《Python快速编程入门》飞机大战篇详细代码
如题，因《Python快速编程入门》中飞机大战篇本身存在一些代码错误（p.258的父类重写覆盖、p.254的拼写错误等），且课本附赠的教材答案中并未给出完整代码，故上传此文，供同学们学习参考。
1.main.py
import pygame
import time
from pygame.locals import *
from plane import *
def start():
screen = pygame.display.set_mode((480, 890), 0 ,32)
#图片调用
image_file_path = './feiji/background.png'
background = pygame.image.load(image_file_path).convert()
#创建一个飞机对象
hero_plane = HeroPlane(screen, "hero")
#创建一个敌机对象
enemy_plane = EnemyPlane(screen, "enemy")
while True:
screen.blit(background, (0, 0))
hero_plane.display()
enemy_plane.display()
enemy_plane.move()
enemy_plane.launch_bullet()
#监听用户事件
for event in pygame.event.get():
if event.type == QUIT:
print("exit")
exit()
elif event.type == KEYDOWN:
if event.key == K_a or event.key == K_LEFT:
print('left')
hero_plane.move_left()
elif event.key == K_d or event.key == K_RIGHT:
print('right')
hero_plane.move_right()
elif event.key == K_SPACE:
print('space')
hero_plane.launch_bullet()
time.sleep(0.01)
pygame.display.update()
if __name__ == '__main__':
start()
2.plane.py
import pygame
import random
from bullet import *
class Plane(object):
def __init__(self, screen, name):
# 设置默认飞机的位置
self.x = 230
self.y = 600
#飞机的名称
self.name = name
# 设置要显示内容的窗口
self.screen = screen
self.image_name = "./feiji/hero.png"
self.image = pygame.image.load(self.image_name).convert()
# 用来储存英雄飞机发射的所有子弹
self.bullet_list = []
def display(self):
#更新飞机的位置
self.screen.blit(self.image, (self.x, self.y))
#存放需要删除的信息
need_del_list = []
#历遍bullet_list经行判断
for i in self.bullet_list:
if i.judge():
need_del_list.append(i)
#删除self.bullet_list中需要删除的对象
for i in need_del_list:
self.bullet_list.remove(i)
for bullet in self.bullet_list:
bullet.display()
bullet.move()
def launch_bullet(self):
new_bullet = PublicBullet(self.x, self.y, self.screen, self.name)
self.bullet_list.append(new_bullet)
class HeroPlane(Plane):
def __init__(self, screen, name):
super().__init__(screen, name)
self.x = 230
self.y = 600
self.image_name = "./feiji/hero.png"
self.image = pygame.image.load(self.image_name).convert()
def move_left(self):
self.x -= 10
def move_right(self):
self.x += 10
class EnemyPlane(Plane):
#重写父类的__init__方法
def __init__(self, screen, name):
# 设置飞机默认位置
super().__init__(screen, name)
self.x = 0
self.y = 0
self.image_name = "./feiji/enemy-1.png"
self.image = pygame.image.load(self.image_name).convert()
#将自动引导设为右
self.direction = "right"
def move(self):
if self.direction == "right":
self.x += 2
elif self.direction == "left":
self.x -= 2
if self.x > 480 - 50:
self.direction = "left"
elif self.x < 0:
self.direction = "right"
def launch_bullet(self):
#随机数字
number = random.randint(1,100)
if number == 88:
#调用launch_bullet()
super().launch_bullet()
3.bullet.py
import pygame
class PublicBullet(object):
def __init__(self, x, y, screen, plane_name):
self.screen = screen
self.plane_name = plane_name
if plane_name == "hero":
self.x = x + 10
self.y = y - 20
image_name = "./feiji/bullet-3.png"
elif plane_name == "enemy":
self.x = x + 10
self.y = y + 40
image_name = "./feiji/bullet-1.png"
self.image = pygame.image.load(image_name).convert()
def move(self):
if self.plane_name == "hero":
self.y -= 2
elif self.plane_name == "enemy":
self.y += 2
def display(self):
#根据名字赋予图片初始位置
self.screen.blit(self.image, (self.x, self.y))
def judge(self):
#子弹位置判断
if self.y > 890 or self.y < 0:
return True
else:
return False
此外值得一提的是，虽然课本上给出了PyCharm的安装及PyGame的导入方法，但本人却遇到了并未提及的“无法导入”的情况
处理方法是选择“Show All…”，重新选择有效的py路径即可
