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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Current theme challenge: #Food

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rodrigo.siqueira

remix of d/29189 by u/rodrigo.siqueira

function u(t) {

for(t?Y++:Y=0,X=3e3;X--;x.fillRect(X,Y,1,f(X/960-1,Y/1e3-1)))f=(a,b,n=0)=>b?f(a*a-b*b+.3,a*b*4,n*1.2+3):(x.fillStyle=R(n/7,n/29),C(n)**2+.7)

Dec 27 2023 10:23 PM UTC

}// 140/140

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Dragon egg #fractal

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katkip

remix of d/9235 by u/DataMeta

function u(t) {

with(x)for(i=50;i--;beginPath(fill()))x.fillStyle=R(o=i*t,o,o),arc(960+i*C(T(i))*i,540+i/t*T(C(i-t))*i,256/t,0,7);x.drawImage(c,-t,0)

Aug 15 2018 7:59 AM UTC

}// 133/140

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u/Qwitter

i felt this adventure

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andrea270872

function u(t) {

x.strokeStyle='#531'
x.lineWidth=C(t*7)
for(i=12;i-->0;x.beginPath()){x.arc(i*170+13*C(t),i%3*460,((t+i)%4)**4,0,7);x.stroke()}

Feb 10 2020 6:53 PM UTC

}// 127/140

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Petri Dish growth v0.6

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dogspace

function u(t) {

x.fillStyle='red'
if(!t)x.fillRect(0,400,2,400)
x.globalCompositeOperation='difference'
x.drawImage(c,2,S(t))
x.drawImage(c,2,C(t))

Feb 16 2018 5:21 AM UTC

}// 131/140

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u/Xen

nice effect

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KilledByAPixel

remix of d/22480 by u/KilledByAPixel

function u(t) {

with(x)w=99/(.1+t),fill(arc(X=Math.random(beginPath(globalCompositeOperation='difference'))*2e3,X*X%2e3,w,0,-7,fillStyle=R(X%=500,X/3,X/2)))

Apr 17 2021 7:28 PM UTC

}// 140/140

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Difference Spaces

u/taupelink

nice!
u/DataMeta

love it
u/magna

Pretty!

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ciaccodavide

remix of d/20669 by u/tomxor

function u(t) {

c.width|=1
w=30+S(t)*15
for(i=8320;i--;)
x.fillRect(w*(X=i&127),w*(Y=i>>7),
w*(k=S(8*t+X*X+Y*Y+X*Y)+.5),w*k)

Nov 18 2020 9:17 AM UTC

}// 108/140

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rep_movsd

function u(t) {

eval(unescape(escape`𭁼𯀨𮀮𩡩𫁬𤡥𨱴𚁘👙🐰𛀰𛁏🐲𩐳𛁏𚐬𪰽𣑡𭁨𛡲𨑮𩁯𫐩𒡦𫱲𚁸𛡲𫱴𨑴𩐨𤀽𣰩𛁡🐭𜐮𜠴𛁣🐭𪰨𚐬𩀽𪰨𚐬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𩀪𤀬𪰨𚐪𤀬𪰨𚐪𤀬𛠸𚐬𪐽𣰻𛐭𪐻𚑸𛡦𪑬𫁒𩑣𭀨𦀪𣰬𦐪𣰬𜠬𜠩𛁛𦀬𦑝👛𤰨𨐪𦐩𚱣𚡃𚁡𚡘𚐬𤰨𛑣𚡘𚐫𩀪𠰨𛑣𚡙𚑝`.replace(/u../g,'')))

Nov 11 2021 4:41 PM UTC

}// 140/140

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Chaotic Galaxies

u/rep_movsd

#fractal #chaos #space
u/rep_movsd

Based off of the Clifford attractor

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nikoloffgeorgi

function u(t) {

!t&&c.parentNode.append((d=c.hidden=c.cloneNode(),b=d.getContext('webgl'),b.viewport(0,0,1,1),b.clearColor(1,0,0,1),b.clear(0x000004000),d))

Jul 22 2020 9:01 PM UTC

}// 140/140

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paint with webgl

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u/IV

a webgl that does something, and leaves 39 chars to play with
u/IV

whoops, meant to put that in the remix note, then the remox failed, bad day ;)
u/IV

here we go; https://www.dwitter.net/d/19511
u/nikoloffgeorgi

u/IV that's really cool. i wonder if anything beyond animating the color uniformly can be done within 140 chars
u/IV

This is 140 chars. If you can mix it with your moving cubes code and golf it down, youre winning! t||c.replaceWith(g=c.cloneNode());i=t|0; with(c.getContext('webgl'))(enable(0x0C11),scissor(i,i,i,i),clearColor(C(t),S(t),t,1),clear(16384))
u/IV

u/nikoloffgeorgi I did this: d/19541, (but I cant do comments properly yet) Your turn!

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ArthurThuczsec

remix of d/25534 by u/f8f82804

function u(t) {

with(x)for(i=s=311;--i;)fill(arc(s*(A=S(a=i/9))*S(b=t+i)+960,220*(A*C(b)-C(a)+2),i,!beginPath(fillStyle=`hsla(${i*t},90%,${99-i/2}%,.2`),9))

May 24 2022 1:06 PM UTC

}// 140/140

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u/andrea270872

very nice. reminds me of the old Star Trek special effects! cool

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lewdev

remix of d/34376 by u/lewdev

function u(t) {

b=t*5%12
i=~~(t*5/12)%9
x.font="2in'"
x.fillText([..."🃏🎴"][i%2],b/3%9*(i>3?-300:300)+i*200,1050-1/b*Math.abs(S(b))*900+i)

Oct 10 2025 2:35 AM UTC

}// 121/140

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🃏🎴 Solitaire win screen! Credit to u/DasSchafImWolfspelz in d/4368

u/joeytwiddle

Great #tribute! #solitaire
u/ximavus

nice!