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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DirtyDan

function u(t) {

a=360
with(x)for(i=-1;i++<1;)for(j=0;j++<17;beginPath())arc(960,a+a*i,b=j*20,i?33/7:11/7,i?0:22/7,1),stroke(),fillRect(598+b+i*a,a,3,a)

Jun 9 2018 4:48 AM UTC

}// 135/140

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Wanted to fit a thicker line width in but I didn't see a way to. I think it looks okay anyway.

u/DirtyDan

Inspired by: https://old.reddit.com/r/GeometryIsNeat/comm…
u/pythech

it is possible, remixed it with the thicker lines
u/pythech

the trick is x.lineWidth
u/DirtyDan

Yeah, I just couldn't fit it in 140 chars

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Axioplase

function u(t) {

c.width=1920;l=550;for(j=0;j<2e3;j+=2)z=99*(1+S(5*S(t)+j/400)),x[f='fillStyle']="blue",x[g='fillRect'](z,j,l,2),x[f]="red",x[g](z+2*l,j,l,2)

Dec 28 2017 7:06 PM UTC

}// 140/140

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Vive la France ! ;-)

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BackendForth

function u(t) {

x.globalCompositeOperation="xor"
if(!t)a=b=9,d=0
x.fillRect(a-d/2,b-d/2,d,d)
d+=t
if(d>t*9)d=0,a=Math.random()*1920,b=Math.random()*1080

Apr 21 2021 12:31 PM UTC

}// 136/140

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What my phone sees when I try to scan a QR code

u/lars-erik

Nice. Could you the other "don't xor", I wonder. Could make for a less chaotic effect when it grows.
u/DataMeta

#waitforit #keepsongiving

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tomxor

remix of d/26186 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩠽𚁘𛁙𛁚𛁁𛁥𚐽🡸𛡦𪑬𫁒𩑣𭀨𩐿𜀺𩀪𦀬𩀪𦐬𭰽𩑼𯁤𚡚𛰮𞀬𭰬𦠾𛠲𙠦𩠨𦀫𦠪𤰨𠐩𛁙𛑚𚡃𚁁𚐬𦠪𛠹𝐬𠐩𛁚𚡙𙐱🠮𞀦𙡦𚁘𛁙𛁚𚠮𞀬𠐫𦐥𜠭𜐩𚐻𩀽𜐫𭀪𭀯𜠻𮀮𩡩𫁬𤱴𮑬𩐽𤠨𪰽𜠵𝐭𭀪𝠰𛁫𛁫𚐻𩠨𩀪𞑥𞐥𜱥𜰬𩀫𜠵𝐬𞐬𜀬𜡥𜰩`.replace(/u../g,'')))

Sep 25 2022 6:50 PM UTC

}// 135/140

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Smolr Deterministic Misty Forest 🌳

u/tomxor

-10 bytes, like sqeezing a diamond this one 🥲

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DonKarlssonSan

function u(t) {

x.strokeStyle=`hsl(${t*60},99%,50%)`
r=m=>Math.random()*m
x.beginPath()
for(i=49;i--;x.stroke())
x.moveTo(960,580),
x.lineTo(r(2e3),r(1e3))

Jan 15 2018 8:07 PM UTC

}// 139/140

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sigveseb

remix of d/407 by u/sigveseb

function u(t) {

for(n=c.width=i=1e3,s=S(t),k=C(t);i--;x.lineTo(n*X/Z,n*Y/Z))F=S(i),U=C(i),V=(i&7)-3,_=V*s+F*k,Z=V*k-F*s+15,X=_*k-U*s+7,Y=_*s+U*k+3;x.fill()

Feb 22 2017 9:37 PM UTC

}// 140/140

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Show more comments…
u/donbright

that is unbelievable cool
u/iverjo

This one is best viewed in Chrome
u/magna

Nanotube
u/sigveseb

#material
u/joeytwiddle

Could be a dune heighliner #shiny
u/stiaje

#witchcraft
u/joeytwiddle

#hiddengem

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Xen

function u(t) {

//for(i=1e3;i--;x.fillStyle=`hsl(${i+t*99},90%,50%)`)x.fillRect(1e3+S(i+t/.2)*1e3,540+C(i+t/.3)*540,9,99);x.drawImage(c,C(t),S(t))

Jan 8 2019 1:27 PM UTC

}// 130/140

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Photosensitive Warning... uncomment to view.

u/katkip

Pixelfixer

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jdspugh

remix of d/24960 by u/jdspugh

function u(t) {

x.fillRect(0,0,e=1920,e)
for(i=e;i--;x.clearRect(e/2+(S(i)*(i/e))*(i%e)/2,540+C(i+t)*(i>>6)*9,1,3))
x.fillStyle='#4348'

Feb 22 2022 5:09 PM UTC

}// 119/140

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Galactic Shell

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ai221

function u(t) {

c.width=w=1920
r=3
function s(){return Math.random()}for(i=0;i<w/r;i++)
x.fillRect(i*r,(S(i/((1/(S(t)*t))*100))*100)+540,r,r);

Aug 26 2018 5:54 AM UTC

}// 126/140

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aliassheep

remix of d/6549 by u/aliassheep

function u(t) {

x.arc(50*t,500,500*t,C(t),S(t)+t);
x.arc(1000,500,500/Math.abs(T(t)),C(t)-t,t**3);
x.stroke();

Jan 28 2018 7:56 PM UTC

}// 94/140

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