Top #starfield 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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KilledByAPixel

function u(t) {

for(x.fillRect(0,0,i=F=2e3,F);i--;)x.clearRect((S(i)*1e9-t*i/9)%F,i*9%F,j=i%7,j)

Apr 17 2019 5:42 AM UTC

}// 80/140

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2D #Starfield golfed down to 80 bytes!

u/KilledByAPixel

Reposted to fix issue where it would slow down over time. (It still does but it takes MUCH longer.)

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384.cz

function u(t) {

for(x.fillRect(0,0,c.width=k=99,k),i=k;i--;)x[l="clearRect"](T(S(i))*k,t*i%k,2,3),9>i&&x[l](9+9*(S(t)+i),19,5,19)

Aug 23 2023 7:38 AM UTC

}// 113/140

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#default #starfield

u/cantelope

i'm not seeing the starfield

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katkip

function u(t) {

x.fillRect(0,0,2e3,2e3)
c.onmousemove=e=>{X=e.x,Y=e.y}
for(i=96;i--;)for(j=54;j--;)x.clearRect(i*20+C(X/999+i*j)*X,j*20+S(Y/999+j*i)*Y,6,6)

Jan 20 2019 9:37 AM UTC

}// 139/140

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#interactive move mouse to rotate 3D #starfield

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username

function u(t) {

x.fillRect(0,i=t*99,F=2e3,F)
x.clearRect(S(i)*1e9%F,...[i,9,9])

Apr 23 2019 2:20 PM UTC

}// 63/140

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#starfield secret golf for u/KilledByAPixel in here

u/Xen

nice trick
u/KilledByAPixel

so, what does this do exactly?
u/username

primarily I left out the parentheses, which are mathematically not needed
u/KilledByAPixel

nice! 2 more bytes
u/joeytwiddle

The stars twinkle when I scroll the page

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384.cz

function u(t) {

c.style.filter="invert("
for(c.width|=0,g=0|t*4,f=e=>g=(g/9+(9*(g+"")[9]|g|g/7|(g^9)*g|g&g*g))%2e3,i=1e3;i--;)x.fillRect(f(),f(),3,3)

May 5 2024 3:26 PM UTC

}// 133/140

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#starfield

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katkip

function u(t) {

s=1337
c.style.background='#000';x.fillStyle='#fff2'
m=s+C(t*9)*5|0
for(i=213;i--;)x.fillRect(i*9,540+T(i*C(i*m)+m*S(i*m))*500,4,4)

Mar 2 2019 2:44 PM UTC

}// 131/140

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Seeded #starfield, #seed #generator #application #stars #space #star. Modify the s value for a custom starred sky

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iverjo

function u(t) {

c.width=1920;for(i=6e3;i--;)s=1/(2100-(i+t*99)%2081),q=9e4*s*s,x.fillRect(960+2e5*s*C(i*173)-q/2,540+2e5*s*C(i*2e5)-q/2,q,q)

Jul 24 2016 2:42 PM UTC

}// 124/140

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A remake of the "Starfield" screensaver that was included in Windows 98

u/iverjo

If you watch this in fullscreen and stare at the center, your brain might be fooled into believing that you are moving
u/iverjo

#starfield #stars

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loktar

function u(t) {

x.fillRect(0,i=t*9,F=2e3,F)
x.clearRect(S(i)*F,i,2,2)

Jun 25 2019 9:26 PM UTC

}// 53/140

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#Starfield Shaved off 4 more bytes

u/loktar

Looks like it was already done here, https://www.dwitter.net/d/13453 53 seems to be the lowest
u/Xen

follow the remix's theres an extreme 23byte
u/loktar

LOL wow, that does get insane

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New_Core

function u(t) {

if(!t){s=[];for(a=i=1e3;i--;)s[i]=Math.random()*a-(e=500)};c.width=a*2;for(i=a;i-=4;)p=e/(e-s[i+3]++%e),x.fillRect(a+s[i]*p,e+s[i+1]*p,4,4)

Nov 14 2016 6:49 PM UTC

}// 139/140

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I gave it a shot but its not so good ;)

Show more comments…
u/lionleaf

Looks pretty good in fullscreen :) Iverjo did a similar one way back: #363 (those should hyperlink ;) )
u/lionleaf

(But don't yet)
u/New_Core

yea I saw it after I was done, and it was shorter..
u/New_Core

I allways post things to fast, put a p instead of the numbers 4 in the end.. for a better star size.
u/iverjo

Nice approach :)
u/iverjo

#stars #starfield

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