Dweets awesomed by u/Tosmatobeef

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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Current theme challenge: #Opposites

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eruonna

function u(t) {

for(c.width&=i=-9;i<9;i++,x.fillStyle=`hsl(${9*i},99%,50%`,x.beginPath(),r=i*40,x.arc(960+r*S(t/Math.abs(i)),540+r*C(t/i),20,0,6),x.fill());

Apr 14 2017 8:43 PM UTC

}// 140/140

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u/donbright

fascinating that they dont seem to overlap (ever?)

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donbright

remix of d/2476 by u/keithclark

function u(t) {

onmousemove=e=>(T=e.pageX/99,R=e.pageY*5)
for(a=c.width^=0;a--;x.fillRect(C(a-T)/S(b)*h+960,C(b)*h+540,i=h/40-5,i))h=900/(2-S(a-T)*S(b=a/R))

Apr 14 2017 12:57 AM UTC

}// 140/140

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please move your mouse up/down/left/right inside the energy mushroom. (adding mouse to @keithclark 's globe, modded shape, w @Jenky for mous-piration)

u/gabrielsroka

#interactive

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joeytwiddle

remix of d/1763 by u/New_Core

function u(t) {

onkeyup=e=>{T||a.close();a=new AudioContext;o=a.createOscillator();o.connect(a.destination);o.frequency.value=7*1.06**e.keyCode;T=o.start()}

Apr 13 2017 12:32 PM UTC

}// 140/140

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A piano you can play with your keyboard. G is middle-c, i think

Show more comments…
u/joeytwiddle

Twinkle little star: GGNNPPN LLKKIIG NNLLKKIx2 GGNNPPN LLKKIIG
u/joeytwiddle

Silent Night: G IG D, G IG D, N NK, L LG, (I IL KIG IGD)x2, N NQ NKL P LGDGEB L
u/joeytwiddle

Star Wars: (IIIN U SRPZ U SRPZ U SRSP)x2 I IK KSRPN NPRP KM, I IK KSRPN UP. I IK KSRPN NPRP KM, IIN LJI GED BI. IKNSP
u/joeytwiddle

Thanks to @donbright who showed me where i could save 5 chars
u/iverjo

Very impressive :D
u/donbright

this is unbelievable. (ps thx but i stole the idea from others here)
u/donbright

(ok technically they gave it to me prob @cantelope / @manga)
u/Woodmouth

This is the strangest piano i've ever played, but good job!
u/Woodmouth

Also, i found a way to stop it, just press shift. (or any other key with a value too high or low to hear (At least i think that's what happens))
u/joeytwiddle

and of course thanks to New_Core for the intro to Web Audio API
u/joeytwiddle

#audio #music #piano #interactive
u/joeytwiddle

Star Trek intro: R M P H, F KP OKHMR RV Q T L, J OT SOLQV VZ
u/joeytwiddle

Star Trek main: B-L-KIGFE, C B-N-LKIGF, E-D FGIKLKN Q, P N D, I G (ILPS!)
u/joeytwiddle

One more you might know: NPSP WWU, NPSP UUS, NPSP S UR N NU S
u/joeytwiddle

Check the old comments for some simple tunes to play. You'll need to click on the blank canvas for keyboard focus. Hit Space, Shift or Escape for "silence".

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donbright

remix of d/2473 by u/Woodmouth

function u(t) {

t?o.push({a:9,b:9}):(o=[],d=0)
o.map(p=>{d=p.b>1080?3:p.b<0?0:p.a>1920?5:p.a<0?2:d+frame%5/5-.5
x.fillRect(p.a+=9*S(d),p.b+=9*C(d),9,9)})

Apr 13 2017 2:42 AM UTC

}// 137/140

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Islands, made by @Woodmouth's walkers

u/donbright

Credit to @Kalanchoe for https://www.dwitter.net/d/1395 method

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joeytwiddle

function u(t) {

for(i=c.width=90;i--;t?x.fillText(T[i],i%4*17,9+10*(i>>2)):T[i]=g=i)c.onclick=e=>{d=(h=e.x/99|0+4*(e.y>>6))-g;d*d&17&&(T[g]=T[h],T[g=h]='')}

Apr 11 2017 4:03 PM UTC

}// 140/140

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Can you arrange the numbers vertically? Feel free to use the special moves!

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u/Woodmouth

It's not a space limitation issue, it's a feature!
u/donbright

absolutley brilliant however e.x/e.y dont seem to work in firefox
u/joeytwiddle

Thanks don. I golfed this over a 24 hour period, but could not squeeze a better "valid move" rule in. Remixes welcome!
u/donbright

firefox should adopt e.x and e.y just so your dweet work
u/joeytwiddle

Hehe. Sadly the mouse coords are also problematic in fullscreen, and on mobile.
u/joeytwiddle

Valid moves are -4,-1,+1,+4. I have found a "valid move" test: **2|17)^17|| Will post the remix sometime.

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cantelope

function u(t) {

w=c.width=400
for(i=8;i--;X=w/2+(Z=1/(2+C(p=1.047*i*2+(i<4)+t)))*S(p)*w/2,Y=Z*w/2-w/20,i==3?x.moveTo(X,Y):x.lineTo(X,Y),x.stroke());

Apr 9 2017 10:23 PM UTC

}// 132/140

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🕎 Shalom! 🕎

u/donbright

great use of perspective

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recursive

function u(t) {

x.fillRect(C(t/5)*960+960,S(t)*270+270,9,9)
x.clearRect(0,h=540,2e3,h)
for(i=544;i-=8;)x.drawImage(c,0,h-i,2e3,8,0,h+i*(S(i+t)/9+1),2e3,8)

Mar 12 2017 11:00 PM UTC

}// 138/140

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Reflections

u/Renaud___

Nice idea
u/codeslaw

love this
u/FireFly

Lovely reflections :D

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kchplr

function u(t) {

for(c.width|=0,i=400;i--;T=((1+S(t))/2)**3,x.fillRect(490-(S(X*T)*500-500)*T,540+C(X)*500,S(X*T)*1000*T+1000*(1-T),10))X=i%400/128

Mar 11 2017 11:25 PM UTC

}// 130/140

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u/recursive

Has the character of a viscous fluid somehow.

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aemkei

function u(t) {

c.width^=0;for(Y=12;Y--;)for(X=12;X--;)(1<<X)&[,396,82,66,76,80,76][Y]||x.fillRect(1190-X*50+S(t+X/10)*30,700-Y*50+C(t*3+X/4)*30,36,36)

Mar 10 2017 7:55 PM UTC

}// 135/140

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u/donbright

lol i salute this flag
u/joeytwiddle

#flag
u/atgz

#logo

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veubeke

function u(t) {

c.width^=o=0;for(i=30;i--;x.stroke())P=Math.PI,$=S(t%P),_=C(i/5)*$,x.beginPath(o+=3-$+_),x.ellipse(o*4+t*60-300,(21+_-S(t%P))*50,9,30,0,0,7)

Mar 6 2017 5:39 PM UTC

}// 140/140

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Inspired by https://www.dwitter.net/d/1829

dwitter.net | Tosmatobeef (1422)