Random dweets | Dwitter

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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robbyg

function u(t) {

c.width|=0
x.translate(w=960,h=540)
for(i=9;i--;)x.rotate(S(i+t)/3),x.fillRect(i*99+S(t)*300-480,-99,50,200)
x.translate(-w,-h)

Sep 28 2018 2:33 PM UTC

}// 127/140

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Drunken #default

u/sigveseb

niiiice
u/f8f82804

the last line isn't needed; resettting the width also clears any transform
u/f8f82804

103: c.width|=0;x.translate(960,540);for(i=9;i--;x.fillRect(i*99+S(t)*300-480,-99,50,200))x.rotate(S(i+t)/3)

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username

remix of d/13264 by u/username

function u(t) {

for(i=c.width|=h=7e4/2e4;q=--i%3-1,a=q?i:i*h+h/2;x.fillRect(960+S(a+t)*800/r/z,540+(q||T(i))*800/z,s=70/z/z,s))r=S(a%h),z=4+C(a+t)/r,z*=z>1

Apr 16 2019 11:00 PM UTC

}// 139/140

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spirals

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E-Mouse

remix of d/10154 by u/E-Mouse

function u(t) {

x.fillRect(t/2*100,0,2e3,1e3)
for(i=0;i<8;i++)
x.clearRect(-C(t/2*i)*2e3,20+(i*120),2e2,1e2)

Sep 30 2018 11:22 AM UTC

}// 92/140

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firegodjr

remix of d/8668 by u/firegodjr

function u(t) {

x.rect(0,0,j=2e3,j)
with(x)for(i=1e3;i--;beginPath())fillStyle=`hsla(${i},99%,50%,5%`,arc(S(t+i/50)*i+960,C(t*2+i/50)*i+540,i/7,0,7),fill()

Jun 21 2018 2:30 AM UTC

}// 139/140

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u/magna

It's a wrap. No need for more dweets. This is delicious!
u/magna

#spiral

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taupelink

remix of d/27202 by u/taupelink

function u(t) {

eval(unescape(escape`景爨椽㐲〬欽㄰㠻椭⴦♴㰮㜻砮晩汬⠩⥸⹢敧楮偡瑨⡸⹦楬汓瑹汥㵒⡰㵩籫ⱰⱰⱴ⨪琯㠰⤩ⱸ⹡牣⡘㴲〴⭩┱㔪欬夽㈪欫⡩⼱㕼〩┷⩫ⱬ㵫⽴⨪琬樽椪㈸⭴ⱪⴴ⭴⤬氭㴶〬砮獴牯步剥捴⡘⵬ⱙ⵬ⱬ⨽㈬氩`.replace(/u([^D].)/g,'$1%')))

Mar 17 2023 6:37 PM UTC

}// 140/140

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d/27219

u/Jezza

Oh I love this! It's quite art deco.

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aaaaaz

function u(t) {

s=()=>S(t*9e9*C(t*8))*.5+.5
v=2e3
i=!t?0:++i%2
x.fillStyle=i?'#000':'#FFF'
x.fillRect(s()*v,0,s()*v,9)
x.drawImage(c,-9,0,v+9,v,9,9,v-19,v)

Sep 11 2020 1:00 AM UTC

}// 140/140

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#storm

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keithclark

function u(t) {

for(a=1e4,c.width=$=127,J=S(t/=2)/7;a--;'p}¶¼<¼¶}p'.charCodeAt($+Y*C(t)-X*J&15)>>(X*C(t)+Y*J+$*t)%15&1&&x.fillRect(X,Y,1,1))X=a&$,Y=a>>7

May 3 2017 1:18 PM UTC

}// 138/140

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rotozoomer

u/p01

:)
u/p01

Save 4 bytes using
u/p01

x.fillRect(X,Y,1'p}¶¼<¼¶}p'.charCodeAt($+Y*C(t)-X*J&15)>>(X*C(t)+Y*J+$*t)%15&1)

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Xen

remix of d/21853 by u/danny@hille.dk

function u(t) {

t?i=2e3:c.width=w=56
for(;i--;x.fillRect(X*S(t)+30,Y*C(t)+16,1,1))m=S((Y=i/w)/3+t^i+T((X=i%w))),x.fillStyle=R(k=m*i,-k,k/m)

Mar 7 2021 9:12 PM UTC

}// 123/140

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another remix

u/danny@hille.dk

check out this remix 89 b-> for(t?i=768:c.width=w=32;i--;x.fillRect(X,Y,1,1))x.fillStyle=R(Y=i>>5,X=i%w,S(X^t*w-Y)*i)

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atsn

function u(t) {

for(v=i=1e4;i>0;x.fillRect(960+S(i)*i/9,540+C(i/(C((Math.abs(10-t%20))*.01)+1))*i/9,2,2),i-=(1+C(t/9)/9))x.fillStyle=R(0,C(t*9)*v)

Aug 26 2018 5:00 AM UTC

}// 130/140

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lewdev

remix of d/33107 by u/Agnes

function u(t) {

for(x.fillRect(0,0,W=c.width|=p=0,W),j=9;j--;)for(i=W;--i;x.clearRect(i,300+9*S(t+.4*(p+=D+.1))+j*50,1,4))D=(O=i-300*S(t)-500)%99>50&&O<900

Jan 24 2025 9:09 PM UTC

}// 139/140

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#default line traveller (with more lines!)