P89 问题2
import pygameimport sys
import math
from pygame.locals import *
from random import *
#球类继承自Sprirte类
class Ball(pygame.sprite.Sprite):
def __init__(self,glayball_image,greenball_image,position,speed,bg_size,target):
#初始化动作精灵
pygame.sprite.Sprite.__init__(self)
self.glayball_image = pygame.image.load(glayball_image).convert_alpha()
self.greenyball_image = pygame.image.load(greenball_image).convert_alpha()
self.rect = self.glayball_image.get_rect()
#将小球放在指定位置
self.rect.left,self.rect.top = position
self.speed = speed
self.target = target
self.control = False
self.width,self.height = bg_size,bg_size
self.radius = self.rect.width /2
def move(self):
self.rect = self.rect.move(self.speed)
#如果小球的左侧出了边界，那么将小球左侧改为右侧的边界
#这样便实现了左边进入，右边出来的效果
if self.rect.right < 0:
self.rect.left = self.width
elif self.rect.left > self.width:
self.rect.right = 0
elif self.rect.bottom <0:
self.rect.top = self.height
elif self.rect.top > self.height:
self.rect.bottom = 0
def check(self,motion):
if self.target < motion <self.target +5:
return True
else:
return False
class Glass(pygame.sprite.Sprite):
def __init__(self,glass_image,mouse_image,bg_size):
#初始化动作精灵
pygame.sprite.Sprite.__init__(self)
self.glass_image = pygame.image.load(glass_image).convert_alpha()
self.glass_rect = self.glass_image.get_rect()
self.glass_rect.left,self.glass_rect.top = \
(bg_size - self.glass_rect.width)//2,\
bg_size- self.glass_rect.height
self.mouse_image = pygame.image.load(mouse_image).convert_alpha()
self.mouse_rect = self.mouse_image.get_rect()
self.mouse_rect.left,self.mouse_rect.top=\
self.glass_rect.left,self.glass_rect.top
pygame.mouse.set_visible(False)
def main():
pygame.init()
glayball_image = 'ball.png'
greenball_image='greenball.png'
glass_image = 'boli.png'
mouse_image = 'sz.png'
bg_image = 'bg2.png'
running = True
#添加背景音乐
pygame.mixer.music.load('1.mp3')
pygame.mixer.music.play()
#添加音效
loser_sound = pygame.mixer.Sound('1.wav')
laugh_sound = pygame.mixer.Sound('2.wav')
winner_sound = pygame.mixer.Sound('3.wav')
hole_sound = pygame.mixer.Sound('4.wav')
#音乐播放完游戏结束
GAMEOVER = USEREVENT
pygame.mixer.music.set_endevent(GAMEOVER)
#根据背景图片指定游戏界面尺寸
bg_size = width,height = 1024,576
screen = pygame.display.set_mode(bg_size)
pygame.display.set_caption('Play the ball - FishC Demo')
background = pygame.image.load(bg_image).convert_alpha()
#用来存放小球对象的列表
balls=[]
group = pygame.sprite.Group()
#创建五个小球
for i in range(5):
#位置随机，速度随机
position = randint(0,width-100),randint(0,height-100)
speed =
ball = Ball(glayball_image,greenball_image,position,speed,bg_size,5*(i+1))
while pygame.sprite.spritecollide(ball,group,False,pygame.sprite.collide_circle):
ball.rect.left,ball.rect.top = randint(0,width-100),randint(0,height-100)
balls.append(ball)
group.add(ball)
glass = Glass(glass_image,mouse_image,bg_size)
motion = 0
MYTIMER = USEREVENT +1
pygame.time.set_timer(MYTIMER,1000)
clock = pygame.time.Clock()
while running:
for event in pygame.event.get():
if event.type == QUIT:
sys.exit()
elif event.type == GAMEOVER:
loser_sound.play()
pygame.time.delay(2000)
laugh_sound.play()
running = False
elif event.type == MYTIMER:
if motion:
for each in group:
if each.check(motion):
each.speed =
each.control = True
motion = 0
elif event.type == MOUSEMOTION:
motion += 1
screen.blit(background,(0,0))
screen.blit(glass.glass_image,glass.glass_rect)
glass.mouse_rect.left,glass.mouse_rect.top = pygame.mouse.get_pos()
if glass.mouse_rect.left < glass.glass_rect.left:
glass.mouse_rect.left = glass.glass_rect.left
if glass.mouse_rect.left > glass.glass_rect.right - glass.mouse_rect.width:
glass.mouse_rect.left = glass.glass_rect.right - glass.mouse_rect.width
if glass.mouse_rect.top < glass.glass_rect.top:
glass.mouse_rect.top = glass.glass_rect.top
if glass.mouse_rect.top > glass.glass_rect.bottom- glass.mouse_rect.height:
glass.mouse_rect.top = glass.glass_rect.bottom- glass.mouse_rect.height
screen.blit(glass.mouse_image,glass.mouse_rect)
for each in balls:
each.move()
if each.control:
screen.blit(each.greenball_image,each.rect)
else:
screen.blit(each.glayball_image,each.rect)
for each in group:
group.remove(each)
if pygame.sprite.spritecollide(each,group,False,pygame.sprite.collide_circle):
each.speed = -each.speed
each.speed = -each.speed
group.add(each)
pygame.display.flip()
clock.tick(30)
if __name__ == '__main__':
main()
Traceback (most recent call last):
File "C:/Users/john/Desktop/python练习/p89.py", line 183, in <module>
main()
File "C:/Users/john/Desktop/python练习/p89.py", line 165, in main
screen.blit(each.greenball_image,each.rect)
