king_ruby/game.rb at master · shen-sat/king_ruby · GitHub

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require 'json'
require 'gosu'
require_relative 'player'
require_relative 'mages'
require_relative 'colliders'
require_relative 'snake'
require_relative 'mushrooms'
require_relative 'screen'
require_relative 'chest'

class Game_Window < Gosu::Window

  def initialize
    #sets up the window space and window title
  	super(384, 256, false)
    self.caption = "King Ruby"
    #creates instance variables for every aspect of the game
  	@game_screen = Screen.new
  	@king = Player.new(collider_layer_name = "colliders")
  	@mages = Mages.new(collider_layer_name = "mages")
  	@snake_red = Snake.new(collider_layer_name = "snake_red")
  	@snake_blue = Snake.new(collider_layer_name = "snake_blue")
    @mushrooms = Mushrooms.new(collider_layer_name = "mushrooms")
    @chest = Chest.new(collider_layer_name = "chest")
  	#starting positions of characters
    @king.warp(160,88)
  	@snake_red.warp(48,96)
    @snake_blue.warp(304,32)
    #sets both possible game over states to false
    @game_over_red = false
    @game_over_blue = false
  end

  def update
  	#checks if game is over
    game_over
    #if game is over, return will restert game
    if @game_over_red == true || @game_over_blue == true
      if Gosu.button_down? Gosu::KB_RETURN
        initialize
      end
    else
      #if game not over, player can move
      if Gosu.button_down? Gosu::KB_RIGHT
    		@king.right
    		if Gosu.button_down? Gosu::KB_UP
    			@king.up
    		elsif Gosu.button_down? Gosu::KB_DOWN
    			@king.down
    		end
    	elsif Gosu.button_down? Gosu::KB_LEFT
    		@king.left
     		if Gosu.button_down? Gosu::KB_UP
    			@king.up
    		elsif Gosu.button_down? Gosu::KB_DOWN
    			@king.down
    		end
    	elsif Gosu.button_down? Gosu::KB_UP
    		@king.up
    	elsif Gosu.button_down? Gosu::KB_DOWN
    		@king.down
      else
    		@king.idle
    	end
    end
  	#check for collisions between different game entities
    @mages.collision_checker(@king.x, @king.y)
    @mushrooms.collision_checker(@king.x, @king.y)
  	@snake_red.move(@king.x, @king.y, @mushrooms.eaten_shroom_red)
    @snake_blue.move(@king.x, @king.y, @mushrooms.eaten_shroom_blue)
    @chest.collision_checker(@king.x, @king.y)
  end

  def game_over
    if @snake_red.player_dead == true
      @game_over_red = true
    end
    if @snake_blue.player_dead == true
      @game_over_blue = true
    end
  end


  #draws the various entities in the game
  def draw
  @game_screen.draw(@king.y, @game_over_red, @game_over_blue)
	@king.draw
	@mages.draw
	@snake_red.draw
  @snake_blue.draw
	@mushrooms.draw
  @chest.draw
  end
end

#launches game
game_window = Game_Window.new
game_window.show