Class: RockPaperScissors

Inherits:
Object
  • Object
show all
Defined in:
lib/rps_telwell/rps.rb

Overview

Controls the overall game

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RockPaperScissors

Set initial variables



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# File 'lib/rps_telwell/rps.rb', line 4

def initialize
	@player_1 = Human.new
	@player_2 = Computer.new
	@board = Board.new
	# Could use a constant (or @@class variable) for this
	@moves = ["rock","paper","scissors"]
end

Instance Method Details

#get_winner(player_1_move, player_2_move) ⇒ Object

Get winner



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# File 'lib/rps_telwell/rps.rb', line 52

def get_winner(player_1_move, player_2_move)
	moves = [player_1_move,player_2_move]
	# This means we have a draw
	if moves[0] == moves[1]
		nil
	# Scenario for P1 rock	
	elsif moves[0] == 1
		return 1 if moves[1] == 3
		return 2
	# Scenario for P1 paper
	elsif moves[0] == 2
		return 1 if moves[1] == 1
		return 2
	# Scenario for P1 scissors
	elsif moves[0] == 3
		return 1 if moves[1] == 2
		return 2
	end
end

#output_winner ⇒ Object

Output winner



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# File 'lib/rps_telwell/rps.rb', line 39

def output_winner
	if @winner.nil?
		puts "We had a draw! #{@moves[@player_1_move-1]} ties #{@moves[@player_2_move-1]}"
	elsif @winner == 1
		puts "Player 1 wins! #{@moves[@player_1_move-1]} beats #{@moves[@player_2_move-1]}"
		@player_1.wins=(@player_1.wins+1)
	else
		puts "Player 2 wins! #{@moves[@player_2_move-1]} beats #{@moves[@player_1_move-1]}"
		@player_2.wins=(@player_2.wins+1)
	end
end

#start ⇒ Object

Start the game!



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# File 'lib/rps_telwell/rps.rb', line 13

def start
	# Begin the loop
	loop do
		# Display board
		@board.render(@player_1.wins, @player_2.wins)

		# Get player_1 selection
		@player_1_move = @player_1.get_move

		# Get player_2 selection
		@player_2_move = @player_2.get_move

		# Who won? Returns 1 for player 1, 2 for player 2, or nil for a draw
		@winner = get_winner(@player_1_move,@player_2_move)

		# Output winner
		output_winner

		# What next?
		puts "What next? 1 to play again, 2 to quit"
		input = gets.chomp.to_i
		break if input == 2
	end
end