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想让敌人不断从右边随机生成，但是写出来以后敌人一直在上方随机生成，图片还被削掉一半，怎么解决？位置不知道怎么判断的…… 
@吉尔焦裕禄很累 https://www.evkworld.com/learn/171 看下随机点生成敌人的教程介绍哈~
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图片地址)
图片地址)