import pygame , sys

class Crossair(pygame.sprite.Sprite):
    def __init__(self,width,height,pos_x,pos_y,color):
        super().__init__()
        self.image = pygame.Surface([width,height])
        self.image.fill(color)
        self.rect = self.image.get_rect(center =( pos_x,pos_y))

# general setup
pygame.init()
clock = pygame.time.Clock()

# game screen
screen_width = 1920
screen_height = 1080
screen = pygame.display.set_mode((screen_width,screen_height))
background = pygame.image.load("BG.png")

# crosshair
crosshair = Crossair(50,50,100,100,(255,255,255))
crosshair_group = pygame.sprite.Group()
crosshair_group.add(crosshair)


while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()


    crosshair_group.draw(screen)
    screen.blit(background,(0,0))
    pygame.display.flip()
    clock.tick(60)