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alien.py
38 lines (27 loc) · 1.03 KB
/
alien.py
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import pygame
import os
from pygame.sprite import Sprite
class Alien(Sprite):
# Add new alien spaceship image to the assets folder
# The alien spaceship is not being loaded in the alien invasion file
IMAGE = pygame.image.load(os.path.join('Assets', 'UFO.png'))
RESIZED_IMAGE = pygame.transform.scale(IMAGE, (44, 30))
SPEED = 1
DROP_SPEED = 10
fleet_direction = 1
def __init__(self, ai_game):
super().__init__()
self.screen = ai_game.screen
self.image = self.RESIZED_IMAGE
self.rect = self.image.get_rect()
self.rect.x = self.rect.width
self.rect.y = self.rect.height
self.x = float(self.rect.x)
def update(self):
self.x += (self.SPEED * self.fleet_direction)
self.rect.x = self.x
def check_edges(self):
screen_rect = self.screen.get_rect()
if self.rect.right >= screen_rect.right and self.fleet_direction > 0 or self.rect.left <= 0 and self.fleet_direction < 0:
return True
return False