Class: LunarLander::Play

Inherits:
Chingu::GameState
  • Object
show all
Defined in:
lib/lunar_lander/game_states/play.rb

Instance Method Summary collapse

Instance Method Details

#draw ⇒ Object 



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# File 'lib/lunar_lander/game_states/play.rb', line 56

def draw
  super
  @background.draw(0,0,0)
  
end

#setup ⇒ Object 



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# File 'lib/lunar_lander/game_states/play.rb', line 3

def setup
  self.input = { :p => LunarLander::Pause }
  
  @player = Player.create({ :x => $window.width/2, :y => $window.height/2})
  @player.input = {:holding_left => :rotate_left, :holding_right => :rotate_right, :holding_up => :thrust, :released_up => :stop_engine}
  
  @background = Gosu::Image["moon.png"]
  @surface = Chingu::Rect.new(0, $window.height-50, 800, 50)
  
  setup_hud
end

#setup_hud ⇒ Object 



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# File 'lib/lunar_lander/game_states/play.rb', line 29

def setup_hud
  @velocity_x_text = Chingu::Text.create("Velocidade Lateral: 0", :x => 10, :y => 10, :zorder => 55, :size=>20)
  @velocity_y_text = Chingu::Text.create("Velocidade Vertical: 0", :x => 10, :y => 30, :zorder => 55, :size=>20)
  @angle_text = Chingu::Text.create("Ângulo: 0", :x => 10, :y => 50, :zorder => 55, :size=>20)
  @fuel_text = Chingu::Text.create("Combustível: #{@player.fuel}", :x => 10, :y => 70, :zorder => 55, :size=>20)
end

#test_colision ⇒ Object 



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# File 'lib/lunar_lander/game_states/play.rb', line 45

def test_colision
  if @player.bounding_box.collide_rect?(@surface)
    if @player.should_die?
      @player.die
      switch_game_state LunarLander::Gameover
    end
    @player.stop
  end
end

#update ⇒ Object 



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# File 'lib/lunar_lander/game_states/play.rb', line 15

def update
  super
  
  game_objects.destroy_if { |object| 
    if object.kind_of? Chingu::Particle
      object.outside_window? || object.color.alpha == 0
    end
  }
  
  test_colision
  
   update_hud
end

#update_hud ⇒ Object 



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# File 'lib/lunar_lander/game_states/play.rb', line 36

def update_hud
  if @player
     @velocity_x_text.text = "Velocidade Lateral: #{(@player.velocity_x * 10).ceil.abs}"
     @velocity_y_text.text = "Velocidade Vertical: #{(@player.velocity_y * 10).ceil * -1}"
     @angle_text.text = "Ângulo: #{@player.angle}"
     @fuel_text.text = "Combustível: #{@player.fuel.ceil}"
  end
end