import random as r
class Turtle(object):
def __init__(self):
self.power = 100
# 初始化乌龟的位置
self.x = r.randint(0,10)
self.y = r.randint(0,10)
def move(self):
new_x = r.choice([1,2,-1,-2]) + self.x
new_y = r.choice([1,2,-1,-2]) + self.y
# 判断 乌龟的移动是否超出了边界
if new_x < 0:
self.x = 0 - (new_x - 0)
elif new_x > 10:
self.x = 10 - (new_x - 10)
else:
self.x = new_x
if new_y < 0:
self.y = 0 - (new_y -0)
elif new_y > 10:
self.y = 10 - (new_y - 10)
else:
self.y = new_y
self.power -= 1
return (self.x,self.y)
def eat(self):
self.power += 20
if self.power >= 100:
self.power = 100
class Fish(object):
def __init__(self):
self.x = r.randint(0,10)
self.y = r.randint(0,10)
def move(self):
new_x = self.x + r.choice([1,-1])
new_y = self.y + r.choice([1,-1])
if new_x < 0:
self.x = 0 - (new_x - 0)
elif new_x > 10:
self.x = 10 - (new_x - 10)
else:
self.x = new_x
if new_y < 0:
self.y = 0 -(new_y - 0)
elif new_y > 10:
self.y = 10 - (new_y - 10)
else:
self.y = new_y
return (self.x,self.y)
turtle = Turtle()
fish = []
for i in range(10):
new_fish = Fish()
fish.append(new_fish)
while True:
if not len(fish):
print("鱼被吃完了,游戏结束")
break
if not turtle.power:
print("乌龟体力被耗尽了,游戏结束")
break
pos = turtle.move()
# 在迭代中做列表的删除元素是非常危险的,经常会出现一些意想不到的问题,因为迭代器是直接引用列表元素的数据做的操作
# 所以 我们这里把列表拷贝一份传给迭代器,然后再对原列表做操作
for each_fish in fish[:]:
if each_fish.move() == pos:
turtle.eat()
fish.remove(each_fish)
print("有一条鱼被吃掉了")