import pygame
import math

pygame.init()

# Constants
SCREEN_WIDTH, SCREEN_HEIGHT = 1920, 1080
TILE_SIZE = 40
MAZE_WIDTH, MAZE_HEIGHT = 9999, 9999
MAZE = [
    "#################"
    "#               #",
    "#               #",
    "#               #",
    "#               #",
    "#################"
]

# Colors
WHITE = (255, 255, 255)
BLACK = (0, 0, 0)

# Player attributes
player_pos = [1.5, 1.5]  # Player starts in the middle of a tile
player_angle = 0.0  # Player starts looking to the right

# Create the screen
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
pygame.display.set_caption("Maze Game")

# Game loop
running = True
clock = pygame.time.Clock()
while running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_ESCAPE:
                running = False

    # Handle player input
    keys = pygame.key.get_pressed()
    if keys[pygame.K_LEFT]:
        player_angle -= 0.05
    if keys[pygame.K_RIGHT]:
        player_angle += 0.05
    if keys[pygame.K_w]:
        new_x = player_pos[0] + math.cos(player_angle) * 0.05
        new_y = player_pos[1] + math.sin(player_angle) * 0.05
        if MAZE[int(new_y)][int(new_x)] == ' ':
            player_pos[0] = new_x
            player_pos[1] = new_y
    if keys[pygame.K_s]:
        new_x = player_pos[0] - math.cos(player_angle) * 0.05
        new_y = player_pos[1] - math.sin(player_angle) * 0.05
        if MAZE[int(new_y)][int(new_x)] == ' ':
            player_pos[0] = new_x
            player_pos[1] = new_y

    # Clear the screen
    screen.fill(BLACK)

    # Draw the walls from the player's perspective
    for x in range(SCREEN_WIDTH):
        angle = player_angle - math.pi / 6 + (x / SCREEN_WIDTH) * (math.pi / 3)
        distance_to_wall = 0
        hit_wall = False
        while not hit_wall and distance_to_wall < 10:
            distance_to_wall += 0.25
            test_x = int(player_pos[0] + math.cos(angle) * distance_to_wall)
            test_y = int(player_pos[1] + math.sin(angle) * distance_to_wall)
            if test_x < 0 or test_x >= MAZE_WIDTH or test_y < 0 or test_y >= MAZE_HEIGHT or MAZE[test_y][test_x] == '#':
                hit_wall = True
        ceiling = SCREEN_HEIGHT // 2 - SCREEN_HEIGHT // distance_to_wall // 2
        floor = SCREEN_HEIGHT - ceiling
        pygame.draw.line(screen, WHITE, (x, ceiling), (x, floor))

    pygame.display.flip()
    clock.tick(30)

pygame.quit()