Hue Demo

let size = 800;

let step_size = 2;

let chance;

​

let hue = 0;

let step_hue = 2;

​

function setup() 

{

  createCanvas(windowWidth, windowHeight);

  background(100);

  colorMode(HSB);

  frameRate();

  noStroke();

}

​

function draw() 

{

    fill(hue, 50, 100);

    //step_hue = random(1, 2);

    hue += step_hue;

    if (hue < 0 || hue > 360)

    {

      step_hue *= -1;

    }

    circle(windowWidth/2, windowHeight/2, size);

    if (size < 0)

    {

      size = 800;

    }

    //step_size = random(1, 2);

    size -= step_size;

}