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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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contone

remix of d/22484 by u/contone

function u(t) {

x.setLineDash([9])
x.clearRect(0,0,2e3,b=960)
x.lineDashOffset=f=t*60
o=(f%16>8)-.5
x.moveTo(o*f+b,b)
t<16?x.lineTo(-f*o+b,f):0
x.stroke()

Apr 14 2021 3:35 PM UTC

}// 138/140

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lars-erik

remix of d/22465 by u/lars-erik

function u(t) {

c.width|=0;q=3.14/180;x.translate(960,512)
for(i=0;i<5e3;i+=3){r=(5e3-i)*.22;a=S(t)*q*i;x.lineTo(C(a)*r,S(a)*r)}
x.stroke()

Apr 13 2021 4:14 PM UTC

}// 123/140

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Shifting spiral

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taupelink

remix of d/21652 by u/taupelink

function u(t) {

for(i=k=216;i--;x.fillRect(k*X,k*Y,i*p>>t,i*q>>t))f=i*t,X=f*f%9,Y=X*f%5,h=i/3*C(Y*S(p=Y*S(X-Y))|X*C(q=X*S(Y*2))),x.fillStyle=R(h,h*p,h*q,.1)

Apr 13 2021 1:44 PM UTC

}// 140/140

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d/22467

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lars-erik

remix of d/22464 by u/lars-erik

function u(t) {

c.width=1920;t*=.01;r=3.14/180;x.translate(960,512);
for(i=0;i<1440;i+=15.496)x.lineTo(C(r*(t+i)**2)*i,S(r*(t+i)**2)*i);
x.stroke()

Apr 13 2021 8:08 AM UTC

}// 131/140

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More newb spiraling fun. 😇

u/EliteDaMyth

for(c.width=1920,t*=.01,r=3.14/180,x.translate(960,512),i=0;1440>i;i+=15.496)x.lineTo(C(r*(t+i)**2)*i,S(r*(t+i)**2)*i) x.stroke() 129 bytes
u/EliteDaMyth

the space in above code is a newline/semi-colon
u/EliteDaMyth

the space before x.stroke()*
u/lars-erik

Cheers, u/EliteDaMyth. Learned quite a few tricks from the feedback today. 😁🙏

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vovanmozg

function u(t) {

  c.width |= 0

  for (i=0;i<64;i++)
    for (j=0;j<64;j++)
      if (1&t*2+7-i*35/8)
        x.fillRect(j*8+704,i*8+184,8,8);

Apr 11 2021 9:41 PM UTC

}// 128/140

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contone

function u(t) {

x.fillStyle=R(j=S(t)*255)
for(i=3e3;i--;x[v="fillRect"](i,p=j*3*S(t+S(i/96)),r=80,r),x[v](i,1e3-p,r,r))x.font="9cm'";x.fillText("🐓",800,600)

Apr 10 2021 6:11 PM UTC

}// 140/140

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battle against a chicken opponent

u/RubyPiec

terrifying

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contone

function u(t) {

f=frame
f<56?0:s=f%64>48
g=(f>>6<<6)+s*(f%64-48)*4
x.fillStyle=R(u=s?160:99-f%64,u,u)
x.fillRect(960-g,Y=300+f,g*2,f)

Apr 9 2021 4:27 PM UTC

}// 117/140

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stairway to nothing

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contone

function u(t) {

x.setLineDash([1,15,96,15,1])
x.beginPath()
x.lineDashOffset=S(t)*29
x.moveTo(0,0)
x.lineTo(S(f=frame)*2e3,C(f)*2e3)
f<900?x.stroke():0

Apr 8 2021 12:20 AM UTC

}// 135/140

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contone

function u(t) {

c.width=1920
for(i=-1;i++<143;)
x.font='2cm"',x.fillText("🐓",X=i%16*120,Y=~~(i/16)*120+100),
x.fillRect(X,Y-100,S(t*30/i)*120,120)

Apr 7 2021 6:04 PM UTC

}// 130/140

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chicken revelations

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magna

remix of d/22377 by u/magna

function u(t) {

eval(unescape(escape`砮晩汬却祬攽刨㤬〬㤬⸰ㄩ㭦潲⡩㴳攳㭩ⴭ㭸孠⑻琦㈿❣汥慲✺❦楬氧絒散瑠崨⵳⼲Ⱝ猯㈬猬猩⥘㵩☶㌬夽椾㸶ⱳ㵓⡴⬨堭㌲⤪⡙ⴱ㠩⼳㤩⨲〬砮獥瑔牡湳景牭⡫㵃⡁㵴⤬稽匨䄩Ⱝ稬欬堪㌰ⱙ⨳〩`.replace(/u(..)/g,"$1%")))

Apr 6 2021 10:19 PM UTC

}// 134/140

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