Dweets awesomed 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

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

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/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/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

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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Purpzie

remix of d/10234 by u/Purpzie

function u(t) {

for(a=0,F=[b=1,1];a++-20;)F.push(b+=F[a-b])
x.font='99px"'
x.fillText(F.join(' '),0,500)

Oct 8 2018 5:04 PM UTC

}// 88/140

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Even shorter, it's 43 characters now (the top line only). Output is the array F.

u/yonatan

for(a=0,F=[b=1,1];a++-20;)F[a+1]=b+=F[a-b]
u/Purpzie

Oh, thank you! That's even shorter

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Purpzie

remix of d/10207 by u/Purpzie

function u(t) {

'‮';for(i=64;i--;)x.fillStyle=`hsl(${i*5+t*30} 60%${S(t*3)*25+50}%`,x.fillRect(i*30,S(4*t+3*i)*99,20,99);x.drawImage(c,S(t)*5,5+(0|C(t))*5)

Oct 4 2018 8:07 PM UTC

}// 139/140

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same as before but now it's WITCHCRAFT.

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Purpzie

remix of d/10210 by u/Purpzie

function u(t) {

r=[0,1];for(i=2;i<1e3;i++)r.push(r[i-1]+r[i-2])
x.font='99px"'
x.fillText(r.join(' '),0,500)

Oct 3 2018 8:31 PM UTC

}// 92/140

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Fibonacci sequence! Only 46 characters are actually used to generate it, feel free to modify it or use it in your own dweets.

u/donbright

awesome

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Purpzie

remix of d/2168 by u/jczimm

function u(t) {

with(x)t<9&&beginPath(fill()),fillStyle=R(S(t*23)*127+99,0,99),arc(960+T(t*10)*50,540+S(t/2)*30,t*30,t*15-1,t*15)

Oct 3 2018 7:48 PM UTC

}// 113/140

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feathery paint strokes

u/donbright

cool

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Purpzie

function u(t) {

for(i=2e3;i--;)with(x)strokeStyle=`hsl(${i/9+t*99} 99%50%)`,beginPath(),moveTo(i,0),lineTo(i,2e3),stroke()

Oct 3 2018 4:43 PM UTC

}// 106/140

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