面向对象学习之pygame坦克大战
经过一天多的奋战，查阅文献，参考别人的代码等等，完成了第一个面向对象的小项目，也深深体会到面向对象编程思想在游戏编程中所扮演的角色。
附上代码，参考了别人的代码，以及对他们代码的完善，又加上了自己的一些东西，收获颇深。
import pygame
import sys
import time
from pygame.locals import *
from random import randint
MOVE_SLEEP = 0.01
class MyTank:
width = 600
heights = 500
speed = 10
screen = 0
myshells = []
enemylist = []
enemyshells = []
grade = 0
life = 3
cnt = 0
def startgame(self):
pygame.init()
self.screen = pygame.display.set_mode((self.width,self.heights),0,32)
pygame.display.set_caption("bit tank")
self.tank = Tank(self.screen,275,450)
for i in range(6):
self.enemylist.append(EnmeyTank(self.screen))
while True:
key = pygame.key.get_pressed()
self.screen.fill((0,0,0))
if key[K_LEFT]:
self.tank.move('L')
elif key[K_RIGHT]:
self.tank.move('R')
elif key[K_UP]:
self.tank.move('U')
elif key[K_DOWN]:
self.tank.move('D')
self.get_event()
for shell in self.myshells:
if shell.move() == True:
self.myshells.remove(shell)
shell.display()
a = shell.hitTank()
#子弹碰撞
if a == True:
if self.life >0:
self.myshells.remove(shell)
self.grade += 1
#mytank碰撞
if self.tank.live == True:
if self.tank.hitTank():
self.life -= 1
if self.life <=0:
self.tank.live =False
else:self.tank = Tank(self.screen,275,450)
#mytanke 碰撞子弹
if self.tank.live == True:
if self.tank.hitShell():
self.life -= 1
if self.life <=0:
self.tank.live = False
else:self.tank=Tank(self.screen,275,450)
#敌方子弹击中我方坦克
# 游戏结束
if self.life <=0:
self.gotGamePrint()
for enemy in self.enemylist:
enemy.move()
print('move')
enemy.display()
# 添加敌方子弹
self.cnt += 1
if self.cnt % 100 ==0:
for enemy in self.enemylist:
self.enemyshells.append(enemy.fire())
#判断敌方子弹碰撞
for enemyshell in self.enemyshells:
f = enemyshell.move()
enemyshell.display()
if f:
self.enemyshells.remove(enemyshell)
if len(self.enemylist)<6:
self.enemylist.append(EnmeyTank(self.screen))
self.screen.blit(self.getGrade(),(5,5))
self.tank.display()
pygame.display.update()
time.sleep(0.02)
def get_event(self):
for event in pygame.event.get():
if event.type == KEYDOWN:
if event.key == K_SPACE:
self.myshells.append(self.tank.fire())
if event.key == K_ESCAPE:
pass
def getGrade(self):
text = pygame.font.Font('./font/msyhbd.ttc',20).render("分数:{} 生命:{}".format(self.grade,self.life),True,(0,255,0))
return text
def gotGamePrint(self):
text = pygame.font.Font('./font/msyh.ttc',70).render('game over!',True,(0,255,0))
self.screen.blit(text,(100,200))
class Shell:
width = 48
height = 48
live = True
speed = 3
def __init__(self,screen,tank):
self.screen = screen
self.image = pygame.image.load('./images/3.png')
self.direction = tank.direction
self.rect = self.image.get_rect()
self.rect.left = tank.rect.left + (tank.width-self.width)/2.0+18
# print(tank.rect.left,tank.width,self.width)
self.rect.top = tank.rect.top + (tank.height - self.height)/2.0
self.live = True
def move(self):
tag = self.isObstacle()
if self.live == True:
if self.direction == 'L' and self.direction not in tag:
self.rect.left -= self.speed
elif self.direction == 'R' and self.direction not in tag:
self.rect.left += self.speed
elif self.direction == 'U' and self.direction not in tag:
self.rect.top -= self.speed
elif self.direction == 'D' and self.direction not in tag:
self.rect.top += self.speed
else:
pass
if self.direction in tag:
return True
else:
return False
else:
pass
def display(self):
# print(self.rect.left,self.rect.top)
if self.live == True:
self.screen.blit(self.image,self.rect)
def isObstacle(self):
tag = []
if self.rect.left <=0:tag.append('L')
if self.rect.left + self.width >= MyTank.width:tag.append('R')
if self.rect.top <=0:tag.append('U')
