Dweets awesomed by u/kmoseni

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: #Opposites

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kmoseni

function u(t) {

t*=t 
for(i=-19;i<7;i++)
x.fillRect(990+i*99*S($=i-t/4)+$ 
          ,540+i*99*C($)-$
           ,1/T($)
           ,T($))
x.rotate(t/1e9)

May 24 2021 8:22 PM UTC

}// 138/140

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Symmetries among singularities

u/andrea270872

nice granularity
u/kmoseni

Thanks u/andrea270872! I find it reminiscent of DaVinci’s sketches.

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kmoseni

function u(t) {

p=6.28*t**3;A=3600/p**0.2;
x.fillRect(990+S(t)*A,520+C(t)*A,10*S(p),10*C(p))

May 24 2021 6:38 PM UTC

}// 76/140

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My first dweet: a glitchy spiral! Very excited to move from lurker to contributor amongst all of you incredible coders and artists here on Dwitter!

Show more comments…
u/Xen

Welcome to the dwitter family!
u/magna

Nice style!
u/magna

Here's some quick golfing down to 68: p=7*t**3;A=3e3/p**.2;x.fillRect(960+S(t)*A,540+C(t)*A,9*S(p),9*C(p))
u/Xen

A=3e3/(t**3)**.2;x.fillRect(990+S(t)*A,520+C(t)*A,9*S(A),9*C(A))
u/kmoseni

Thanks, u/Xen and u/magna! Of the two suggestions, I'll have to side with u/Magna's for golfing it down while maintaining the glitchy-ness!
u/aleamb

#firstdweet

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New_Core

function u(t) {

for(i=a=500;i--;x.fillRect(960+(t*t*C(i*1.57+t)+a*S(v=i>>2)*3)*Z,800+(200-t*60)*Z,Z*9,Z))Z=99/(i%a+a/7),x.fillStyle="#0505"

May 23 2021 1:39 PM UTC

}// 124/140

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u/rep_movsd

Alien plants
u/andrea270872

cool code. I was looking for recursion... but nope. Just a smart FOR :)
u/Xen

love it!
u/miratcan

great

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BackendForth

function u(t) {

v=Math.random
if(!t)m=v(),x.fillRect(0,0,a=1920,b=1080)
x.clearRect(v()*a,v()*b,8,8)
x.font=b+"px Arial"
x.fillText(m>.5?"Yes":"No",99,900)

May 14 2021 1:36 AM UTC

}// 139/140

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Concentrate on a yes or no question, and wait for the stars to align . . .

u/tomxor

Stellar Magic 8 ball

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KilledByAPixel

remix of d/22514 by u/KilledByAPixel

function u(t) {

for(i=2e3;!t&&i--;)document.write`<button style=width:16;height:16 onmouseover=event.buttons?this.style.background=event.altKey?'':R():0>`

Apr 18 2021 2:00 AM UTC

}// 138/140

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Pixel Art Tool - Click to draw, hold alt to erase!

u/Nascretis

7w7

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rodrigo.siqueira

remix of d/20812 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,c.width|=f=g=>i*S(i/999-t)*g(i*i);i--;x.fillRect(960+f(S),540+f(C),5,5))x.fillStyle=`hsl(${i/6},80%,50%`,c.style='filter:invert('

Dec 31 2020 9:46 PM UTC

}// 139/140

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Color explosion

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smtsjhr

function u(t) {

n=3+(0|t/3)%4;
for(c.width|=i=56-(n<5)*4;k=500+20*C(t*i/5)-t%1**i,i--;)x.lineTo(960+k*S(a=i*6.28/n),550-k*C(a));x.fill('evenodd')

Nov 14 2020 9:47 PM UTC

}// 129/140

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choose your fighter #symmetry

u/sigveseb

Nice effect

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pavel

function u(t) {

for(c.width|=i=4;i--;x.fill(x.arc(96*(8+i%2*4+2*o+C(a=Math.PI*(o?q:-q))),540+96*S(a),96,0,7)))q=t+3*(i>1),x.beginPath(o='001221'[~~q%6]-1)

Jan 7 2020 11:54 PM UTC

}// 138/140

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Points

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u/pavel

Credit https://www.reddit.com/r/loadingicon/comment…
u/tylertoomey

Can you explain how you are declaring your variables? specifically in "8+i%2*4+2*o+C" you reference 'o' and 'C' before they have even been declared -- I think.
u/pavel

for(i=9;i--;/*code here*/)/*runs after code here*/
u/ivylab

Exactly the other way around, isn't it? First the code after the bracket runs and then the code in the brackets. Your declaration is behind them. c.width=1e3;for(i=9;i--;x.fillStyle='red')x.fillRect(112*i,0,100,1000) shows that too.
u/sigveseb

Or in other words, a for loop for(A; B; C) D; will run the different parts in this order: A B D C B D C B D C .. B
u/ivylab

Exactly what I think and meant. Well written @sigveseb
u/joeytwiddle

beginPath, arc and do-si-do 🕺💃 🎻
u/UEZ

#dance

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rodrigo.siqueira

function u(t) {

x.fillStyle='gray';x.fillRect(250,440,1420,200)
x.fillStyle=R(t*70,t*70,t*70)
x.fillRect(t*510,0,9,1080)

Sep 27 2019 2:25 PM UTC

}// 104/140

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Illusory gradient grayscale ("Simultaneous Contrast Illusion"). The bar in the middle is a CONSTANT SHADE of gray. Viewing two colors at the same time influences both of their appearances. #gradient #illusion

u/iverjo

#opticalillusion

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KilledByAPixel

remix of d/15248 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👆🐨𦀬𦐬𦠬𠐩🐾𥀨𞐹𛁸𛡦𪑬𫁒𩑣𭀨𦀬𦐬𦠬𦠬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𬐽𦠾𜠹🱚𞠳𜀰𛑚𚠹𛁚𛁱𚐩𛁚🠱𜐿𡠨𦀭𤰨𠐩𚡚𛰲𛁙𛑃𚁁𚐪𦠯𜠬𦠪𛠹𞀬𠐪𚀮𞐵𚱓𚁴𚐯𞐹𚐫𥀨𛠵𚐩𞡔👭🐾𠰨𤐪𤐫𚰩𚡭𚐾𦠦𙡆𚁘𛁙𛁚𛰲𛁔𚀱𚐩𞱆𚀳𜀰𛁑🐱𩐳𛀹𞐬𜀩`.replace(/u../g,'')))

Aug 3 2019 6:13 PM UTC

}// 140/140

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Animated #Tree

dwitter.net | kmoseni (392)