Dweets awesomed by u/Jezza

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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nystrand

remix of d/2727 by u/joeytwiddle

function u(t) {

c.width|=p=(X,Y=X,S=X,D=16,r=_=>C(t+=S*D+t/8e6),k=_=>p(X+S*r(),Y+S*r()/3,S*.8,D-1))=>D&&x.fillRect(X,Y,S,S,x.globalAlpha=.01)&k()&k();p(580)

May 16 2017 10:12 AM UTC

}// 140/140

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u/joeytwiddle

Thank you for this :)
u/magna

WOW
u/donbright

damn
u/joeytwiddle

I learned 5 different tricks from your golfing here!
u/iverjo

#clouds
u/jdspugh

Amazing!

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joeytwiddle

remix of d/2600 by u/joeytwiddle

function u(t) {

t?c.width|=0:P=Z=5;for(i=36;i--;j==Z&&(X-1e3)**2<8e3?Z=9:Z?onclick=e=>Z--:P++)j=i>>2,x.fillRect(j?X=j%5*(t/19+i)*P%2e3:1e3,99*(j||Z),99,50)

Apr 27 2017 4:03 AM UTC

}// 139/140

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Crossy Box: Traffic Tourist

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u/joeytwiddle

I wanted a new seed for the next level but I only had space for P++. Fortunately we can do P++ on every iteration of the loop, until Boxy gets hit by an invisible car on row 0.
u/joeytwiddle

(Actually around 6 chars could be saved if we scale the canvas down, like MrM@_S did in his remix.)
u/MrM@_S

Replacing rectangles with 🚗s also saves bytes.
u/joeytwiddle

I can get 🚗 and 🐸 in ... 141 bytes ;)
u/joeytwiddle

Correction: The scene changes when Boxy get hit by the last car in row 1. Cars in row 0 do not re-assign X (and do not move).
u/iverjo

This is awesome :D A game in 139 bytes, and I actually enjoyed playing it!
u/joeytwiddle

Thanks iverjo! ❤️ Click 5 times to start playing

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magna

remix of d/2594 by u/magna

function u(t) {

w=c.width=192;for(i=w;i--;)for(j=108;j--;'PP`ĀCDHH'.charCodeAt(j&7^(t/w*X*Y&1)*7)-64&1<<(i%8^(X+Y&1)*7)&&x.fillRect(i,j,1,1))X=i>>3,Y=j>>3

Apr 26 2017 5:10 PM UTC

}// 138/140

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Truchet tiles #2

u/magna

@todo: filled version
u/magna

Filled version: https://www.dwitter.net/d/2604
u/iverjo

#dots
u/magna

#truchet
u/katkip

#tagfail

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cantelope

function u(t) {

cx=(c.width|=0)/2,cy=340
for(i=99;i--;)for(j=59;j--;)X=i/2-25-C(t)*2,Y=3+S(i/5)*S(j/5+t*3),x.fillRect(cx+1/j*X*cx,cy+Y/j*cx,s=99/j,s)

Apr 22 2017 6:28 PM UTC

}// 133/140

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u/innovati

🌊🏄
u/joeytwiddle

Beautiful
u/cantelope

innovati, i can't tell what those emojis are. lel.
u/Renaud___

great

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aemkei

function u(t) {

  // a simple dwitter quine
  x.font="50px Courier";

  (u+"")
    .split("\n")
    .map(
      (a,i) => x.fillText(a, 10, 100+i*70)
    );

Mar 19 2017 9:44 PM UTC

}// 140/140

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u/rpearl

it's not a quite a quine though ;)
u/sfz

@rpearl happy now? https://www.dwitter.net/d/2234
u/sfz

oops https://www.dwitter.net/d/2235

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recursive

remix of d/1976 by u/recursive

function u(t) {

for(d=256;--d;)for(X=-32;++X<32;x.fillRect(960+X*8e3/d,100+7e4/d-h,120,9))x.fillStyle=R(h=(C(a=d/9+t*6)+C(X/9+a/3))*35,g=h+C(X^d)*6+90,g/.8)

