var Bef;

var Aft;

var BgColor;

var count;

var diff;

var rand;

var randP;

var d;

var x;

​

function setup() {

  createCanvas(400, 400);  

  Price = 0.1;

  count = 0;

  Bef = 0;

  Aft = 0;

  BgColor = 0;

  diff = 0;

  d = 9;

​

}

​

function draw() {

  background(BgColor);

x = Price - Price/5;  

rand = round(random(1,2 + d));  

diff = Aft - Bef;  

count = count + 1;

randP = random(1 + d/5,2 + d/5);

if(rand > 1 && count % 1 === 0){

​

  Price = Price + randP;

  d = d + 1;

} 

  if(rand == 1 && count % 1 ===0){

​

  Price = Price - randP; 

  d = d - 1;

} 

​

  if(Price<0){

   Price = Price + randP; 

  }

if (count % 600 == 0){

​

Bef = Price;

}

if (count % 59 == 0){

​

Aft = Price;

} 

if(count % 40 == 0){

  d = d-20;

}

 console.log(d);

 console.log(Price);

}