Python小游戏坦克飞机大战（进阶 附源码）

一 ，学习目标

 1， 掌握简单的python类的使用

 2， 熟练pygame模块的使用

 3 ， 体会面向对象编程特点

二 ， 学习要求

1 ， 具备python基础语法知识

2 ， 掌握python模块的导入方式

3 ， 触类旁通用python写其他小游戏

三 ， 效果展示

 

12QQ录屏20230604225243

四 ， 代码演示

import random
import math
import pygame
from pygame.locals import *

User_x,User_y,User_Stepx, User_Stepy = 600, 500, 0, 0
score = 0
# font = pygame.font.Font('freesansbold', 32)
# 创建敌人类
class enemy():
    def __init__(self):
        self.x = random.randint(10, 1100)
        self.y = random.randint(0, 300)
        self.step = 1
        self.pic = pygame.image.load('D:\CAdvace\PythonGame\emey1.png')
        pass
    def reset(self):
        self.x = random.randint(10, 1100)
        self.y = random.randint(0, 200)
        pass 
    pass





enemies = []
bullets = []
for item in range(1,6):
    enemies.append(enemy())
    pass



# 显示分数
def show_score(screen):
    global font 
    text = f'score : {score}'
    font_render = font.render(text, True, (0, 225, 0))
    screen.blit(font_render, (10, 10))
    
    
    
# 创建子弹类
class bullet():
    def __init__(self):
        self.x = User_x + 30
        self.y = User_y 
        self.pic = pygame.image.load('D:\CAdvace\PythonGame\selfbullet.png')
        self.step = random.randint(1,4)
        pass
    def hit(self):
        global score
        for e in enemies:
            if distance(self.x, self.y, e.x, e.y) < 30:
                bullets.remove(self)
                hit_sound.play()
                score += 1000
                print(f'{score}')
                e.reset()
                pass
            
                
                
# 显示子弹
def show_bullet(screen):
    for b in bullets:
        screen.blit(b.pic, (b.x, b.y))
        b.hit()
        b.y -= b.step
        if b.y < 0:
            bullets.remove(b)
            pass
        pass
    pass

# 计算欧式距离
def distance(b1_x,b1_y,e_x,e_y):
    distancex = b1_x - e_x
    distancey = b1_y - e_y
    d = math.sqrt(distancex*distancex + distancey*distancey)
    return d
    
# 判断键盘事件
def key_event():
    global User_Stepx
    global User_Stepy
    for key_item in pygame.event.get(): 
           if key_item.type == QUIT:
              exit()
           if key_item.type == KEYDOWN:
               if key_item.key == K_LEFT:
                   User_Stepx = -3
                   pass
               elif key_item.key == K_RIGHT:
                   User_Stepx = 3
                   pass
               elif key_item.key == K_SPACE:
                   print('fire a bullet !')
                   bullets.append(bullet())
                   
                   pass
               elif key_item.key == K_DOWN:
                   User_Stepy = 3
                   pass
               elif key_item.key == K_UP:
                   User_Stepy = -3
               pass
           if key_item.type == KEYUP:
               User_Stepx = 0
               User_Stepy = 0
               pass
           pass




    
# 移动玩家(判断出界)
def move_player():
    global User_x, User_y, User_Stepx, User_Stepy
    User_x += User_Stepx
    if User_x > 1100:
            User_x =1100
            pass
    if User_x < 10:
            User_x = 10
            pass    
        
    User_y += User_Stepy
    if User_y < 300:
            User_y = 300
            pass
    if User_y > 500:
            User_y = 500
            pass    
        

        
# 设置游戏音效
def game_music():
    global hit_sound
    pygame.mixer.init()
    pygame.mixer.music.load('d:\CAdvace\PythonGame\game_voice.wav') 
    pygame.mixer.music.set_volume(0.5) # 设置游戏音大小(0-1)
    pygame.mixer.music.play(-1)
    hit_sound = pygame.mixer.Sound('D:\CAdvace\PythonGame\hit.mp3')
    
    
    pass

# 设置射中音效


# 显示敌人
def show_enemy(screen):
    for e in enemies:
        screen.blit(e.pic, (e.x, e.y))
        e.x += e.step
        if(e.x > 1100 or e.x < 0):
          e.step *= -1
          e.y += 30
          pass
    pass
  
    # 移动敌人
    

# 设置主函数                
def main():
    global User_Stepx, User_Stepy
    screen = pygame.display.set_mode((1200, 700), 0 , 32)   
    pygame.display.set_caption('Onely44')
    icon = pygame.image.load('d:\CAdvace\PythonGame\game_icon.png')
    pygame.display.set_icon(icon)
    background = pygame.image.load('d:\CAdvace\PythonGame\game_background.jpg')
    UserSpaceship = pygame.image.load('D:\CAdvace\PythonGame\SpaceShip.png')
    game_music()
    while True:
        screen.blit(background,(0,0))                                   
        screen.blit(UserSpaceship,(User_x, User_y))
        show_bullet(screen=screen)
        # show_score(screen=screen)
        show_enemy(screen=screen)
        key_event()
        move_player()
        pygame.display.update()
        pass
    
            
if __name__ == '__main__':
    main()
    pass