与小卡特一起学python_与小卡特一起学python 第18章 一种新的输入-事件
#18章 事件
#18-1 反弹程序,假如动画精灵和clock.tick()
import pygame,sys
pygame.init()
screen = pygame.display.set_mode([640,480])
backgroup = pygame.Surface(screen.get_size())
backgroup .fill ([255,255,255])
clock = pygame.time.Clock()
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):
if self.rect.left <=screen.get_rect().left or \
self.rect.right >= screen.get_rect().right:
self.speed[0] = -self.speed[0]
newpos = self.rect.move(self.speed)
self.rect = newpos
my_ball = Ball('beach_ball.png',[10,0],[20,20])
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
clock.tick(30)
screen.blit(backgroup,(0,0))
my_ball.move()
screen.blit(my_ball.image,my_ball.rect)
pygame.display.flip()
pygame.quit()
#18章 事件
#18-2 响应向上向下箭头的反弹球
import pygame,sys
pygame.init()
screen = pygame.display.set_mode([640,480])
backgroup = pygame.Surface(screen.get_size())
backgroup .fill ([255,255,255])
clock = pygame.time.Clock()
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):
if self.rect.left <=screen.get_rect().left or \
self.rect.right >= screen.get_rect().right:
self.speed[0] = -self.speed[0]
newpos = self.rect.move(self.speed)
self.rect = newpos
my_ball = Ball('beach_ball.png',[10,0],[20,20])
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
my_ball.rect.top = my_ball.rect.top - 10
elif event.key == pygame.K_DOWN:
my_ball.rect.top = my_ball.rect.top +10
clock.tick(30)
screen.blit(backgroup,(0,0))
my_ball.move()
screen.blit(my_ball.image,my_ball.rect)
pygame.display.flip()
pygame.quit()
#18章 事件
#18-3 使用定时器事件让球上下箭头移动
import pygame,sys
pygame.init()
screen = pygame.display.set_mode([640,480])
backgroup = pygame.Surface(screen.get_size())
backgroup .fill ([255,255,255])
clock = pygame.time.Clock()
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):
if self.rect.left <=screen.get_rect().left or \
self.rect.right >= screen.get_rect().right:
self.speed[0] = -self.speed[0]
newpos = self.rect.move(self.speed)
self.rect = newpos
my_ball = Ball('beach_ball.png',[10,0],[20,20])
pygame.time.set_timer(pygame.USEREVENT,1000)
direction = 1
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
elif event.type == pygame.USEREVENT:
my_ball.rect.centery = my_ball.rect.centery + (30*direction)
if my_ball.rect.top <= 0 or my_ball.rect.bottom >= screen.get_rect().bottom:
direction = -direction
## if event.key == pygame.K_UP:
## my_ball.rect.top = my_ball.rect.top - 10
## elif event.key == pygame.K_DOWN:
## my_ball.rect.top = my_ball.rect.top +10
clock.tick(30)
screen.blit(backgroup,(0,0))
my_ball.move()
screen.blit(my_ball.image,my_ball.rect)
pygame.display.flip()
pygame.quit()
#18章 事件
#18-4pypong的第一个版本
import pygame,sys
from pygame.locals import *
#Ball 类定义
class MyballClass(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):#移动球,在顶边和左右两边反弹
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]
#球拍类定义
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
#初始化Pygame时钟球和球拍
pygame.init()
screen = pygame.display.set_mode([640,480])
clock = pygame.time.Clock()
ball_speed = [10,5]
myBall = MyballClass('wackyball.bmp',ball_speed,[50,50])
ballGroup = pygame.sprite.Group(myBall)
paddle = MyPaddleClass([270,400])
running = True
while running:
clock.tick(30)
screen.fill([255,255,255])
for event in pygame.event.get():
if event.type == QUIT:
running = False
elif event.type == pygame.MOUSEMOTION:#鼠标移动则移动球拍
paddle.rect.centerx = event.pos[0]
if pygame.sprite.spritecollide(paddle,ballGroup,False):
myBall.speed[1] = -myBall.speed[1]
myBall.move()#移动球
screen.blit(myBall.image,myBall.rect)
screen.blit(paddle.image,paddle.rect)
pygame.display.flip()
pygame.quit()
#18-5 最终的PyPong代码
import pygame,sys
#Ball 类定义
class MyballClass(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):#移动球,在顶边和左右两边反弹
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))
#球拍类定义
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
#初始化Pygame时钟球和球拍
pygame.init()
screen = pygame.display.set_mode([640,480])
clock = pygame.time.Clock()
ball_speed = [10,5]
myBall = MyballClass('wackyball.bmp',ball_speed,[50,50])
ballGroup = pygame.sprite.Group(myBall)
paddle = MyPaddleClass([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:#鼠标移动则移动球拍
paddle.rect.centerx = event.pos[0]
if pygame.sprite.spritecollide(paddle,ballGroup,False):
myBall.speed[1] = -myBall.speed[1]
myBall.move()#移动球
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(20000)
myBall.rect.topleft = [50,50]
pygame.quit()
来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/220205/viewspace-2079304/,如需转载,请注明出处,否则将追究法律责任。
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