把refresh分成几部分（def），接着刷新时只调用需要刷新的部分（def）。

这个我试过了，我要刷新的区域差不多是圆形的，用这种方法边上的内容就没有了


flyfairy于2011-5-7 19:34补充以下内容：
这个是我写的脚本
#==============================================================================
# ■ Window_Target
#------------------------------------------------------------------------------
# 　物品画面与特技画面的、使用对像角色选择窗口。
#==============================================================================

class Window_Target < Window_Selectable
  #--------------------------------------------------------------------------
  # ● 初始化对象
  #--------------------------------------------------------------------------
  def initialize
    super(460, 32, 200, 410)
    self.contents = Bitmap.new(width - 32, height - 32)
    self.opacity = 0
    self.active = false
    @item_max = $game_party.actors.size
    self.cursor_rect.empty                                
    @cursor = Sprite_Cursor.new   
    $select = []
    for i in 0...@item_max
      $select[i] = false         
    end
    $refresh_variable = 0
    refresh
    refresh_face
  end
  #--------------------------------------------------------------------------
  # ● 刷新
  #--------------------------------------------------------------------------
  def refresh
    self.contents.clear
    self.contents.font.size = 12
    self.contents.font.color = Color.new( 0, 0, 0, 255)
    for i in 0...$game_party.actors.size
      actor = $game_party.actors[i]
      # 描绘角色状态
      bitmap = RPG::Cache.picture("人物状态背景.png" )
      self.contents.blt( -8 ,97 * i - 2,bitmap,Rect.new(0,0,bitmap.width,bitmap.height ))
      draw_actor_name(actor, 139, 35 + 97 * i)
      # 描绘HP,SP
      self.contents.draw_text( - 3, 97 * i, 48, 32, actor.hp.to_s, 2)
      self.contents.draw_text( 45, 97 * i, 12, 32, "/")
      self.contents.draw_text( 51, 97 * i, 48, 32, actor.maxhp.to_s)
      self.contents.draw_text( - 3, 46 + 97 * i, 48, 32, actor.sp.to_s, 2)
      self.contents.draw_text( 45, 46 + 97 * i, 12, 32, "/")
      self.contents.draw_text( 51, 46 + 97 * i, 48, 32, actor.maxsp.to_s)
      # 描绘HP,SP条
      draw_actor_hp_meter_line(actor, 18, 24 + 97 * i, 62, 4)
      draw_actor_sp_meter_line(actor, 18, 70 + 97 * i, 63, 4)
      # 描绘MP,MP条
      @actor_mp = $game_variables[26 + i]
      @actor_maxmp = $game_variables[31 + i]
      self.contents.draw_text( - 10, 23 + 97 * i, 48, 32, @actor_mp.to_s, 2)
      self.contents.draw_text( 38, 23 + 97 * i, 12, 32, "/")
      self.contents.draw_text( 44, 23 + 97 * i, 48, 32, @actor_maxmp.to_s)
      draw_actor_mp_meter_line(actor, 12, 47 + 97 * i, 62, 4)
    end
  end
  # 有改动的地方单独刷新，以提高游戏运行效率
  def refresh_face
    for i in 0...$game_party.actors.size
      actor = $game_party.actors[i]
      # 描绘角色头像
      if $select[i] == true
        bitmap = RPG::Cache.battler(actor.name + "头像2" , actor.battler_hue)
      else
        bitmap = RPG::Cache.battler(actor.name + "头像1" , actor.battler_hue)
      end
      rect = Rect.new(0,0,bitmap.width,bitmap.height)
      self.contents.blt(95,12 + 97 * i,bitmap,rect)
    end
  end
  #-------------------------------------------------------------------------
  # ● 定义角色名称
  #-------------------------------------------------------------------------
  def draw_actor_name(actor,x,y)
    bitmap = RPG::Cache.battler(actor.name , actor.battler_hue)
    self.contents.blt(x,y,bitmap,Rect.new(0,0,bitmap.width,bitmap.height ))
  end
  #--------------------------------------------------------------------------
  # ● ライン描画 by 桜雅 在土
  #--------------------------------------------------------------------------
  def draw_line(start_x, start_y, end_x, end_y, start_color, width = 1, end_color = start_color)
    # 描写距離の計算。大きめに直角時の長さ。
    distance = (start_x - end_x).abs + (start_y - end_y).abs
    # 描写開始
    if end_color == start_color
      for i in 1..distance
        x = (start_x + (end_x - start_x) * i / distance).to_i
        y = (start_y + (end_y - start_y) * i / distance).to_i
        if width == 1
          self.contents.set_pixel(x, y, start_color)
        else
          self.contents.fill_rect(x, y, width, width, start_color)
        end
      end
    else
      for i in 1..distance
        x = (start_x + (end_x - start_x) * i / distance).to_i
        y = (start_y + (end_y - start_y) * i / distance).to_i
