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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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farnasirim

remix of d/28056 by u/farnasirim

function u(t) {

i=T=1920;M=Math;while(i-=96){X=(i-T/2)/100 + t;x.fillRect(i*(1+S(t)),C(t)*-M.floor(X)*(C(t)*S(t)*3*M.log(M.abs(X)))*10+540,S(t)+1,C(t)+1)}

Jun 26 2023 4:17 PM UTC

}// 138/140

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u/cantelope

AI

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farnasirim

remix of d/28054 by u/farnasirim

function u(t) {

i=T=1920;
M=Math;
while(i-=48) {
  X=(i-T/2)/10;
  x.fillRect(i*(1+S(t)),C(t)*-M.floor(X)*M.log(M.abs(X+t))*10+1080/2,S(t)*t+1,C(t)+1);}

Jun 26 2023 4:05 PM UTC

}// 136/140

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u/cantelope

AI

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Xen

remix of d/28043 by u/KilledByAPixel

function u(t) {

t?c.width|=onmouseup=>V=(W=E.y/3-Y/9,E.x*3-X):X=Y=V=W=99
x.fill(x.arc(X+=V*=(X+V-960)**2<7e5?1:-.8,Y+=W*=(Y+W-530)**2<2e5?1+1/W:-.8,99,0,9))

Jun 26 2023 4:04 PM UTC

}// 140/140

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golfed to fit

u/KilledByAPixel

i think you broke the mouse control for this one
u/Xen

me too :-( think its when the ball stops

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farnasirim

function u(t) {

T=c.width=1920;
M=Math;
for(i=0;i<T;i++) {
  X=(i-T/2)/100;
  x.fillRect(i*(1+S(t)),C(t)*-M.floor(X)*M.log(M.abs(X))*100+1080/2,S(t)*t,t);}

Jun 26 2023 3:47 PM UTC

}// 139/140

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u/Xen

welcome to the dwitter family!
u/cantelope

AI

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rodrigo.siqueira

remix of d/28017 by u/rodrigo.siqueira

function u(t) {

for(i=c.width|=0;i--;x.lineTo(X-w,Y+w/i-w*S(t)/4+w))for(Y=w=1;w<400;w*=3)A=(i+t*w)%w-w/2,X=i*9+A*C(D=1-A*A/w/w*4)-A,Y-=A*S(D)
x.fill()

Jun 23 2023 2:09 PM UTC

}// 134/140

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Tide rises and falls #waves

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helpe30

function u(t) {

c.width=1920
for(i=0;i<999;i++)
x.fillRect((400+i*10+S(t)*10000-i/10000-S(t))-3600,400,S(C(T(t)))*5,S(C(T(t)))*20) // draw 50x200 rects

Jun 18 2023 1:52 AM UTC

}// 135/140

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first functional dweet

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jasnh

remix of d/26297 by u/jasnh

function u(t) {

t?0:q=9;p=[],F=(a)=>x.fillRect(a%q*9,(a/q|0)*9,9,9),c.onclick=e=>{f=d=i=1;q++;for(c.width+=0;f?i<1e5:f=d=i;i++,f--)(p[i]=!p[i-d])?F(i):0}

Jun 3 2023 3:17 PM UTC

}// 137/140

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wrapping that sequence in all the aspect ratios

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Ohead

function u(t) {

for(a=0;a<9999;)x.fillRect((b=(t*.001+1)**(a++))%1920,b/1920,1,1)

Jun 2 2023 12:31 AM UTC

}// 65/140

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Gradient-O-Tron

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Xen

remix of d/27519 by u/deobfuscate

function u(t) {

for(i=40;i--;x.fillRect(89*i,T(i/4+t*5)*360+500,99,9))x.fillStyle=`hsl(${9*t+i*t},70%,50%,.1`

May 13 2023 4:13 PM UTC

}// 93/140

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The Wondering Void

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Zeta2391

function u(t) {

for(t*=5,h=4e3,i=g=0;i++<h;)x.fillStyle=`hsla(${t+i/4},8%,5%,.2)`,x.fillRect(t+Math.cos(i/3-t)*g,540+Math.sin(i/3-t)*g,4,4),g+=Math.sin(t)*1

May 12 2023 1:14 PM UTC

}// 140/140

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