Tribute to Strange Crystals by jylikangas

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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jylikangas

function u(t) {

c.width=300+S(t/2)*99
with(x)for(i=17;--i;fill())globalAlpha=.2,arc(X=99+i*S(t/3)*3,70,450/(Z=i-t*6%1),2.7,6.7)&rect(X-(z=150/Z),70+z,z*2,7)

Mar 31 2018 10:18 AM UTC

}// 140/140

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Tribute to Strange Crystals

Show more comments…
u/iverjo

Very good tunnel!
u/p01

✨ You can save 3 bytes by replacing 2.7 and 6.7 by 9 and 13
u/jylikangas

Thanks! Improved version: c.width=W=350+C(t)*150 with(x)for(i=17;--i;fill())globalAlpha=.2,arc(X=W/2+i*S(t/3)*4,70,450/(Z=i-t*8%1),9,13)&rect(X-(z=150/Z),70+z,z*2,7)
u/iverjo

#tunnel
u/sigveseb

#witchcraft
u/pavel

Even better with(x)for(c.width=W=350+C(t)*150,i=17;--i;fill(rect(X-z,70+z,z*2,7)))globalAlpha=.2,z=150/(i-t*8%1),arc(X=W/2+i*S(t/3)*4,70,3*z,9,13)
u/vain

This psydo 3D programming is just too high for me! My biggest respect! ! ++++


      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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