Hot dweets by u/Xen

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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Xen

remix of d/14840 by u/pavel

function u(t) {

for(c.width=1e3,r=262,k=98;k--;)for(r*=k%2||C(d),n=j=t+k%6?8+k>>1:2;j--;x.arc(480+C(2*t+k),270,r,a=2*d*j+t/4,a))d=22/7/(n-1)
x.fill`evenodd`

Jun 30 2019 10:22 PM UTC

}// 140/140

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shimmer v.s.

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Xen

remix of d/14838 by u/KilledByAPixel

function u(t) {

for(c.width|=i=187;i--;x.fill())for(x.beginPath(k=3);k--;x.arc(w+(i%17)*w,60+(i/17|0)*w,w/1.7-C(-t*5)*w*.01,a=k*1.57+t*(i%2-.5),a))w=99

Jun 30 2019 9:35 PM UTC

}// 135/140

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quick test

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Xen

remix of d/14849 by u/username

function u(t) {

for(c.width|=i=199;i--;x.fillRect(i*19+C(t)*3e2-3e2,S(g)*199-200,i,2e3))x.fillStyle=`hsl(${g=i*t/4%2e3},99%,50%,.1`,x.rotate(C(g/2)/i)

Jun 30 2019 9:58 PM UTC

}// 134/140

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fun tweak

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Xen

function u(t) {

for(i=1e3;i--;)x.fillText(i,i|t*i,i)

Jun 27 2019 6:15 PM UTC

}// 36/140

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36byte #sierpinski triangle

u/KilledByAPixel

Nice! You can also use & instead of | for a slightly different style. i&i/t is also good
u/Xen

i'd say the last is my fav i&i/t
u/donbright

ugh i dont understand how it works.

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Xen

function u(t) {

x.fillText(t*=t,t*t&t,t)

Jun 27 2019 8:12 PM UTC

}// 24/140

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24byte #sierpinski triangle

u/Xen

also 21bytes if you dont mind waiting x.fillText(t,t*t&t,t)
u/DataMeta

you golfing madman!
u/Xen

#nano
u/Xen

#NoNumbers

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Xen

remix of d/14798 by u/Xen

function u(t) {

throw code

Jun 27 2019 9:12 PM UTC

}// 10/140

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does 10bytes throw code count?

u/taupelink

cool! you can also do "throw u"
u/katkip

this has already been done
u/katkip

#quine
u/Xen

#nano

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Xen

remix of d/14771 by u/loktar

function u(t) {

for(c.width|=X=i=39,z=-1e3,f=C(t/4)*z+2e3;i++<f;x.fill(x.arc(-z+X*C(i-t)*5*v,i*v/2+z,11*v,t,-i-t*6)))x.beginPath(v=f/(f+z))

Jun 26 2019 4:55 PM UTC

}// 123/140

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quick golf and test

u/donbright

fascinating

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Xen

remix of d/14750 by u/KilledByAPixel

function u(t) {

with(x)for(fillRect(0,0,2e3,2e3),i=234;i--;stroke())for(beginPath(j=9);j--;arc(960,540,i*4,a=j*.785+S(i/9+t*9)/t,a))strokeStyle=R(i*t,t,i*i)

Jun 25 2019 4:56 PM UTC

}// 140/140

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#waitforit

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Xen

remix of d/14716 by u/username

function u(t) {

with(x)for(k=i=2e3;i---99;beginPath(fill(arc((i**3+p)%2e3,(i*i+p)%k,k/(i/(9+S(p)*8)),0,7))))fillStyle=`hsla(${i+(p=t*i)},99%,60%,.01`

Jun 24 2019 7:14 AM UTC

}// 133/140

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rainbow clouds

u/Xen

#waitforit
u/joeytwiddle

Variations: change i*i+p to i**t+p (fine) or i^p+t (coarse)
u/joeytwiddle

On iOS, slay the grey with 65% rainbow
u/Xen

#clouds #rainbow

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Xen

function u(t) {

x.fillText(code,c.width=-1,9)

Jun 27 2019 9:07 PM UTC

}// 29/140

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29byte #Quine

u/Xen

#nano

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