Hot dweets by u/21medals

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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21medals

function u(t) {

if(2>frame%(i=1e3))for(d=[];i--;)d[i]=i**9%540
for(c.width=i=999;i--;d[i]>(q=d[i+1])&&d.splice(i,2,q,d[i]))x.fillRect(i,0,1,d[i])

Feb 10 2019 1:36 PM UTC

}// 129/140

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Slowly sorting 1000 values using bubble #sort

u/21medals

if(2>frame%(i=1e3))for(d=[];i--;)d[i]=i**9%540 for(c.width=i;i-->0;v>(q=d[i+1])&&d.splice(i,2,q,v))x.fillStyle=hsl(${v=d[i]},99%,50%),x.fillRect(i,0,1,v)

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21medals

function u(t) {

with(x)for(c.width|=0,i=99,translate(960,540);i--;fillRect(o=-i*10,o,s=-o*2,s))rotate(t/25),fillStyle=`hsl(${i%2*t*44+t*44},99%,55%)`

Feb 6 2018 2:30 PM UTC

}// 133/140

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21medals

function u(t) {

for(i=99;i--;x.fillRect(o=-i*9,o,s=i*18,s))x.resetTransform(),x.translate(960,a=540),x.rotate(i/2*t/5),x.fillStyle=R(S(i)*a,C(i)*a,S(t+i)*a)

Feb 4 2018 10:56 PM UTC

}// 140/140

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u/magna

Awesome!
u/joeytwiddle

That is one powerful optical illusion. Looks like it's spinning!
u/iverjo

LOL Joey :)
u/DeathBoy

I CAN SEE THROUGH TIME
u/joeytwiddle

#kaleidoscope #spiral #colorshock

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21medals

remix of d/6678 by u/21medals

function u(t) {

for(c.width=i=96;i--;)for(j=54;j--;x.fillRect(i,j,1,1))x.fillStyle=R((d=S(t*((i-48)**2+(j-27)**2)**.5*2))*1e4/++i,d*4.7*j,d*2.7*--i)

Feb 3 2018 10:33 PM UTC

}// 132/140

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21medals

remix of d/6723 by u/21medals

function u(t) {

for(i=99;i--;x.fillRect(0,0,i*9,i*9))x.resetTransform(),x.translate(960,540),x.rotate(i*t/18),x.fillStyle=`hsla(${i*2+t*99},99%,50%,.05)`

Feb 5 2018 11:43 AM UTC

}// 137/140

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21medals

function u(t) {

for(c.width=i=48;i--;)for(j=27;j--;x.fillRect(i,j,1,1))x.fillStyle=R(S(d=t*((i-24)**2+(j-13.5)**2)**.5*2)*255,S(++d)*255,S(++d)*255)

Feb 3 2018 11:49 AM UTC

}// 132/140

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u/magna

Neat!
u/DataMeta

Quite cool.

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21medals

remix of d/6619 by u/21medals

function u(t) {

for(c.width|=i=80,x.globalCompositeOperation="xor";i--;x.ellipse(960,r=540,(S(t+S(i)/2)*r+r)/8,r,t/4+.0785*i,0,6.28),x.fill())x.beginPath()

Feb 1 2018 10:28 PM UTC

}// 140/140

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21medals

function u(t) {

for(c.width|=i=250,r=540,π=Math.PI*2;i--;x.ellipse(960,r,(S(t+S(i)/5)*r+r)/2,r,π/25*i,0,π),x.stroke())x.beginPath()

Jan 31 2018 2:27 PM UTC

}// 116/140

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21medals

remix of d/6587 by u/Qwitter

function u(t) {

x.globalCompositeOperation='xor';
x.fillStyle='#a90'
x.fillRect(960,540,4,4)
for(i=-4;i++<4;x.drawImage(c,i,-2),i++)x.drawImage(c,i,2)

Jan 30 2018 2:23 PM UTC

}// 134/140

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u/donbright

woah
u/iverjo

That escalated quickly
u/katkip

Wow that's an awesome GOL!
u/katkip

#gameoflife
u/Qwitter

nice!
u/rep_movsd

#underrated

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21medals

function u(t) {

for(c.width|=i=24;i--;x.ellipse(960,r=540,S(t+S(t/9*i))*r/2+r/2,r,.2618*i,0,6.283),x.fill())x.beginPath(),x.globalCompositeOperation="xor"

Feb 1 2018 3:09 PM UTC

}// 138/140

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