#Default #Starfield by KilledByAPixel

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

remix of d/13273 by u/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)
for(i=0;i<9;)x.clearRect(400+i++*100+S(t)*300,400,50,200)

Apr 17 2019 5:43 AM UTC

}// 138/140

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#Default #Starfield

u/joeytwiddle

These are the voyages of the Starship Ninebars
u/KilledByAPixel

Its continuing mission: to explore strange new dweets.
u/KilledByAPixel

golfed... for(x.fillRect(0,0,i=F=2e3,F);i--;)x.clearRect(...i<9?[400+i*99+S(t)*300,400,50,200]:[(S(i)*99-t/9)*i%F,i*9%F,j=i%7,j])


      u(t) is called 60 times per second.
      t: elapsed time in seconds.
      c: A 1920x1080 canvas.
      x: A 2D context for that canvas.
      S: Math.sin
      C: Math.cos
      T: Math.tan
      R: Generates rgba-strings, ex.: R(255, 255, 255, 0.5)

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