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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zanella

remix of d/10234 by u/Purpzie

function u(t) {

c.width|=0
r=[0,1];for(i=2;i<1e3;i++)r.push(r[i-1]+r[i-2])
x.font='99px"'
x.fillText(r.join(' '),-200*t,500)

Oct 4 2018 5:41 PM UTC

}// 108/140

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Bring back the marquee tag!! #90s

u/donbright

i really like this one for some reason i cant quite put my finger on

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Kwandes

remix of d/22180 by u/Kwandes

function u(t) {

for(i=0;i<9;i++){
 x.fillStyle=`hsl(${30*(t%16*9)},90%,50%)`
x.beginPath()
x.arc(t%i*400, S(t)*999, 50, 0, 2 * Math.PI)
x.stroke()
x.fill()}

Mar 28 2021 2:23 PM UTC

}// 140/140

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The Windows XP paint tentacles: now in RGB

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ArthurThuczsec

remix of d/24498 by u/Joachim

function u(t) {

eval(unescape(escape`𩠽𚁘𛁙𛁗𛁈𚐽🡸𛡦𪑬𫁒𩑣𭀨𦀪𞀬𦐪𝐬𥰬𢀩𒡦𫱲𚁸𛡦𪑬𫁓𭁹𫁥🐢𨡬𭑥𘠬𩠨𜀬𜀬𪐽𜡥𜰬𪐩𞱩𛐭𞱦𚁩𙐳𝀪𞐭𠰨𭀩𚠲𞐭𜠹𛀷𞐫嵮𚁩𛰳𝀩𚠹𛐹𚡾勺𤰨𚁩𚡩𚐥𜰴𚐪𜠩𛀷𜰬𝀵𚐩𮀮𩡩𫁬𤱴𮑬𩐽𪐼𜰴🰧𘰰𝰰𙰺𨁨𬱬𚀴𜀠𞐹𙐤𮰳𜀫𤰨𪐪𪐩𚠹𯐥𚑠`.replace(/u../g,'')))

Dec 13 2021 6:31 PM UTC

}// 139/140

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f8f82804

remix of d/9667 by u/corruptio

function u(t) {

eval(unescape(escape`楦⡴┷㰮〱⥦潲⡡㵮敷⁁畤楯䍯湴數琬猽〬椽㈸㭦㴹㤯⸹㔪⨧㈲㈵㔹㤷㜵㐴㔷㤹㔲㈴㔷㜵㐹㤧嬭⵩ⴱ崬椻⥷楴栨湥眠佳捩汬慴潲乯摥⡡ⱻ晲敱略湣示晽⤩捯湮散琨愮摥獴楮慴楯温ⱳ瑡牴⡳⤬獴潰⡳⬽⡦⼴簰⤯昩`.replace(/u(..)/g,"$1%")))

Sep 6 2018 10:18 PM UTC

}// 140/140

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Tetris! #audio #music -- remixed to stop after one repeat if you scroll away

u/f8f82804

if(t%7<.01)for(a=new AudioContext,s=0,i=28;f=99/.95**'222559977544579952245775499'[--i-1],i;)with(new OscillatorNode(a,{frequency:f}))connect(a.destination),start(s),stop(s+=(f/4|0)/f)
u/f8f82804

#halting #no-clicking
u/384.cz

#tetris

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rodrigo.siqueira

remix of d/33908 by u/KilledByAPixel

function u(t) {

with(x)for(K=b=29;b--;fill())for(A=b%9*240,B=K*b,stroke(),beginPath(strokeStyle=R(A,B/2)),i=6;i--;lineWidth=6)arc(A,A,3*B,a=i*8.8+t-1/t,a)

Jun 5 2025 9:00 PM UTC

}// 138/140

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Star rotation

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Cloud

function u(t) {

for(c.width|=i=11;i--;)a=((S(t)+1)*450),w=100*i-a,w=w>0?w:0,x.fillStyle=i%2?"#fff":"#000",x.fillRect(960-w/2,540-w/2,w,w)

Apr 17 2020 7:50 AM UTC

}// 121/140

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Idea: https://www.dwitter.net/d/18270

u/doughno

oh, nice

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parabola

remix of d/24461 by u/farter

function u(t) {

for(i=1,l=t<<4,u=3.1416/l;i<l;i++)for(j=1;j<l;j++)k=l-i-j,k>0&&(
z=960/(1/T(u*i)+1/T(u*j)),r=48/l,x.fillRect(z-r,60+z/T(u*i)-r,r+r,r+r)
)

Dec 7 2021 5:51 PM UTC

}// 137/140

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u/magna

Awesome!

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ciaccodavide

remix of d/20399 by u/ciaccodavide

function u(t) {

r=100+S(t)*40
w=(c.width=1920)-2*r
h=1080-2*r
m=l=>r+Math.abs(l-t*h%l*2)
x.arc(m(w),m(h),r,0,9)
x.fill()
x.rect(0,0,w+r*2,h+r*2)
x.stroke()

Oct 26 2020 2:34 PM UTC

}// 139/140

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Size Changing Bounded Bouncing Ball

u/ciaccodavide

This one is a bit buggy...

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kamadora

function u(t) {

c.width=1920; /* clear the canvas */
  for(i=0;i<9;i++)
  x.fillRect(400+i*100+S(t)*400, 400, 50, 200) /* draw 50x200 rects */

Mar 23 2017 11:13 PM UTC

}// 126/140

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lcfrdvx

function u(t) {

for(i=0;i<60;i++){x.setTransform(1,0,C(t*0.5%Math.PI),1,0,C(i+t*10)*10);x.fillStyle=`hsl(${t*10},90%,60%)`;x.fillRect(860,300+i*10,10,10)}

Apr 25 2018 8:38 AM UTC

}// 138/140

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