Dweets awesomed by u/fons

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: #ScaryMovies

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DirtyDan

remix of d/7021 by u/DirtyDan

function u(t) {

with(x)for(i=82;i-->1;lineWidth=9,strokeStyle="#FFF")beginPath(arc(960+C(a=t*i/9)*(d=i*9*S(t)),540+S(a)*d,i*3,0,7),fill(stroke()))

Feb 21 2018 12:01 AM UTC

}// 130/140

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u/akm

nice!

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triclops200

function u(t) {

w=1920;c.width=w;m=150
for(i=0;i<m;i++){k=C(t*2+i/50)*255
x.fillStyle=R(255-k/2,0,k)
x.fillRect(i/m*w,w/3.6+100*S(i/10+t/2),10,150*C(i+t))}

Feb 20 2018 11:11 PM UTC

}// 139/140

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u/BirdsTweetCodersDweet

Golfed-ish... Maybe learn some new techniques fromit IDEK, https://www.dwitter.net/d/7041
u/BirdsTweetCodersDweet

See the link in the comments of that one as well. Shortened it some more.
u/triclops200

The first one had golf that kept the output the same, but the second has output changes (the /3.6, for example, was there to approximate center of screen y), otherwise, good golf
u/snydej

Note that "540" is shorter than "w/3.6" ;)

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jellyedwards

function u(t) {

c.width=w=600;for(s=j=80;j<330;j+=4){x.beginPath();for(h=i=200;i;i-=5){d=(i-w/6)/38;x.lineTo(h+i,j-(s/=.9)%w/t*Math.exp(-d*d))}x.stroke()}

Feb 20 2018 8:48 PM UTC

}// 138/140

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unknown pleasures

u/joeytwiddle

Nice! Dwitter album covert art d/2108
u/jellyedwards

@joeytwiddle yours looks much more like it! I had a few other versions with fBm and fill etc. but couldn't get them under 140 chars!

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Agnes

function u(t) {

w=c.width+=i=0;w/=2;for(h=540;i<w;i+=25)with(x)f=S(t+i/w),lineWidth=15*(f+S(f*t)),beginPath(),arc(w,h,i+i*S(f++*t),a=t**f,a+3.2),stroke();

Feb 20 2018 9:07 AM UTC

}// 138/140

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Jezza

remix of d/6624 by u/Jezza

function u(t) {

c.width|=0;x.font='60px monospace';n=t**9;x.f=x.fillText;a=' mined on your CPU: ';x.f('Bitcoins'+a+n,9,400);x.f('USD'+a+'$'+n*11467,9,600)

Feb 20 2018 7:11 AM UTC

}// 138/140

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u/fons

hahahahaahahahahah

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akm

remix of d/7011 by u/DirtyDan

function u(t) {

with(x)for(lineWidth=b=44,strokeStyle="#FFF",i=0;i<b;i++)beginPath(),arc(960+S(a=t*i/b*4)*275,540+C(a)*275,.3*t**t*i,0,b/7),stroke(),fill()

Feb 20 2018 5:23 AM UTC

}// 139/140

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u/loni_art

spooky!

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prplz

function u(t) {

with(x)for(i=0,setTransform(15,0,0,15,960,540),rotate(t*1.23);i<10;i++)fillStyle=`hsl(${t*100},100%,50%)`,fillRect(S(t*7)*10+10+i,0,1,1)

Feb 20 2018 4:18 AM UTC

}// 136/140

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i guess i made a flower

u/iverjo

#flower

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DirtyDan

remix of d/7009 by u/DirtyDan

function u(t) {

with(x){lineWidth=b=44
strokeStyle="#FFF"
for(i=0;i<b;i++)beginPath(),arc(960+S(a=t*i/b*4)*275,540+C(a)*275,i*3,0,b/7),stroke(),fill()}

Feb 20 2018 3:03 AM UTC

}// 135/140

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u/iverjo

#dots

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DirtyDan

remix of d/7009 by u/DirtyDan

function u(t) {

with(x){lineWidth=b=44
fillStyle="#FFF"
for(i=0;i<b;i++)beginPath(),arc(960+S(a=t*i/b*4)*(d=i*t*S(t)),540+C(a)*d,i*3,0,b/7),stroke(),fill()}

Feb 20 2018 3:01 AM UTC

}// 140/140

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If someone can shave 2 characters off, we can invert the colors! Like in d/7011

u/akm

here, I shaved off 10 chars: with(x)for(fillStyle="#FFF",i=0;i++<44;lineWidth=44)beginPath(arc(960+S(a=t*i/11)*(d=i*t*S(t)),540+C(a)*d,i*3,0,7),fill(stroke()))

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DirtyDan

remix of d/6999 by u/DirtyDan

function u(t) {

with(x){lineWidth=b=44
fillStyle="#FFF"
for(i=0;i<b;i++)beginPath(),arc(960+S(a=t*i/b*4)*275,540+C(a)*275,i*3,0,b/7),stroke(),fill()}

Feb 20 2018 2:55 AM UTC

}// 133/140

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