怎么显示金钱窗口啊 - Project1

# 设置项目==========================================
module Eienshinken
#开关编号
VAR = 1
#窗口显示的字符
STRING = "金币"
end
#===================================================
class Scene_Map
alias qiwei_main main
def main
@gg = Window_Variables.new
@gg.x = 640 - @gg.width
@gg.y = 480 - @gg.height
@gg.opacity = 120
qiwei_main
@gg.dispose
end
alias shuaxin_update update
def update
shuaxin_update
@gg.update
end
end
#==============================================================================
# ■ Window_Variables
#------------------------------------------------------------------------------
# 　显示某变量的窗口。
#==============================================================================
class Window_Variables < Window_Base
#--------------------------------------------------------------------------
# ● 初始化窗口
#--------------------------------------------------------------------------
def initialize
super(0, 0, 160, 64)
self.contents = Bitmap.new(width - 32, height - 32)
@variables = $game_variables[Eienshinken::VAR]
refresh
end
#--------------------------------------------------------------------------
# ● 刷新
#--------------------------------------------------------------------------
def refresh
self.contents.clear
cx = contents.text_size($game_variables[Eienshinken::VAR].to_s).width
self.contents.font.color = normal_color
self.contents.draw_text(4, 0, 120-cx-2, 32, $game_variables[Eienshinken::VAR].to_s, 0)
self.contents.font.color = system_color
cx = contents.text_size("#{Eienshinken::STRING}").width
self.contents.draw_text(124-cx, 0, cx, 32, "#{Eienshinken::STRING}", 2)
end
def update
super
if @variables != $game_variables[Eienshinken::VAR]
refresh
end
end
end

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