Hot 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) {

for(c.width+=i=0;i++<4;)for(j=0;j++<4;){x.arc(480+180*j,90+180*i,90+90*(1+S(t*(i+j))),0,6.29);x.closePath()}x.fill("evenodd")

Apr 30 2019 9:52 PM UTC

}// 125/140

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DirtyDan

remix of d/13557 by u/DirtyDan

function u(t) {

for(c.width+=h=0;h++<4;){
for(i=0;i++<4;)for(j=0;j++<4;){x.arc(480+180*j,90+180*i,(1+C(t*h))*90,0,6.29);x.closePath()}}x.fill("evenodd")

May 1 2019 12:06 AM UTC

}// 136/140

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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

remix of d/7586 by u/New_Core

function u(t) {

Z=Math.random
x.shadowColor=R(x.shadowBlur=a=128)
x.fillStyle=R(g=Z()*a+a*2,425-g)
x.beginPath(x.fill())
x.arc(Z()*2e3,Z()*1e3,Z()*a+50,0,7)

Apr 6 2018 1:29 AM UTC

}// 140/140

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Orange :D

u/magna

Pretty! :D
u/sigveseb

<333
u/diceroll123

O R A N G

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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

remix of d/7500 by u/fervour

function u(t) {

p=40;for(i=48;i--;)for(j=27;j--;x.fillStyle=`hsl(${c=(C(i/3+t*3)+S(C(j/4)+t*5)+S((i+j+t*9)*j))*j},99%,${c*C(t)*2}%)`)x.fillRect(i*p,j*p,p,p)

Mar 31 2018 2:22 AM UTC

}// 140/140

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DirtyDan

function u(t) {

for(c.width+=i=0;i++<99;x.globalCompositeOperation='xor')x.beginPath(x.fill()),x.arc(960+i*T(a=3*S(t)),540+3*C(T(i/120+(a<0?t:-t))),i*5,0,7)

Mar 25 2018 6:22 PM UTC

}// 140/140

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If you want to remix, for extra space delete "a=" and replace "(a<0?t:-t)" with t. That stuff just reverses the direction of the ripple depending on what side it's on.

u/magna

Awesome!
u/DirtyDan

check out d/6724
u/DirtyDan

* d/6812

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DirtyDan

function u(t) {

for(c.width+=i=0;i++<8;x.beginPath())x.lineWidth=66,
x.ellipse(960,540,z=67*i,z*Math.abs(q=C(a=(9-i)*t)),a,0,7)
,x.stroke()

throw q

Mar 22 2018 9:44 PM UTC

}// 132/140

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Just posting so I can save it for later, not quite what I had in mind.

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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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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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