        r = start_color.red * (distance-i)/distance + end_color.red * i/distance
        g = start_color.green * (distance-i)/distance + end_color.green * i/distance
        b = start_color.blue * (distance-i)/distance + end_color.blue * i/distance
        a = start_color.alpha * (distance-i)/distance + end_color.alpha * i/distance
        if width == 1
          self.contents.set_pixel(x, y, Color.new(r, g, b, a))
        else
          self.contents.fill_rect(x, y, width, width, Color.new(r, g, b, a))
        end
      end
    end
  end
  #--------------------------------------------------------------------------
  # ● HP的描画
  #--------------------------------------------------------------------------
  def draw_actor_hp_meter_line(actor, x, y, width = 156, height = 4)
    w = width * actor.hp / actor.maxhp
    hp_color_1 = Color.new(229, 188, 245, 255)
    hp_color_2 = Color.new(171, 59, 245, 255)
    i = 0
    for i in 0..3
     draw_line(x + width - w, y, x + width , y, hp_color_1, 1, hp_color_2)
     y += 1
     i += 1
    end
  end
  #--------------------------------------------------------------------------
  # ● SP的描画
  #--------------------------------------------------------------------------
  def draw_actor_sp_meter_line(actor, x, y, width = 156, height = 4)
    w = width * actor.sp / actor.maxsp
    sp_color_1 = Color.new( 245, 209, 187, 255)
    sp_color_2 = Color.new( 250, 117, 65, 255)
    for i in 0..3
      draw_line(x + width - w, y, x + width , y, sp_color_1, 1, sp_color_2)
      y += 1
      i += 1
    end
  end
  #--------------------------------------------------------------------------
  # ● MP的描画
  #--------------------------------------------------------------------------
  def draw_actor_mp_meter_line(actor, x, y, width = 156, height = 4)
    w = width * @actor_mp / @actor_maxmp
    mp_color_1 = Color.new( 187, 225, 245, 255)
    mp_color_2 = Color.new( 65, 193, 253, 255)
    for i in 0..3
      draw_line(x + width - w, y, x + width , y, mp_color_1, 1, mp_color_2)
      y += 1
      i += 1
    end
  end
  #--------------------------------------------------------------------------
  # ● 更新光标矩形
  #--------------------------------------------------------------------------
  def update_cursor_rect
    # 光标位置不满 0 的情况下
    if @index < 0 or self.active == false
      @cursor.visible = false
      return
    end
    @cursor.visible = true if self.visible && self.active
    @cursor.opacitysz(1) if @cursor.opacity < 255
    # 获取当前的行
    row = @index / @column_max
    # 当前行被显示开头行前面的情况下
    if row < self.top_row
      # 从当前行向开头行滚动
      self.top_row = row
    end
    # 当前行被显示末尾行之后的情况下
    if row > self.top_row + (self.page_row_max - 1)
      # 从当前行向末尾滚动
      self.top_row = row - (self.page_row_max - 1)
    end
    # 更新光标位置
    @cursor.x = self.x + 128
    @cursor.y = self.y + @index * 97 + 100
  end
  #--------------------------------------------------------------------------
  # ● 刷新画面
  #--------------------------------------------------------------------------
def cursor_update
   @cursor.update if @cursor.visible and @cursor.opacity == 255 and
   self.active and @item_max >= 1
   if self.active and @item_max > 0 and @index >= 0
     index_var = @index
     mouse_x, mouse_y = Mouse.get_mouse_pos
     mouse_not_in_rect = true
     for i in 0...@item_max
       @index = i
       update_cursor_rect
       if (mouse_x > 565) and (mouse_y > 55 + i * 97) and
          (mouse_x < 625) and (mouse_y < 135 + i * 97)
         mouse_not_in_rect = false
         $select[i] = true
         if $refresh_variable == 0
           $game_system.se_play($data_system.cursor_se)
           refresh_face
         end
         $refresh_variable +=1
         break
       end
     end
     if mouse_not_in_rect
       $refresh_variable = 0
       @index = index_var
       update_cursor_rect
       for i in 0...@item_max
         $select[i] = false
       end
       refresh_face
       Mouse.click_lock
     else
       Mouse.click_unlock               
     end
   end
   # 刷新光标矩形
   update_cursor_rect
end
  
  def dispose              
    @cursor.dispose              
    super                  
  end
end
我只想刷新def refresh_face的部分

1.     self.contents.fill_rect(Rect.new(0, 0, 24, 24), Color.new(0, 0, 0, 0))

复制代码

rect为重新描绘部分……

在刷新部分描绘颜色为(0,0,0,0)的rect再重新描绘