早上逛CSDN首页就见到这么一篇教程。看了一下很有意思，就马上动手实现了一下。看看效果吧：

完整代码：

# -*- coding: utf-8 -*-
# 1 - Import library
import pygame
from pygame.locals import *
import math
import random
# 2 - Initialize the game
keys = [False, False, False, False]
playerpos=[100,100]
acc=[0,0]
arrows=[]
badtimer=100
badtimer1=0
badguys=[[640,100]]
healthvalue=194
pygame.init()
width, height = 640, 480
screen=pygame.display.set_mode((width, height))pygame.mixer.init()# 3 - Load images
player = pygame.image.load("resources/images/dude.png")
grass = pygame.image.load("resources/images/grass.png")
castle = pygame.image.load("resources/images/castle.png")
arrow = pygame.image.load("resources/images/bullet.png")
badguyimg1 = pygame.image.load("resources/images/badguy.png")
gameover = pygame.image.load("resources/images/gameover.png")
youwin = pygame.image.load("resources/images/youwin.png")
healthbar = pygame.image.load("resources/images/healthbar.png")
health = pygame.image.load("resources/images/health.png")
badguyimg=badguyimg1
# 3.1 - Load audio
hit = pygame.mixer.Sound("resources