control mouse pointer with middle and index fingers.py

import cv2
import mediapipe
import pyautogui
import time
start_time = None
capture_hands = mediapipe.solutions.hands.Hands()
drawing_option = mediapipe.solutions.drawing_utils
screen_width, screen_height = pyautogui.size()
camera = cv2.VideoCapture(0)
x1 = y1 = x2 = y2 = 0
while True:
    _,image = camera.read()
    image_height, image_width, _ = image.shape
    image = cv2.flip(image, 1)
    rgb_image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
    output_hands = capture_hands.process(rgb_image)
    all_hands = output_hands.multi_hand_landmarks
    if all_hands:
        for hand in all_hands:
            drawing_option.draw_landmarks(image, hand)
            one_hand_landmarks = hand.landmark
            for id, lm in enumerate(one_hand_landmarks):
                x = int(lm.x * image_width)
                y = int(lm.y * image_height)
                #print(x,y)
                if id==8:
                    mouse_x = int(2 * screen_width/image_width * x)
                    mouse_y = int(screen_height/image_height * y)
                    cv2.circle(image, (x,y),10,(0,255,255))
                    pyautogui.moveTo(mouse_x, mouse_y)
                    x1 = x
                    y1 = y
                if id==12:
                    x2 = x
                    y2 = y
                    cv2.circle(image, (x,y),10,(0,255,255))
    dist = x2 - x1
    print(dist)
    if (dist<15):
        pyautogui.click()
    cv2.imshow("HAND MOVEMENT VIDEO CAPTURE", image)
    key = cv2.waitKey(100)
    if key == 27:
        break
camera.release()
cv2.destroyAllWindows()