Dweets awesomed by u/akm

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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akm

remix of d/6880 by u/akm

function u(t) {

c.width|=0;for(i=720;i--;)x.fillRect(960+600*C(10*t**1.7+i),700+400*S(i+5)/(Math.E**t),10,10)

Feb 14 2018 1:21 AM UTC

}// 93/140

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made it spin incrementaly faster as per u/joeytwiddle 's request

u/joeytwiddle

Thanks! :D

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akm

function u(t) {

c.width|=0;for(i=500;i--;)
x.lineWidth=.7,x.stroke(new Path2D(`M${C(t*i/10)*i+960} ${S(t*i/10)*i+150}l400 400l-400 400l-400-400l400 -400`))

Feb 13 2018 10:16 PM UTC

}// 139/140

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u/Xen

nice

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akm

function u(t) {

      c  .
 width  ^=0
;for   (
  i=   9;
   i--   ;
    )x    .
fillRect   (
   400+   i
      *  100+
S(t)*   300
    ,  400
  ,50,  200)

Feb 13 2018 6:43 PM UTC

}// 139/140

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(look at the code)

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loni_art

remix of d/6894 by u/loni_art

function u(t) {

t?0:x.fillRect(0,0,2e3,2e3);
a=100
for(i=20;i--;x.fillRect(i*a,(5+T(i-t))*a,a/2,a))
x.fillStyle=R(...[0,6,12].map(d=>127*(1+C(d+i*6-t))))

Feb 13 2018 5:01 PM UTC

}// 137/140

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golden mist, thanks to Annan for the golf

u/AnnanFay

👍

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loni_art

function u(t) {

p=(d)=>(127*(1+C(6*d+t)))
c.width|=a=100
for(i=9;i--;x.fillRect((5+i+S(t))*a,(5+C(i-t))*a,a/2,a))
x.fillStyle =   R(p(i),p(.1+i),p(.2+i),1)

Feb 13 2018 3:32 PM UTC

}// 139/140

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procedural palette

u/loni_art

taken from here: http://www.iquilezles.org/www/articles/palet…
u/aleamb

nice
u/joeytwiddle

#colors

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41407

function u(t) {

z=Math.random;w=1930;m=255;x.shadowColor=R(z()*m,m,z()*m)
for(i=9;i--;x.shadowBlur=9)x.fillRect(z()*w,z()*w,4,4)
x.drawImage(c,-5,-2,w,1085)

Feb 13 2018 3:10 PM UTC

}// 140/140

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u/aleamb

beautiful!!

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akm

function u(t) {

c.width|="‮";for(i=9;i--;)x.fillRect(400+i*100+S(t)*300,400,50,200)

Feb 13 2018 3:07 PM UTC

}// 67/140

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Show more comments…
u/loni_art

haha what?
u/aleamb

WTF! lol!
u/magna

WAT
u/Paisley

lol, what even is this voodoo
u/akm

might have gotten the idea from here... https://securelist.com/zero-day-vulnerabilit…
u/joeytwiddle

Awesome!
u/iverjo

Interesting hack! Basically, this is c.width|="Right-to-left Override unicode character goes here";for(i=9;i--;)x.fillRect(400+i*100+S(t)*300,400,50,200)
u/akm

u/iverjo exactly! It took me a little while to find a place to put the character and still have valid js
u/joeytwiddle

#trick
u/Purpzie

WOAH. How do you even copy and paste the special character?

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akm

remix of d/6648 by u/BirdsTweetCodersDweet

function u(t) {

c.width|=0;for(i=720;i--;)x.fillRect(960+600*C(10*t+i),700+400*S(i+5)/(Math.E**t),10,10);

Feb 13 2018 12:32 AM UTC

}// 89/140

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used Math.E**t as approximation for gravity

u/joeytwiddle

I think it should get faster as it falls lower

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AnnanFay

remix of d/6857 by u/olligobber

function u(t) {

c.width|=i=8
for(m=200,r=t;i--;m=-m)x.stroke(new Path2D(`M960,${520-m*13/8}l${p=m*S(r)},${m}l${(q=m*S(r+=.79))-p},${m*5/4}h${m*C(r)-q}`))

Feb 11 2018 3:42 PM UTC

}// 137/140

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u/Yogeshp3

It's one of those things that you can't tell whether it's rotating clockwise or anticlockwise

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fr1sk

function u(t) {

let x=1,u=!1;setInterval(()=>{(75===x||1===x)&&(u=!u),u?x++:x--,console.log(`%c${`■`.repeat(x)}`,`color: hsl(${2*x}, 100%, 50%)`)},10);

Feb 11 2018 8:52 AM UTC

}// 135/140

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⚠️‼️OPEN CONSOLE TO SEE THE RESULT‼️⚠️

u/AnnanFay

Warning: May crash console / browser.

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