python

import cv2

import mediapipe as mp

import pyautogui

cam = cv2.VideoCapture(0)

face_mesh = mp.solutions.face_mesh.FaceMesh(refine_landmarks=True)

screen_w, screen_h = pyautogui.size()

while True:

  _, frame = cam.read()

  frame = cv2.flip(frame, 1)

  rgb_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)

  output = face_mesh.process(rgb_frame)

  landmark_points = output.multi_face_landmarks

  frame_h, frame_w, _ = frame.shape

  if landmark_points:

    landmarks = landmark_points[0].landmark

    for id, landmark in enumerate(landmarks[474:478]):

      x = int(landmark.x * frame_w)

      y = int(landmark.y * frame_h)

      cv2.circle(frame, (x, y), 3, (0, 255, 0))

      if id == 1:

        screen_x = screen_w * landmark.x

        screen_y = screen_h * landmark.y

        pyautogui.moveTo(screen_x, screen_y)

    left = [landmarks[145], landmarks[159]]

    for landmark in left:

      x = int(landmark.x * frame_w)

      y = int(landmark.y * frame_h)

      cv2.circle(frame, (x, y), 3, (0, 255, 255))

    if (left[0].y - left[1].y) < 0.004:

      pyautogui.click()

      pyautogui.sleep(1)

  cv2.imshow('Eye Controlled Mouse', frame)

  cv2.waitKey(1)