一个python游戏源码

#finalPyPong.py

import pygame,sys

class MyBallClass(pygame.sprite.Sprite):
    def __init__(self,image_file,speed,location=[0,0]):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.image.load(image_file)
        self.rect = self.image.get_rect()
        self.rect.left,self.rect.top = location
        self.speed = speed

    def move(self):
        global points,score_text

        self.rect = self.rect.move(self.speed)

        if self.rect.left < 0 or self.rect.right > screen.get_width():
            self.speed[0] = -self.speed[0]

            if self.rect.top < screen.get_height():
                hit_wall.play()

        if self.rect.top <=0 :

            self.speed[1] = -self.speed[1]
            points = points + 1
            score_text = font.render(str(points),1,(0,0,0))
            get_point.play()

class MyPaddleClass(pygame.sprite.Sprite):
    def __init__(self,location=[0,0]):
        pygame.sprite.Sprite.__init__(self)
        image_surface = pygame.surface.Surface([100,20])
        image_surface.fill([0,0,0])
        self.image = image_surface.convert()
        self.rect = self.image.get_rect()
        self.rect.left,self.rect.top = location

pygame.init()
pygame.mixer.init()


pygame.mixer.music.load("bg_music.mp3")
pygame.mixer.music.set_volume(0.3)
pygame.mixer.music.play(-1)

hit = pygame.mixer.Sound("hit_paddle.wav")
hit.set_volume(0.4)

new_life = pygame.mixer.Sound("new_life.wav")
new_life.set_volume(0.5)

splat = pygame.mixer.Sound("splat.wav")
splat.set_volume(0.6)

hit_wall = pygame.mixer.Sound("hit_wall.wav")
hit_wall.set_volume(0.4)

get_point = pygame.mixer.Sound("get_point.wav")
get_point.set_volume(0.2)

bye = pygame.mixer.Sound("game_over.wav")
bye.set_volume(0.6)

screen = pygame.display.set_mode([640,480])
clock = pygame.time.Clock()

myBall = MyBallClass("wackyball.bmp",[12,6],[50,50])
ballGroup = pygame.sprite.Group(myBall)
paddle = MyPaddleClass([270,400])
lives = 3
points = 0

font = pygame.font.Font(None,50)
score_text = font.render(str(points),1,(0,0,0))
textpos = [10,10]
done = False


while 1:
    clock.tick(30)
    screen.fill([255,255,255])

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            sys.exit()
        elif event.type == pygame.MOUSEMOTION:
            paddle.rect.centerx = event.pos[0]

    if pygame.sprite.spritecollide(paddle,ballGroup,False):
        hit.play()

        myBall.speed[1] = -myBall.speed[1]

    myBall.move()

    if not done:
        screen.blit(myBall.image,myBall.rect)
        screen.blit(paddle.image,paddle.rect)
        screen.blit(score_text,textpos)

        for i in range(lives):
            width = screen.get_width()
            screen.blit(myBall.image,[width-40*i,20])
        pygame.display.flip()

    if myBall.rect.top >= screen.get_rect().bottom:
        if not done:
            splat.play()
        lives = lives - 1

        if lives <= 0:
            if not done:
                pygame.time.delay(1000)
                bye.play()

            final_text1 = "Game Over"
            final_text2 = "Your final socre is: " + str(points)

            ft1_font = pygame.font.Font(None,70)
            ft1_surf = font.render(final_text1,1,(0,0,0))

            ft2_font = pygame.font.Font(None,50)
            ft2_surf = font.render(final_text2,1,(0,0,0))

            screen.blit(ft1_surf,[screen.get_width()/2 - ft1_surf.get_width()/2,100])
            screen.blit(ft2_surf,[screen.get_width()/2 - ft2_surf.get_width()/2,200])

            pygame.display.flip()
            done = True

            pygame.mixer.music.fadeout(2000)
        else:
            pygame.time.delay(1000)
            new_life.play()

            myBall.rect.topleft = [50,50]
            screen.blit(myBall.image,myBall.rect)
            pygame.display.flip()

            pygame.time.delay(1000)