python 外星人入侵 子弹不显示

Question

可以运行，但是按空格没有子弹显示，球指点，第一次发不知道是不是这样弄，感谢感谢

#alien_invasion.py
import sys
import pygame
from pygame.sprite import Group
from settings import Settings
from ship import Ship
import game_function as gf

def run_game():
    pygame.init()
    ai_settings = Settings()
    screen = pygame.display.set_mode((ai_settings.screen_width,ai_settings.screen_height))
    pygame.display.set_caption("Alien Invasion")
    ship = Ship(ai_settings,screen)
    bullets = Group()

    while True:
        gf.check_events(ai_settings,screen,ship,bullets)
        ship.update()
        bullets.update()
        gf.update_screen(ai_settings,screen,ship,bullets)

run_game()

#game_function.py
import sys
import pygame
from bullet import Bullet

def check_keydown_events(event,ai_settings,screen,ship,bullets):
    if event.key == pygame.K_RIGHT:
        ship.moving_right = True
    elif event.key == pygame.K_LEFT:
        ship.moving_left = True
    elif event.key == pygame.K_SPACE:
        new_bullet = Bullet(ai_settings,screen,ship)
        bullets.add(new_bullet)

def check_keyup_events(event,ship):
    if event.key == pygame.K_RIGHT:
        ship.moving_right = False
    elif event.key == pygame.K_LEFT:
        ship.moving_left = False

def check_events(ai_settings,screen,ship,bullets):
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            sys.exit()
        elif event.type == pygame.KEYDOWN:
            check_keydown_events(event,ai_settings,screen,ship,bullets)
        elif event.type == pygame.KEYUP:
            check_keyup_events(event,ship)
            ship.rect.centerx +=1

def update_screen(ai_settings,screen,ship,bullets):
    screen.fill(ai_settings.bg_color)
    for bullet in bullets.sprites():
        bullet.draw_bullet()
    ship.blitme()
    pygame.display.flip()

#settings.py
class Settings():
    def __init__(self):
        self.screen_width = 1200
        self.screen_height = 800
        self.bg_color = (230,230,230)
        self.ship_speed_factor = 1.5
        self.bullet_speed_factor = 1
        self.bullet_width = 3
        self.bullet_height = 15
        self.bullet_color = 60,60,60

#ship.py
import pygame
class Ship():
    def __init__(self,ai_settings,screen):
        self.screen = screen
        self.ai_settings = ai_settings
        self.image = pygame.image.load('images/ship.bmp')
        self.rect = self.image.get_rect()
        self.screen_rect = screen.get_rect()
        self.rect.centerx = self.screen_rect.centerx
        self.rect.bottom  = self.screen_rect.bottom
        self.center = float(self.rect.centerx)
        self.moving_right = False
        self.moving_left  = False

    def update(self):
        if self.moving_right and self.rect.right < self.screen_rect.right:
            self.center += self.ai_settings.ship_speed_factor
        if self.moving_left and self.rect.left >0:
            self.center -= self.ai_settings.ship_speed_factor
        self.rect.centerx = self.center

    def blitme(self):
        self.screen.blit(self.image,self.rect)

#bullet.py
import pygame
from pygame.sprite import Sprite

class Bullet(Sprite):
    def __init__(self,ai_settings,screen,ship):
        super(Bullet,self).__init__()
        self.screen = screen
        self.rect = pygame.Rect(0,0,ai_settings.bullet_width,ai_settings.bullet_heigh)
        self.rect.centerx = ship.rect.centerx
        self.rect.top = self.rect.top
        self.y = float(self.rect.y)
        self.color = ai_settings.bullet_color
        self.speed_factor = ai_settings.bullet_speed_factor

    def update(self):
        self.y -= self.speed_factor
        self.rect.y = self.y

    def draw_bullet(self):
        pygame.draw.rect(self.screen,self.color,self.rect)

Answer 1

请问您的settings.py在哪？