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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patorick1

function u(t) {

for(i=0;i<50;i++){for(j=0;j<200;j++){
r=Math.floor(Math.random()*255)
x.fillStyle=R(i,r,255-i*4+j,0.5)
x.fillRect(j*12,i*12,12,12)
}}

Jan 7 2023 10:56 PM UTC

}// 133/140

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first attempt

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mxfh

remix of d/2442 by u/mxfh

function u(t) {

c.width|=b=50
h=S(t)
for(e=6.283;e>0;x.lineTo(d*C(e-=.01)+h*(C(e)+T(e/3+t/T(e)))+960,d*S(e+S(t)/9)-h+540))d=420
x.fill("evenodd")

Jan 22 2019 11:44 PM UTC

}// 129/140

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u/Xen

NICE! :-)
u/katkip

Haha
u/magna

#glitch
u/mxfh

this one doesn’t even need the fillrule. Was just looking into other cycloids and Lissajous figures, only to end up with a circle.

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robbyg

function u(t) {

w=2e3,x.fillRect(0,0,w,w);for(a=c.d=c.d||[...Array(w)].map((y,i)=>Math.random()*w),i=0;i<w;i++)x.clearRect(a[i]+C(a[i]+t)*15,(i+t*60)%w,5,5)

Feb 1 2018 3:04 PM UTC

}// 140/140

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Remix of https://www.dwitter.net/d/5404 (with a deleted step in between).

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miratcan

remix of d/22827 by u/miratcan

function u(t) {

for(i=0;i<19;i++)
x.fillRect(t*100-(i<<6),(i<<6)+S(1-t)*50,2,(S(t)+2)*8)

May 21 2021 8:44 AM UTC

}// 72/140

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Ink Land

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f8f82804

remix of d/16585 by u/f8f82804

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁘👷🐱𞐲𜀻𦀭🐱𝠻𨡥𩱩𫡐𨑴𪀨𩡩𫁬𚁡𬡣𚀰𛀰𛁷𛰸𛀰𛀷𚐩𚐩𬱥𭁔𬡡𫡳𩡯𬡭𚁡👃𚁳👘𛰹𞐭𭀩𛁢👓𚁳𚠳𚐬𛑢𛱃𚁴𛰳𛑳𚐬𨐯𤰨𭀪𜠩𛁘𛀵𝀰𚐬𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱘𛱷𯑴𭑲𫠬𞐵𙐬𝐰𙐩𨀬𩱬𫱢𨑬𠑬𬁨𨐽𛠰𜐻`.replace(/u../g,'')))

Nov 8 2019 10:31 PM UTC

}// 131/140

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#messy #rainbow

u/DaSpider

Somehow the compressed tweet shows as longer than the uncompressed code, and oth exceed 140 characters?! 😕
u/f8f82804

There's a mismatch in the way that characters are counted -- this compressor uses 32-bit characters which are counted as 2 bytes in the front end, but are counted as 1 by the back end. I think there's an issue on the Dwitter GitHub where u/lionleaf has some comments about why.
u/Cloud

#gradient

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ciaccodavide

remix of d/14505 by u/simonmkwii

function u(t) {

for(x.fillRect(0,0,i=640,i);z=--i**.3;x.fillStyle=R(0,500/--z))x.setTransform(s=20/z+S(t),0,0,s,0,0),x.fillText('*',i%z*99-C(t),t++%z*60)

Dec 30 2020 3:42 PM UTC

}// 137/140

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command line #snowflake

u/andrea270872

Matrix Xmas :D Very cool!

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katkip

function u(t) {

z=(a,b)=>C(a*a+b)<0?S(a*b/5):z(1.5*b-a,.4-a);t||(w=0);for(v=9;v--;++w)for(i=1080;i--;)x.fillStyle=R(z(i/990,w/999)*500),x.fillRect(w,i,1,1)

Dec 29 2019 3:49 PM UTC

}// 139/140

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I would like to understand how this works. I made just a random recursive formula and the result is too beautiful! #recursion is awesome

u/katkip

#slow #scanline #fractal
u/poetaster

a rose by any other name is still a rose by any other name is

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ciaccodavide

function u(t) {

x.beginPath()
x.lineWidth=20
x.strokeStyle='hsla('+9*t%360+',99%,60%,.4)'
f=a=>x.lineTo(i%1920,i%1080)
f(),f(i+=99)
x.stroke()}{i=0

Jan 21 2021 10:02 AM UTC

}// 131/140

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Bouncing lines

u/ciaccodavide

#noloop

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andrea270872

function u(t) {

c.width|=K=39
u=t%9-4
v=t/9-4
for(i=0;i<K;i++)for(j=0;j<K;j++)x.fillRect(i*K,j*K,A=K*C(P=44/7*(u*i/K+v*j/K))**2-S(P)**2,A)

May 24 2020 9:39 PM UTC

}// 123/140

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continuous motion, thru 2D DFT

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rodrigo.siqueira

remix of d/27082 by u/taupelink

function u(t) {

x.globalAlpha=.1
for(i=528;i--;x.fill())x.beginPath(x.fillStyle=R(i/3,i/2,i)),x.arc(X=i%22*89,Y=980-(i/22|0)%12*80,20/t+9,i,i+C(t+i*i)*7)

Feb 19 2023 1:40 AM UTC

}// 137/140

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22x12 Blue Circle Matrix

u/magna

Pretty!
u/jdspugh

Cool