main.py

import cv2
import mediapipe as mp
import pyautogui

cap = cv2.VideoCapture(0)
hand_detactor = mp.solutions.hands.Hands()
drawing_utils = mp.solutions.drawing_utils
screen_width, screen_height = pyautogui.size()
index_y=0
while True:
    _, frame = cap.read()
    frame = cv2.flip(frame,1)
    frame_height, frame_wdth, _ = frame.shape
    rgb_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
    output = hand_detactor.process(rgb_frame)
    hands = output.multi_hand_landmarks
    if hands:
        for hand in hands:
            drawing_utils.draw_landmarks(frame,hand)
            landmarks = hand.landmark
            for id, landmark in enumerate(landmarks):
                 x=int(landmark.x*frame_wdth)
                 y=int(landmark.y*frame_height)
                 if id==8:
                     cv2.circle(img=frame,center=(x,y),radius=10,color=(0,255,255))
                     index_x=screen_width/frame_wdth*x
                     index_y=screen_height/frame_height*y
                     pyautogui.moveTo(index_x,index_y)
                 if id==4:
                     cv2.circle(img=frame,center=(x,y),radius=10,color=(0,255,255))
                     thumb_x=screen_width/frame_wdth*x
                     thumb_y=screen_height/frame_height*y
                     print(abs(thumb_x-index_x))
                     if abs(thumb_x-index_x)<20:
                         pyautogui.click()
                         pyautogui.sleep(1)

    cv2.imshow('virtualMouse', frame)
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break

cap.release()
cv2.destroyAllWindows()