# -*- coding: utf-8 -*-
import pygame
import random
#导入pygame库
from sys import exit #向sys模块借一个exit函数来退出程序
def checkHit(bullet,enimy):
    if((bullet.x>enimy.x and bullet.x<enimy.x+enimy.image.get_width())and (bullet.y>enimy.y and bullet.y<enimy.y+enimy.image.get_height())):
        enimy.restart()
        bullet.active=False
        return True
    return False
def checkCrash(plane,enimy):
    if ( (plane.x + 0.7*plane.image.get_width() > enimy.x) and (plane.x + 0.3*plane.image.get_width() < enimy.x + enimy.image.get_width()) and (plane.y + 0.7*plane.image.get_height() > enimy.y) and (plane.y + 0.3*plane.image.get_height() < enimy.y + enimy.image.get_height())):
        enimy.restart()
        plane.restart()
        return True
    return False
class Bullet():
    def __init__(self):
        self.x=0
        self.y=-1
        self.image=pygame.image.load('zidan.png').convert_alpha()
        self.active=False
    def move(self):
        if self.active:
            self.y-=0.3
        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 Bullet1(Bullet):
    def __init__(self):
        Bullet.__init__(self)
        self.image=pygame.image.load('zidan2.png').convert_alpha()
    def move(self):
        if self.active:
            self.x-=0.2
        if self.x<0 or self.x>333:
            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 Bullet2(Bullet):
    def __init__(self):
        Bullet.__init__(self)
        self.image=pygame.image.load('zidan2.png').convert_alpha()
    def move(self):
        if self.active:
            self.x+=0.2
        if self.x<0 or self.x>333:
            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 BulletR(Bullet):
    def __init__(self):
        Bullet.__init__(self)
    def move(self):
        Bullet.move(self)
    def restart(self):
        mouseX, mouseY = pygame.mouse.get_pos()
        self.x = (mouseX - self.image.get_width() / 2)+22
        self.y = mouseY - self.image.get_height() / 2
        self.active=True
class BulletL(Bullet):
    def __init__(self):
        Bullet.__init__(self)
    def move(self):
        Bullet.move(self)
    def restart(self):
        mouseX, mouseY = pygame.mouse.get_pos()
        self.x = (mouseX - self.image.get_width() / 2)-20
        self.y = mouseY - self.image.get_height() / 2
        self.active=True
class Enimy():
    def restart(self):
        self.x = random.randint(0, 400)
        self.y = random.randint(-200, -50)
        self.speed = random.random()/6 + 0.05

    def __init__(self):
        self.restart()
        self.image = pygame.image.load('enimy.png').convert_alpha()

    def move(self):
        if self.y < 500:
            self.y += self.speed
        else:
            self.restart()
class Plane():
    def restart(self):
        self.x=167
        self.y=500
    def __init__(self):
        self.restart()
        self.image=pygame.image.load('dafeiji.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
pygame.init()
score=0
f=file('highscore.txt')
hscore=int(f.read())
f.close()
#初始化pygame，做硬件准备
screen=pygame.display.set_mode((333,497),0,32)
#创建了一个窗口，窗口大小和背景图片一样
pygame.display.set_caption("Fghting!")
#设置窗口标题
background=pygame.image.load('back.jpg').convert()
plane=Plane()
bulletsR=[]
bulletsL=[]
bullets1=[]
bullets2=[]
enimys=[]
for i in range(5):
    bulletsR.append(BulletR())
    bulletsL.append(BulletL())
    bullets1.append(Bullet1())
    bullets2.append(Bullet2())
    enimys.append(Enimy())
count_b=len(bulletsR)
index_b=0
interval_b=0
gameover = False
font=pygame.font.Font(None,32)
while True:
    #游戏主循环
    for event in pygame.event.get():
        if event.type==pygame.QUIT:
            pygame.quit()
            exit()
        if gameover and event.type == pygame.MOUSEBUTTONUP:
            plane.restart()
            for e in enimys:
                e.restart()
            for bR in bulletsR:
                bR.active = False
            for bL in bulletsL:
                bL.active = False
            score = 0
            gameover = False
    screen.blit(background, (0, 0))
    if not gameover:
        interval_b-=1
        if interval_b<0:
            bulletsR[index_b].restart()
            bulletsL[index_b].restart()
            bullets1[index_b].restart()
            bullets2[index_b].restart()
            interval_b=800
            index_b=(index_b+1)%count_b
        for bR in bulletsR:
            if bR.active:
                for e in enimys:
                    if checkHit(bR,e):
                        score+=100
                bR.move()
                screen.blit(bR.image,(bR.x,bR.y))
        for bL in bulletsL:
            if bL.active:
                for e in enimys:
                    if checkHit(bL,e):
                        score+=100
                bL.move()
                screen.blit(bL.image,(bL.x,bL.y))
        for b1 in bullets1:
            if b1.active:
                for e in enimys:
                    if checkHit(b1,e):
                        score+=100
                b1.move()
                screen.blit(b1.image,(b1.x,b1.y))
        for b2 in bullets2:
            if b2.active:
                for e in enimys:
                    if checkHit(b2,e):
                        score+=100
                b2.move()
                screen.blit(b2.image,(b2.x,b2.y))
        for e in enimys:
            if checkCrash(plane,e):
                gameover=True
            e.move()
            screen.blit(e.image,(e.x,e.y))
        plane.move()
        screen.blit(plane.image, (plane.x,plane.y))
        test = font.render('Score: %d' % score, 1, (0, 0, 0))
        screen.blit(test, (0, 0))
        text=font.render('Highscore: %d'%hscore,1,(0,0,0))
        screen.blit(text,(155,0))
        if score>hscore:
            hscore=score
            highscore='%d'%hscore
            out=open('highscore.txt','w')
            out.write(highscore)
            out.close()
    else:
        test=font.render('Score: %d'%score,1,(0,0,0))
        screen.blit(test,(110,250))
        pass
    pygame.display.update()
    #刷新画面