Python写捕鱼达人的游戏实现

# coding:utf-8
# 导入模块
import pygame,sys,time,random
from pygame.locals import *
# 初始化pygame环境
pygame.init()
# 创建一个长宽分别为800/480的窗口
canvas = pygame.display.set_mode((800,480))
canvas.fill((255,255,255))
# 设置窗口标题
pygame.display.set_caption('捕鱼达人')
# 加载图片
bg = pygame.image.load("./images/bg.jpg")
fish1 = pygame.image.load("./images/fish1_0.png")
fish2 = pygame.image.load("./images/fish2_0.png")
fish3 = pygame.image.load("./images/fish3_0.png")
fish4 = pygame.image.load("./images/fish4_0.png")
fish5 = pygame.image.load("./images/fish5_0.png")
fish6 = pygame.image.load("./images/fish6_0.png")
fish7 = pygame.image.load("./images/fish7_0.png")
fish8 = pygame.image.load("./images/fish8_0.png")
fish9 = pygame.image.load("./images/fish9_0.png")
fish10 = pygame.image.load("./images/fish10_0.png")
fish11 = pygame.image.load("./images/fish11_0.png")
net = pygame.image.load("./images/net.png")
gameover = pygame.image.load("./images/gameover.jpg")
# 定义事件监听函数
def handleEvent():
  for event in pygame.event.get():
    if event.type == QUIT:
      pygame.quit()
      sys.exit()
    # 添加鼠标移动事件，让鼠标控制网的移动
    if event.type == MOUSEMOTION:
      Game.net.x = event.pos[0] - Game.net.width/2
      Game.net.y = event.pos[1] - Game.net.height/2
# 定义时间间隔判断函数
def isActionTime(lastTime,interval):
  if lastTime == 0:
    return True
  currentTime = time.time()
  return currentTime - lastTime >= interval
# 定义鱼类
class Fish():
  def __init__(self,width,height,y,img):
    self.width = width
    self.height = height
    self.x = 800 - self.width
    self.y = y
    self.img = img
  def paint(self):
    canvas.blit(self.img,(self.x,self.y))
  def step(self):
    self.x -= 10
# 定义网类
class Net():
  def __init__(self,x,y):
    self.x = x
    self.y = y
    self.width = 160
    self.height = 160
    self.img = net
  def paint(self):
    canvas.blit(self.img,(self.x,self.y))
  # 定义越界函数
  def outOfBounds(self):
    if self.x <= 0:
      self.x = 0
    elif self.x >= 800 - self.width:
      self.x = 800 - self.width
    elif self.y <= 0:
      self.y = 0
    elif self.y >= 480 - self.height:
      self.y = 480 - self.height
  # 定义碰撞函数
  def hit(self,c):
    return c.x > self.x - c.width and c.x < self.x + self.width and c.y > self.y - c.height and c.y < self.y + self.height
# 定义存储游戏数据的类
class Game():
  # 游戏状态
  state = 'RUNNING'
  # 鱼的列表
  fish = []
  # 网的对象
  net = Net(100,100)
  # 分数
  score = 0
  # 时间
  t = 60
  n = 1
  # 上一次时间
  lastTime = 0
  # 时间间隔
  interval = 0.5
  # 所有鱼的宽高
  fish_pos = [[22,13],[50,48],[55,55],[73,73],[104,80],[60,60],[93,93],[94,81],[99,103],[180,140],[320,206],[100,96]]
# 定义产生鱼的函数
def conEnter():
  if not isActionTime(Game.lastTime,Game.interval):
    return
  Game.lastTime = time.time()
  r = random.randint(1,11)
  if Game.t <= 60:
    Game.fish.append(Fish(Game.fish_pos[r][0],Game.fish_pos[r][1],random.randint(0,480 - Game.fish_pos[r][1]),pygame.image.load("./images/fish"+str(r)+"_0.png")))
  elif Game.t <= 30:
    Game.fish.append(Fish(Game.fish_pos[r][0],Game.fish_pos[r][1],random.randint(0,480 - Game.fish_pos[r][1]),pygame.image.load("./images/fish"+str(r)+"_0.png")))
    Game.fish.append(Fish(Game.fish_pos[r][0],Game.fish_pos[r][1],random.randint(0,480 - Game.fish_pos[r][1]),pygame.image.load("./images/fish"+str(r)+"_0.png")))
  elif Game.t <= 10:
    Game.fish.append(Fish(Game.fish_pos[r][0],Game.fish_pos[r][1],random.randint(0,480 - Game.fish_pos[r][1]),pygame.image.load("./images/fish"+str(r)+"_0.png")))
    Game.fish.append(Fish(Game.fish_pos[r][0],Game.fish_pos[r][1],random.randint(0,480 - Game.fish_pos[r][1]),pygame.image.load("./images/fish"+str(r)+"_0.png")))
    Game.fish.append(Fish(Game.fish_pos[r][0],Game.fish_pos[r][1],random.randint(0,480 - Game.fish_pos[r][1]),pygame.image.load("./images/fish"+str(r)+"_0.png")))
# 定义画组件函数
def conPaint():
  canvas.blit(bg,(0,0))
  Game.net.paint()
  showScore()
  showTime()
  for fish in Game.fish:
    fish.paint()
# 定义组件移动函数
def conStep():
  Game.net.outOfBounds()
  for fish in Game.fish:
    fish.step()
# 定义碰撞检测函数
def checkHit():
  for fish in Game.fish:
    if Game.net.hit(fish) and len(Game.fish) != 0:
      Game.fish.remove(fish)
      Game.score += 1
# 定义绘制分数函数
def showScore():
  TextFont = pygame.font.SysFont('SimHei',40)
  TextScore = TextFont.render('得分：'+str(Game.score),True,(255,255,255))
  canvas.blit(TextScore,(20,20))
# 定义绘制时间函数
def showTime():
  TextFont = pygame.font.SysFont('SimHei',40)
  TextScore = TextFont.render('剩余时间：'+str(Game.t),True,(255,255,255))
  canvas.blit(TextScore,(550,20))
  if Game.n % 50 == 1:
    Game.t -= 1
  Game.n += 1
  if Game.t == 0:
    Game.state = 'END'
# 定义主控制函数
def control():
  if Game.state == 'RUNNING':
    conEnter()
    conPaint()
    conStep()
    checkHit()
  elif Game.state == 'END':
    canvas.blit(gameover,(0,0))
    TextFont = pygame.font.SysFont('SimHei',40)
    TextScore = TextFont.render('最终得分：'+str(Game.score),True,(0,0,0))
    canvas.blit(TextScore,(50,50))
while True:
  # 调用主控制函数
  control()
  # 更新屏幕内容
  pygame.display.update()
  # 延迟10毫秒
  pygame.time.delay(10)
  # 监听事件
  handleEvent()