炸掉你的城堡！（pygame獾兔大战）

代码修改bug，添加注释等，獾的速度加快之后很难……

git地址：

https://github.com/Jailman/blowupyrcastle.git

游戏资源使用了文章中附带的下载，原版文章请看这里：

http://blog.jobbole.com/46308/

附一些基本的数学知识

如图比如以角A为例
sinA=对边：斜边=BC:AC
cosA=临边：斜边=AB:AC
tanA=对边：临边=BC:AB
cotA=临边：对边=AB:BC

#!/usr/bin/python#coding=utf8# 1 - Import libraryimport cStringIOimport pygameimport randomimport mathfrom pygame.locals import *from os import remove# 2 - Initialize the gamepygame.init()pygame.display.set_caption('捍卫荣誉')width, height = 640, 480screen=pygame.display.set_mode((width, height))keys = [False, False, False, False]playerpos=[130,240]acc=[0,0] #[0]是击中数，[1]是发射数arrows=[] #发射箭头列表，点击鼠标时向其中填充bullet列表badtimer=100badtimer1=0badguys=[[640, random.randint(40,400)]]healthvalue=194 #总血量pygame.mixer.init()# 3 - Load imagesstart = pygame.image.load("resources/images/start.png")grass = pygame.image.load("resources/images/bg2.png")castle = pygame.image.load("resources/images/hq1.png")player = pygame.image.load("resources/images/p1.1.png")player1 = pygame.image.load("resources/images/p1.1.png")player2 = pygame.image.load("resources/images/p1.2.png")arrow = pygame.image.load("resources/images/bullet6.png")badguyimg1 = pygame.image.load("resources/images/badguy1.1.png")badguyimg2 = pygame.image.load("resources/images/badguy1.2.png")badguyimg3 = pygame.image.load("resources/images/badguy1.3.png")badguyimg4 = pygame.image.load("resources/images/badguy1.4.png")badguyimgs = [badguyimg1, badguyimg2, badguyimg3, badguyimg4]# badguyimg = badguyimg1healthbar = pygame.image.load("resources/images/healthbar.png")health = pygame.image.load("resources/images/health.png")gameover = pygame.image.load("resources/images/gameover2.png")youwin = pygame.image.load("resources/images/youwin.png")# 3.1 - Load audiobegin = pygame.mixer.Sound("resources/audio/start.wav")hit = pygame.mixer.Sound("resources/audio/explode.wav")enemy = pygame.mixer.Sound("resources/audio/enemy.wav")shoot = pygame.mixer.Sound("resources/audio/shoot.wav")win = pygame.mixer.Sound("resources/audio/win.wav")lost = pygame.mixer.Sound("resources/audio/lost.wav")bgm = 'resources/audio/cowBGM.wav'hit_castle = pygame.mixer.Sound("resources/audio/explode2.wav")begin.set_volume(0.50)hit.set_volume(0.07)enemy.set_volume(0.20)shoot.set_volume(0.07)win.set_volume(0.25)hit_castle.set_volume(0.18)pygame.mixer.music.load(bgm)pygame.mixer.music.play(-1, 0.0)pygame.mixer.music.set_volume(0.25)#开局画面running = 1while running:    screen.fill(0)    screen.blit(start, (0,0))    #提示按键开始    font = pygame.font.Font(None, 30)    text1 = font.render("Press [SPACE] to start", True, (255,0,0))    screen.blit(text1, (230,450)) #调整显示文字位置    for event in pygame.event.get():        if event.type == pygame.KEYDOWN:            if event.key==K_SPACE:                begin.play()                running = 0        if event.type == pygame.QUIT:            pygame.quit()            exit(0)    pygame.display.flip()# 按下确定键后的透明渐变效果from PIL import Image    def addTransparency(img, factor):      img = img.convert('RGBA')    img_blender = Image.new('RGBA', img.size, (0,0,0,0))      img = Image.blend(img_blender, img, factor)      return img  img = Image.open("resources/images/start.png")tran = 1while tran > 0.8:    img = addTransparency(img, factor = tran)    imgBuf = cStringIO.StringIO(img.tobytes())    imgx = pygame.image.frombuffer(imgBuf.getvalue(), (640,480), "RGBA")    screen.blit(imgx, (0,0))    tran -= 0.001    for event in pygame.event.get():        if event.type == pygame.QUIT:            pygame.quit()            exit(0)    pygame.display.flip()# 4 - keep looping throughrunning = 1exitcode = 0n = 0while running:    badtimer-=1    # 5 - clear the screen before drawing it again    screen.fill(0)    # 6 - draw the screen elements    for x in range(width/grass.get_width()+1):        for y in range(height/grass.get_height()+1):            screen.blit(grass,(x*100,y*100))    # screen.blit(grass, (0,0))    screen.blit(castle,(0,30))    screen.blit(castle,(0,135))    screen.blit(castle,(0,240))    screen.blit(castle,(0,345 ))    # 6.1 - Set player position and rotation    position = pygame.mouse.get_pos()    angle = math.atan2(position[1]-(playerpos[1]+player.get_height()/2),position[0]-(playerpos[0]+player.get_width()/2))    # print angle    # playerrot = pygame.transform.rotate(player, 360-angle*57.29)    playerrot = pygame.transform.rotate(player, 360-180*angle/math.pi) #180*angle/math.pi为偏转角度    playerpos1 = (playerpos[0]-playerrot.get_rect().width/2, playerpos[1]-playerrot.get_rect().height/2)    screen.blit(playerrot, playerpos1)    # 6.2 - Draw arrows    for bullet in arrows: #arrow中的bullet列表是在按鼠标发射时追加的，bullet[0]是atan(y,x)        # print bullet        index=0        velx=math.cos(bullet[0])*10 #乘数调整子弹横向速度        # print math.cos(bullet[0])        vely=math.sin(bullet[0])*10 #乘数调整子弹竖向速度        # print math.sin(bullet[0])        bullet[1]+=velx        bullet[2]+=vely        if bullet[1]<-64 or bullet[1]>640 or bullet[2]<-64 or bullet[2]>480:            arrows.pop(index)        index+=1        for projectile in arrows:            arrow1 = pygame.transform.rotate(arrow, 360-projectile[0]*57.29)            screen.blit(arrow1, (projectile[1], projectile[2]))    # 6.3 - Draw badgers    if badtimer==0:        badguys.append([640, random.randint(50,430)])        badtimer=100-(badtimer1*2)        if badtimer1>=35:            badtimer1=35        else:            badtimer1+=5    index=0    for badguy in badguys:        if badguy[0]<-64:            badguys.pop(index)        badguy[0]-=1 #调整獾的移动速度        # 6.3.1 - Attack castle        badrect=pygame.Rect(badguyimg1.get_rect())        badrect.top=badguy[1]        badrect.left=badguy[0]        if badrect.left<64:            # hit.play()            hit_castle.play()            healthvalue -= random.randint(5,20) #敌人碰撞城堡掉血            badguys.pop(index)        #hit player        playerrect = pygame.Rect(player.get_rect())        playerrect.left = playerpos[0] - 32 #增减一些值使触碰画面看上去更贴合        playerrect.top = playerpos[1] - 10  #增减一些值使触碰画面看上去更贴合        # print playerrect        if  badrect.colliderect(playerrect):            hit.play()            healthvalue -= random.randint(3,12) #玩家碰撞敌人掉血            badguys.pop(index)        #6.3.2 - Check for collisions        index1=0        for bullet in arrows:            bullrect=pygame.Rect(arrow.get_rect())            bullrect.left=bullet[1]            bullrect.top=bullet[2]            if badrect.colliderect(bullrect):                enemy.play()                acc[0]+=1                badguys.pop(index)                arrows.pop(index1)            index1+=1        # 6.3.3 - Next bad guy        index+=1    for badguy in badguys:        # screen.blit(badguyimg, badguy)        n = n + 1        if n > (len(badguyimgs)) * 10-1:            n = 0        screen.blit(badguyimgs[int(n/10)], badguy)    # 6.4 - Draw clock    font = pygame.font.Font(None, 24)    #此处为漏洞，当点击窗口标题时，时间依然在流逝，但是游戏却暂停了，导致点击标题即可获胜    survivedtext = font.render(str((90000-pygame.time.get_ticks())/60000)+":"+str((90000-pygame.time.get_ticks())/1000%60).zfill(2), True, (0,0,0))     textRect = survivedtext.get_rect()    textRect.topright=[635,5]    screen.blit(survivedtext, textRect)    # 6.5 - Draw health bar    screen.blit(healthbar, (5,5))    for health1 in range(healthvalue):        screen.blit(health, (health1+8,8))    #在健康值上方显示文字    hfont = pygame.font.Font(None, 20)    htext = hfont.render("Health", True, (255,0,0))    screen.blit(htext, (50,8)) #调整显示文字位置，覆盖在健康值上方    # 7 - update the screen    pygame.display.flip()    # 8 - loop through the events    for event in pygame.event.get():        if event.type == pygame.KEYDOWN:            if event.key==K_w:                keys[0]=True            elif event.key==K_a:                keys[1]=True            elif event.key==K_s:                keys[2]=True            elif event.key==K_d:                keys[3]=True        if event.type == pygame.KEYUP:            if event.key==pygame.K_w:                keys[0]=False            elif event.key==pygame.K_a:                keys[1]=False            elif event.key==pygame.K_s:                keys[2]=False            elif event.key==pygame.K_d:                keys[3]=False        # check if the event is the X button         if event.type==pygame.QUIT:            # if it is quit the game            pygame.quit()             exit(0)        if event.type==pygame.MOUSEBUTTONDOWN:            shoot.play()            player = player2            position=pygame.mouse.get_pos()            acc[1]+=1            arrows.append([math.atan2(position[1]-(playerpos1[1]+32),position[0]-(playerpos1[0]+26)),playerpos1[0]+32,playerpos1[1]+32])        if event.type==pygame.MOUSEBUTTONUP:                player = player1    # 9 - Move player    if keys[0]:        if not playerpos[1] < 0:            playerpos[1]-=3    elif keys[2]:        if not playerpos[1] > height:            playerpos[1]+=3    if keys[1]:        if not playerpos[0] < 100:            playerpos[0]-=3    elif keys[3]:        if not playerpos[0] > width:            playerpos[0]+=3        #10 - Win/Lose check    if pygame.time.get_ticks()>=90000:        running=0        exitcode=1    if healthvalue<=0:        running=0        exitcode=0    if acc[1]!=0:        accuracy=acc[0]*1.0/acc[1]*100    else:        accuracy=0# 11 - Win/lose display        if exitcode==0:    pygame.font.init()    font = pygame.font.Font(None, 24)    text = font.render("Accuracy: "+str(accuracy)+"%", True, (255,0,0))    textRect = text.get_rect()    textRect.centerx = screen.get_rect().centerx    textRect.centery = screen.get_rect().centery+24    pygame.mixer.music.set_volume(0)    lost.play()    screen.blit(gameover, (0,0))    screen.blit(text, textRect)else:    pygame.font.init()    font = pygame.font.Font(None, 24)    text = font.render("Accuracy: "+str(accuracy)+"%", True, (0,255,0))    textRect = text.get_rect()    textRect.centerx = screen.get_rect().centerx    textRect.centery = screen.get_rect().centery+24    screen.blit(youwin, (0,0))    pygame.mixer.music.set_volume(0)    win.play()    screen.blit(text, textRect)ticksstart = pygame.time.get_ticks()# 作为延时开启背景音乐while 1:    for event in pygame.event.get():        if event.type == pygame.QUIT:            pygame.quit()            exit(0)    ticksend = pygame.time.get_ticks()    ticksdiff = ticksend - ticksstart #计算延时    if ticksdiff == 3500: #开启背景音乐        pygame.mixer.music.set_volume(0.25)    pygame.display.flip()