THREAD 1：EXC_BAD_ACCESS错误，此错误出现在第一行的cpp文件中的handle函数

this is a code that creates a chicken invaders game, the game(or whatever part i can do of the game) worked fine when i was just initializing one chicken, but when i made it a 2d array of chickens it showed me this error. this is a code that creates a chicken invaders