Dwitter - javascript demos in 140 characters

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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username

remix of d/3035 by u/artfarnaa

function u(t) {

 for (c.width|=a=142;--a;x.arc(966+S(G+t)*400,
 540+C(t+G*1)*400,a%2*137*Math.abs(S(t))*4,0,
 6.2832))x.moveTo(G=a/2|0,0)
 x.fill('evenodd')

Jun 4 2019 3:30 PM UTC

}// 140/140

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#randomremix nr. 5

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SuperFromND

remix of d/3234 by u/artfarnaa

function u(t) {

for(i=(w =c.width=1e3),x.fillRect(0,0,w,w);i--;)x.clearRect(w/2+T(p=(q=T(i)%t*75)/(2/5)+t)*q,275+C(p*(1))*q,5,2)

Jun 2 2019 8:04 AM UTC

}// 112/140

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Distortion

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KilledByAPixel

remix of d/14319 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩑶𨑬𚁬𫱣𨑬𤱴𫱲𨑧𩐮񉐩𞱒👥🐾𚁲𧠽𬠼🀳𛁲𧠽𬠾🠲𛁲𙐱𩐵𚐻𭀿𫱮𪱥𮑤𫱷𫠽𩐽🠨𤀽𤠨𫐽𤠨𠐽𤠨𣀽𤠨𩠽𚁒𚁲👥𛡫𩑹𠱯𩁥𚠹𞐩𚐯𜡅𝠩𛰴𚐪𣀯𜑥𝐩𛰲𡐸𚐬𪐿𪐽𜐺񉐨𡠽𧰽🡖👩🡌🰰𞡃𚁩𚰫𚡦𚡃𚁩𚡭𚱐𚐩𚠨𪐼𠐿𪐯𠐺𜐭𚁩𛑁𚐯𚁌𛑁𚐩𛰲𚐩𞡩🐰`.replace(/u../g,'')))

Jun 3 2019 3:55 AM UTC

}// 140/140

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♫ ZzFX Mini ♫ Requires #DAP d/14319 ~ Click the canvas to activate. Each key on the keyboard plays a different sound effect.

u/KilledByAPixel

This is a Dwitter sized version of my open source ZzFX Zynth - https://github.com/KilledByAPixel/ZzFX

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katkip

remix of d/14381 by u/LimeLaser

function u(t) {

r=Math.random
with(x){
fillStyle=R(255*r(),255*r())
fillRect(t*99,0,8,899)
t||translate(960,540)
rotate(3.1416*2/3)
drawImage(c,0,0)}

Jun 3 2019 3:44 PM UTC

}// 133/140

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KilledByAPixel

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡩㴰㭩㰲㔵㭦楬氨❥癥湯摤✩⥢敧楮偡瑨⡸⹦楬汓瑹汥㵒⡱㴱㈷⨨ㄫ匨琪㈭椯㌲⤩ⱱⱱ⤩Ⱳ散琨〬〬㉥㌬㉥㌩ⱺ㴨椿㔰⭩㨰⤪⨲⨮〳Ⱳ散琨㤶〭稯㈫㤹⩓⡩⼲㤭琪㈩ⰹ㤪匨椫⬯㈭琪㌱⤭稯㈬稬㈵〫稩`.replace(/u(..)/g,"$1%")))

Jun 5 2019 3:52 AM UTC

}// 140/140

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Climbing The Wavy Staircase

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LimeLaser

function u(t) {

with(x){font="300pt arial"
translate(960,540)
rotate(t)
fillStyle=`HSL(${60*t},100%,50%)`
fillText(100,400*S(t),100)
translate(-960,-540)}

Jun 3 2019 11:53 PM UTC

}// 138/140

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Help Me Reach 100 Points And Achieve Immortality (Please)!

u/Xen

done
u/LimeLaser

Thank you :)

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LimeLaser

function u(t) {

r=Math.random
with(x){
fillStyle=R(255*r(),255*r())
fillRect(1e3*r(),0,8,8)
save()
translate(960,540)
rotate(t)
drawImage(c,0,0)
restore()}

Jun 2 2019 7:28 AM UTC

}// 139/140

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Cool Spinning Glitch

u/LimeLaser

I'm not really sure why it does this, but I got this effect while trying to rotate and draw the canvas onto itself.
u/katkip

its because drawimage

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MAxSaL

function u(t) {

k=400+T(t)*9;for(c.width^=200,x[l='fillStyle'],x[r='fillRect'](0,0,2e3,2e3),i=9;i--;x[r](500+i*99+S(t)*300+S(t*99)*5,k,50,200%k))x[l]='#6F1'

Jun 3 2019 8:06 PM UTC

}// 140/140

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Extra glitch

u/MAxSaL

Remix of https://www.dwitter.net/d/14379
u/Xen

#glutch

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metamero

function u(t) {

throw eval((!''+u)[-''])

Jun 3 2019 6:57 PM UTC

}// 24/140

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u/Xen

stop throwing evil! lol

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Tesseract

remix of d/8221 by u/Tesseract

function u(t) {

t||(p='m 912 400',d=a=0)
g=y=>y&3^1?~y&1:g(y/4)
x.lineWidth=3
a+=((d&1)-2)*g(d++/2)+1
x.stroke(new Path2D(p+=["h-9","v9","h9","v-9"][a&=3]))

Jun 1 2019 4:36 AM UTC

}// 140/140

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Space filling curve

u/Xen

love it