Class: Pacman::GhostsRenderer

Inherits:
Object
  • Object
show all
Defined in:
lib/pacman/ghosts_renderer.rb

Overview

ghosts viewer

Instance Method Summary collapse

Constructor Details

#initialize(window, rel_path = '') ⇒ GhostsRenderer

Returns a new instance of GhostsRenderer.



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# File 'lib/pacman/ghosts_renderer.rb', line 4

def initialize(window, rel_path = '')
  @blinky = { left: Gosu::Image.load_tiles(window, rel_path + 'media/blinky_left.png',
                                           50, 50, false),
              right: Gosu::Image.load_tiles(window, rel_path + 'media/blinky_right.png',
                                            50, 50, false),
              up: Gosu::Image.load_tiles(window, rel_path + 'media/blinky_up.png',
                                         50, 50, false),
              down: Gosu::Image.load_tiles(window, rel_path + 'media/blinky_down.png',
                                           50, 50, false)
  }

  @pinky = { left: Gosu::Image.load_tiles(window, rel_path + 'media/pinky_left.png',
                                          50, 50, false),
             right: Gosu::Image.load_tiles(window, rel_path + 'media/pinky_right.png',
                                           50, 50, false),
             up: Gosu::Image.load_tiles(window, rel_path + 'media/pinky_up.png',
                                        50, 50, false),
             down: Gosu::Image.load_tiles(window, rel_path + 'media/pinky_down.png',
                                          50, 50, false)
  }

  @inky = { left: Gosu::Image.load_tiles(window, rel_path + 'media/inky_left.png',
                                         50, 50, false),
            right: Gosu::Image.load_tiles(window, rel_path + 'media/inky_right.png',
                                          50, 50, false),
            up: Gosu::Image.load_tiles(window, rel_path + 'media/inky_up.png',
                                       50, 50, false),
            down: Gosu::Image.load_tiles(window, rel_path + 'media/inky_down.png',
                                         50, 50, false)
  }

  @clyde = { left: Gosu::Image.load_tiles(window, rel_path + 'media/clyde_left.png',
                                          50, 50, false),
             right: Gosu::Image.load_tiles(window, rel_path + 'media/clyde_right.png',
                                           50, 50, false),
             up: Gosu::Image.load_tiles(window, rel_path + 'media/clyde_up.png',
                                        50, 50, false),
             down: Gosu::Image.load_tiles(window, rel_path + 'media/clyde_down.png',
                                          50, 50, false)
  }
end

Instance Method Details

#render(level, _state, next_frame) ⇒ Object 



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# File 'lib/pacman/ghosts_renderer.rb', line 46

def render(level, _state, next_frame)
  if next_frame
    ghosts = level.ghosts
    [ghosts[:blinky], ghosts[:pinky], ghosts[:inky], ghosts[:clyde]].each do |ghost|
      ghost.animation_index = (ghost.animation_index + 1) % @blinky[:left].size
    end
  end

  # render ghosts
  render_ghost(level.ghosts[:blinky], @blinky)
  render_ghost(level.ghosts[:pinky], @pinky)
  render_ghost(level.ghosts[:inky], @inky)
  render_ghost(level.ghosts[:clyde], @clyde)
end