AttributeError: 'Ball' object has no attribute 'greenball_image' self.greenyball_image = pygame.image.load(greenball_image).convert_alpha()
这里你自己打成了greenyball，把y去掉就行啦
修改后代码：
import pygame
import sys
import math
from pygame.locals import *
from random import *
#球类继承自Sprirte类
class Ball(pygame.sprite.Sprite):
def __init__(self,glayball_image,greenball_image,position,speed,bg_size,target):
#初始化动作精灵
pygame.sprite.Sprite.__init__(self)
self.glayball_image = pygame.image.load(glayball_image).convert_alpha()
self.greenball_image = pygame.image.load(greenball_image).convert_alpha()
self.rect = self.glayball_image.get_rect()
#将小球放在指定位置
self.rect.left,self.rect.top = position
self.speed = speed
self.target = target
self.control = False
self.width,self.height = bg_size,bg_size
self.radius = self.rect.width /2
def move(self):
self.rect = self.rect.move(self.speed)
#如果小球的左侧出了边界，那么将小球左侧改为右侧的边界
#这样便实现了左边进入，右边出来的效果
if self.rect.right < 0:
self.rect.left = self.width
elif self.rect.left > self.width:
self.rect.right = 0
elif self.rect.bottom <0:
self.rect.top = self.height
elif self.rect.top > self.height:
self.rect.bottom = 0
def check(self,motion):
if self.target < motion <self.target +5:
return True
else:
return False
class Glass(pygame.sprite.Sprite):
def __init__(self,glass_image,mouse_image,bg_size):
#初始化动作精灵
pygame.sprite.Sprite.__init__(self)
self.glass_image = pygame.image.load(glass_image).convert_alpha()
self.glass_rect = self.glass_image.get_rect()
self.glass_rect.left,self.glass_rect.top = \
(bg_size - self.glass_rect.width)//2,\
bg_size- self.glass_rect.height
self.mouse_image = pygame.image.load(mouse_image).convert_alpha()
self.mouse_rect = self.mouse_image.get_rect()
self.mouse_rect.left,self.mouse_rect.top=\
self.glass_rect.left,self.glass_rect.top
pygame.mouse.set_visible(False)
def main():
pygame.init()
glayball_image = 'ball.png'
greenball_image='greenball.png'
glass_image = 'boli.png'
mouse_image = 'sz.png'
bg_image = 'bg2.png'
running = True
#添加背景音乐
pygame.mixer.music.load('1.mp3')
pygame.mixer.music.play()
#添加音效
loser_sound = pygame.mixer.Sound('1.wav')
laugh_sound = pygame.mixer.Sound('2.wav')
winner_sound = pygame.mixer.Sound('3.wav')
hole_sound = pygame.mixer.Sound('4.wav')
#音乐播放完游戏结束
GAMEOVER = USEREVENT
pygame.mixer.music.set_endevent(GAMEOVER)
#根据背景图片指定游戏界面尺寸
bg_size = width,height = 1024,576
screen = pygame.display.set_mode(bg_size)
pygame.display.set_caption('Play the ball - FishC Demo')
background = pygame.image.load(bg_image).convert_alpha()
#用来存放小球对象的列表
balls=[]
group = pygame.sprite.Group()
#创建五个小球
for i in range(5):
#位置随机，速度随机
position = randint(0,width-100),randint(0,height-100)
speed =
ball = Ball(glayball_image,greenball_image,position,speed,bg_size,5*(i+1))
while pygame.sprite.spritecollide(ball,group,False,pygame.sprite.collide_circle):
ball.rect.left,ball.rect.top = randint(0,width-100),randint(0,height-100)
balls.append(ball)
group.add(ball)
glass = Glass(glass_image,mouse_image,bg_size)
motion = 0
MYTIMER = USEREVENT +1
pygame.time.set_timer(MYTIMER,1000)
clock = pygame.time.Clock()
while running:
for event in pygame.event.get():
if event.type == QUIT:
sys.exit()
elif event.type == GAMEOVER:
loser_sound.play()
pygame.time.delay(2000)
laugh_sound.play()
running = False
elif event.type == MYTIMER:
if motion:
for each in group:
if each.check(motion):
each.speed =
each.control = True
motion = 0
elif event.type == MOUSEMOTION:
motion += 1
screen.blit(background,(0,0))
screen.blit(glass.glass_image,glass.glass_rect)
glass.mouse_rect.left,glass.mouse_rect.top = pygame.mouse.get_pos()
if glass.mouse_rect.left < glass.glass_rect.left:
glass.mouse_rect.left = glass.glass_rect.left
if glass.mouse_rect.left > glass.glass_rect.right - glass.mouse_rect.width:
glass.mouse_rect.left = glass.glass_rect.right - glass.mouse_rect.width
if glass.mouse_rect.top < glass.glass_rect.top:
glass.mouse_rect.top = glass.glass_rect.top
if glass.mouse_rect.top > glass.glass_rect.bottom- glass.mouse_rect.height:
glass.mouse_rect.top = glass.glass_rect.bottom- glass.mouse_rect.height
screen.blit(glass.mouse_image,glass.mouse_rect)
for each in balls:
each.move()
if each.control:
screen.blit(each.greenball_image,each.rect)
else:
screen.blit(each.glayball_image,each.rect)
for each in group:
group.remove(each)
if pygame.sprite.spritecollide(each,group,False,pygame.sprite.collide_circle):
each.speed = -each.speed
each.speed = -each.speed
group.add(each)
pygame.display.flip()
clock.tick(30)
if __name__ == '__main__':
main()
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