Python之游戏开发-飞机大战

#!/usr/bin/env python
# coding: utf-8

import pygame
import time
import random
from pygame.locals import *


class Base(object):
    def __init__(self, x, y, imageName):
        self.x = x
        self.y = y
        self.imageName = imageName
        self.image = pygame.image.load(self.imageName).convert()

    def display(self):
        screen.blit(self.image, (self.x, self.y))


class Plane(Base):
    def __init__(self, screen, x, y, imageName, planeName):
        Base.__init__(self, x, y, imageName)
        self.screen = screen
        self.bulletList = []
        self.planeName = planeName

    def display(self):
        Base.display(self)


class EnemyPlane(Plane):
    def __init__(self, screen):
        Plane.__init__(self, screen, 0, 0, "./feiji/enemy-3.gif", "Enemy")
        self.directioin = "right"  # right表示向右  left表示向左
        self.speed = random.randint(1, 5)

    def move(self):
        if self.directioin == "right":
            self.x += self.speed
        elif self.directioin == "left":
            self.x -= self.speed
            # 到达另外一个边界时，需要反转方向
        if self.x > 480:
            self.directioin = "left"
        elif self.x < 0:
            self.directioin = "right"

    def shoot(self):
        shootFlagList = [2, 6]
        shootFlag = random.randint(1, 100)
        if shootFlag in shootFlagList:
            self.bulletList.append(Bullet(self.screen, self.planeName, self.x, self.y))
            # print("x:%d,y:%d"%(self.x, self.y))

    def display(self):
        Plane.display(self)
        # print(self.bulletList)

        for bullett in self.bulletList:
            if bullett.y <= 700:
                bullett.display()
                bullett.move()
                global hero
                # 以中点为心
                if ((bullett.x - hero.x - 40) ** 2 + (
                        bullett.y - hero.y - 40) ** 2) ** 0.5 < 40 and bullett.baozhaflag == 0:
                    bullett.baozhaflag = 1
                    global score
                    if score > 20:
                        score -= 20
                    else:
                        score = 0
                    global flagg
                    flagg = 1
                    print(hero.x, hero.y)
                    imageName = "./feiji/hero_blowup_n3.gif"
                    im = hero.image
                    hero.image = pygame.image.load(imageName).convert()
                    print("END")
            else:
                self.bulletList.remove(bullett)


class playerPlane(Plane):
    def __init__(self, screen):
        Plane.__init__(self, screen, 230, 600, "./feiji/hero.gif", "player")
        self.speed = 20

    def display(self):
        Plane.display(self)
        # print(self.bulletList)

        for bullett in self.bulletList:
            if bullett.y >= 0:
                bullett.display()
                bullett.move()
                global enemy
                if ((enemy.x + 40 - bullett.x) ** 2 + (
                        enemy.y + 80 - bullett.y) ** 2) ** 0.5 < 40 and bullett.baozhaflag == 0:
                    bullett.baozhaflag = 1
                    global escore
                    if escore > 0:
                        escore -= 20
                    global flagge
                    flagge = 1
                    print(enemy.x, enemy.y)
                    imageName = "./feiji/enemy2_down1.gif"
                    im = enemy.image
                    enemy.image = pygame.image.load(imageName).convert()
                    print("END")
            else:
                self.bulletList.remove(bullett)

    def moveRight(self):
        if self.x >= 0 and self.x <= 420:
            self.x += self.speed

    def moveLeft(self):
        if self.x <= 480 and self.x >= 20:
            self.x -= self.speed

    def sheBullet(self):
        bui = Bullet(self.screen, "player", self.x + 40, self.y - 4)
        self.bulletList.append(bui)


# 导弹类
class Bullet(Base):
    def __init__(self, screen, bulletName, x, y):
        self.bulletName = bulletName
        imageName1 = "./feiji/bullet-1.gif"
        self.baozhaflag = 0
        if bulletName == "player":
            imageName1 = "./feiji/bullet-3.gif"

        Base.__init__(self, x, y, imageName1)

    def move(self):
        if self.bulletName == "player":
            self.y -= 2
        else:
            self.y += 2

    def display(self):
        Base.display(self)


if __name__ == ‘__main__‘:
    score = 200
    escore = 100
    # 1.创建一个窗口
    screen = pygame.display.set_mode((480, 700), 0, 32)
    # 2.创建一个图片
    background = pygame.image.load("./feiji/background.png").convert()

    color_red = (255, 0, 0)
    color_green = (0, 255, 0)
    color_blue = (0, 0, 255)
    print(pygame.font.get_fonts())
    pygame.font.init()
    # font = pygame.font.SysFont(None, 48)

    # 使用系统字体
    fontObj3 = pygame.font.SysFont(‘arial‘, 20)

    # 加粗
    fontObj3.set_bold(True)

    # 斜体
    fontObj3.set_italic(True)

    # 文字具有蓝色背景
    textSurfaceObj3 = fontObj3.render("敌方血量：" + str(score), True, color_red, color_blue)
    textRectObj3 = textSurfaceObj3.get_rect()
    textRectObj3.center = (60, 510)

    # 文字具有蓝色背景
    textSurfaceObj2 = fontObj3.render("我方血量：" + str(escore), True, color_red, color_blue)
    textRectObj2 = textSurfaceObj2.get_rect()
    textRectObj2.center = (60, 10)

    # 创建玩家飞机
    # hero = pygame.image.load("./feiji/hero.gif").convert()
    global flagg
    flagg = 0
    flagge = 0
    global hero
    hero = playerPlane(screen)
    global enemy
    enemy = EnemyPlane(screen)
    # 3.图片到背景去
    imm = hero.image
    imme = enemy.image
    while True:
        screen.blit(background, (0, 0))
        textSurfaceObj3 = fontObj3.render("Me   :" + str(score), True, color_red, color_blue)
        textRectObj3 = textSurfaceObj3.get_rect()
        textRectObj3.center = (60, 510)

        # 文字具有蓝色背景
        textSurfaceObj2 = fontObj3.render("Enemy :" + str(escore), True, color_red, color_blue)
        textRectObj2 = textSurfaceObj2.get_rect()
        textRectObj2.center = (60, 10)

        screen.blit(textSurfaceObj3, textRectObj3)
        screen.blit(textSurfaceObj2, textRectObj2)
        # screen.blit(hero, (x, 600))
        # hero.display()
        # 获取事件，比如按键等
        for event in pygame.event.get():

            # 判断是否是点击了退出按钮
            if event.type == QUIT:
                print("exit")
                exit()
            # 判断是否是按下了键
            elif event.type == KEYDOWN:
                # 检测按键是否是a或者left
                if event.key == K_a or event.key == K_LEFT:
                    print(‘left‘)
                    hero.moveLeft()

                # 检测按键是否是d或者right
                elif event.key == K_d or event.key == K_RIGHT:
                    print(‘right‘)
                    hero.moveRight()

                # 检测按键是否是空格键
                elif event.key == K_SPACE:
                    print(‘space‘)
                    hero.sheBullet()

                    # 更新需要显示的内容

        hero.display()
        if flagg == 1:
            hero.image = imm
            flagg = 0

        # 让敌机自己移动以及发射子弹
        enemy.move()
        enemy.shoot()
        enemy.display()
        if flagge == 1:
            enemy.image = imme
            flsgge = 0
        pygame.display.update()
        time.sleep(0.01)