python飞机大战运行时总会抛出：
Fatal Python error: (pygame parachute) Segmentation Fault
Python runtime state: initialized
在程序运行不到半分钟就报错，而且在此期间每一次游戏运行越来越慢
不知为何，求解
Alien.py
import pygame
import sys
import ship
import settings
from enemy import Enemy
from Bullet import Bullet
class Alien_invasion:
"""游戏主程序"""
def __init__(self):
"""初始化"""
pygame.init()
self.settings = settings.Settings()
# self.screen = pygame.display.set_mode((0, 0), pygame.FULLSCREEN)
# self.settings.screen_width = self.screen.get_rect().width
# self.settings.screen_height = self.screen.get_rect().height
self.screen = pygame.display.set_mode((self.settings.screen_width, self.settings.screen_height))
pygame.display.set_caption('Alien_invasion')
self.ship = ship.Ship(self)
self.bullets = pygame.sprite.Group()
self.enemies = pygame.sprite.Group()
def run_game(self):
"""运行游戏"""
while True:
self._check_event()
self._update_screen()
self.ship.update()
self._update_bullet()
self._create_enemy()
def _check_event(self):
"""检索事件"""
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
self._check_keydown_events(event)
elif event.type == pygame.KEYUP:
self._check_keyup_events(event)
def _check_keydown_events(self, event): # 传入参数event供访问event.key 属性
"""响应按键"""
if event.key == pygame.K_RIGHT:
self.ship.moving_right = True
if event.key == pygame.K_LEFT:
self.ship.moving_left = True
if event.key == pygame.K_q:
sys.exit()
if event.key == pygame.K_SPACE:
self._fire_bullet()
def _check_keyup_events(self, event): # 传入参数event供访问event.key 属性
"""响应按键"""
if event.key == pygame.K_RIGHT:
self.ship.moving_right = False
if event.key == pygame.K_LEFT:
self.ship.moving_left = False
def _fire_bullet(self):
new_bullet = Bullet(self)
self.bullets.add(new_bullet)
def _update_bullet(self):
self.bullets.update()
for bullet in self.bullets.copy():
if bullet.rect.bottom <= 0:
self.bullets.remove(bullet)
def _create_enemy(self):
enemy = Enemy(self)
enemy_width = enemy.rect.width
availzble_space_x = self.settings.screen_width - (2 * enemy_width)
number_enemy_x = availzble_space_x // (2 * enemy_width)
for enemy_number in range(number_enemy_x):
enemy = Enemy(self)
enemy.x = enemy_width + 2 * enemy_width * enemy_number
enemy.rect.x = enemy.x
self.enemies.add(enemy)
def _update_screen(self):
"""翻新屏幕"""
self.screen.fill(self.settings.bg_color)
self.ship.blitme()
for bullet in self.bullets.sprites():
bullet.draw_bullets()
self.enemies.draw(self.screen)
pygame.display.flip()
if __name__ == '__main__':
ai = Alien_invasion()
ai.run_game()
############ship.py#############
import pygame
class Ship:
def __init__(self, ai_game):
self.screen = ai_game.screen
self.screen_rect = ai_game.screen.get_rect()
self.image = pygame.image.load('images/Ship_right.bmp') # 加载飞船图片
self.rect = self.image.get_rect()
self.rect.midbottom = self.screen_rect.midbottom
self.settings = ai_game.settings
self.x = float(self.rect.x)
# 移动标志
self.moving_left = False
self.moving_right = False
self.moving_up = False
self.moving_down = False
def update(self):
"""根据移动标志移动飞船"""
if self.moving_right and self.rect.right < self.screen_rect.right:
self.x += self.settings.ship_speed
if self.moving_left and self.rect.left > 0:
self.x -= self.settings.ship_speed
self.rect.x = self.x
def blitme(self):
"""构建飞船图像"""
self.screen.blit(self.image, self.rect)
###############Bullet.py#################
import pygame
from pygame.sprite import Sprite
class Bullet(Sprite):
"""管理飞船所发射子弹的类"""
def __init__(self, ai_game):
"""在飞船当前位置传建一个子弹对象"""
super().__init__()
self.screen = ai_game.screen
self.settings = ai_game.settings
self.color = self.settings.bullet_color
# 在(0,0)处创建一个表示子弹的矩形，再设置正确的位置
self.rect = pygame.Rect(0, 0, self.settings.bullet_width,
self.settings.bullet_height)
self.rect.midtop = ai_game.ship.rect.midtop
# 储存用小数表示的子弹的位置
self.y = float(self.rect.y)
def update(self):
"""向上移动子弹"""
# 更新表示子弹位置的小数值
self.y -= self.settings.bullet_speed
# 更新表示子弹的rect位置
self.rect.y = self.y
def draw_bullets(self):
"""在屏幕上绘制子弹"""
pygame.draw.rect(self.screen, self.color, self.rect)
##########Enemy.py##########
import pygame
from pygame.sprite import Sprite
class Enemy(Sprite):
def __init__(self, game):
super().__init__()
self.screen = game.screen
self.screen_rect = game.screen.get_rect()
self.image = pygame.image.load('images/enemy_ship.bmp')
self.rect = self.image.get_rect()
self.rect.x = self.rect.width
self.rect.y = self.rect.height
self.x = float(self.rect.x)
###########settings.py##########
class Settings:
def __init__(self):
self.screen_width = 1200
self.screen_height = 800
self.bg_color = (230,230,230)
self.ship_speed = 3.3
self.bullet_speed = 3.5
self.bullet_width = 3
self.bullet_height = 15
self.bullet_color = (60,60,60)