Mar 9 2017 12:33 AM UTC

}// 140/140

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Bluer waves

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u/sfz

Incredible
u/sigveseb

Epic
u/FireFly

This is crazy, great stuff :D
u/iverjo

Best water on dwitter thus far!
u/iverjo

I also tried to achieve this some time ago, but yours is much more convincing
u/iverjo

https://www.dwitter.net/d/65 and https://www.dwitter.net/d/254 and https://www.dwitter.net/d/295 and https://www.dwitter.net/d/366
u/recursive

Your idea gives really great color to the surface. I wonder if it's possible to animate the colors using your idea, and the wave geometry and lighting using mine.
u/magna

(ノಠ益ಠ)ノ彡┻━┻
u/Renaud___

very very nice
u/jsizzle

Seriously amazing. Wow
u/SpecialAgent

Bravo
u/ideokan

i am a web developre, feeling like a dumb monkey in here
u/PiggyClone205

Welcome to the club, ideokan.
u/Godcranberry

This sis amazing, totally my favorite
u/Godcranberry

is* mb fam
u/iverjo

#water
u/hollo47

#ocean
u/katkip

#waves
u/vain

Very nice and lovely wave

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sfz

function u(t) {

W=c.width|=0
for(i=q=20,h=q*9,H=3*h;i>0;i-=.01)N=C(t*q),O=C(i),V=3**O-2*C(4*i)-S(i/q)**5,x.fillText('🦋',W*t%4e3-H+h*O*V,H+h*(N+N*S(i)*V))

Mar 8 2017 7:06 AM UTC

}// 137/140

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Butterfly for my daughter

u/sfz

(Chrome only)
u/magna

Awesome!
u/sigveseb

Creative ^^
u/donbright

works in newer firefox!!!
u/sfz

woohoo

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New_Core

function u(t) {

c.width=1920;for(i=16;i--;)x.ellipse(1e3+300*S(t+i*.1),500+50*C(t+i*.1),160*S(-i*.5)+160,50*S(i*.1)+5,1.6+.5*S(t*.5),9.5,0,6.3);x.stroke();

Mar 3 2017 3:31 PM UTC

}// 139/140

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Show more comments…
u/sfz

wow creative!
u/sfz

reduced it by about 15 bytes in case you want to try to do something else with the extra room: c.width|=0;for(i=16;i--;)x.ellipse(1e3+300*S(t+i/9),500+50*C(t+i/9),160*S(-i/2)+160,50*S(i/9)+5,1.6+S(t)/2,9,0,7);x.stroke()
u/iverjo

So good!
u/sigveseb

is that a pseudo-3D fish? super nice!
u/donbright

marvellous
u/magna

WAAAAT
u/SpecialAgent

Magnificent depth!
u/joseprio

Really impressive :)
u/Kalanchoe

Amazing!
u/ArtsyBiker1

WHOA
u/gautjac

beautiful
u/21medals

Reduced it ±20 bytes and added beginPath() without changing any values:
u/21medals

for(c.width|=i=16;a=i--/10;x.stroke())x.beginPath(),x.ellipse(1e3+300*S(t+a),500+50*C(t+a),160*S(-i/2)+160,50*S(a)+5,1.6+S(t/2)/2,9.5,0,6.3)
u/New_Core

#fish
u/joeytwiddle

#model
u/Cloud

https://www.dwitter.net/d/17352
u/vain

incredible 3d fish

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donbright

remix of d/1755 by u/SpecialAgent

function u(t) {

n=frame
q=n%2?400:289.2
d=n%2?2*t:2*t/.61518
X=960+q*C(d),Y=540+q*S(d)
n%4?x.moveTo(X,Y):x.lineTo(X,Y)
x.stroke()
x.fillRect(X,Y,9,9)

Mar 3 2017 2:36 AM UTC

}// 133/140

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This shows the pattern traced by a line directly between the Earth and Venus as they orbit the sun. This pattern is pretty ancient, for example discussed in the book Quadrivum about the old academic relationships between art and science. This type of pattern may be helpful to appreciate the concept of Orbital Resonance in a planetary system.

Show more comments…
u/donbright

thx to https://nssdc.gsfc.nasa.gov/planetary/factsh… for the data
u/sfz

Fascinating
u/donbright

inspired by @SpecialAgent obvs!
u/SpecialAgent

This pattern is very pleasing to the eye, very nicely done!
u/sigveseb

This space stuff is nice!
u/Lazy1337

#cardioid
u/Lazy1337

#math
u/donbright

#venus #space #orbits

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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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