Dweets awesomed by u/taupelink

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: #Food

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FireFly

function u(t) {

for(s='0',i=5;i--;c=s[t*60|0])s=s.replace(/\d/g,i=>['0-1+0+1-0',11][i]);c<2?x.translate(0,32,x.fillRect(0,0,3,32)):+c||x.rotate(c+120/57.3)

Mar 1 2017 5:43 PM UTC

}// 139/140

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[Team dweet with u/PeCaN] L-system visualizer! Change initial state (s), #iterations (i), transition rules (['0-1+0+1-0',11]), which digits correspond to 'draw and move forward' (c<2), angle (120) to your own L-system ruleset. Digits 0-9 correspond to variables/constants (for each constant, add a rule that maps it to itself, i.e. to 'i').

u/5Mixer

Ha awesome! I was surprised when I saw this, I'd seen it on the internet before and was idly scribbling on the back of my book in a boring class today. Dope stuff :D

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gabrielsroka

remix of d/1334 by u/gabrielsroka

function u(t) {

e=Math.random;with(x)for(i=j=2e3;t%1<.01&&i--;)lineWidth=10,strokeStyle=R(r=e()*255,r,r,.5),beginPath(),moveTo(i,0),lineTo(e()*j,j),stroke()

Feb 26 2017 5:35 PM UTC

}// 140/140

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Based on code written by Casey Reas and Ben Fry. see http://processingjs.org/learning/basic/rando…

u/donbright

still freezes my browser
u/gabrielsroka

@donbright, it paints once per second. is that what you mean by "freeze"?
u/joeytwiddle

Nice. Looks like hair.
u/iverjo

#random #texture

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Kalanchoe

function u(t) {

r=Math.random
c.width^=0
!t?o=[]:o.push({X:r()*1920,Y:r()*1080,x:r(),y:r()})
o.map((a)=>(x.fillRect(a.X+=a.x+=r()-.5,a.Y+=a.y+=r()-.5,4,4)))

Feb 26 2017 9:37 AM UTC

}// 140/140

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u/donbright

genius use of []
u/SpecialAgent

a clever piece of code

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walsh9

function u(t) {

T=t*60|0,d=T%64*33,e=(T>>6)*36,s=d<1||Math.random()>.5&&e>1,f=s?8:33,g=s?36:8,x.fillRect(d,e,f,g),x.lineWidth=16,x.strokeRect(0,0,1920,1080)

Feb 25 2017 8:04 AM UTC

}// 140/140

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u/donbright

hey that is super cool
u/sigveseb

reminds me of the old C64 BASIC maze: http://www.slate.com/content/dam/slate/artic…
u/walsh9

I'm using this 'binary tree' maze algorithm: http://weblog.jamisbuck.org/2011/2/1/maze-ge…

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iverjo

remix of d/104 by u/iverjo

function u(t) {

c.width^=0;for(i=9;i<2e3;i+=2)s=3/(9.1-(t+i/99)%9),x.beginPath(),j=i*7+S(i*4+t+S(t)),x.lineWidth=s*s,x.arc(960,540,s*49,j,j+.6),x.stroke()

Feb 24 2017 6:47 PM UTC

}// 138/140

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Show more comments…
u/SpecialAgent

my hat goes off to you sir!
u/Kalanchoe

That's unbelievable
u/iverjo

Try this one in fullscreen for a more immersive experience
u/Niklas

impressive!
u/donbright

:)
u/aendrew

This is incredible.
u/vonzo

reminds me to Gescom <3
u/hvge

http://www.pouet.net/prod.php?which=3397 ❤️
u/badthai

How did you come up with this?
u/iverjo

@badthai: First I made a classic tunnel effect (like this: https://www.dwitter.net/d/205). Then I made several remixes of it by tweaking parameters. This was one of the results. See also https://www.dwitter.net/d/106
u/iverjo

#tunnel
u/vain

cool segmented tunnel fly
u/ximavus

Futuristic mario pipe! :D

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paberr

remix of d/1053 by u/paberr

function u(t) {

w=1920;h=1080;k=window;m=10;l=Math.random;x.fillRect(k.b=(((k.b||(w/2))+(l()>.5?m:-m))%w+w)%w,k.g=(((k.g||(h/2))+(l()>.5?m:-m))%h+h)%h,m,m)

