main.py

import cv2
import mediapipe as mp
import pyautogui

cap = cv2.VideoCapture(0)
opened = cap.isOpened()
if opened:
    print("OK!")
    hand_detector = 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_width, _ = frame.shape
        rgb_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
        output = hand_detector.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_width)
                    y = int(landmark.y*frame_height)
                    # print(x, y)
                    if id == 8:
                        cv2.circle(img=frame, center=(x, y), radius=10, color=(0, 255, 255))
                        index_x = screen_width/frame_width*x
                        index_y = screen_height/frame_width*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_width*x
                        thumb_y = screen_height/frame_width*y
                        if abs(index_y - thumb_y) <= 20:
                            pyautogui.click()
                            # pyautogui.sleep(0.5)
        cv2.imshow("Virtual Mouse", frame)
        cv2.waitKey(1)
else:
    raise ConnectionAbortedError("cv2: No Camera Found!")