Can now grid things up

radio.py

@@ -1,9 +1,30 @@
 import cv2
+import math
+import itertools as it
+
+DENSITY = 5
+RED = [0, 0, 255]
+
+
+def draw_rectangles(frame):
+    height, width, d = frame.shape
+    n = DENSITY
+    m = math.ceil(n * (height / width))
+    dx = width / n
+    dy = height / m
+    for x, y in it.product(range(n), range(n)):
+        sp = (int(x * dx), int(y * dy))
+        ep = (int(x * dx + dx), int(y * dy + dy))
+        frame = cv2.rectangle(frame, sp, ep, (255, 0, 0))
+    return frame
+
 
 camera = cv2.VideoCapture(0)
 
 while True:
     ret, frame = camera.read()
+    frame = draw_rectangles(frame)
+    frame = cv2.rectangle(frame, (0, 0), (100, 100), (255, 0, 0), 2)
     cv2.imshow('Input', frame)
 
     c = cv2.waitKey(1)