import cv2
import numpy as np
import pygame

pygame.init()

wn = pygame.display.set_mode((600, 600))
vid = cv2.VideoCapture(0)

offset = 100

class Boxes:
    def __init__(self):
        self.rects = np.array([[np.array([i + offset, j + offset, 1, 1]) for j in range(200)] for i in range(200)])

    def draw(self, array):
        for row, a in zip(self.rects, array):
            for col, b in zip(row, a):
                pygame.draw.rect(wn, b, col)

boxes = Boxes()

while True:
    ret, frame = vid.read()
    boxes.draw(frame[offset:offset+200,offset:offset+200])
    pygame.display.update()
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break

vid.release()
cv2.destroyAllWindows()