Dweets awesomed by u/akm

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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donbright

remix of d/2627 by u/saschavoid

function u(t) {

onmousemove=e=>(阳=e.pageX/41,月=e.pageY/31)
x.globalAlpha=.1
for(x.fillRect(0,0,i=2e3,i);i--;)x.clearRect(i,500+99*(S(t*2+i/阳)+C(t+i/月)),1,9)

Apr 29 2017 12:10 PM UTC

}// 140/140

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tone and overtone. (please move mouse over picture)

u/coderkid

lovely
u/gabrielsroka

#interactive

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vvarr

function u(t) {

i=q=c.width=2e3
for(;i--;x.fillRect(o*C(a)*z+q/2,(r*S(b)+190)*z,z*=z/2,z))z=q/((o=2e2+(r=25+9*C(6*S(a=i/310-t)))*C(b=i%50/8))*S(a+=2*t)+710)

Apr 26 2017 12:06 AM UTC

}// 140/140

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u/donbright

wwooooahhh!!!
u/rileyjshaw

for(i=q=c.width|=0;i--;... can save a few bytes :)
u/Kalanchoe

oh wow! this is mind-blowing
u/sigveseb

Very cool stuff
u/vvarr

Thanks a lot guys, my first dweet! ^^

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Jenky

remix of d/2522 by u/magna

function u(t) {

c.width|=i=0
x.font='50px monospace';((u+'').slice(0,t*4+S(t)*6)+`
|`[t*2&1]).split(`
`).map(r=>x.fillText(r,0,++i*50))

Apr 18 2017 4:57 PM UTC

}// 119/140

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You could keep it as +' |' instead of +<return>| but hey, we want to see the whole thing, right? :D

u/magna

Excellent use of `!

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mxfh

function u(t) {

c.width|=b=50
h=b-S(t)*b*5
for(e=6.283;e>0;x.lineTo(d*C(e-=.01)+h*C(s=d/b*e)+960,(d)*S(e)-h*S(s)+540))d=300-b
x.fill("evenodd")

Apr 7 2017 10:55 PM UTC

}// 127/140

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http://mathworld.wolfram.com/Hypotrochoid.ht…

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codeslaw

function u(t) {

x.drawImage(c,-10+S(t)*4,0)
i=e=1900;while(i--)x[g='fillText'](['💭','🌎','🍁','👾','😂'][Math.abs(~~(5*S(C(i)*6)))],e-i%20,S(i+S(S(t)))*e)

Mar 29 2017 9:10 AM UTC

}// 134/140

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Tapestry #1

u/z3vin

nice use of emoji as coloring
u/recursive

That's a very convincing woven rug.
u/sigveseb

very nice! also looks quite different from platform to platform (windows, mac, android, etc)
u/magna

Looks super great on Chrome on macOS.
u/joeytwiddle

#texture #colors #tartan #cloth #material

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Jenky

remix of d/2256 by u/sfz

function u(t) {

t=t%((r=Math.random)()*.6+.6)>.01||new Audio(`http://www.soundboardcity.com/sounds/fart-machine/fart${~~(r()*9)+1}.mp3`).play()

Mar 25 2017 1:00 AM UTC

}// 127/140

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Guys I'm very mature

u/donbright

Me too. We are all very grown up and serious here on Dwitter. Your insightful analysis of methane emissions will prove a great contribution to climate science.
u/joeytwiddle

Well this made me laugh :)

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aemkei

function u(t) {

t||(W=c.width=600);i=W;for(x.fillRect(0,0,W,W);i--;x.fillText(unescape("%u30B"+C%9),i*9,C=~~(t*9+i**3)*12%W))x.fillStyle=R(0,i&&W,0,i?1:.05)

Mar 19 2017 8:18 PM UTC

}// 140/140

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Welcome to the Matrix!

u/iverjo

#matrix
u/danny@hille.dk

More speed longer trails !t?W=c.width=600:i=W;for(x.fillRect(0,0,W,W);i--;x.fillText(unescape("%u30B"+C%9),i*9,C=~~(t*15+i**3)*11%W))x.fillStyle=R(0,i&&W,0,i?1:.03)
u/vain

Beautiful looking remake of the matrix fx

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donbright

remix of d/1399 by u/Kalanchoe

function u(t) {

c.width^=0
t?o.push({X:1e3,Y:500,U:9*S(t),V:t%9}):o=[]
o.map(a=>{a.X+=a.U+=a.X>1e3?-.1:.1,a.Y+=a.V+=a.Y>500?-.1:.1,x.fillRect(a.X,a.Y,9,9)})

Mar 15 2017 12:03 AM UTC

}// 140/140

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kchplr

remix of d/2012 by u/kchplr

function u(t) {

for(i=99;i--;A=T%6.35,r=30+((T/6.35|0))**1.05*15,r+=S(A+S(T*6))*(r/9+C(T)*5),x.fillRect(960+S(A)*r,540+C(A)*r,2+r/99,2+r/99))T=t*9+i/99

Mar 10 2017 8:31 AM UTC

}// 135/140

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u/jsizzle

Cool!
u/DataMeta

#hiddengem #spiral #topology

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tomkh

function u(t) {

for(c.width=i=1920;i--;){for(h=63&i,v=i>>6,e=k=g=30;k--;)r=S(k-t)+1-h/g,d=C(3*k+t)+1-v/g,d=d*d+r*r,e=e>d?(s=k,d):e;x.fillRect(h*g,v*g,s,s)}

Mar 5 2017 7:47 PM UTC

}// 139/140

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u/sfz

What alchemy is this?
u/tomkh

just a brute-force Voronoi Diagram
u/donbright

WOWWWWW
u/magna

How in the ...
u/Xen

131bytes: for(c.width=i=1920;i--;x.fillRect(h*g,v*g,s,s))for(h=63&i,v=i>>6,k=e=g=30;k--;e=e>d?(s=k,d):e)d=C(3*k+t)+v/g,d=d*d+r*(r=S(k-t)+h/g)
u/Xen

131bytes: for(c.width=i=1920;i--;x.fillRect(h*g,v*g,s,s))for(h=63&i,v=i>>6,k=e=g=30;k--;e=e>d?(s=k,d):e)d=C(3*k+t)+v/g,d=d*d+r*(r=S(k-t)+h/g)

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