veronika's math game

math.rb

#future update: count time, after 1 min, swith the user - 1 life
# Assignment created as a new Github repository
# require pry
# binbinding.pry

@players = [{
  life: 3,
  score: 0,
  level: 1,
  name: "Player 1"
}, {
  life: 3,
  score: 0,
  level: 1,
  name: "Player 2"
}]

@current_player_index = 0
@current_player = @players[@current_player_index]

# Action of the game 
def game_action
  welcome

  if wants_to_play?
    while can_keep_playing?
      wasCorrect = ask_question?
      update_level(wasCorrect)
      switch_player
      # puts "Debug: #{@player1.inspect} #{@player2.inspect}"
    end
    congratulate
  end
  goodbuy
end

def can_keep_playing?
  @current_player[:level] < 10 && @current_player[:life] > 0
end

def welcome
    puts ""
    puts "Welcome to the very quick math game!"
    puts "Nice to meet both of you!" # can ask for names and keep track of them during the game
    puts "Here is a game instruction: "
    puts ""
    puts "You will be given an equation, solve it as fast as you can"
    puts "If you evaluate it wrong, you loose 1 life"
    puts "You have only 3 lives, so be careful!"
    puts "The dead player is deadly dead, and it ends the game."
    puts "Player 1 starts"
    puts ""
    puts "Are you ready to play?"
end

def wants_to_play?
  get_input == "yes"
end

def goodbuy
  puts "See you later!"
end

def get_input
   gets.chomp.downcase
end

# Generates the math question
# Future update: create different questions
def ask_question?
  number1 = generate_random_number
  number2 = generate_random_number
  result = calculate_result(number1, number2)

  puts "Hey #{@current_player[:name]}, what does #{number1} plus #{number2} equal?"
  answer = get_input
  puts "Your answer is #{answer}"
  puts "The correct answer is #{result}" 
  answer == result
end

# Return result of equation
def calculate_result(number1, number2)
  number1 + number2
end

# Generates the random number from 1-20
def generate_random_number 
  rand(20)
end

def update_level(wasCorrect)
  if wasCorrect
    @current_player[:score] +=1
  else 
    @current_player[:score] -=1
    @current_player[:life] -=1
  end
  @current_player[:level] +=1
end

def switch_player
  @current_player_index = (@current_player_index + 1) % @players.length
  @current_player == @players[@current_player_index]
end

def congratulate
  puts "Congradulations!  won!" #{get_winner}
  puts "Score of the #{@player1[:name]} is #{@player1[:score]}"
  puts "Score of the #{@player2[:name]} is #{@player2[:score]}"
end

def get_winner
  if @player1[:score] > @player2[:score]
  return @player1
  elsif @player1[:score] < @player2[:score]
  return @player2
  else 
    check_lives
  end
end

def check_lives
  if @player1[:life] > @player2[:life]
  return @player1
  end
  return @player2
end

game_action