A simple tunnel to use a base for futur… by anthonylewis

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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anthonylewis

remix of d/7659 by u/New_Core

function u(t) {

w=c.width^=0
for(i=30;i--;)
Z=w/(i-t%2+1),x.rect(-Z/2+960,-Z/2+540,Z,Z),x.stroke()

Apr 20 2018 12:16 AM UTC

}// 82/140

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A simple tunnel to use a base for future effects (hopefully)

u/jylikangas

You can use strokeRect here. Golfed to 71b... for(w=c.width|=i=30;i--;x.strokeRect(960-Z/2,540-Z/2,Z,Z))Z=w/(i-t%2+1)
u/magna

#tunnel


      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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