Feb 23 2017 7:00 PM UTC

}// 139/140

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u/Kalanchoe

wow! here's a 103 byte version if you want to add color or something: w=1920;h=1080;f=()=>Math.random()>.5?10:-10;t?x.fillRect((b+=f()+w)%w,(g+=f()+h)%h,10,10):(b=w/2,g=h/2)
u/iverjo

Looks like this dweet is getting "awesomed" a lot due to an exploit in another dweet
u/lionleaf

#random #walk #random_walk
u/taupelink

#randomwalk

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jczimm

function u(t) {

c.width=1920;
for(i=0;i<300;i++)for(j=0;j<6;j++){x.fillRect(960+200*C(i)*S(T(t/1.1)+j/i),540+200*S(i),10,10)}

Feb 22 2017 5:23 PM UTC

}// 109/140

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Show more comments…
u/sigveseb

Very stylish!
u/ninerdelta

nice!
u/Kalanchoe

truly a compact loading spinner!
u/jczimm

Thanks!
u/serko

Any way to view this fullscreen on an iPhone?
u/tischler

Awesome. Negating t makes it more aerodynamic. =)
u/Valscor

This is so cool!
u/over

This would be an amazing loading animation !
u/katkip

This is so easy to make and it has 297 likes
u/Leodude123

ねあt
u/Leodude123

Neat!
u/Scaledish

Could I use this as a animation for my site?
u/jczimm

Yes! Consider it CC0-licensed

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mxfh

function u(t) {

c.width=w=1920;π=Math.PI/2;λ=0;r=w/4;for(φ=-π;φ<π;φ+=1/r){λ+=.1;x.lineTo(C(φ)*S(λ-t)*r+w/2,(C(t)*S(φ)-S(t)*C(φ)*C(λ-t))*r+r)}x.stroke()

Feb 20 2017 11:57 AM UTC

}// 135/140

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simple orthographic projection; try some factors on the lat λ and lon φ offsets t

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u/mxfh

simple orthographic projection; try some factors on the lat λ and lon φ offsets t
u/wicktwo

Niiiice!
u/as

i love this one
u/ssg

nice variable names!
u/donbright

so elegant
u/lionleaf

#sphere
u/lionleaf

#d3 . (3d is currently not a valid hashtag)
u/BirdsTweetCodersDweet

#whichwayround #inorout

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mxfh

function u(t) {

d=x.getImageData(0,0,w=c.width=256,h=144);for(i=0;i<h;i++)for(j=0;j<w;j++)d.data[(i*w+j)*4+3]=(i-j&j+i)*t%w;x.putImageData(d,0,0)

Feb 20 2017 3:43 AM UTC

}// 129/140

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u/jim

This is my favorite demo on Dwitter so far
u/mxfh

first draft on documenting the more obvious parts: https://news.ycombinator.com/item?id=13712558
u/hamptonio

pretty sick
u/mxfh

drone audiosoundtrack paste this:
u/mxfh

;new Audio("data:audio/wav;base64,"+window.btoa('RIFF$WAVEfmt data'+x.getImageData(0,128,c.width,32).data.reduce((data,byte)=>data+String.fromCharCode(byte),''))).play()
u/mxfh

//safer encoding: ;new Audio("data:audio/wav;base64,UklGRiQAAgBXQVZFZm10IBAAAAABAAIAAIAAAAAAAgAEABAAZGF0YQAA"+window.btoa(x.getImageData(0,128,c.width,32).data.reduce((data,byte)=>data+String.fromCharCode(byte),''))).play()
u/Xaviaro

Breathtaking!
u/lionleaf

#fractal #recursive
u/Galaxtone

Of you let it run long enough it returns to the original image but sort of pixelated and a little more and it'll return to the original image

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New_Core

function u(t) {

c.width=2e3;for(a=i=629;i--;)s=-150/((i+t*60)%a),X=a*S(i*.31)*s+1e3,Y=a*C(i*.3)*s+500,x.fillRect(X,Y,s*9,s*9),x.lineTo(X,Y);x.stroke();

Jan 17 2017 4:08 PM UTC

}// 135/140

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u/Ameo

That's ridiculously impressive.
u/Ameo

That's ridiculously impressive.
u/Ameo

That's ridiculously impressive.
u/ilSilvano

That's three times ridiculously impressive.
u/joeytwiddle

I feel like god is pulling all the thread out of the universe
u/hope4tg

Haha, agree with joey, the zoom out effect is awesome
u/Lazy1337

#d3
u/katkip

#infinite
u/vain

really impressive

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