//---- normal P5 code -------------------------------------------------------

let ptron;



function setup()       
{
    createCanvas(400, 400);
    var inputs = new Array(-1, 0.5);
    var ptron = new Perceptron(inputs.length);
    
    var points = new Array(200);
    for(let i = 0; i < points.length; i++){
        points[i] = new Point();
    }
   
    var guess = ptron.feedforward(inputs);
    
    console.log(guess);
}


function draw()             
{
    background(255);
    
    for(let i = 0; i < points.length; i++){
        points[i] = new Point();
        ellipse(points[i].x, points[i].y, 12, 12);
    }
}

class Perceptron
{

constructor(n) 
  {
     this.weights = new Array(n);
     for (let i = 0; i < this.weights.length; i++) {
      this.weights[i] = random(-1, 1);
    }
  }
  
feedforward(inputs) 
  {
    // Sum all values
    let sum = 0;
    for (let i = 0; i < this.weights.length; i++) 
    {
      sum += inputs[i] * this.weights[i];
    }
    // Result is sign of the sum, -1 or 1
    return this.activate(sum);
  }

activate(sum) 
  {
    if (sum > 0) return 1;
    else return -1;
  }
}

class Point
{
    var x;
    var y;
    var label;
    constructor() 
  {
        this.x = random(0, 800);
        this.y = random(0, 800);
        
        if (this.x>this.y){
            this.label = 1;
        }else{
            this.label = -1;
        }
  
    }
}