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alien_invasion文件:
import sys
import pygame
from settings import Settings
from ship import Ship
import game_functi** as gf
def run_game():
#初始化游戏并创建一个屏幕对象
pygame.init()
ai_settings = Settings()
screen = pygame.display.set_mode((ai_settings.screen_width,ai_settings.screen_height))
screen = pygame.display.set_mode((1200,600))
pygame.display.set_caption("Alien Invasion")
#创建一艘飞船
ship = Ship(ai_settings,screen)
#设置背景颜色
bg_color = (230,230,230)
#开始游戏的主循环
while True:
gf.check_events(ship)
ship.update()
gf.update_screen(ai_settings,screen,ship)
#监视键盘和鼠标事件
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
#每次循环时都重绘屏幕
screen.fill(ai_settings.bg_color)
ship.blitme()
#让最近绘制的屏幕可见
pygame.display.flip()
run_game()
game_function文件:
import sys
import pygame
def check_keydown_events(event,ship):
"""响应按键"""
if event.key == pygame.K_RIGHT:
ship.moving_right = True
elif event.key == pygame.K_LEFT:
ship.moving_left = True
def check_keyup_events(event,ship):
"""相应松开"""
if event.key == pygame.K_RIGHT:
ship.moving_right = False
elif event.key == pygame.K_LEFT:
ship.moving_left = False
def check_events(event,ship):
"""响应按键和鼠标事件"""
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
check_keydown_events(event.ship)
elif event.type == pygame.KEYUP:
check_keyup_events(event,ship)
def update_screen(ai_settings,screen,ship):
"""更新屏幕上的图像,并切换到新屏幕"""
#每次循环时都重绘屏幕
screen.fill(ai_settings.bg_color)
ship.blitme()
#让最近绘制的屏幕可见
pygame.display.flip()
settins文件:
class Settings():
"""存储《外星人入侵》的所有设置的类"""
def __init__(self):
"""初始化游戏的设置"""
self.screen_width = 1200
self.screen_height = 600
self.bg_color = (230,230,230)
#飞船的设置
self.ship_speed_factor = 1.5
ship文件:
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
#在飞船的属性center中储存小数值
self.center = float(self.rect.centerx)
#移动标志
self.moving_right = False
self.moving_left = False
def update(self):
"""根据移动标志调整飞船的位置"""
#更新飞船的center值,而不是rect
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
#根据self.center更新rect对象
self.rect.centerx = self.center
def blitme(self):
self.screen.blit(self.image,self.rect)
报错时说gf.check_events(ship)函数少了一个参数,求大佬指点下该怎么解决。
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我不清楚还有一个参数,应该怎么设置
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