Ruby - Viking Maker (Class Example)

gistfile1.txt

class Weapon
	attr_accessor :armedWith
	
	# Give random weapon
	def Weapon.random_weapon()      
        	armedWith = ["sword","axe","spear","crossbow"].sample
		return armedWith  # returned value
    	end
end


class Viking
	#attr_accessor is both getter and setter (attr_reader and attr_writer methods can be also used)
	#@@starting_health = 100
	attr_accessor :name, :age, :strength, :health
	
	#creating a class method alternately we could type Viking.class_method (Viking.create_warrior(name))
	def self.create_warrior(name)
        age = 20 + rand(10)   # remember, rand gives a random 0 to 1
        health = 100
        strength = [3 + rand(6) + rand(6) + rand(6) + 3, 10].max
        Viking.new(name, age, strength, health)  # returned
		weapon1 = createWeapon()
		print "Armed with:  ", weapon1, "\n"
    	end
	
	def createWeapon()
		#weapon1 = Weapon.create_weapon(Weapon.random_weapon)
		weapon = Weapon.random_weapon()
		print "Armed with:  ", weapon, "\n"
	end
	
	def self.random_name      # useful for making new warriors!
        ["Erik","Red","Leif","Ed"].sample
    end
	
    def initialize(name, age, strength, health)
		@name = name
        @age = age
        @strength = strength
		@health = health
    end
	
	 def attack(enemy)
        # code to fight
		print "#{self.name} is attacking #{enemy.name}", "\n"
		#enemy.health = enemy.health - 1
		take_damage(enemy, 1)
    end
	
	def take_damage(who, damage)
		#lars.attack(oleg)... calls lars.take_damage(oleg)... which subtracts 1 from oleg's health 
		#(who.health -= damage) and subtracts 1 from lars' health too (self.health -= damage)
		who.health -= damage
		#self.health -= damage
		# OR we could have said @health -= damage
		who.shout("OUCH #{who.name} took damage!") #use who not self because lar.attach(oleg) lars is self, but Oleg is enemy
    end
	
    def shout(str)
        puts str
    end
	
	def sleep
       self.health += 1 unless health >= 100  
	   self.shout("#{self.name} feels better after a nap!")
    end
	
	#defining a getter method to allow access outside of here
	#def health
	#	@health
	#end
	
	#defining a getter method to allow access outside of here
	#def name
	#	@name
	#end
	
	#defining a setter method
	#def health=(new_health)
	#	@health = new_health
	#end
end

warrior1 = Viking.create_warrior(Viking.random_name)
#weapon1 = Weapon.create_weapon(Weapon.random_weapon)
#weapon1 = createWeapon()
#print "Viking 1:  ", warrior1, "\n"
print "Name:  ", warrior1.name, " | Health: ", warrior1.health, " | Strength: ", warrior1.strength, " | Age: ", warrior1.age, "\n"