New #space dweets

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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sam

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=5e3;i--;Z=170-(t*60+i)%160,s=280/Z,x.clearRect(960+1/Z*(-99+i*3e72%199)*900,540+(-70+i*8e01%140)/Z*700,s,s));

Jan 31 2019 12:10 PM UTC

}// 139/140

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u/katkip

#starfield #stars #space #d3
u/cantelope

reciprocals tho: 960+1/Z*(-99+i*3e72%199)*900 -> 960+(-99+i*3e72%199)/Z*900
u/cantelope

might have been good to reference the source: d/2336

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katkip

function u(t) {

eval(unescape(escape`楦⡦牡浥㰹㤹⥻挮獴祬攮扡捫杲潵湤㵒⠩㭦潲⡪㴵〻樭ⴻ⥸⹦楬汓瑹汥㵠桳污⠤笳〫匨琪琯権⨳ぽⰹ㤥ⰵ〥Ⱞㄩ怬砮晩汬剥捴⠹㘰⭃⡴⩴⤪⠵〰⵪⨱〮ㄫ吨琪琪琩⤬㔴〫匨琪琩⨨㔰〭横㄰⸱⭔⡴⩴⩴⤩ⰱ〬㄰⥽`.replace(/u(..)/g,"$1%")))

Dec 13 2018 1:36 PM UTC

}// 140/140

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If you #waitforit, you can clearly see the perfect #sun structure: Core, Radiative zone, Tachocline, Convective zone, Photosphere, Atmosphere #space if(frame<999){c.style.background=R();for(j=50;j--;)x.fillStyle=hsla(${30+S(t*t/j)*30},99%,50%,.1),x.fillRect(960+C(t*t)*(500-j*10.1+T(t*t*t)),540+S(t*t)*(500-j*10.1+T(t*t*t)),10,10)}

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ellisk1

function u(t) {

c.width=99;x.translate(-9,-9);for(j=157;j--;x.rotate(.01))for(i=125;i--;)x.fillRect(i,0,i<72?S((j-t/3)*i/3)/9:C(j*i+t)<.9-(i+2*S(j/2)<75),1)

Nov 2 2018 1:52 PM UTC

}// 140/140

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Surface of the Sun

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tomxor

function u(t) {

x.fillRect(0,0,i=2e3,i)
for(t+=240;i--;c=t/3*(i%t<t/8))x.clearRect(960+c*S(R=i**.7)+t*C(T),540+c*C(R)+t*S(T=i**.5)*C(!c*i),s=8*S(i*160-t),s)

Oct 28 2018 5:35 PM UTC

}// 140/140

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#space #star #sun

Show more comments…
u/katkip

awesome
u/tomxor

It looks a bit more toasty if you multiply t*2 in i*160-t, just couldn't figure out how to fit it.
u/f8f82804

almost looks like a #virus
u/iverjo

#solar #flare
u/Cloud

#sun
u/erin

virus aged badly....
u/vain

has corona reached dwitter? Great procedural generated gfx

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tomxor

remix of d/10534 by u/tomxor

function u(t) {

k=160,i=1e3,w=.04
for(t+=32;p=i&1,m=k/C(t/i)+p*(k/2+i%k),i--;)x.fillRect(
960+m*S(n=t/16+i*i)*C(!p*i/t),
540+m*C(n+p*2),s=w-C(n)*w,s)

Oct 20 2018 1:58 PM UTC

}// 133/140

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#space #saturn #drawing

u/katkip

oh wow
u/joeytwiddle

Very nice. Set w=.2 if you don't want to #waitforit
u/tomxor

Oops, this doesn't seem to work at all in some browsers... showing up the aignificant subpixel interpolation differences between canvas implementations. Works in chrome - soz

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tomxor

function u(t) {

x.fillRect(0,0,i=2e3,i)
for(t+=160;p=i&1,m=t/C(t/i)+p*(t/2+i%t),i--;)x.clearRect(
960+m*S(n=t/9+i*i)*C(!p*i/t),
540+m*C(n+p*2),s=3-C(n)*3,s)

Oct 17 2018 8:45 PM UTC

}// 140/140

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#space #planet #saturn

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u/joeytwiddle

Wow, beautiful! I am blown away. #dots #lighting #shading
u/lionleaf

Wow! That's amazing
u/magna

WOW!
u/sigveseb

no way!
u/yonatan

beautiful!
u/jellyedwards

That's incredible, well done!
u/jellyedwards

If you change this bit too use t it's like Saturn uses its ring as a hula hoop: 540+m*C(n+p*t)
u/katkip

woow... gj bro
u/keithclark

Nice!!!
u/aleamb

wow! superb!
u/iverjo

That's pretty rad
u/rnbw

my mind is officially boggled o_o
u/Purpzie

This is absolutely beautiful.
u/tomxor

Thanks for all the kind comments :) for those interested: the key is in the parity bit p=i&1 this allowed me to combine two different but similar functions by multiplying parts in an out on each iteration. You should be able to pull the two apart into something more intelligible.
u/magna

@tomxor are you on Twitter as @tomxor by any chance?
u/tomxor

I am not, nor am I on any other social network... unless you consider Github one :P but a different pseudonym..
u/jylikangas

Beautiful dweet!
u/aleamb

The Cosmos is all that is, or ever was, or ever will be. The contemplation of the this Cosmos stir us.
u/Renaud___

so Beautiful
u/ivylab

This is absolute badass
u/vain

OMG! This part blew me away!
u/jdspugh

Well done!

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katkip

function u(t) {

c.width*=1,x.lineWidth=9,x.arc(960,540,100,0,7),x.arc(m=960+S(t)*240,n=540+C(t)*240,50,0,7),x.arc(m+S(t*4)*90,n+C(t*4)*90,25,0,6),x.stroke()

Sep 20 2018 3:28 PM UTC

}// 140/140

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#orbit #space #gravity

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katkip

function u(t) {

for(i=2;i<1e2;i++)x.fillRect(960+C(i+t*2)*1920/(i+t/99),540+S(t*2+i)*1080/(i+t/99),15,15),x.fillStyle=`hsla(${i*92+t*5},99%,50%)`

Aug 30 2018 2:06 PM UTC

}// 129/140

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#orbit #sun #galaxy #space #stars <- hashtag abuse lol

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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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itsjustmustafa

function u(t) {

x.fillRect(0,0,1920,1080);x.font="99px a";for(i=6;i>-1;i--)x.fillText(["🌞","🌍","👽","🚀","🛰️","🌌"][i],880+i*150*S(t*i),590+i*90*C(t*i))

Dec 27 2017 10:21 AM UTC

}// 134/140

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u/iverjo

+1 for the concept ;)
u/joeytwiddle

#emoji in #space #planet

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