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)