Jan 18 2025 10:51 AM UTC

}// 119/140

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I didn't want to resort to unicode packing, but I was 11 characters out and wanted to demonstrate a more correct automaton, as this one handles wrap around

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rodrigo.siqueira

remix of d/33054 by u/rodrigo.siqueira

function u(t) {

for(i=8e3;i--;x.fillRect(77*X-f,66*Y+2*f-20,S(k)*.9,t<7))f=5+C(X=i*i*t%25)*S(Y=i*i/t%17),k=S(Y/9)*f*(f+=C(X)-C(Y)),f+=Y%f

Jan 14 2025 2:38 AM UTC

}// 121/140

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Pattern details

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rodrigo.siqueira

remix of d/32999 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,i=2e3,i*!t);i--;x.clearRect(960+S(i*t)*i,540+T(i/t)*i,1,.3))k=T(i/t)*i,x.clearRect(960+S(k/4+i)*k*S(i/3)*8,540+k*7,1,.5)

Dec 27 2024 9:39 PM UTC

}// 139/140

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Fusion point #light

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Shakalaka

function u(t) {

for(i=0;i<1.9e3;i++){x.fillStyle=R(255*(z=(z=(i/90)+t)**2+z)<1);x.fillRect(i%1920,i?50*t+1000*S(i):500,9,9);}t+=1;

Dec 23 2024 8:16 PM UTC

}// 114/140

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