d/888 by jczimm

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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jczimm

function u(t) {

c.width=1920;
for(i=0;i<300;i++)for(j=0;j<6;j++){x.fillRect(960+200*C(i)*S(T(t/1.1)+j/i),540+200*S(i),10,10)}

Feb 22 2017 5:23 PM UTC

}// 109/140

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Show more comments…
u/sigveseb

Very stylish!
u/ninerdelta

nice!
u/Kalanchoe

truly a compact loading spinner!
u/jczimm

Thanks!
u/serko

Any way to view this fullscreen on an iPhone?
u/tischler

Awesome. Negating t makes it more aerodynamic. =)
u/Valscor

This is so cool!
u/over

This would be an amazing loading animation !
u/katkip

This is so easy to make and it has 297 likes
u/Leodude123

ねあt
u/Leodude123

Neat!
u/Scaledish

Could I use this as a animation for my site?
u/jczimm

Yes! Consider it CC0-licensed


      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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