import os
import random
import time
import msvcrt

# Set up game parameters
width = 40
height = 20
ship_x = width // 2
projectiles = []
falling_objects = []
score = 0
game_over = False
falling_speed_counter = 0

# Keypress handling
def get_key():
    if msvcrt.kbhit():
        key = msvcrt.getch()
        if key == b'\xe0':  # Special keys (arrows)
            return msvcrt.getch()  # Return the next byte (arrow key)
        return key
    return None

# Drawing the game state
def draw():
    os.system('cls')
    screen = [[" " for _ in range(width)] for _ in range(height)]
    
    # Draw the ship
    screen[height - 1][ship_x] = 'i'
    
    # Draw projectiles
    for x, y in projectiles:
        if y >= 0:
            screen[y][x] = 'O'
    
    # Draw falling objects
    for x, y, char in falling_objects:
        if y >= 0:
            screen[y][x] = char
    
    # Print the screen
    for row in screen:
        print("".join(row))
    
    # Print the score
    print(f"Puntaje: {score}")

# Updating the game state
def update():
    global projectiles, falling_objects, score, game_over, falling_speed_counter
    
    # Move projectiles
    new_projectiles = []
    for x, y in projectiles:
        y -= 1
        if y >= 0:
            new_projectiles.append((x, y))
    projectiles = new_projectiles
    
    # Control falling speed
    falling_speed_counter += 1
    if falling_speed_counter % 10 == 0:  # Move falling objects every 10th loop iteration
        falling_speed_counter = 0
        
        # Move falling objects
        new_falling_objects = []
        for x, y, char in falling_objects:
            y += 1
            if y < height:
                new_falling_objects.append((x, y, char))
            else:
                game_over = True  # Game over if any object hits the ground
        falling_objects = new_falling_objects
    
    # Check for collisions
    new_projectiles = []
    new_falling_objects = []
    for x, y in projectiles:
        hit = False
        for i, (ox, oy, char) in enumerate(falling_objects):
            if ox == x and oy == y:
                hit = True
                score += 1
                break
        if not hit:
            new_projectiles.append((x, y))
        else:
            falling_objects.pop(i)
    projectiles = new_projectiles
    
    # Add a new falling object
    if random.random() < 0.1:
        falling_objects.append((random.randint(0, width - 1), 0, chr(random.randint(65, 90))))

# Game loop
while not game_over:
    draw()
    update()
    
    # Handle user input
    key = get_key()
    if key:
        if key == b'M':  # Right arrow
            ship_x = min(width - 1, ship_x + 1)
        elif key == b'K':  # Left arrow
            ship_x = max(0, ship_x - 1)
        elif key == b' ':  # Spacebar to shoot
            projectiles.append((ship_x, height - 2))
    
    time.sleep(0.1)

print("Fin de Juego!")
print(f"Puntaje Final: {score}")