谢谢您了，解决了！

将原来绿色的血条色相逆时针转过90°就能变成红色
用下面这个计算式达到目的
90 *Math.sqrt( actor.hp.to_f / actor.maxhp) - 90

因为如果是用一次函数的话血条变黄太快，换了根式

增加脚本见09行

1. def HP(actor,x,y,w=74,width=144)
   
2.   # HP条
   
3.   #HP最大值
   
4.   @bitmap1 =Bitmap.new("Graphics/Pictures/HP")
   
5.   [email protected] *actor.hp/actor.maxhp
   
6.   @src_rect1 = Rect.new( 0, 0, w1, @bitmap1.height)   
   
7.   self.contents.blt(x+119,y+11,@bitmap1,@src_rect1)
   
8.   self.contents.hue_change 90 *Math.sqrt( actor.hp.to_f / actor.maxhp) - 90
   
9.   @bitmap3 =Bitmap.new("Graphics/Pictures/MHP")
   
10.   [email protected]   
    
11.   @src_rect3 = Rect.new( 0, 0, w3, @bitmap3.height)
    
12.   self.contents.blt(x+38,y-22,@bitmap3,@src_rect3)
    
13.   #HP  
    
14.   hp_x = x
    
15.   flag = false
    
16.   self.contents.font.color = actor.hp == 0 ? knockout_color :
    
17.        actor.hp <= actor.maxhp / 4 ? crisis_color : normal_color
    
18.   # 描绘 MaxHP
    
19.   if flag
    
20.     self.contents.font.color =normal_color
    
21.     self.contents.draw_text(hp_x + 20, y+40, 12, 20, "/", 1)
    
22.     self.contents.draw_number(hp_x + 35, y, actor.maxhp.to_s)     
    
23.   end
    
24. end
    
25. 
    
26. #SP条
    
27. def SP(actor,x,y,w=74,width=144)
    
28.   #SP最大值
    
29.   @bitmap4 =Bitmap.new("Graphics/Pictures/MSP")  
    
30.   [email protected]
    
31.   @src_rect4 = Rect.new( 0, 0, w4, @bitmap4.height)
    
32.   self.contents.blt(x+68,y,@bitmap4,@src_rect4)
    
33.   #sp
    
34.   @bitmap2 =Bitmap.new("Graphics/Pictures/SP")
    
35.   [email protected] *actor.sp/actor.maxsp
    
36.   @src_rect2 = Rect.new( 0, 0, w2, @bitmap2.height)
    
37.   self.contents.blt(x+68,y,@bitmap2,@src_rect2)
    
38.   sp_x = x
    
39.   flag = false
    
40.   # 描绘 SP
    
41.   self.contents.font.color = actor.sp == 0 ? knockout_color :
    
42.        actor.sp <= actor.maxsp / 4 ? crisis_color : normal_color
    
43.   # 描绘 MaxSP
    
44.   if flag
    
45.     self.contents.font.color = normal_color
    
46.     self.contents.draw_text(sp_x + 20, y+41, 13, 20, "/", 1)
    
47.     #把括号后的2去掉，中间的两个数字也去掉，
    
48.     self.contents.draw_number(sp_x + 35, y,  actor.maxsp.to_s)
    
49.     #把draw_text改为draw_number就行了！！
    
50.   end
    
51. end

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