pygame学习笔记（6）：完成一个简单的游戏

# -*- coding: cp936 -*- ''' 一个超级简单的游戏 左右键控制小人移动去接空中下来的金币，接住金币得5分，接不住游戏结束，金币速度会随着level的关数 而越来越快 ''' import pygame,sys,os,random pygame.init() class rect():#画出小人 def __init__(self,filename,initial_position): self.image=pygame.image.load(filename) self.rect=self.image.get_rect() self.rect.topleft=initial_position class goldrect(pygame.sprite.Sprite):#绘出金币 def __init__(self,gold_position,speed): pygame.sprite.Sprite.__init__(self) self.image=pygame.image.load('image\\gold.png') self.rect=self.image.get_rect() self.rect.topleft=gold_position self.speed=speed def move(self): self.rect=self.rect.move(self.speed) def drawback(): #绘出背景图片 my_back=pygame.image.load('image\\qi3.jpg') bakscreen.blit(my_back,[0,0]) def loadtext(levelnum,score,highscore):#绘出成绩、level、最高分等 my_font=pygame.font.SysFont(None,24) levelstr='Level:'+str(levelnum) text_screen=my_font.render(levelstr, True, (255, 0, 0)) bakscreen.blit(text_screen, (650,50)) highscorestr='Higescore:'+str(highscore) text_screen=my_font.render(highscorestr, True, (255, 0, 0)) bakscreen.blit(text_screen, (650,80)) scorestr='Score:'+str(score) text_screen=my_font.render(scorestr, True, (255, 0, 0)) bakscreen.blit(text_screen, (650,110)) def loadgameover(scorenum,highscore):#绘出GAME OVER my_font=pygame.font.SysFont(None,50) levelstr='GAME OVER' over_screen=my_font.render(levelstr, True, (255, 0, 0)) bakscreen.blit(over_screen, (300,240)) highscorestr='YOUR SCORE IS '+str(scorenum) over_screen=my_font.render(highscorestr, True, (255, 0, 0)) bakscreen.blit(over_screen, (280,290)) if scorenum>int(highscore):#写入最高分 highscorestr='YOUR HAVE GOT THE HIGHEST SCORE!' text_screen=my_font.render(highscorestr, True, (255, 0, 0)) bakscreen.blit(text_screen, (100,340)) highfile=open('highscore','w') highfile.writelines(str(scorenum)) highfile.close() def gethighscore(): #读取最高分 if os.path.isfile('highscore'): highfile=open('highscore','r') highscore=highfile.readline() highfile.close() else: highscore=0 return highscore bakscreen=pygame.display.set_mode([800,600]) bakscreen.fill([0,160,233]) pygame.display.set_caption('Dig!Dig!') drawback() levelnum=1 #level scorenum=0 #得分 highscore=gethighscore()#最高分 ileft=1 #记录向左移动步数，用来控制图片 iright=10 #记录向右移动步数，用来控制图片 x=100 y=450 filename='image\\1.png' backimg_ren=rect(filename,[x,y]) bakscreen.blit(backimg_ren.image,backimg_ren.rect) loadtext(levelnum,scorenum,highscore) goldx=random.randint(50,580) speed=[0,levelnum] mygold=goldrect([goldx,100],speed) pygame.display.update() while True: if scorenum>0 and scorenum/50.0==int(scorenum/50.0):#当得分是50的倍数时修改level levelnum=scorenum/50+1 speed=[0,levelnum] for event in pygame.event.get(): if event.type==pygame.QUIT: sys.exit() #make gold pressed_keys = pygame.key.get_pressed() if pressed_keys[pygame.K_LEFT]:#按下左键 drawback() loadtext(levelnum,scorenum,highscore) if iright > 14 :iright=10 iright=iright+1 filename='image\\'+str(iright)+'.png' if x<50 : x=50 else: x=x-10 backimg_surface=rect(filename,[x,y]) bakscreen.blit(backimg_surface.image,backimg_surface.rect) if pressed_keys[pygame.K_RIGHT]:#按下右键 drawback() loadtext(levelnum,scorenum,highscore) if ileft > 4 :ileft=0 ileft=ileft+1 filename='image\\'+str(ileft)+'.png' if x>560: x=560 else: x=x+10 backimg_surface=rect(filename,[x,y]) bakscreen.blit(backimg_surface.image,backimg_surface.rect) drawback() loadtext(levelnum,scorenum,highscore) mygold.move() bakscreen.blit(mygold.image,mygold.rect) backimg_surface=rect(filename,[x,y]) bakscreen.blit(backimg_surface.image,backimg_surface.rect) if mygold.rect.top>600:#判断金币是否着地，一但着地，游戏结束 loadgameover(scorenum,highscore) if mygold.rect.colliderect(backimg_surface.rect):#判断金币是否与小人碰撞，如果碰撞表示小人接到金币 scorenum+=5 loadtext(levelnum,scorenum,highscore) goldx=random.randint(50,580) mygold=goldrect([goldx,100],speed) pygame.display.update()