Tuto de création d'écran titre en 3 images. [APPROUVE]

#==============================================================================
# ■ Scene_Title
#==============================================================================

class Scene_Title
  #--------------------------------------------------------------------------
  # ● Initialisation
  #--------------------------------------------------------------------------
  def main
    if $BTEST
      battle_test
      return
    end
    # Données
    $data_actors        = load_data("Data/Actors.rxdata")
    $data_classes      = load_data("Data/Classes.rxdata")
    $data_skills        = load_data("Data/Skills.rxdata")
    $data_items        = load_data("Data/Items.rxdata")
    $data_weapons      = load_data("Data/Weapons.rxdata")
    $data_armors        = load_data("Data/Armors.rxdata")
    $data_enemies      = load_data("Data/Enemies.rxdata")
    $data_troops        = load_data("Data/Troops.rxdata")
    $data_states        = load_data("Data/States.rxdata")
    $data_animations    = load_data("Data/Animations.rxdata")
    $data_tilesets      = load_data("Data/Tilesets.rxdata")
    $data_common_events = load_data("Data/CommonEvents.rxdata")
    $data_system        = load_data("Data/System.rxdata")
    $game_system = Game_System.new
    # Commande
    s1 = ""
    s2 = ""
    s3 = ""
    @command_window = Window_Command.new(192, [s1, s2,s3])
    @command_window.back_opacity = 160
    @command_window.x = 850
    @command_window.y = 800
    @a = Sprite.new
    @a.bitmap = RPG::Cache.picture("1")
    @a.z = 300
    @a.x = 0
    @a.y = 0
    @a.opacity = 255
    @b = Sprite.new
    @b.bitmap = RPG::Cache.picture("2")
    @b.z = 300
    @b.x = 0
    @b.y = 0
    @b.opacity = 0
    @c = Sprite.new
    @c.bitmap = RPG::Cache.picture("3")
    @c.z = 300
    @c.x = 0
    @c.y = 0
    @c.opacity = 0
    # @continue_enabled true, false
    @continue_enabled = false
    for i in 0..3
      if FileTest.exist?("Sauvegarde#{i+1}.rxdata")
        @continue_enabled = true
      end
    end
    # continue
    if @continue_enabled
      @command_window.index = 1
    else
      @command_window.disable_item(1)
    end
    # BGM
    $game_system.bgm_play($data_system.title_bgm)
    # Fin BGS et ME
    Audio.me_stop
    Audio.bgs_stop
    # Transition
    Graphics.transition
    # メインループ
    loop do
      # update graphique
      Graphics.update
      Input.update
      update
      if $scene != self
        break
      end
    end
    # Transitions 2
    Graphics.freeze
    # Effacement des images
    @command_window.dispose
    @a.dispose
    @b.dispose
    @c.dispose
    end
  #--------------------------------------------------------------------------
  # ● Update
  #--------------------------------------------------------------------------
  def update
    # Rafraichissement
    @command_window.update
    @a.update
    @b.update
    @c.update
    update_command
    # Appuis C
    if Input.trigger?(Input::C)
      case @command_window.index
      when 0
        command_new_game
      when 1
        command_continue
      when 2
        command_shutdown
      end
    end
  end
  #--------------------------------------------------------------------------
  # ● Définition des commandes - Commencer -
  #--------------------------------------------------------------------------
  def command_new_game
    # Nouveau jeu
    $game_system.se_play($data_system.decision_se)
    # Fin BGM
    Audio.bgm_stop
    Graphics.frame_count = 0
    # Données
    $game_temp          = Game_Temp.new
    $game_system        = Game_System.new
    $game_switches      = Game_Switches.new
    $game_variables    = Game_Variables.new
    $game_self_switches = Game_SelfSwitches.new
    $game_screen        = Game_Screen.new
    $game_actors        = Game_Actors.new
    $game_party        = Game_Party.new
    $game_troop        = Game_Troop.new
    $game_map          = Game_Map.new
    $game_player        = Game_Player.new
    $game_party.setup_starting_members
    $game_map.setup($data_system.start_map_id)
    $game_player.moveto($data_system.start_x, $data_system.start_y)
    $game_player.refresh
    $game_map.autoplay
    $game_map.update
    # Début du jeu
    $scene = Scene_Map.new
  end
  #--------------------------------------------------------------------------
  # ● Définition des commandes - Continue -
  #--------------------------------------------------------------------------
  def command_continue
    # Continue
    unless @continue_enabled
      # SE
      $game_system.se_play($data_system.buzzer_se)
      return
    end
    # SE
    $game_system.se_play($data_system.decision_se)
    # Chargement
    $scene = Scene_Load.new
  end
#--------------------------------------------------------------------------
  # ● Définition des commandes - Quitter -
  #--------------------------------------------------------------------------
  def command_shutdown
    # Fin
    $game_system.se_play($data_system.decision_se)
    # BGM、BGS、ME
    Audio.bgm_fade(800)
    Audio.bgs_fade(800)
    Audio.me_fade(800)
    $scene = nil
  end
#--------------------------------------------------------------------------
# ● Position dans le menu
#--------------------------------------------------------------------------
  def update_command
    case @command_window.index
when 0
@a.opacity = 255
@b.opacity = 0
@c.opacity = 0
when 1
@a.opacity = 0
@b.opacity = 255
@c.opacity = 0
when 2
@a.opacity = 0
@b.opacity = 0
@c.opacity = 255
end
end
  #--------------------------------------------------------------------------
  # ● 戦闘テスト
  #--------------------------------------------------------------------------
  def battle_test
    # Test
    $data_actors        = load_data("Data/BT_Actors.rxdata")
    $data_classes      = load_data("Data/BT_Classes.rxdata")
    $data_skills        = load_data("Data/BT_Skills.rxdata")
    $data_items        = load_data("Data/BT_Items.rxdata")
    $data_weapons      = load_data("Data/BT_Weapons.rxdata")
    $data_armors        = load_data("Data/BT_Armors.rxdata")
    $data_enemies      = load_data("Data/BT_Enemies.rxdata")
    $data_troops        = load_data("Data/BT_Troops.rxdata")
    $data_states        = load_data("Data/BT_States.rxdata")
    $data_animations    = load_data("Data/BT_Animations.rxdata")
    $data_tilesets      = load_data("Data/BT_Tilesets.rxdata")
    $data_common_events = load_data("Data/BT_CommonEvents.rxdata")
    $data_system        = load_data("Data/BT_System.rxdata")
    Graphics.frame_count = 0
    $game_temp          = Game_Temp.new
    $game_system        = Game_System.new
    $game_switches      = Game_Switches.new
    $game_variables    = Game_Variables.new
    $game_self_switches = Game_SelfSwitches.new
    $game_screen        = Game_Screen.new
    $game_actors        = Game_Actors.new
    $game_party        = Game_Party.new
    $game_troop        = Game_Troop.new
    $game_map          = Game_Map.new
    $game_player        = Game_Player.new
    $game_party.setup_battle_test_members
    $game_temp.battle_troop_id = $data_system.test_troop_id
    $game_temp.battle_can_escape = true
    $game_map.battleback_name = $data_system.battleback_name
    # SE
    $game_system.se_play($data_system.battle_start_se)
    # BGM
    $game_system.bgm_play($game_system.battle_bgm)
    # Combat
    $scene = Scene_Battle.new
  end
end