Dweets awesomed by u/Tesseract

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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Tesseract

remix of d/8200 by u/Tesseract

function u(t) {

for(i=v=950;i--;)x.fillStyle=R(T=T*.9+25*((r=((t+i*99)**5)%3&3)&2)|0,(c=c*.9+50*(!r)|0),0),
x.fillRect(S=9+v*r+S>>1,C=v-v*(1&r)+C>>1,1,1)

May 22 2018 6:19 PM UTC

}// 137/140

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Tesseract

remix of d/2667 by u/yonatan

function u(t) {

r=(t**5)%6&6,
x.fillRect(S=425*r+S>>1,C=425*(2&r)+C>>1,3,3)
//slow but short

May 22 2018 5:43 PM UTC

}// 76/140

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u/lionleaf

#short
u/S.T.L.K.R.

Damn I was trying to do that

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robbyg

remix of d/7417 by u/robbyg

function u(t) {

R=Math.random,t||(p='m 960 540')
x.lineWidth=3
x.stroke(new Path2D(p+=[['h','v'][~~(R()*2)],20*(R()>.5?1:-1)].join(' ')))

May 21 2018 9:28 PM UTC

}// 121/140

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Xen

function u(t) {

x.fill(x.arc(t,t,c.width=t,0,7))

May 21 2018 4:41 PM UTC

}// 32/140

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u/jick

Wow, this is really nice.

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magna

remix of d/8067 by u/New_Core

function u(t) {

b=(X,Y,r)=>x.arc(X,Y,r,~x.beginPath(),7)&x.stroke();for(c.width|=i=389;i--;b(X-S(a=t*2+i/2)*70,Y+C(a)*70,9))b(X=i%26*80,Y=~~(i/26)*80,70)

May 10 2018 8:23 PM UTC

}// 137/140

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Wireframe mode

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camel_case

function u(t) {

x.fillRect(X+=C(H+=+s[j++]*Math.PI/3)*9,Y+=S(H)*9,4,4)
}for(X=Y=H=j=0,i=s="0";i<5;i++)s=s.replace(/0/g,"0104010");{

Apr 18 2018 2:51 PM UTC

}// 115/140

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First attempt at L-System

u/zanella

Fractals always get my "Awesome!". :)
u/BuRRak

#fractal

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jylikangas

function u(t) {

for(c.width=i=714;i--;F(t+i/714+(i>>7)/9,-9))(F=(a,o)=>x.strokeRect(357+S(a)*290-o/(Z=C(a)+1+(t%6<3)),99+C(a*(t/6%4|0))*99/Z,o/=Z/2,o))(i,4)

Apr 17 2018 9:12 AM UTC

}// 140/140

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CHOO CHOO! Let it run to see all the tracks. :)

Show more comments…
u/Agnes

This is your most unbelievable one so far. What the hell.
u/aemkei

Just WOW!!! I can even hear the sound
u/Galaxtone

I stil ldon't know how to make a 3d engine and a camera view that moves around in only 140 bytes
u/New_Core

Very good one...
u/stiaje

No, this is just not supposed to be possible!
u/sigveseb

so simple and elegant :))
u/magna

Dude!
u/nystrand

Outstanding!
u/Renaud___

so great OO
u/aleamb

superb!!
u/hollo47

No. This is not possible.
u/artfarnaa

He's somehow linking another JS :}}
u/lionleaf

Woah!
u/jylikangas

http://jsriffs.blogspot.fi/2018/04/making-of…
u/iverjo

This is really, really impressive!
u/prinzphi

Unbelievable!
u/lionleaf

#train #3d #camera #hashtag_testing
u/sigveseb

Nice Making-of article! <3 more of those please :))
u/sigveseb

#witchcraft
u/lionleaf

#amazing
u/lionleaf

#making_of #blog
u/aleamb

#rollercoaster
u/pythech

wtf! many thanks for the blog post
u/micahcowan

#wireframe
u/alien

WTF!!!!
u/katkip

Wow
u/f8f82804

#d3
u/donbright

YES
u/mpasula

this is just so fucking cool!
u/Tekmap

👏👏👏👏👏
u/stephanegeorget

OMG
u/vain

How? O.o I am very enthusiastic and at the same time speechless

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AnnanFay

remix of d/7492 by u/AnnanFay

function u(t) {

c.width|=0
P.push(1+P[2*(1<<Math.log2(f++))-f])
x.fill(new Path2D('M960,540'+P.map(v=>'hv'[v&1]+'-| '[v&2]).join(s=60/t**.5)+s))}{P=[f=1]

Mar 27 2018 9:42 PM UTC

}// 137/140

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Dragon Curve - filled version

u/Xen

love it!
u/joeytwiddle

novel presentation!
u/katkip

#julia #fractal
u/donbright

now thats a good way to draw a dragon

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BalintCsala

function u(t) {

for(X=99;X--+200;)for(Y=99;Y--+99;)((f=(n,x,y)=>n&&x<2&&y<2&&f(n-1,x*x-y*y+U,2*x*y+V))(99,U=X/99,V=Y/99)===0&&x.fillRect(X+200,Y+99,1,1))

Mar 24 2018 10:13 PM UTC

}// 137/140

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Mandelbrot set

u/iverjo

#mandelbrot #fractal

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Jezza

function u(t) {

if(!t)c.width=w=192,a=new Uint8Array(z=20736);for(m=0;m<z;m++)y=a[m]=(1.9+a[m+1]+a[m+w])/1.7,x.fillStyle=R(9,y,99),x.fillRect(m%w,m/w,1,1)

Mar 19 2018 9:24 AM UTC

}// 140/140

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I was doing something else and then this happened.

u/Xen

Nice
u/CtrlAltCuteness

Reminds me barely of old 3D from the old DOS era.

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