#Python#学习之旅（二十六）-完整的乒乓球游戏

#大约75行代码的一个小游戏。

#敲代码敲的有点头晕，里面的逻辑还需要重复去理解，才能想明白。

#加油，girl.

#岁月静好，不去羡慕旁人，只做好自己，花朵总会绽放。

import pygame,sys

class Ball(pygame.sprite.Sprite):

def __init__(self, image_file, speed, location):

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 score, score_surf, score_font

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<= 0:

self.speed[1]=-self.speed[1]

score = score 1

score_surf = score_font.render(str(score),1,(0,0,0))

class Paddle(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()

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

clock = pygame.time.Clock()

myBall = Ball("wackyball.bmp",[10,5],[50,50])

ballGroup = pygame.sprite.Group(myBall)

paddle = Paddle ([270,400])

lives = 3

score = 0

score_font = pygame.font.Font(None, 50)

score_surf = score_font.render(str(score),1,(0,0,0))

score_pos = [10,10]

done = False

running = True

while running:

clock.tick(30)

screen.fill([255,255,255])

for event in pygame.event.get():

if event.type == pygame.QUIT:

running = False

elif event.type ==pygame.MOUSEMOTION:

paddle.rect.centerx = event.pos[0]

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

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_surf, score_pos)

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:

lives = lives-1

if lives == 0:

final_text1 = "Game Over"

final_text2 = "Your final score is :" str(score)

ft1_font = pygame.font.Font(None, 70)

ft1_surf = ft1_font.render(final_text1,1,(0,0,0))

ft2_font = pygame.font.Font(None, 50)

ft2_surf = ft2_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

else:

pygame.time.delay(2000)

myBall.rect.topleft=[50,50]

pygame.quit()