Top dweets by u/DirtyDan

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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DirtyDan

function u(t) {

a=360
with(x)for(i=-1;i++<1;)for(j=0;j++<17;beginPath())arc(960,a+a*i,b=j*20,i?33/7:11/7,i?0:22/7,1),stroke(),fillRect(598+b+i*a,a,3,a)

Jun 9 2018 4:48 AM UTC

}// 135/140

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Wanted to fit a thicker line width in but I didn't see a way to. I think it looks okay anyway.

u/DirtyDan

Inspired by: https://old.reddit.com/r/GeometryIsNeat/comm…
u/pythech

it is possible, remixed it with the thicker lines
u/pythech

the trick is x.lineWidth
u/DirtyDan

Yeah, I just couldn't fit it in 140 chars

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DirtyDan

function u(t) {

c.width+=0
for(h=0;h++<8;)for(i=0;i++<480;)z=S(i/153*(h-1))*68*(9-h)*S(t*h/3+11/7),x.lineTo(i*4,540+(i%2<1?z:-z))
x.stroke()

Mar 13 2018 8:18 PM UTC

}// 125/140

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Looks best in fullscreen

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DirtyDan

remix of d/7049 by u/DirtyDan

function u(t) {

with(x)for(i=32;i-->2;)strokeStyle=`hsl(${i*t},100%,50%)`,lineWidth=i,beginPath(arc(960+C(a=t*i/9)*i,540+S(a)*i,i*i/2,0,7),fill(stroke()))

Feb 23 2018 12:47 AM UTC

}// 138/140

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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

function u(t) {

p=Math.PI*2
c.width=a=1920
b=540
for(i=0;i<a;i+=192)for(j=0;j<b;j+=10){z=j/b*p
x.fillRect(a/2+b*S(z)+8*C(z),b*C(i/a*S(z+t))+99*C(z),9,9)}

Jan 7 2018 2:53 AM UTC

}// 137/140

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DirtyDan

remix of d/6913 by u/DirtyDan

function u(t) {

t+=17
for(i=0;i<540;i+=10)
for(j=0;j<540;j+=10)x.fillStyle=`hsl(${i+t*255},100%,50%)`,
x.fillRect(950+i*C(t*i/300),530+j*S(t*i/300),20,20)

Feb 19 2018 6:51 AM UTC

}// 138/140

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DirtyDan

remix of d/6409 by u/DirtyDan

function u(t) {

c.width=1920
x.globalCompositeOperation='xor'
for(i=b=540;i>0;i-=3)x.beginPath(),x.ellipse(960+i*S(t+i),i*2,i/b*99,i/b*50,0,0,44/7),x.fill()

Jan 24 2018 8:25 PM UTC

}// 140/140

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u/Qwitter

Mercurial
u/Qwitter

like ⚚
u/donbright

snakes!

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DirtyDan

remix of d/5673 by u/DirtyDan

function u(t) {

p=Math.PI
a=960
b=535
c.width=a*2
for(i=0;i<a;i+=10)for(j=0;j<b;j+=10)
x.fillRect(a+b*S(i/a*p+S(t))*C(j/b*p),b+b*S(j/b*p)*C(i/a*p+t),9,9)

Jan 7 2018 3:43 AM UTC

}// 137/140

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DirtyDan

remix of d/5711 by u/DirtyDan

function u(t) {

x.beginPath(b=540)
for(c.width+=i=0;i++<b;)x.lineTo(q=960+i*S(r=i/b*T(6.28*S(t)*i/b)),b+i*C(r))
x.fill("evenodd")

Apr 3 2018 3:02 AM UTC

}// 113/140

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DirtyDan

function u(t) {

p=44/7
r=200+150*S(t/9+p/2)
for(c.width+=i=0;i++<32;)x.arc(r*i,540,r,t*i,t*i+p)
x.stroke()

Mar 23 2018 4:48 PM UTC

}// 90/140

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#mechanism

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