ship.py

import pygame

class Ship:
    """Class to manage the ship"""
    def __init__(self, ai_game):
        """Initialize the ship and starting position"""
        self.screen = ai_game.screen
        self.screen_rect = ai_game.screen.get_rect()
        self.settings = ai_game.settings

        # Load the ship and get is rect
        self.image = pygame.image.load('images/ship.bmp')
        self.rect = self.image.get_rect()

        # Start ship at bottom center of screen
        self.rect.midbottom = self.screen_rect.midbottom

        self.x = float(self.rect.x)

        self.moving_right = False
        self.moving_left = False

    def blitme(self):
        """Draw ship at its current location"""
        self.screen.blit(self.image, self.rect)

    def center_ship(self):
        self.rect.midbottom = self.screen_rect.midbottom
        self.x = float(self.rect.x)

    def update(self):
        """Update the position of the ship if moving"""
        # Note: Need to check if ship will leave screen IF move is applied
        # if self.rect.right + self.speed < self.screen_rect.right
        if self.moving_right and self.rect.right < self.screen_rect.right:
            self.x += self.settings.ship_speed
        if self.moving_left and self.rect.left > 0:
            self.x -= self.settings.ship_speed
        
        #Set ships rect pos from self.x
        self.rect.x = self.x