07-植物大战僵尸

Catalogue

1. 1. 参考资料

效果图：

代码：

import pygame
import random
from pygame.locals import *

WIDTH = 1000
HEIGHT = 500

#豌豆类
class Peas:
    def __init__(self):
        # 豌豆图片
        self.image = pygame.image.load("./res/peas.gif")
        self.image_rect = self.image.get_rect()
        self.image_rect.top = 200
        self.is_move_up = False
        self.is_move_down = False
        #是否发射炮弹
        self.is_shout = False

    #显示
    def display(self):
        # 豌豆显示在页面上
        screen.blit(self.image, self.image_rect)


    #向上移动
    def move_up(self):
        if self.image_rect.top > 10:
            self.image_rect.move_ip(0,-6)

        #豌豆是碰上僵尸
        for zombie in Zombie.zombie_list:
            if(self.image_rect.colliderect(zombie.image_rect)):
                pygame.quit();
                exit()

    #向下移动
    def move_down(self):
        if self.image_rect.bottom < 500:
            self.image_rect.move_ip(0,6)

        #豌豆碰上僵尸
        for zombie in Zombie.zombie_list:
            if self.image_rect.colliderect(zombie.image_rect):
                pygame.quit()
                exit()
    #发射炮弹
    def shout_bullit(self):
        #创建炮弹对象
        bullet = Bullet(self)
        #将炮弹对象添加到集合中
        Bullet.bullet_list.append(bullet)

#键盘控制
def key_control():
    # 对事件的处理
    for event in pygame.event.get():
        #对事件的处理
        if event.type == QUIT:
            quit()
        elif event.type == KEYDOWN:        #键盘按下
            #向上键
            if event.key == K_UP:
                #向上移动
                peas.is_move_up = True
                #向下键
            elif event.key == K_DOWN:
                #向下移动
                peas.is_move_down = True
            elif event.key == K_SPACE:      #空格键
                peas.is_shout = True

        elif event.type == KEYUP:
            #键盘弹起
            if event.key == K_UP:          #向上键
                peas.is_move_up = False
            elif event.key == K_DOWN:      #向下键
                peas.is_move_down = False
            elif event.key == K_SPACE:      #空格键
                peas.is_shout = False


#炮弹对象
class Bullet:
    # 所有的炮弹对象
    bullet_list = []

    # 创建炮弹的间隔时间
    interval = 0

    def __init__(self,peas):
        self.image = pygame.image.load("./res/bullet.gif")
        self.image_rect = self.image.get_rect()
        self.image_rect.top = peas.image_rect.top
        self.image_rect.left = peas.image_rect.right

    #炮弹显示
    def display(self):
        # 炮弹显示在页面上
        screen.blit(self.image, self.image_rect)

    #炮弹移动
    def move(self):
        self.image_rect.move_ip(10,0)
        #如果炮弹超出范围，则删除
        if self.image_rect.left > WIDTH:
            Bullet.bullet_list.remove(self)

        for zombie in Zombie.zombie_list:
            if self.image_rect.colliderect(zombie.image_rect):
                Bullet.bullet_list.remove(self)
                Zombie.zombie_list.remove(zombie)


#僵尸类
class Zombie:
    #存放僵尸对象
    zombie_list = []

    #存放僵尸创建的时间
    interval = 0

    def __init__(self):
        self.image = pygame.image.load("./res/zombie.gif")
        self.image = pygame.transform.scale(self.image, (70, 70))
        self.image_rect = self.image.get_rect()
        self.image_rect.top = random.randint(10, HEIGHT - 70)
        self.image_rect.left = WIDTH

    #显示
    def display(self):
        # 僵尸显示在页面上
        screen.blit(self.image, self.image_rect)

    # 僵尸移动
    def move(self):
        self.image_rect.move_ip(-2, 0)
        # 如果炮弹超出范围，则删除
        if self.image_rect.left < -70:
            Zombie.zombie_list.remove(self)

        #循环僵尸，查看僵尸是否碰上炮弹
        for bullet in Bullet.bullet_list:
            #发生碰撞
            if self.image_rect.colliderect(bullet.image_rect):
                Zombie.zombie_list.remove(self)
                Bullet.bullet_list.remove(bullet)

        #查看僵尸是否碰上豌豆
        if self.image_rect.colliderect(peas.image_rect):
            pygame.quit();
            exit()

if __name__ == '__main__':
    #显示窗体
    screen = pygame.display.set_mode(size=(WIDTH,HEIGHT))
    pygame.display.set_mode()
    #设置背景图片
    background_image = pygame.image.load("./res/background.png")

    #改变图片大小
    scale_background_image = pygame.transform.scale(background_image,(WIDTH,HEIGHT))
    #获取图片的位置和大小
    scale_background_image_rect = scale_background_image.get_rect()

    #定义两个状态，用于判断是否向下，向上移动
    peas_is_move_up = False
    peas_is_move_down = False

    #创建一个时钟，优化运行的速度效果
    clock = pygame.time.Clock()

    # 创建豌豆对象
    peas = Peas()
    
    while True:
        #设置背景颜色为黑色
        screen.fill((0,0,0))
        
        # 设置窗体的背景图片
        screen.blit(scale_background_image, scale_background_image_rect)

        # 显示豌豆
        peas.display()

        # 键盘控制
        key_control()

        if peas.is_move_up:
            peas.move_up()

        if peas.is_move_down:
            peas.move_down()

        #发射炮弹
        Bullet.interval += 1
        if peas.is_shout and Bullet.interval >= 20:
            Bullet.interval = 0
            peas.shout_bullit()

        #显示所有炮弹
        for bullet in Bullet.bullet_list:
            bullet.display()
            bullet.move()

        Zombie.interval += 1
        #创建僵尸
        if Zombie.interval > 20:
            Zombie.interval = 0
            zombie = Zombie()
            Zombie.zombie_list.append(zombie)

        #显示所有僵尸
        for zombie in Zombie.zombie_list:
            zombie.display()
            zombie.move()

        #帧频率
        clock.tick(60)

        pygame.display.update()

参考资料