Top #galaxy 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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Obelex

function u(t) {

x.fillStyle=R(i=0,0,0,.3)
x.fillRect(0,0,a=2e3,a)
x.fillStyle="#FFF"
for(;i<350;)x.fillRect(960+2*i*C(t+i),540+i*S(i)+i*i++%83,9,9)

May 30 2022 9:15 AM UTC

}// 131/140

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Rotating #galaxy

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katkip

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𨡡𨱫𩱲𫱵𫡤🐢𘰱𜀱𘠻𨰮𭱩𩁴𪀪🐱𞱸𛡦𪑬𫁓𭁹𫁥🐢𘱦𩡦𘠻𦀽𦐽𜀻𩡯𬠨𪐽𞀹𞐻𪐭𛐻𚑸𛡦𪑬𫁒𩑣𭀨𦀪𝐰𜀫𜐶𜀬𝐰𜀫𦐪𜰰𜀫𤰨𭀯𞐩𚠳𜀰𛀹𛀹𚐬𦀫👓𚁙𚱓𚁴𛰹𚐩𛁙𚰽𠰨𦀫𦐯𞐹𚐠`.replace(/uD./g,'')))

Jul 28 2019 8:28 PM UTC

}// 119/140

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#space #galaxy c.style.background="#101";c.width*=1;x.fillStyle="#fff";X=Y=0;for(i=899;i--;)x.fillRect(X*500+160,500+Y*300+S(t/9)*300,9,9),X+=S(Y+S(t/9)),Y+=C(X+Y/99)

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f8f82804

remix of d/9191 by u/f8f82804

function u(t) {

x.globalAlpha=.1;for(i=a=30;z=--i*a*C(b=i+99*t/i/i);)x.fillRect(960+3e5*S(b)*i/(d=2e3-z),540+1e3*z/d,9,9)

Aug 16 2018 1:29 AM UTC

}// 105/140

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#perspective #galaxy

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f8f82804

remix of d/9190 by u/f8f82804

function u(t) {

x[s='fillStyle']='#0001';x[r='fillRect'](0,0,w=1920,w);for(i=a=30;z=--i*a*C(b=t/i/i);x[s]='red')x[r](w/2+3e5*S(b)*i/(d=w-z),w/4+1e3*z/d,9,9)

Aug 10 2018 12:00 AM UTC

}// 140/140

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#galaxy #trails #perspective -- had to give up the "random" starting locations to fit in a perspective transform. Using red saves a character over #fff.

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iverjo

function u(t) {

c.width=2e3;for(i=132;i--;){x.fillStyle=R(-59*T(1.7*t-.02*i),0,159*S(t-.01*i));x.fillRect(960+6*S(i+.5*T(t))*i,540+6*C(i+t)*i,i,i)}

Feb 21 2016 8:35 PM UTC

}// 131/140

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#galaxy

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katkip

function u(t) {

c.width^=0;for(i=1000+(900*S(t))|0;i--;)x.fillRect(960+C(i+t/9)*i*S(i*2)/3,540+S(i+t/2)*i*C(i*2+3.14/2+C(t)/2)/3,9-i/99,9-i/99)

Mar 1 2019 8:09 PM UTC

}// 127/140

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#d3 #galaxy another one

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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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f8f82804

remix of d/9252 by u/f8f82804

function u(t) {

x.globalAlpha=.01;x.fillRect(0,0,2e3,2e3);for(i=a=30;z=--i*a*C(b=i+99*t/i/i);)x.clearRect(960+3e5*S(b)*i/(d=2e3-z),540+1e3*z/d,9,9)

Aug 22 2018 4:44 PM UTC

}// 131/140

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#perspective #galaxy #trails

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f8f82804

remix of d/2538 by u/terkel

function u(t) {

x[s='fillStyle']='#FFF1'
x[r='fillRect'](0,0,w=c.width,w)
for(i=a=30;i--;x[r](w/2+S(b=i+7*t/i/i)*250*i,w/4+C(b)*a*i,a,a))x[s]=R(i*t/a,i*a,i)

Aug 9 2018 10:36 PM UTC

}// 140/140

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pseudo-orbits #galaxy #trails

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