Dweets awesomed by u/aleamb

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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davidsharp

function u(t) {

c.width|=0;x.font='2cm A';for(n=0;n<19;)x.fillText('♥️',n++*100+S(t+n)*30,1080-(Math.abs(t*100*S(n))%1080))
// Happy Valentine's Day ♥️

Feb 14 2018 8:28 AM UTC

}// 135/140

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u/sigveseb

And space left over for a comment, the mark of a true golfer :)
u/iverjo

#hearts

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snydej

function u(t) {

for(i=w=2e3;r=--i**4.7;x.fillRect(0,-60,30,90))x.setTransform(s=S(r%4*t),-1,s,1,r%w,(r%99*t)%w),x.fillStyle=`hsl(60,${r%50}%,${30*s**8+60}%`

Feb 14 2018 7:35 AM UTC

}// 140/140

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Show more comments…
u/aleamb

really awesome!
u/snydej

Thanks :)
u/magna

WOW!
u/sigveseb

Rocks so hard :)
u/Apex

My computer is now a jet engine. Looks cool though
u/iverjo

Gold and silver confetti! I like it :)
u/joeytwiddle

#shiny

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akm

remix of d/6670 by u/akm

function u(t) {

c.width|=0
with(x){for(i=140,l=500;i--;lineTo(m,k))n=S(t-i*C(.1*t))*3e2,arc(m=i*18-120,k=-n+l,30,0,6.283,moveTo(m+220,n+l))
fill(stroke())}

Feb 14 2018 3:56 AM UTC

}// 139/140

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aleamb

function u(t) {

c.width=512;b=136;for(y=b;e=0.7*y,f=y-60,f*=f,y-=2;)for(m=b;m--;)d=m-70,z=S(t)*b*Math.exp(-1e-3*(f+d*d)),x.fillRect(m+e+b,-z+e+100,1,1)

Feb 14 2018 1:37 AM UTC

}// 135/140

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Shorter version: c.width=512;b=136;h=60;for(a=b*b;a--;)m=a%b-h,y=a/b-h,e=0.7*y,x.fillRect(m+e+100,S(t)*b*Math.exp(-1e-3*(y*y+m*m))+e+150,1,1)

u/iverjo

Further, 0.7 can be replaced with .7
u/aleamb

#function #p3d
u/aleamb

#math
u/aleamb

#d3

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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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Xen

function u(t) {

for(i=299;i--;x.stroke())x.beginPath(),x.strokeStyle=`hsl(${Z=i*t*4%555/C(t)},99%,9%)`,x.arc(Z*S(Z/i)+c.width/2,Z*C(Z/i)+c.height/2,i*5,0,7)

Feb 13 2018 8:36 PM UTC

}// 140/140

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quick test for a secret project ;-)

u/aleamb

nice secret!
u/Xen

thanks, it wont look anything like this lol

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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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