viking.js

// Soldier
class Soldier {
  constructor(health, strength) {
    this.health = health;
    this.strength = strength;
  }
  attack() {
    return this.strength;
  }
  receiveDamage(damage) {
    this.health -= damage;
  }
}
// Viking
class Viking extends Soldier {
  constructor(name, health, strength) {
    super(health, strength);
    this.name = name;
  }
  receiveDamage(damage) {
    this.health -= damage;
    if (this.health <= 0) {
      return `${this.name} has died in act of combat`;
    } else {
      return `${this.name} has received ${damage} points of damage`;
    }
  }
  battleCry() {
    return "Odin Owns You All!";
  }
}

// Saxon
class Saxon extends Soldier {
  receiveDamage(damage) {
    this.health -= damage;
    if (this.health <= 0) {
      return `A Saxon has died in combat`;
    } else {
      return `A Saxon has received ${damage} points of damage`;
    }
  }
}
const newSaxon = new Saxon(100, 10);
newSaxon.receiveDamage(15);
console.log(newSaxon);
// War
class War {
  constructor() {
    this.vikingArmy = [];
    this.saxonArmy = [];
  }
  addViking(aNewViking) {
    this.vikingArmy.push(aNewViking);
  }
  addSaxon(aNewSaxon) {
    this.saxonArmy.push(aNewSaxon);
  }
  vikingAttack() {
    //this finds a random index for saxon and creates a guy
    const randomSaxonIndex = Math.floor(Math.random() * this.saxonArmy.length);
    const randomSaxonGuy = this.saxonArmy[randomSaxonIndex];
    //this finds a random index for viking and creates a guy
    const randomVikingIndex = Math.floor(
      Math.random() * this.vikingArmy.length
    );
    const randomVikingGuy = this.vikingArmy[randomVikingIndex];
    const randomVikingStrength = randomVikingGuy.attack();
    const responseFromReceiveDamage =
      randomSaxonGuy.receiveDamage(randomVikingStrength);
    //this checks the health of the saxon after he was hit
    if (randomSaxonGuy.health <= 0) {
      this.saxonArmy.splice(randomSaxonIndex, 1);
    }
    return responseFromReceiveDamage;
  }
  saxonAttack() {
    //this finds a random index for saxon and creates a guy
    const randomSaxonIndex = Math.floor(Math.random() * this.saxonArmy.length);
    const randomSaxonGuy = this.saxonArmy[randomSaxonIndex];
    //this finds a random index for viking and creates a guy
    const randomVikingIndex = Math.floor(
      Math.random() * this.vikingArmy.length
    );
    const randomVikingGuy = this.vikingArmy[randomVikingIndex];

    const randomSaxonStrength = randomSaxonGuy.attack();
    const responseFromReceiveDamage =
      randomVikingGuy.receiveDamage(randomSaxonStrength);
    //this checks the health of the saxon after he was hit
    if (randomVikingGuy.health <= 0) {
      this.vikingArmy.splice(randomVikingIndex, 1);
    }
    return responseFromReceiveDamage;
  }
  showStatus() {
    if (this.saxonArmy.length === 0) {
      return `Vikings have won the war of the century!`;
    } else if (this.vikingArmy.length === 0) {
      return `Saxons have fought for their lives and survived another day...`;
    } else {
      return `Vikings and Saxons are still in the thick of battle.`;
    }
  }
}