Dweets awesomed by u/robotkernel

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: #Food

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nickd3000

function u(t) {

for(i=0;i<23;i++)g=200*((5*t+i|0)%2),x.fillStyle=R(g,g,g),x.fillRect(80*i,5,80,20);x.drawImage(c,-5,5,1930,1080+5*S(t));

Jan 1 2018 5:36 PM UTC

}// 120/140

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u/E-Mouse

My brain hurts...
u/CliffJonesJr

I love how this might look like the floor is sloping, or it might not. So trippy. It would be nice to avoid that flashy bit at the top though. Maybe in a remix?
u/iverjo

#chess
u/joeytwiddle

#warping
u/katkip

#3d
u/katkip

#d3 #templeofsolomonfloor #perspective
u/katkip

#checkerboard

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ellisk1

function u(t) {

x.fillRect(0,0,q=c.width=2e3,q);for(i=q;i--;){r=100+(i/1e2)**4/t;z=6*S(i)+t*i/r;x.fillStyle="#fff";x.fillRect(1e3+C(z)*r,500+S(z)*r,5,5)}

Jan 1 2018 1:04 AM UTC

}// 137/140

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u/lionleaf

Awesome! A rotating black hole?
u/ellisk1

Yep! A black hole was the inspiration!!
u/donbright

awesome, closest thing to blackhole ive seen on here
u/rcdr18

What a great idea! :)

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rikardlindstrom

function u(t) {

t||x.translate(980,540)
c.style.background=R(x.fillStyle='#fff',++t<4&&x.drawImage(c,~x.fillText(0,~x.scale(s=1+C(t)/20,s),0),~x.rotate(t)))

Dec 31 2017 7:03 AM UTC

}// 140/140

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u/Flopster

Wow! Too bad it doesn't reset, but this looks incredible!
u/rikardlindstrom

Thanks! All I could fit in 140 characters. Happy to hear suggestions how to squeeze it further though!
u/magna

Amazing!
u/iverjo

Kudos
u/sigveseb

So pretty!
u/tqdwqwd

qwd
u/meesh

Wow!
u/iverjo

#galaxy
u/lionleaf

#space #stars

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Yax

function u(t) {

c.width|=0
a=300
for(i=a;i--;)
b=t/2+i,x.fillStyle=R(a,b),x.fillRect(i*10,700+a*Math.abs(S(b)),25,a),x.fillRect(a*5+i*C(b),a+i*S(b),25,25)

Dec 28 2017 12:16 AM UTC

}// 138/140

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u/sigveseb

Very stylish!
u/magna

Wow!
u/iverjo

#sun
u/joeytwiddle

#landscape #ocean #sunset

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letsbreelhere

remix of d/3826 by u/sokacsavok

function u(t) {

α=200;c.width=α*2;τ=Math.PI*2;x.font="36px A";x.fillText(['🌚','🌒','🌓','🌔','🌝','🌖','🌗','🌘'][(t|0)%8],α+C(t)*70,50+70+S(t)*70);

Dec 27 2017 3:31 AM UTC

}// 125/140

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u/abrunkhorst

This is super clever!
u/sigveseb

Needs more upvotes!
u/miggy

I love the unicode 'α'
u/xem

-18b: x.fillText([...'🌚🌒🌓🌔🌝🌖🌗🌘']
u/letsbreelhere

@xem TIL!
u/sigveseb

Ooh clever use of ... operator
u/berti

so much yes
u/lionleaf

#sun #emoji #moon

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Exquisite

function u(t) {

r=1080;d=960;c.width=2*d;for(i=0;i<999;i++){x.fillStyle=R(i%300,i%255,i%320);x.fillRect(d+300*S(i+t),r/2+300*S(i)+T(t-i),10,10);}

Dec 27 2017 2:37 AM UTC

}// 129/140

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u/netule

wonderful
u/Exquisite

Thanks :)
u/webworker

Which way is it turning? :D
u/mrremix

^ whoa yea
u/hoppla1232

Help me polarize, help polarize
u/BirdsTweetCodersDweet

#whichwayround #inorout
u/geb

#background

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snail

function u(t) {

x.transform(540,0,0,540,(c.width=1920)/2,540);
for(i=-t,n=20;n--;i+=t/8)
x.lineTo(C(i), S(i));
x.fill("evenodd");

Dec 26 2017 10:19 PM UTC

}// 113/140

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u/sigveseb

starts of basic then gets pretty cool
u/lionleaf

It gets cooler and cooler the longer you wait!
u/vain

i love it

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Citiral

function u(t) {

w=1920;for(c.width=i=w;i>=0;i-=10)for(j=0;j<1080;j+=10){i2=i-w/2;j2=j-1080/2
d=Math.sqrt(i2*i2+j2*j2)/60
o=9+C(d-t*5)*5
x.fillRect(i,j,o,o)}

Dec 26 2017 8:51 PM UTC

}// 140/140

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u/Xen

nice style...
u/Xen

done you a remix #3711
u/sigveseb

very nice steuff
u/sigveseb

stuff*
u/QuincySx

nice
u/netwander

fz_free@tom.com
u/Mew_

sweet
u/rhys5584

all glory to the hypno toad
u/IcanDivideBy0

Math.hypot(i2,j2)
u/SIGILLIM

This is oddly relaxing
u/donbright

remix https://www.dwitter.net/d/5200
u/f8f82804

#halftone
u/Fox

huh, this could make a pretty good desktop background
u/vain

looks really great

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nystrand

function u(t) {

for(i=c.width+=0;i--;x.fillRect(a*w+1e3,b*w+540,m=w/9-9,m))[a,b,z,w=(z+9+T(t))*19]=t?x[i/3|0]:[S(i),C(i),6*i%8-3],x[i/3|0]=[b+a/77,z,a-b/77]

Aug 19 2017 1:34 PM UTC

}// 140/140

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u/iverjo

Respect!
u/joeytwiddle

Wow!
u/cantelope

unreal!
u/n0va

Impressive!
u/FireFly

This one is really cool! Keep it up! :)
u/p01

👍
u/donbright

oh man!!!
u/nystrand

thanks for all the nice comments!
u/13thptr

#d3 #perspective

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mxfh

function u(t) {

for(x.drawImage(c,b=n=0,-16),i=w=960;a=C(i/w*4),b=!b,i-->-w;n+=C(t*i*i),x.fillStyle=R(e=b*w,e,e))x.fillRect(i+b+w,a>0?w+a*a*n*2+b*4:w,2,w)

Mar 13 2017 10:35 PM UTC

}// 138/140

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dwitter Album Cover Art https://blogs.scientificamerican.com/sa-visu… (deleted the prior version)

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u/donbright

wonderful
u/SpecialAgent

Nice homage to a great band :)
u/p01

Super smart implementation! Wish I saw it before I did https://www.dwitter.net/d/2958
u/zanella

I saw i--> and thought it was a new JS operator. :)
u/lionleaf

#album #album_cover
u/mxfh

#unknownpleasures #joydivision
u/rodrigo.siqueira

Here is the original Ph.D. dissertation page where this were published: https://twitter.com/ChristiansenJen/status/1…

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