Python 简单的龟鱼游戏
游戏编程:按一下要求定义一个乌龟类和鱼类并尝试编程
- 假设游戏场景为范围(x,y)为 0<=x<=10,0<=y<=10
- 游戏生成1只乌龟和10条鱼
- 他们的移动方向均随机
- 乌龟的最大移动能力是2(乌龟可以随机选择移动是1还是2),鱼的最大移动能力是1
- 当移动到场景边缘,自动向反方向移动
- 乌龟初始化体力为100(上限)
- 乌龟每移动一次,体力消耗1
- 当乌龟和鱼重叠,乌龟吃掉鱼,乌龟体力增加20
- 鱼不计算体力
- 当乌龟体力值为0或者鱼的数量为0时,游戏结束
import random as rclass 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 -= 1return (self.x,self.y) def eat(self): self.power += 20if 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")breakif 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")