class Pacman::GhostsRenderer

ghosts viewer

Public Class Methods

new(window, rel_path = '') click to toggle source
# 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

Public Instance Methods

render(level, _state, next_frame) click to toggle source
# 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

Private Instance Methods

render_ghost(ghost_model, ghost_graphics) click to toggle source
# File lib/pacman/ghosts_renderer.rb, line 63
def render_ghost(ghost_model, ghost_graphics)
  x = LevelRenderer.x_min + ghost_model.x * LevelRenderer.field_size
  y = LevelRenderer.y_min + ghost_model.y * LevelRenderer.field_size
  ghost_graphics[ghost_model.direction][ghost_model.animation_index]
    .draw(x, y, 1)
end