if self.rect.top + self.height >=MyTank.heights:tag.append('D')
return tag
def hitTank(self):
hitList = pygame.sprite.spritecollide(self,MyTank.enemylist,False)
for e in hitList:
e.live = False
MyTank.enemylist.remove(e)
self.live = False
return True
return False
def hitMytank(self):
hitList = pygame.sprite.spritecollide(self,MyTank.tank,False)
for e in hitList:
e.live = False
MyTank.life -= 1
return True
class BaseTank:
width = 50
height = 50
direction = 'U'
live = True
time = 0
images = {}
def __init__(self,screen,left,top):
self.screen = screen
self.images['L'] = pygame.image.load("images/04.jpg")
self.images['R'] = pygame.image.load("images/02.jpg")
self.images['U'] = pygame.image.load("images/01.jpg")
self.images['D'] = pygame.image.load("images/03.jpg")
self.image = self.images[self.direction]
self.rect = self.image.get_rect()
self.rect.left = left
self.rect.top = top
self.live = True # 坦克是否被消灭
def isObstacle(self):
tag = []
if self.rect.left <= 0: tag.append('L')
if self.rect.left + self.width >= MyTank.width: tag.append('R')
if self.rect.top <= 0: tag.append('U')
if self.rect.top + self.height >= MyTank.heights: tag.append('D')
return tag
def display(self):
if self.live == True:
self.image = self.images[self.direction]
self.screen.blit(self.image, self.rect)
def fire(self):
m = Shell(self.screen,self)
return m
class Tank(BaseTank):
images = {}
def __init__(self,screen,left,top):
super().__init__(screen,275,450)
self.screen = screen
self.speed = 2
self.images['L'] = pygame.image.load('./images/4.jpg')
self.images['R'] = pygame.image.load('./images/2.jpg')
self.images['U'] = pygame.image.load('./images/1.jpg')
self.images['D'] = pygame.image.load('./images/3.jpg')
self.image = self.images[self.direction]
self.rect = self.image.get_rect()
self.rect.top = top
self.rect.left = left
def move(self, direction):
if self.live == True:
tag = self.isObstacle()
if direction == self.direction:
if self.direction == 'L' and self.direction not in tag:
self.rect.left -= self.speed
elif self.direction == 'R' and self.direction not in tag:
self.rect.left += self.speed
elif self.direction == 'U' and self.direction not in tag:
self.rect.top -= self.speed
elif self.direction == 'D' and self.direction not in tag:
self.rect.top += self.speed
else:
pass
else:
self.direction = direction
def hitTank(self):
hitList = pygame.sprite.spritecollide(self,MyTank.enemylist,False)
for e in hitList:
self.live = False
return True
return False
def hitShell(self):
hitlist = pygame.sprite.spritecollide(self, MyTank.enemyshells, False)
for e in hitlist:
self.live = False
return True
return False
class EnmeyTank(BaseTank):
speed = 1
def __init__(self,screen):
super().__init__(screen,randint(1,5)*100,0)
self.getdirection()
self.step = 0
def getdirection(self):
self.direction = ['L','R','U','D'][randint(0,3)]
def move(self):
if self.live == True:
if self.step == 0 or (self.direction in self.isObstacle()):
self.getdirection()
self.step = randint(0, 200)
else:
tag = self.isObstacle()
if self.direction == 'L' and self.direction not in tag:
self.rect.left -= self.speed
elif self.direction == 'R' and self.direction not in tag:
self.rect.left += self.speed
elif self.direction == 'U' and self.direction not in tag:
self.rect.top -= self.speed
elif self.direction == 'D' and self.direction not in tag:
self.rect.top += self.speed
else:
pass
self.step -= 1
if __name__ == '__main__':
main = MyTank()
main.startgame()
文件主要有10张图片和2个字体文件，主坦克的四个形态，敌方坦克的四个形态，以及子弹等，10张图片。
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持【听图阁-专注于Python设计】。
