SCREEN_WIDTH = 1280 SCREEN_HEIGHT = 720 PLAYER_RADIUS = 20 PLAYER_ROTATION_SPEED = 300 PLAYER_SPEED = 200 ASTEROID_MIN_RADIUS = 20 ASTEROID_KINDS = 3 ASTEROID_SPAWN_RATE = 0.8 # seconds ASTEROID_MAX_RADIUS = ASTEROID_MIN_RADIUS * ASTEROID_KINDS