if event.type == MOUSEBUTTONDOWN :
if event.button == 1 :
if speed_rect.collidepoint(event.pos) :
for each in enemies :
each.accelerate *= 2
if pause_rect.collidepoint(event.pos) :
paused = not paused
for each in towers_pos :
if each.rect.collidepoint(event.pos) :
photo = Image.PhotoImage(file=r"zt.gif")
photo1 = tkinter.PhotoImage(file=r"zt.gif")
photo2 = tkinter.PhotoImage(file=r"zt.gif")
button_3 = BUTTON(screen , (each.rect.left + 30 , each.rect.top - 30) , image=photo)
button_2 = BUTTON(screen , (each.rect.left + 30 , each.rect.top) , image=photo1)







请问我这个用鼠标点击事件配合按钮，为什么加载错误，有没有什么好的方法吗？我这个类似于保卫萝卜的炮塔升级，怎么写代码呀