外星人入侵的遊戲圖片顯示問題

长颈鹿的露

01---alien_invasion.py


import sys
import pygame
from settings import Settings
from ship import Ship
import game_function as gf
from pygame.sprite import Group
from alien import Alien


def run_game():
    # 初始化遊戲並創建一個屏幕對象
    pygame.init()
    ai_settings = Settings()
    screen = pygame.display.set_mode((ai_settings.screen_width, ai_settings.screen_height))

    pygame.display.set_caption("Fruit Invasion")
    # 設置背景色
    bg_color = ai_settings.bg_color
    # 創建一艘飛船,一個用於存儲子彈的編組和創建一個外星人編組
    ship = Ship(ai_settings, screen)
    bullets = Group()
    aliens = Group()

    # 創建外星人組群
    gf.create_fleet(ai_settings, screen, ship, aliens)

    # 開始遊戲的主循環
    while True:
        gf.check_events(ai_settings, screen, ship, bullets)
        ship.update()
        bullets.update()
        aliens.update()

        # 刪除已經消失的子彈
        for bullet in bullets.copy():
            if bullet.rect.bottom <= 0:
                bullets.remove(bullet)
        # print (len(bullets))
        gf.update_screen(ai_settings, screen, ship, aliens, bullets)


run_game()


02--game_function
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time : 2019/09/06 09:35

import sys
import pygame
from bullet import Bullet
from alien import Alien


def check_keydown_events(event, ai_settings, screen, ship, bullets):
    """響應按鍵"""
    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:
        fire_bullet(ai_settings, screen, ship, bullets)
    elif event.key == pygame.K_q:
        sys.exit()


def fire_bullet(ai_settings, screen, ship, bullets):
    # 創建一顆子彈， 並將其加入到編組bullets中
    if len(bullets) < ai_settings.bullets_allowed:
        new_bullet = Bullet(ai_settings, screen, ship)
        bullets.add(new_bullet)


def check_keyup_events(event, ship):
    """響應鬆開"""
    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):
    """相應按鍵和鼠標事件"""
    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)


def update_screen(ai_settings, screen, ship, aliens, bullets):
    """更新屏幕上的圖像，並切換到新屏幕上"""
    # 每次循環時都繪製屏幕
    screen.fill(ai_settings.bg_color)
    # 在飛船和外星人後面重新繪製所有子彈
    for bullet in bullets.sprites():
        bullet.draw_bullet()
    ship.blitme()
    aliens.draw(screen)

    # 讓最近繪製的屏幕可見
    pygame.display.flip()


def get_number_aliens_x(ai_settings, alien_width):
    """計算每行可以容納幾個外星人"""
    available_space_x = ai_settings.screen_width - 2 * alien_width
    number_aliens_x = int(available_space_x / (2 * alien_width))
    return number_aliens_x


def create_alien(ai_settings, screen, aliens, alien_number, row_number):
    """創建一個外星人並將其加入當前行"""
    alien = Alien(ai_settings, screen)
    alien_width = alien.rect.width
    alien.x = alien_width + 2 * alien_width * alien_number
    alien.rect.x = alien.x
    alien.rect.y = alien.rect.height + 2 * alien.rect.height * row_number
    aliens.add(alien)


def create_fleet(ai_settings, screen, ship, aliens):
    """創建外星人群"""
    # 創建一個外星人，並計算一行可以容納多少個外星人
    # 外星人間距為外星人寬度
    alien = Alien(ai_settings, screen)
    number_aliens_x = get_number_aliens_x(ai_settings, alien.rect.width)
    number_rows = get_number_rows(ai_settings, ship.rect.height, alien.rect.height)
    # 創建外星人群
    for row_number in range(number_rows):
        for alien_number in range(number_aliens_x):
            create_alien(ai_settings, screen, aliens, alien_number, row_number)


def get_number_rows(ai_settings, ship_height, alien_height):
    """計算屏幕可以容納多少行外星人"""
    available_space_y = (ai_settings.screen_height - (3 * alien_height) - ship_height)
    number_rows = int(available_space_y / (2 * alien_height))
    return number_rows



運行沒有外星人。
發帖添加不了word粘貼 也不能添加圖片？？？

zltzlt

拜托用简体字

XiaoPaiShen

外星人可能不认识简体字