main.py

import sys

import pygame

from asteroid import Asteroid
from asteroidfield import AsteroidField
from constants import SCREEN_HEIGHT, SCREEN_WIDTH
from logger import log_event, log_state
from player import Player
from shot import Shot


def main():
    print(f"Starting Asteroids with pygame version: {pygame.version.ver}")
    print(f"Screen width: {SCREEN_WIDTH}")
    print(f"Screen height: {SCREEN_HEIGHT}")

    pygame.init()
    screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
    clock = pygame.time.Clock()
    dt = 0

    # groups
    updatable = pygame.sprite.Group()
    drawable = pygame.sprite.Group()
    asteroids = pygame.sprite.Group()
    shots = pygame.sprite.Group()

    Player.containers = (updatable, drawable)
    Asteroid.containers = (asteroids, updatable, drawable)
    AsteroidField.containers = updatable
    Shot.containers = (shots, drawable, updatable)

    player = Player(SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2)
    AsteroidField()

    while True:
        log_state()
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                return

        screen.fill("black")
        for dunit in drawable:
            dunit.draw(screen)

        updatable.update(dt)

        for asteroid in asteroids:
            if asteroid.collides_with(player):
                log_event("player_hit")
                print("Game Over!")
                sys.exit()

            for shot in shots:
                if shot.collides_with(asteroid):
                    log_event("asteroid_shot")
                    asteroid.split()
                    shot.kill()

        pygame.display.flip()
        last_called_time = clock.tick(60)
        dt = last_called_time / 1000


if __name__ == "__main__":
    main()