这个45度战斗怎么黑色的啊？？ - Project1

#==============================================================================
# ■ Spriteset_Battle
#------------------------------------------------------------------------------
# 　处理战斗画面的活动块的类。本类在 Scene_Battle 类
# 的内部使用。
#==============================================================================

class Spriteset_Battle
  #--------------------------------------------------------------------------
  # ● 定义实例变量
  #--------------------------------------------------------------------------
  attr_reader :viewport1             # 敌人方的显示端口
  attr_reader :viewport2             # 角色方的显示端口
  #--------------------------------------------------------------------------
  # ● 初始化变量
  #--------------------------------------------------------------------------
  def initialize
# 生成显示端口
@viewport1 = Viewport.new(0, 0, 640, 480)
@viewport2 = Viewport.new(0, 0, 640, 480)
@viewport3 = Viewport.new(0, 0, 640, 480)
@viewport4 = Viewport.new(0, 0, 640, 480)
@viewport2.z = 101
@viewport3.z = 200
@viewport4.z = 5000
# 生成战斗背景活动块
@battleback_sprite = Sprite.new(@viewport1)
# 生成敌人活动块
@enemy_sprites = []
for enemy in $game_troop.enemies.reverse
   @enemy_sprites.push(Sprite_Battler.new(@viewport1, enemy))
end
# 生成敌人活动块
@actor_sprites = []
@actor_sprites.push(Sprite_Battler.new(@viewport2))
@actor_sprites.push(Sprite_Battler.new(@viewport2))
@actor_sprites.push(Sprite_Battler.new(@viewport2))
@actor_sprites.push(Sprite_Battler.new(@viewport2))
# 生成天候
@weather = RPG::Weather.new(@viewport1)
# 生成图片活动块
@picture_sprites = []
for i in 51..100
   @picture_sprites.push(Sprite_Picture.new(@viewport3,
      $game_screen.pictures))
end
# 生成计时器块
@timer_sprite = Sprite_Timer.new
# 刷新画面
update
  end
  #--------------------------------------------------------------------------
  # ● 释放
  #--------------------------------------------------------------------------
  def dispose
# 如果战斗背景位图存在的情况下就释放
if @battleback_sprite.bitmap != nil
   @battleback_sprite.bitmap.dispose
end
# 释放战斗背景活动块
@battleback_sprite.dispose
# 释放敌人活动块、角色活动块
for sprite in @enemy_sprites + @actor_sprites
   sprite.dispose
end
# 释放天候
@weather.dispose
# 释放图片活动块
for sprite in @picture_sprites
   sprite.dispose
end
# 释放计时器活动块
@timer_sprite.dispose
# 释放显示端口
@viewport1.dispose
@viewport2.dispose
@viewport3.dispose
@viewport4.dispose
  end
  #--------------------------------------------------------------------------
  # ● 显示效果中判定
  #--------------------------------------------------------------------------
  def effect?
# 如果是在显示效果中的话就返回 true
for sprite in @enemy_sprites + @actor_sprites
   return true if sprite.effect?
end
return false
  end
  #--------------------------------------------------------------------------
  # ● 刷新画面
  #--------------------------------------------------------------------------
  def update
# 刷新角色的活动块 (对应角色的替换)
@actor_sprites[0].battler = $game_party.actors[0]
@actor_sprites[1].battler = $game_party.actors[1]
@actor_sprites[2].battler = $game_party.actors[2]
@actor_sprites[3].battler = $game_party.actors[3]
# 战斗背景的文件名与现在情况有差异的情况下
if @battleback_name != $game_temp.battleback_name
   @battleback_name = $game_temp.battleback_name
   if @battleback_sprite.bitmap != nil
      @battleback_sprite.bitmap.dispose
   end
   @battleback_sprite.bitmap = RPG::Cache.battleback(@battleback_name)
   @battleback_sprite.src_rect.set(0, 0, 640, 480)
end
# 刷新战斗者的活动块
for sprite in @enemy_sprites + @actor_sprites
   sprite.update
end
# 刷新天气图形
@weather.type = $game_screen.weather_type
@weather.max = $game_screen.weather_max
@weather.update
# 刷新图片活动块
for sprite in @picture_sprites
   sprite.update
end
# 刷新计时器活动块
@timer_sprite.update
# 设置画面的色调与震动位置
@viewport1.tone = $game_screen.tone
@viewport1.ox = $game_screen.shake
# 设置画面的闪烁色
@viewport4.color = $game_screen.flash_color
# 刷新显示端口
@viewport1.update
@viewport2.update
@viewport4.update
  end
end