Untitled

import pygame

# Initialize Pygame
pygame.init()

# Constants
WIDTH, HEIGHT = 800, 600
TILE_SIZE = 40
GRID_WIDTH = WIDTH // TILE_SIZE
GRID_HEIGHT = HEIGHT // TILE_SIZE

# Colors
WHITE = (255, 255, 255)
GRAY = (200, 200, 200)
GREEN = (0, 255, 0)

# Create window
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Sandbox Game")

# Game variables
grid = [[None for _ in range(GRID_WIDTH)] for _ in range(GRID_HEIGHT)]

# Game loop
running = True
while running:
    screen.fill(WHITE)

    # Draw grid
    for y in range(GRID_HEIGHT):
        for x in range(GRID_WIDTH):
            rect = pygame.Rect(x * TILE_SIZE, y * TILE_SIZE, TILE_SIZE, TILE_SIZE)
            pygame.draw.rect(screen, GRAY, rect, 1)
            if grid[y][x]:
                pygame.draw.rect(screen, GREEN, rect)

    # Handle events
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
        elif event.type == pygame.MOUSEBUTTONDOWN:
            mx, my = pygame.mouse.get_pos()
            grid_x, grid_y = mx // TILE_SIZE, my // TILE_SIZE

            if event.button == 1:  # Left click to place block
                grid[grid_y][grid_x] = True
            elif event.button == 3:  # Right click to remove block
                grid[grid_y][grid_x] = None

    pygame.display.flip()

pygame.quit()