Simpler Rock Paper Scissors

simpler_rock_paper_scissors.rb

#!/usr/bin/ruby

choices = {1 => 'Rock', 2 => 'Paper', 3 => 'Scissors'}
puts "These are your choices"
puts "1) Rock"
puts "2) Paper"
puts "3) Scissors"
print "Please enter the number of your choice: "
player_choice = gets
player_choice = player_choice.to_i
puts "You chose #{player_choice} - #{choices[player_choice]}"

# Ruby 2.0
computer_choice = rand(1..3) # rand(2) + 1
puts "Computer choses #{player_choice} - #{choices[player_choice]}"
# Rock beats Scissors
# Paper beats Rock
# Scissors beats Paper

# In case of a tie
if player_choice == computer_choice
  puts "You have tied!"
  exit
end

if player_choice == 1 && computer_choice == 3 || player_choice == 2 && computer_choice == 1 || player_choice == 3 && computer_choice == 2
  puts "Congratulations! #{choices[player_choice]} beats #{choices[computer_choice]}"
else
  puts "You lose! #{choices[computer_choice]} beats #{choices[player_choice]}"
  exit
end