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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smtsjhr

remix of d/19721 by u/smtsjhr

function u(t) {

eval(unescape(escape`𭀽🐰🱰🐱𜀰𞠊𨰮𫱮𫑯𭑳𩑤𫱷𫠽𩐽🡰🐱𜀊𨰮𫱮𫑯𭑳𩑵𬀽𩐽🡰🐱𜀰𒡦𫱲𚁣𛡷𪑤𭁨𯀽𪐽𜀻𪐼𜠲𞐻𪐫𚰩𮱫🐨𜡥𜰫𞐹𚡃𚁴𚡩𛱰𚐩𚠮𞐹𜠪𚡩𞱸𛡬𪑮𩑔𫰨𞐶𜀫𪰪𤰨𨠽𪐪𣑡𭁨𛡐𢐯𜰩𛀵𝀰𚱫𚡃𚁢𚐩𯑸𛡦𪑬𫀨𙱥𭡥𫡯𩁤𙰩`.replace(/u../g,'')))

Aug 29 2020 8:07 PM UTC

}// 129/140

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*click to shock*

u/Xen

cool effect
u/smtsjhr

#interactive

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Xen

remix of d/15052 by u/KilledByAPixel

function u(t) {

t?x.drawImage(c,a=0,-4):A=[1]
for(i=3e3;i--;A[i]=382&2**(4*a+2*(a=!!A[i])+!!A[i-1]))
x.fillStyle=R(i*!a),x.fillRect(i*4,1e3,9,9)

Jul 21 2019 7:21 PM UTC

}// 128/140

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Taiji Proelium

u/Xen

#waitforit

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Axioplase

function u(t) {

c.width=g=2e3,a=S(t)
for(i=0;i<g;)X=0|i/9,Y=i++%9,A=X*C(t)-Y*a,B=X*a+Y*C(t),x.arc(1e3+A*((.5+a)*99),500+B*99,(1+S(t+X*Y))*30,0,t)
x.stroke()

Jun 11 2025 3:35 AM UTC

}// 140/140

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joeschmoeish

function u(t) {

c.width=1920
for(i=0;i<17;i++)
x.fillStyle=R(0, 0, 0, 1-i*0.06),
x.fillRect(140+C(t)*C(t)*i*100,540,50,-S(2*t-i/4)*200)

Aug 26 2021 1:31 PM UTC

}// 119/140

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rodrigo.siqueira

remix of d/33876 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=2e4;i--;x.fillRect(960+C(k=i)/Z,1.1*S(k)/Z+99,.1+.05/t,t<2))Z=S(i/5)/800/C(S(n=i/t)*T(i)^5)-C(n)/2e3/S(n)

May 29 2025 5:04 PM UTC

}// 136/140

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The Bearer of Light

u/cantelope

just sayin... https://srmcgann.github.io/sandbox/logo.mp4
u/joeytwiddle

#art

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xav

function u(t) {

c.width|=0;s=1;for(i=0;i<1080;i+=s){x.fillRect((i*t)%1920,i,8,8)}

Dec 27 2017 8:44 AM UTC

}// 65/140

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Blane

function u(t) {

w=c.width|=0;v="Falling Text";x.font="300px a";for(i=0;i<v.length;i++){x.fillText(v[i],i*w/v.length,600-9**(-5*t%20+i+4))}

Jan 23 2018 2:23 PM UTC

}// 122/140

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New_Core

function u(t) {

for(c.width|=i=90;i--;x.fill())x.beginPath(a=i%3),x.fillStyle=R(255-a*99),x.arc(960+400*S(b=t-~~(i/3)/4)+a*9,540+300*C(b*.7),30+a*20,0,7)

Jun 26 2020 12:22 PM UTC

}// 137/140

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Just messing around on my tablet, had nothing to do ;)

u/tomxor

#caterpillar
u/DaSpider

Amiga demos used this ostensively

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taupelink

remix of d/35621 by u/taupelink

function u(t) {

eval(unescape(escape`景爨洽琿〺㝥㌻洭ⴻ砮晩汬⠩⥸⹢敧楮偡瑨⡸⹦楬汓瑹汥㵒⡪㵭⨪⡰㴮㜫䵡瑨⹲慮摯洨⤯㔩ⱪⱪⱱ㵓⡭⤪⨲⼴〩⤬硛焾瀯㌳㼧牥捴✺❡牣❝⡘㵭┴ㄪ㐸Ɑ┲㌪㐸ⱪ⽱⨨匨堪焩⩃⡭⩭⤫匨洩⤪⨲⽰ⱪⱪⴳ⤠`.replace(/u([^D].)/g,'$1%')))

Jun 16 2026 7:54 PM UTC

}// 140/140

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Dusty Chalkboard Simulator 2026 - free to play!

u/taupelink

d/35629 - draws 7K shapes just once - refresh for a slightly different version
u/taupelink

Young people may need to ask their parents what a "chalkboard" was.....

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chunnoo

remix of d/180 by u/chunnoo

function u(t) {

x.beginPath();r=512;p=20*Math.PI*t;x.moveTo(r*C(p-1)+960,r*S(p-1)+540);x.lineTo(r*C(t)+960,r*S(t)+540);x.stroke();

Jun 8 2016 6:02 PM UTC

}// 114/140

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