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import pygame
import os

pygame.font.init()
pygame.mixer.init()

WIDTH = 900
HEIGHT = 500
WINDOW = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Space fight")

WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
RED = (255, 0, 0)
YELLOW = (255, 255, 0)

BORDER = pygame.Rect(WIDTH // 2 - 5, 0, 10, HEIGHT)

BULLET_HIT_SOUND = pygame.mixer.Sound(os.path.join('explosion.wav'))
BULLET_FIRE_SOUND = pygame.mixer.Sound(os.path.join('laser.wav'))

HEALTH_FONT = pygame.font.SysFont('arial', 40)
WINNER_FONT = pygame.font.SysFont('arial', 100)

FPS = 60
VEL = 5
SPACESHIP_WIDTH = 80
SPACESHIP_HEIGHT = 60
BULLET_VEL = 7
MAX_BULLETS = 3

YELLOW_HIT = pygame.USEREVENT + 1
RED_HIT = pygame.USEREVENT + 2

YELLOW_SPACESHIP_IMAGE = pygame.image.load(os.path.join('spaceship_yellow.png'))
YELLOW_SPACESHIP = pygame.transform.rotate(pygame.transform.scale(
    YELLOW_SPACESHIP_IMAGE, (SPACESHIP_WIDTH, SPACESHIP_HEIGHT)), 90)

RED_SPACESHIP_IMAGE = pygame.image.load(os.path.join('spaceship_red.png'))
RED_SPACESHIP = pygame.transform.rotate(pygame.transform.scale(
    RED_SPACESHIP_IMAGE, (SPACESHIP_WIDTH, SPACESHIP_HEIGHT)), 270)

SPACE = pygame.transform.scale(pygame.image.load(os.path.join('space.png')), (WIDTH, HEIGHT))


def yellow_control(keys_pressed, yellow):
    if keys_pressed[pygame.K_a] and yellow.x - VEL > -15:
        yellow.x -= VEL
    if keys_pressed[pygame.K_d] and yellow.x + VEL + yellow.height - 35 < BORDER.x:
        yellow.x += VEL
    if keys_pressed[pygame.K_w] and yellow.y - VEL > -10:
        yellow.y -= VEL
    if keys_pressed[pygame.K_s] and yellow.y + VEL + yellow.width < HEIGHT:
        yellow.y += VEL


def red_control(keys_pressed, red):
    if keys_pressed[pygame.K_LEFT] and red.x - VEL + 15 > BORDER.x + BORDER.width:
        red.x -= VEL
    if keys_pressed[pygame.K_RIGHT] and red.x + VEL + red.height - 35 < WIDTH:
        red.x += VEL
    if keys_pressed[pygame.K_UP] and red.y - VEL > -10:
        red.y -= VEL
    if keys_pressed[pygame.K_DOWN] and red.y + VEL + red.width < HEIGHT:
        red.y += VEL


def drawWindow(red, yellow, red_bullets, yellow_bullets, red_health, yellow_health):
    WINDOW.blit(SPACE, (0, 0))
    # WINDOW.fill(WHITE)
    pygame.draw.rect(WINDOW, BLACK, BORDER)

    red_health_text = HEALTH_FONT.render(f"Health: {red_health}", True, WHITE)
    yellow_health_text = HEALTH_FONT.render(f"Health: {yellow_health}", True, WHITE)
    WINDOW.blit(red_health_text, (WIDTH - red_health_text.get_width() - 10, 10))
    WINDOW.blit(yellow_health_text, (10, 10))

    WINDOW.blit(YELLOW_SPACESHIP, (yellow.x, yellow.y))
    WINDOW.blit(RED_SPACESHIP, (red.x, red.y))

    for bullet in red_bullets:
        pygame.draw.rect(WINDOW, RED, bullet)
    for bullet in yellow_bullets:
        pygame.draw.rect(WINDOW, YELLOW, bullet)

    pygame.display.update()


def handle_bullets(yellow_bullets, red_bullets, yellow, red):
    for bullet in yellow_bullets:
        bullet.x += BULLET_VEL
        if red.colliderect(bullet):
            pygame.event.post(pygame.event.Event(RED_HIT))
            yellow_bullets.remove(bullet)
        elif bullet.x > WIDTH:
            yellow_bullets.remove(bullet)

    for bullet in red_bullets:
        bullet.x -= BULLET_VEL
        if yellow.colliderect(bullet):
            pygame.event.post(pygame.event.Event(YELLOW_HIT))
            red_bullets.remove(bullet)
        elif bullet.x < 0:
            red_bullets.remove(bullet)


def draw_winner(text):
    draw_text = WINNER_FONT.render(text, True, WHITE)
    WINDOW.blit(draw_text, (WIDTH / 2 - draw_text.get_width() / 2, HEIGHT / 2 - draw_text.get_height() / 2))
    pygame.display.update()
    pygame.time.delay(5000)


def main():
    red = pygame.Rect(700, 300, SPACESHIP_WIDTH, SPACESHIP_HEIGHT)
    yellow = pygame.Rect(100, 300, SPACESHIP_WIDTH, SPACESHIP_HEIGHT)

    red_bullets = []
    yellow_bullets = []

    red_health = 10
    yellow_health = 10

    clock = pygame.time.Clock()
    run = True
    while run:
        clock.tick(FPS)
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                run = False
                pygame.quit()
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LCTRL and len(yellow_bullets) < MAX_BULLETS:
                    bullet = pygame.Rect(yellow.x + yellow.height, yellow.y + yellow.width // 2, 10, 5)
                    yellow_bullets.append(bullet)
                    BULLET_FIRE_SOUND.play()
                if event.key == pygame.K_RCTRL and len(red_bullets) < MAX_BULLETS:
                    bullet = pygame.Rect(red.x, red.y + red.width // 2, 10, 5)
                    red_bullets.append(bullet)
                    BULLET_FIRE_SOUND.play()
            if event.type == RED_HIT:
                red_health -= 1
                BULLET_HIT_SOUND.play()
            if event.type == YELLOW_HIT:
                yellow_health -= 1
                BULLET_HIT_SOUND.play()
        winner_text = ""
        if red_health <= 0:
            winner_text = "Yellow Wins!"
        if yellow_health <= 0:
            winner_text = "Red Wins!"
        if winner_text != "":
            draw_winner(winner_text)
            break

        keys_pressed = pygame.key.get_pressed()
        red_control(keys_pressed, red)
        yellow_control(keys_pressed, yellow)

        handle_bullets(yellow_bullets, red_bullets, yellow, red)
        drawWindow(red, yellow, red_bullets, yellow_bullets, red_health, yellow_health)
    main()


if __name__ == "__main__":
    main()
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