import cv2

from numpy import arange as range #renaming arange as range to increase readability and speed

from math import radians,cos,sin

def draw_circle(h,v,r):

return (x,y)

camera1 = cv2.VideoCapture(0)

l1 = draw_circle(100,100,100)[0]

l2 = draw_circle(100,100,100)[1]

p=360

subtrahend=180 #subrahend can't be a float as it is used in indexing. Maximum value: 180, Minimum value: 1

p+=subtrahend

while True:

frame = camera1.read()[1]

for x in range(len(l1)-p):

cv2.line(frame,(int(l1[x]),int(l2[x])),(int(l1[x+1]),int(l2[x+1])),(255,0,0),2)

cv2.imshow('view',frame)

p-=subtrahend #the speed at which the circle is created is dependant on the subtrahend, the lower the integer value, the faster it is made

if p == 0:

p=360

if cv2.waitKey(1) & 0xFF == ord('q'):

break

camera1.release()

cv2.destroyAllWindows()