import pygame
import sys
import random

# Initialize Pygame
pygame.init()

# Constants
WIDTH, HEIGHT = 800, 600
CUBE_SIZE = 30
FPS = 60
SPEED = 15

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

# Create the screen
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Bouncing and Adding Cube Example")

# Clock to control the frame rate
clock = pygame.time.Clock()

# Class to represent a cube
class Cube:
    def __init__(self, x, y, direction=None):
        self.rect = pygame.Rect(x, y, CUBE_SIZE, CUBE_SIZE)
        if direction is None:
            direction = random.choice([(1, 0), (-1, 0), (0, 1), (0, -1)])
        self.direction = direction

    def move(self):
        self.rect.x += SPEED * self.direction[0]
        self.rect.y += SPEED * self.direction[1]

    def bounce(self):
        # Reverse the direction when bouncing off the wall
        self.direction = (-self.direction[0], -self.direction[1])

    def draw(self):
        pygame.draw.rect(screen, RED, self.rect)

# Create the initial cube
current_cube = Cube(WIDTH // 2 - CUBE_SIZE // 2, HEIGHT // 2 - CUBE_SIZE // 2)

cubes = [current_cube]

while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()

    # Move all the cubes
    for cube in cubes:
        cube.move()

        # Check if the cube hits the wall
        if cube.rect.left < 0 or cube.rect.right > WIDTH or \
           cube.rect.top < 0 or cube.rect.bottom > HEIGHT:
            # Bounce off the wall
            cube.bounce()

            # Create a new cube at a random position
            new_cube = Cube(random.randint(0, WIDTH - CUBE_SIZE),
                            random.randint(0, HEIGHT - CUBE_SIZE))
            cubes.append(new_cube)

    # Draw the cubes
    screen.fill(WHITE)
    for cube in cubes:
        cube.draw()

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