Hot dweets by u/joeytwiddle

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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joeytwiddle

function u(t) {

for(c.width=i=600;i--;)x.beginPath(),k=150*t+i|i/8,k%150<50?x.ellipse(300,320-i/2,r=(5e4-(i-300)**2)**.5,r/3*(1-C(t/9)),0,0,7):0,x.stroke()

Jun 9 2018 6:21 PM UTC

}// 139/140

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Glitchy ellipsoid

u/joeytwiddle

Our planet is also a glitchy ellipsoid: https://www.pbs.org/newshour/world/how-to-he…
u/joeytwiddle

Replace 0,7 with 6,3.5 for just the front of the ellipsoid

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joeytwiddle

remix of d/3427 by u/corruptio

function u(t) {

t?x.drawImage(c,9*S(t),t*60%600,999,1):navigator.mediaDevices.getUserMedia({video:1}).then(e=>(c=document.createElement`video`).srcObject=e)

Jun 8 2018 5:57 PM UTC

}// 140/140

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Trying to revive last year's #camera dweet

u/joeytwiddle

But it's prevented by security policies in the latest Chrome and idk what in Firefox.
u/joeytwiddle

Aha! It works if you run it without an iframe: https://dweet.dwitter.net/id/8504?autoplay=1
u/joeytwiddle

But I'm afraid it doesn't work now

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joeytwiddle

remix of d/8414 by u/joeytwiddle

function u(t) {

for(c.width|=0,i=3500;i--;x.beginPath())x.globalAlpha=.03,x.arc(S(i**.5-t*9)*i*i/1e4+960,C(i**.5-t*9)*i*i/1e4+540,i**2/8e4+2,0,7),x.fill()

Jun 5 2018 9:59 AM UTC

}// 138/140

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Soft shaded spiral

u/joeytwiddle

This is what I was going for, but it's kinda boring
u/zanella

No boring at all, I think it's the best spiral I've seen here. :)
u/joeytwiddle

tx zanella :) Derived from d/8393 by firegodjr and BirdsTweet
u/iverjo

#shading #spiral
u/iverjo

This has to be one of the best spirals I've seen on Dwitter

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joeytwiddle

remix of d/8393 by u/firegodjr

function u(t) {

for(c.width|=0,i=4e3;i--;x.beginPath())x.globalAlpha=.03,x.arc(S(t*6+i*i/99)*i*i/1e4+960,C(t*6+i/99)*i*i/1e4+540,i/30+2,0,7),x.fill()

Jun 5 2018 9:45 AM UTC

}// 133/140

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Soft spiral happy accident 1

u/hollo47

I'm experiencing some Rorschach thing, that's a dog's face!
u/joeytwiddle

It's curious how a small bug in the spiral code seems to have produced some straight lines

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joeytwiddle

remix of d/8413 by u/joeytwiddle

function u(t) {

for(c.width|=0,i=4e3;i--;x.beginPath())x.globalAlpha=.03,x.arc(S(t*6+i*i/99e2)*i*i/1e4+960,C(t*6+i*i/99e2)*i*i/1e4+540,i/30+2,0,7),x.fill()

Jun 5 2018 9:46 AM UTC

}// 139/140

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Soft spiral happy accident 2

u/joeytwiddle

Moody and cloudy: x.arc(S(t*6+i*i/99e2)*i/4+960,C(t*6+i*i/99e2)*i/4+540,i/30+2,0,7),x.fill()
u/joeytwiddle

Eye of the storm: t=9+t/5e2;for(c.width|=0,i=4e3;i--;x.beginPath())x.globalAlpha=.03,x.arc(S(i*i/1e4*t)*i/4+960,C(i*i/1e4*t)*i/4+540,i/30+2,0,7),x.fill()

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joeytwiddle

function u(t) {

for(c.width|=k=511;k--;x.fillRect(960-W-500*S(j/41)*C(a),960-j*(i+S(a)),2*W,9))i=k>>5,j=k%32,x.fillStyle='#f7f'+j/5,W=99*S(j/10)*S(a=t+i*17)

May 29 2018 10:12 AM UTC

}// 140/140

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Happy Vesak! https://en.wikipedia.org/wiki/Vesak

u/joeytwiddle

Here is the colourful 3d version: https://codegolf.tk/a/270
u/fujimotos

Lotus!
u/hollo47

This is absolutely beautiful!
u/lionleaf

Amazing! #vesak #flower
u/aleamb

great!!

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joeytwiddle

remix of d/8155 by u/kcsongor

function u(t) {

c.width+=0
r=9+4*C(t/3)
for(i=m=999;i--;)for(j=4;--j;)x.fillRect(960+C(9*t+9*i/m)*j*160, 540+S(9*t+r*i/m)*j*160, W=9*i/m+j, W)

May 21 2018 6:07 AM UTC

}// 126/140

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u/aleamb

cool!
u/prplz

this deserves more awesomes

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joeytwiddle

remix of d/8010 by u/joeytwiddle

function u(t) {

for(c.width|=p=0;p++<1e3;x.fillRect(X+4,Y+4,w-8,w-8))r=p/4,k=2*t+r/50,x.clearRect(X=960+600*S(k)+r*C(p),Y=510+250*S(k/.5)+r*S(p),w=19+r/5,w)

May 7 2018 8:24 AM UTC

}// 140/140

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Angry box worm

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u/joeytwiddle

Basically the same monster, just better presented
u/iverjo

Here's that same monster (from the side) after it eats one of those invincibility rainbow stars that Mario likes to consume: d/1806
u/iverjo

#worm
u/prplz

It looks like it's always getting closer, cool!
u/lionleaf

#organic
u/joeytwiddle

When it was younger: https://www.dwitter.net/d/1879
u/joeytwiddle

Lol u/iverjo, I get the tune in my head

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joeytwiddle

function u(t) {

c.width|=0;for(p=600;p--;)r=p**.5*9,k=2*t+r/120,q=p-9*S(t),x.fillRect(960+400*S(k)+r*C(q),540+250*C(k/.7)+r*S(q),w=5+r/20,w)

May 6 2018 11:28 AM UTC

}// 124/140

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Spiral dot worm

u/joeytwiddle

I wanted to make a tribute to https://twitter.com/BalintCsala/status/99216… but this is all I got so far
u/BalintCsala

Hah, thanks
u/joeytwiddle

I did write something which was technically more similar (points appear and disappear without moving) but it doesn't look any good at the moment

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joeytwiddle

remix of d/7980 by u/BalintCsala

function u(t) {

c.width=280,W=20
for(i=9;i--;)x.fillRect(D=i*W-(K=(t%1)*W),D,W,W)
x.font="24px A"
x.fillText("●",98,101-K-W*(1.2-t%1)*(C(6.3*(t%1))**2)**.5)

May 5 2018 8:27 AM UTC

}// 140/140

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u/iverjo

#bounce
u/joeytwiddle

Multibounce: x.fillText("●",98,101-K-W*(1-t%1)**2*(C(15*(t%1))**2)**.5)

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