【Pygame 第12课】屡败屡战 - Crossin的编程教室

# -*- coding: utf-8 -*-
import pygame
from sys import exit
import random
pygame.init()
screen = pygame.display.set_mode((450, 600), 0, 32)
background = pygame.image.load("back.jpg").convert()
plane = pygame.image.load("plane.png").convert_alpha()
pygame.display.set_icon(plane)
pygame.display.set_caption("打飞机")
class Enemy:
def restart(self):
#重置敌机位置和速度
self.x = random.randint(50, 400)
self.y = random.randint(-200, -50)
self.speed = random.random() + 0.1
def __init__(self):
#初始化
self.restart()
self.image = pygame.image.load('enemy.png').convert_alpha()
def move(self):
if self.y < 600:
#向下移动
self.y += 0.3
else:
#重置
self.restart()
#enemy = Enemy()
enemies = []
for i in range(3):
enemies.append(Enemy())
class Bullet:
def __init__(self):
#初始化成员变量，x，y，image
self.x = 0
self.y = -1
self.image = pygame.image.load('bullet.png').convert_alpha()
self.active = False
def restart(self):
mouseX, mouseY = pygame.mouse.get_pos()
self.x = mouseX - self.image.get_width() / 2
self.y = mouseY - self.image.get_height() /2
self.active = True
def move(self):
#处理子弹的运动
if self.y < 0:
self.active = False
if self.active:
self.y -= 3
#创建子弹的list
bullets = []
#向list中添加5发子弹
for i in range(5):
bullets.append(Bullet())
#子弹总数
count_b = len(bullets)
#即将激活的子弹序号
index_b = 0
#发射子弹的间隔
interval_b = 0
class Plane:
def restart(self):
self.x = 200
self.y = 600
def __init__(self):
self.restart()
self.image = pygame.image.load('plane.png').convert_alpha()
def move(self):
x, y = pygame.mouse.get_pos()
x-= self.image.get_width() / 2
y-= self.image.get_height() / 2
self.x = x
self.y = y
plane = Plane()
bullet = Bullet()
enemy = Enemy()
def checkHit(enemy, bullet):
if (bullet.x > enemy.x and bullet.x < enemy.x + enemy.image.get_width()) and (bullet.y > enemy.y and bullet.y < enemy.y + enemy.image.get_height()):
enemy.restart()
bullet.active = False
return True
return False
def checkCrash(enemy, plane):
if (plane.x + 0.7*plane.image.get_width() > enemy.x) and (plane.x + 0.3*plane.image.get_width() < enemy.x + enemy.image.get_width()) and (plane.y + 0.7*plane.image.get_height() > enemy.y) and (plane.y + 0.3*plane.image.get_height() < enemy.y + enemy.image.get_height()):
return True
return False
gameover = False
score = 0
Hscore = []
font = pygame.font.SysFont('楷体', 16)
text1 = font.render(u"点击鼠标左键重新开始", 1, (0, 0, 0))
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
exit()
#判断在gameover状态下点击了鼠标
if gameover and event.type == pygame.MOUSEBUTTONUP:
#重置游戏
plane.restart()
for e in enemies:
e.restart()
for b in bullets:
b.active = False
score = 0
gameover = False
screen.blit(background, (0,0))
if not gameover:
interval_b -= 1
if interval_b < 0:
bullets[index_b].restart()
interval_b = 100
index_b = (index_b+1) % count_b
for b in bullets:
if b.active:
for e in enemies:
if checkHit(e, b):
score += 100
if checkCrash(e, plane):
gameover = True
b.move()
screen.blit(b.image, (b.x-23, b.y))
screen.blit(b.image, (b.x+25, b.y))
for e in enemies:
e.move()
screen.blit(e.image, (e.x, e.y))
plane.move()
screen.blit(plane.image, (plane.x, plane.y))
text = font.render("Socre:%d" % score, 1, (0, 0, 0))
screen.blit(text, (0, 0))
else:
screen.blit(text, (0, 0))
screen.blit(text1,(100,32))
Hscore.append(score)
text2 = font.render(u"HScore:%d" % sorted(Hscore)[-1], 1, (0, 0, 0))
screen.blit(text2, (250, 0))
pass
pygame.display.update()

复制代码