import pygame, sys

class Crosshair(pygame.sprite.Sprite):
    def __init__(self, picture_path ):
        super().__init__()
        self.image = pygame.image.load(picture_path)
        self.rect = self.image.get_rect()
        self.gunshot = pygame.mixer.Sound('gunshot.wav')
    def shoot(self):
        self.gunshot.play()
    def update(self):
        self.rect.center = pygame.mouse.get_pos()


class Target(pygame.sprite.Sprite):
    def __init__(self, picture_path, pos_x, pos_y):
        super().__init__()
        self.image = pygame.image.load(picture_path)
        self.rect = self.image.get_rect()
        self.rect.center = [pos_x,pos_y]

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

#screen
screen_width = 1000
screen_height = 700
screen = pygame.display.set_mode((screen_width, screen_height))
background = pygame.image.load('bg_blue.png')
pygame.mouse.set_visible(False)

#Crosshair
crosshair = Crosshair('crosshair_red_small.png')
crosshair_group = pygame.sprite.Group()
crosshair_group.add(crosshair)

#target

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

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