import pygame
import os
import random

game_folder = os.path.dirname(__file__)
img_folder = os.path.join(game_folder, 'img')

WIDTH =360
HEIGHT = 480
FPS = 30

WHITE = (255,255,255)
BLACK = (0,0,0)
RED = (255,0,0)
GREEN = (0,255,0)
BLUE = (0,0,255)
VIOLET = (238, 130, 238)

class Player(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        #self.image = player_img
        self.image = pygame.Surface((40, 30))
        self.image.set_colorkey(VIOLET)
        self.rect = self.image.get_rect()
        self.rect.centerx = WIDTH/2
        self.rect.bottom = HEIGHT - 10
        self.speedx = 1
    def update(self):
        self.speedx = 0
        kb = pygame.key.get_pressed()
        if kb[pygame.K_a]:
            self.speedx -= 8
        if kb[pygame.K_d]:
            self.speedx += 8
        self.rect.x += self.speedx
        if self.rect.right > WIDTH:
            self.rect.right = WIDTH
        if self.rect.left < 0:
            self.rect.left = 0
        #self.rect.y += 2
        #if self.rect.top > WIDTH:
            #self.rect.left = 0
        self.rect.y += 0
    def shoot(self):
        bullet = puli(self.rect.centerx, self.rect.top)
        all_sprites.add(bullet)
        bullets.add(bullet)

class Mob(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.Surface((50, 50))
        self.image.fill(BLUE)
        self.rect = self.image.get_rect()
        self.rect.x = random.randrange(WIDTH)
        self.rect.y = random.randrange(-100,-40)
        self.speedy = random.randrange(1,10)

    def update(self):
        self.rect.y += self.speedy
        if self.rect.top > HEIGHT + 10:
            self.rect.x = random.randrange(WIDTH)
            self.rect.y = random.randrange(-100,-40)
            self.speedy = random.randrange(1,10)

class puli(pygame.sprite.Sprite):
    def __init__(self, x, y):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.Surface((5, 10))
        self.image.fill(BLACK)
        self.rect = self.image.get_rect()
        self.rect.bottom = y
        self.rect.centerx = x
        self.speedy = -10

    def update(self):
        self.rect.y += self.speedy
        if self.rect.bottom < 0:
            self.kill()

pygame.init()
pygame.mixer.init()
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Game")
#player_img = pygame.image.load(os.path.join(img_folder, 'красный чел.png')).convert()
#player_img = pygame.transform.scale(player_img, (300, 300))
clock = pygame.time.Clock()
all_sprites = pygame.sprite.Group()
mobs = pygame.sprite.Group()
bullets = pygame.sprite.Group()
player = Player()
all_sprites.add(player)

for i in range(10):
    m = Mob()
    all_sprites.add(m)
    mobs.add(m)




running = True
while running:
    clock.tick(FPS)
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_SPACE:
                player.shoot()

    all_sprites.update()
    hits = pygame.sprite.groupcollide(mobs, bullets, True, True)
    for hit in hits:
        m = Mob()
        all_sprites.add(m)
        mobs.add(m)

    hits = pygame.sprite.spritecollide(player, mobs, False)
    if hits:
        running = False

    screen.fill(GREEN)
    all_sprites.draw(screen)
    #pygame.draw.circle(screen,(0,0,0), (180,240), (100))
    pygame.display.flip()

pygame.quit()