打飞机游戏出错

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电梯直达

楼主

发表于 2017-10-30 20:32:13 |只看该作者 |倒序浏览

import pygame
import random
import sys
class Bullet:
def __init__(self):
      self.x=0
      self.y=-1
      self.image=pygame.image.load("bullet.png").convert_alpha()
      self.active=False
def move(self):
      #激活状态下，向上移动
      if self.active:
         self.y-=3

      #当飞出屏幕，就设不不激活
      if self.y<0:
         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

class Enemy:
def __init__(self):
      self.level=1
      self.restart()
      self.image=pygame.image.load("enemy.png").convert_alpha()
def move(self):
      if self.y<650: #800为屏幕的高度
         #向下移动

         self.y+=self.speed
         #self.y+=0.09
      else:
         self.restart()
def restart(self):
      self.x=random.randint(50,400)
      self.y=random.randint(-200,-50)
      self.speed=random.uniform(0.01,0.1)+0.1*self.level
def setLeval(self,level):
      self.level=level

class Plane:
def restart(self):
      self.x=200
      self.y=450
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

def checkHit(enemy,bullet,score):
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())):
      if(score %1000 ==0 ):
         enemy.setLeval(score/1000+1)
         enemy.restart()
      else:
         enemy.restart()
      #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_width() < enemy.y + enemy.image.get_height()):
      return True
return False

pygame.init()
screen=pygame.display.set_mode((450,650),0,32)
pygame.display.set_caption("Hello,World")
#加载并转换图像
background=pygame.image.load("back.jpg").convert()

plane=Plane()
bullets=[]
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
enemies=[]
for i in range(5):
enemies.append(Enemy())
gameover=False
score=0
font=pygame.font.Font(None,32)

while True:
for event in pygame.event.get():
      #接收到退出事件后退出程序
      if event.type==pygame.QUIT:
         pygame.quit()
         sys.exit()
      if gameover and event.type==pygame.MOUSEBUTTONUP:
         plane.restart()
         for e in enemies:
            e.setLeval(1)
            e.restart()
         for b in bullets:
            b.active=False
         score=0
         gameover=False
screen.blit(background,(0,0))
if gameover==False:
      interval_b-=1
      if(interval_b<0):
         bullets[index_b].restart()
         interval_b=100
         index_b=(index_b+1)%count_b
      #判断每个子弹的状态
      for b in bullets:
         if b.active:
            for e in enemies:
                  if checkHit(e,b,score):
                     score+=100
            b.move()
            screen.blit(b.image,(b.x,b.y))

      for e in enemies:
         e.move()
         screen.blit(e.image,(e.x,e.y))

      for b in bullets:
         if b.active:
            b.move()
            screen.blit(b.image,(b.x,b.y))

      for e in enemies:
         #如果撞上敌机，设gameover为True
         if checkCrash(e, plane):
            gameover = True
         e.move()
         screen.blit(e.image, (e.x, e.y))

      plane.move()
      #再画飞机
      screen.blit(plane.image,(plane.x,plane.y))
      text=font.render("Socre: %d" %score,1,(0,0,0))
      screen.blit(text, (0, 0))
else:
      text=font.render("Socre: %d" %score,1,(0,0,0))
      screen.blit(text, (170, 300))
      #pass
#把飞机画到屏幕上
pygame.display.update()

程序可以运行，但是多运行几次就会出现在问题。

QQ截图20171030203133.png (3.3 KB, 下载次数: 277)