#coding=utf-8
import time
import random
import pygame
from pygame.locals import *
class HeroPlane(object):
def __init__(self,screen):
#设置飞机默认的位置
self.x = 230
self.y = 600
#设置要显示内容的窗口
self.screen = screen
self.imageName = "./feiji/hero.gif"
self.image = pygame.image.load(self.imageName).convert()
#用来存储英雄飞机发射的所有子弹
self.bulletList = []
def display(self):
#更新飞机的位置
self.screen.blit(self.image,(self.x,self.y))
#判断一下子弹的位置是否越界,如果是,那么就要删除这颗子弹
#
#这种方法会漏掉很多需要删除的数据
# for i in self.bulletList:
# if i.y<0:
# self.bulletList.remove(i)
#存放需要删除的对象信息
needDelItemList = []
for i in self.bulletList:
if i.judge():
needDelItemList.append(i)
for i in needDelItemList:
self.bulletList.remove(i)
# del needDelItemList
#更新及这架飞机发射出的所有子弹的位置
for bullet in self.bulletList:
bullet.display()
bullet.move()
#修改所有子弹的位置
# for bullet in self.bulletList:
# bullet.y -= 2
def moveLeft(self):
self.x -= 10
def moveRight(self):
self.x += 10
def sheBullet(self):
newBullet = Bullet(self.x,self.y,self.screen)
self.bulletList.append(newBullet)
class Bullet(object):
def __init__(self,x,y,screen):
self.x = x+40
self.y = y-20
self.screen = screen
self.image = pygame.image.load("./feiji/bullet-3.gif").convert()
def move(self):
self.y -= 2
def display(self):
self.screen.blit(self.image,(self.x,self.y))
def judge(self):
if self.y<0:
return True
else:
return False
class EnemyPlane(object):
def __init__(self,screen):
#设置飞机默认的位置
self.x = 0
self.y = 0
#设置要显示内容的窗口
self.screen = screen
self.imageName = "./feiji/enemy-1.gif"
self.image = pygame.image.load(self.imageName).convert()
#用来存储敌人飞机发射的所有子弹
self.bulletList = []
self.direction = "right"
def display(self):
#更新飞机的位置
self.screen.blit(self.image,(self.x,self.y))
#判断一下子弹的位置是否越界,如果是,那么就要删除这颗子弹
#
#这种方法会漏掉很多需要删除的数据
# for i in self.bulletList:
# if i.y<0:
# self.bulletList.remove(i)
#存放需要删除的对象信息
needDelItemList = []
for i in self.bulletList:
if i.judge():
needDelItemList.append(i)
for i in needDelItemList:
self.bulletList.remove(i)
# del needDelItemList
#更新及这架飞机发射出的所有子弹的位置
for bullet in self.bulletList:
bullet.display()
bullet.move()
def move(self):
#如果碰到了右边的边界,那么就往左走,如果碰到了左边的边界,那么就往右走
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 sheBullet(self):
num = random.randint(1,100)
if num == 88:
newBullet = EnemyBullet(self.x,self.y,self.screen)
self.bulletList.append(newBullet)
class EnemyBullet(object):
def __init__(self,x,y,screen):
self.x = x+30
self.y = y+30
self.screen = screen
self.image = pygame.image.load("./feiji/bullet-1.gif").convert()
def move(self):
self.y += 2
def display(self):
self.screen.blit(self.image,(self.x,self.y))
def judge(self):
if self.y>890:
return True
else:
return False
if __name__ == "__main__":
#1. 创建一个窗口,用来显示内容
screen = pygame.display.set_mode((480,890),0,32)
#2. 创建一个和窗口大小的图片,用来充当背景
background = pygame.image.load("./feiji/background.png").convert()
#3. 创建一个飞机对象
heroPlane = HeroPlane(screen)
#4. 创建一个敌人飞机
enemyPlane = EnemyPlane(screen)
#3. 把背景图片放到窗口中显示
while True:
screen.blit(background,(0,0))
heroPlane.display()
enemyPlane.move()
enemyPlane.sheBullet()
enemyPlane.display()
#判断是否是点击了退出按钮
for event in pygame.event.get():
# print(event.type)
if event.type == QUIT:
print("exit")
exit()
elif event.type == KEYDOWN:
if event.key == K_a or event.key == K_LEFT:
print('left')
heroPlane.moveLeft()
#控制飞机让其向左移动
elif event.key == K_d or event.key == K_RIGHT:
print('right')
heroPlane.moveRight()
elif event.key == K_SPACE:
print("space")
heroPlane.sheBullet()
#通过延时的方式,来降低这个while循环的循环速度,从而降低了cpu占用率
time.sleep(0.01)
pygame.display.update()