d/3923 by CliffJonesJr

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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CliffJonesJr

function u(t) {

t||(Y=y=960,Z=z=540,γ=ζ=0)
c.width=1920
y+=γ+=S(t)+(Y-y)*.002
z+=ζ+=C(t)+(Z-z)*.005
x.font=(90+z/10)+'px A'
x.fillText(z<700?'😀':'😃',y,z)

Dec 27 2017 6:36 AM UTC

}// 137/140

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u/mohd-akram

Like one of those annoying video game bosses :D
u/CliffJonesJr

I was originally going to make the motion random, but that char limit is tough! Looks pretty random at least.


      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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