【VA脚本】对话窗口背景滚动

康娜酱

把这张图丟进Graphics/system里去

module MESSAGE_BACK_SCROLL
  IMAGE_NAME = "Background"
  SCROLL_OX = 2
  SCROLL_OY = -2
end

#encoding:utf-8
#==============================================================================
# ■ Window_Message
#------------------------------------------------------------------------------
# 　显示文字信息的窗口。
#==============================================================================v

class Window_Message < Window_Base
  #--------------------------------------------------------------------------
  # ● 初始化对象
  #--------------------------------------------------------------------------
  alias :window_message_initialize_20240426 :initialize
  def initialize
    window_message_initialize_20240426
    create_back_scroll_bitmap
    create_back_scroll_plane
  end
  #--------------------------------------------------------------------------
  # ● 释放
  #--------------------------------------------------------------------------
  alias :window_message_dispose_20240426 :dispose
  def dispose
    window_message_dispose_20240426
    dispose_back_scroll_bitmap
    dispose_back_scroll_plane
  end
  #--------------------------------------------------------------------------
  # ● 更新画面
  #--------------------------------------------------------------------------
  alias :window_message_update_20240426 :update
  def update
    window_message_update_20240426
    update_back_scroll_plane
  end
  #--------------------------------------------------------------------------
  # ● 生成背景位图
  #--------------------------------------------------------------------------
  def create_back_scroll_bitmap
    @back_bitmap = Cache.system(MESSAGE_BACK_SCROLL::IMAGE_NAME)
  end
  #--------------------------------------------------------------------------
  # ● 生成背景平面
  #--------------------------------------------------------------------------
  def create_back_scroll_plane
    @back_scroll_viewport = Viewport.new(2, Graphics.height - window_height + 2, Graphics.width - 4, window_height - 4)
    @back_scroll = Plane.new(@back_scroll_viewport)
    @back_scroll.bitmap = @back_bitmap
    @back_scroll.visible = false
    @back_scroll.z = z - 1
  end
  #--------------------------------------------------------------------------
  # ● 释放背景位图
  #--------------------------------------------------------------------------
  def dispose_back_scroll_bitmap
    @back_bitmap.dispose
  end
  #--------------------------------------------------------------------------
  # ● 释放背景平面
  #--------------------------------------------------------------------------
  def dispose_back_scroll_plane
    @back_scroll.dispose
  end
  #--------------------------------------------------------------------------
  # ● 更新背景平面
  #--------------------------------------------------------------------------
  def update_back_scroll_plane
    @back_scroll.visible = open?
    @back_scroll.ox += MESSAGE_BACK_SCROLL::SCROLL_OX
    @back_scroll.oy += MESSAGE_BACK_SCROLL::SCROLL_OY
  end
end

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