Objects: OO -> OLOO created by jsmayo - https://repl.it/@jsmayo/Objects-OO-greater-OLOO

Objects: OO -> OLOO.js

/*
ORIGINAL OO CODE:
  var Vehicle = function (x, y, speed) {
    this.x = x;
    this.y = y;
    this.speed = speed;
  };
  
  Vehicle.prototype.move = function() {
    this.x = this.x + this.speed * this.randomStep();
    this.y = this.y + this.speed * this.randomStep();
  }
  
  Vehicle.prototype.randomStep = function() {
    if (Math.random() < 0.5) {
      return -1;
    } else {
      return 1;
    }
  }
  
  var Car = function (x, y) {
    Vehicle.call(this, x, y, 5);
  };
  
  Car.prototype = Object.create(Vehicle.prototype);
  
  Car.prototype.honk = function () {
    console.log("Beep! Beep!");
  };
  
  var Bicycle = function (x, y) {
    Vehicle.call(this, x, y, 2);
  };
  
  Bicycle.prototype = Object.create(Vehicle.prototype);
  
  Bicycle.prototype.honk = function () {
    // this.constructor.honk.call(this);
    console.log("Hey! Watch out!");
  };
  
  var AngryBicycle = function (x, y) {
    Bicycle.call(this, x, y);
  };
  
  AngryBicycle.prototype = Object.create(Bicycle.prototype);
  
  AngryBicycle.prototype.honk = function () {
    Object.getPrototypeOf(AngryBicycle.prototype).honk.call(this);
    Object.getPrototypeOf(AngryBicycle.prototype).honk.call(this);
  };
*/
var Vehicle = {
  move: function(x, y, speed) {
    this.x = this.x + this.speed * this.randomStem();
    this.y = this.y + this.speed * this.randomStep();
  },
  randomStep: function() {
    if (Math.random < 0.5) return -1;
    else return 1;
  },
};

var Car = Object.create(Vehicle);

Car.prepareCar = function(x, y, speed = 5) {
  this.move(x, y, speed);
};

Car.honk = function() {
  console.log('Beep!');
};

var Bicycle = Object.create(Vehicle);

Bicycle.honk = function() {
  console.log('Hey! Watch it!!');
};

var AngryBicycle = Object.create(Bicycle);
AngryBicycle.honk = function() {
  console.log('GRRR SO ANGRY, MOOOOOOVE!!!!');
};