Hot dweets by u/Purpzie

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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Purpzie

function u(t) {

for(i=1920;i-=a=10;)x.fillStyle=R(r=S(t**5+i)<0?255:0,r,r),x.fillRect(i,0,a,a);x.drawImage(c,0,a)

Oct 15 2018 7:43 PM UTC

}// 97/140

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woven

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Purpzie

remix of d/10401 by u/rbong

function u(t) {

c.height|=p=m=>(S(Y+t+m*90)+1)*250;for(i=108;i--,Y=(0|i/4)*40;a<b&&x.fillRect(a,Y,b-a,40))x.fillStyle=R(a=p(m=i%4),50,b=p(m+1%4))

Oct 15 2018 6:40 PM UTC

}// 129/140

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Shortened by 11 characters (plus a color change)

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Purpzie

remix of d/10505 by u/Purpzie

function u(t) {

for(r=Math.random,i=1e3;i--;x.fillRect(X,Y,25,25))X=r()*2e3,Y=r()*1e3,x.fillStyle=`hsl(${(S(t-X/1e3)+C(t-Y/99))*(S(t)*300)} 99%70%)`

Oct 16 2018 5:08 PM UTC

}// 132/140

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i love messing with coordinate-based color

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Purpzie

remix of d/10475 by u/Purpzie

function u(t) {

for(r=Math.random,i=1e3;i--;x.fillRect(X,Y,25,25))X=r()*2e3,Y=r()*1e3,x.fillStyle=`hsl(${(S(t-X/1e3)+C(t-Y/99))*250} 99%70%)`

Oct 16 2018 5:02 PM UTC

}// 125/140

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Purpzie

function u(t) {

for(i=2e3;i--;x.fillRect(t*Math.random()*100,i,9,9))x.fillStyle=`hsl(${i/4+t*50},90%,50%)`

Oct 12 2018 8:05 PM UTC

}// 90/140

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Purpzie

remix of d/10296 by u/Purpzie

function u(t) {

with(x)for(i=32;i--;beginPath(r=Math.random,arc(r()*500+750,r()*500+300,i*9*(1+C(t)),0,9),fill()))fillStyle=`hsla(${t*99+i*9},99%,50%,.01)`

Oct 11 2018 5:06 PM UTC

}// 139/140

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wanted to use (1+S(t)*C(t)) instead of (1+C(t)) but oh well

u/magna

Shaved you some characters and added the +S(t): d/10329

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Purpzie

remix of d/10292 by u/Purpzie

function u(t) {

for(i=1e3;i--;x.fillRect(960+S(i**9)*500*S(t),540+C(i)*500*C(t),9,9))x.fillStyle=`hsl(${t*50} 99%75%)`

Oct 9 2018 5:47 PM UTC

}// 102/140

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u/katkip

looks nice

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Purpzie

remix of d/10106 by u/Purpzie

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡲㵮㴾䵡瑨⹲慮摯洨⤪㔰〭㈵〫測椽㌲㭩ⴭ㭢敧楮偡瑨⡡牣⡲⠹㘰⤬爨㔴〩Ⱪ⨱㘪⠱⭓⡴⤪䌨琩⤬〬㜩ⱦ楬氨⤩⥦楬汓瑹汥㵠桳污⠤筴⨹㤫椪㥽ⰹ㤥ⰵ〥Ⱞ〱⥠`.replace(/u(..)/g,"$1%")))

Oct 9 2018 8:13 PM UTC

}// 123/140

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u/joeytwiddle

In 139, with a few compromises: with(x)for(r=Math.random,i=k=512;i-=32;beginPath(arc(704+k*r(),284+k*r(),i+i*S(t)*C(t),0,7),fill()))fillStyle=?hsla(${t*99+i},99%,50%,.01)?
u/Purpzie

Hm, Unexpected token ?
u/Purpzie

Managed to shorten it to with(x)for(r=Math.random,i=32;i--;beginPath(arc(r()*500+750,r()*500+300,i*9+i*9*S(t)*C(t),0,9),fill()))fillStyle=hsla(${t*99+i*9},99%,50%,.01)

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Purpzie

remix of d/10294 by u/Purpzie

function u(t) {

for(x[s='fillStyle']='#0021',x[r='fillRect'](0,0,2e3,2e3),i=1e3;i--;x[r](960+S(i**9)*850*T(t),540+C(i)*550,13,13))x[s]=`hsl(${t*99} 99%75%)`

Oct 11 2018 6:54 PM UTC

}// 140/140

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Purpzie

function u(t) {

for(i=150;i--;x.fillRect(960+S(i**9)*500*S(t),540+C(i)*500*C(t),9,9))x.fillStyle=`hsl(${t*50} 99%75%)`

Oct 9 2018 5:41 PM UTC

}// 102/140

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