alexyoung

class GameItem
  attr_accessor :x, :y

  def initialize(app, x, y, colour = '#fff')
    @app = app
    @x = x
    @y = y
    @app.stroke colour
    @rect = app.rect x * cell_size, y * cell_size, cell_size - 1, cell_size - 1
  end

alexyoung

keypress do |key|
  case key
    when :up, :down, :left, :right
      snake.change_direction key
  end
end

alexyoung

class GameItem
  # Position and colour goes here
  # Movement commands will be required too
end

class Snake
  # The properties of the snake: current position, direction and segments
end

# All shoes apps use Shoes.app

alexyoung

  animate 5 do
    keypress do |key|
      case key
        when :up, :down, :left, :right
          snake.change_direction key
      end
    end
    snake.move
  end

alexyoung

  def change_direction(direction)
    @direction = direction
    case direction
      when :up
        @direction_x = 0
        @direction_y = -1
      when :down
        @direction_x = 0
        @direction_y = 1
      when :left

alexyoung

@segments.reverse.each_with_index do |segment, i|
  if i + 1 == length
    segment.move_by @direction_x, @direction_y
  else
    next_segment = @segments.reverse[i + 1]
    segment.move_to next_segment.x, next_segment.y
  end
end

alexyoung

class GameItem
  attr_accessor :x, :y

  def initialize(app, x, y, colour = '#fff')
    @app = app
    @x = x
    @y = y
    @app.stroke colour
    @rect = app.rect x * cell_size, y * cell_size, cell_size - 1, cell_size - 1
  end

alexyoung

class GameBoard
  class Food < GameItem
    def initialize(app, x, y, colour = '#00ff00')
      super
    end
  end

  def initialize(app)
    @food_items = []
    @app = app

alexyoung

class GameBoard
  class Food < GameItem
    def initialize(app, x, y, colour = '#00ff00')
      super
    end
  end

  def initialize(app)
    @food_items = []
    @app = app

alexyoung

  # This removes the item from the game
  def remove
    @rect.hide
    true
  end