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alien_invasion.py
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alien_invasion.py
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import os
import pygame
from pygame.sprite import Group
from settings import Settings
from ship import Ship
from game_stats import GameStats
import game_funtions as gf
from button import Button
from scoreboard import Scoreboard
from score import Score
def run_game():
# Center window that will be created
os.environ['SDL_VIDEO_CENTERED'] = '1'
# Initialize pygame, settings and screen object.
pygame.init()
app_settings = Settings()
screen = pygame.display.set_mode((app_settings.screen_width,
app_settings.screen_height))
pygame.display.set_caption('Alien Invasion')
# Make a ship, a group of bullets, and a group of aliens
ship = Ship(app_settings, screen)
bullets = Group()
aliens = Group()
# Create the fleet of aliens.
gf.create_fleet(app_settings, screen, ship, aliens)
# Create an instance to store game statistics and create a scoreboard
stats = GameStats(app_settings)
sb = Scoreboard(app_settings, screen, stats)
# Make buttons
play_button = Button(app_settings, screen, "Play")
scores_button = Button(app_settings, screen, "Scores")
exit_button = Button(app_settings, screen, "Exit")
sound_on_button = Button(app_settings, screen,
img_path=app_settings.sound_on_button)
sound_off_button = Button(app_settings, screen,
img_path=app_settings.sound_off_button)
# Make an object for managing scores
scores = Score(app_settings, stats)
# Start the main loop for the game.
while True:
gf.check_events(app_settings, screen, stats, scores, sb, play_button,
scores_button, exit_button, sound_on_button, ship,
aliens, bullets)
if not stats.pause:
if stats.game_active:
ship.update()
gf.update_bullets(app_settings, screen, stats, sb,
ship, aliens, bullets)
gf.update_aliens(app_settings, stats, sb,
screen, ship, aliens, bullets)
gf.update_screen(app_settings, screen, stats, scores, sb, ship,
aliens, bullets, play_button, scores_button,
exit_button, sound_on_button, sound_off_button)
run_game()