VirtualMouse.py

import cv2
import mediapipe as mp
import pyautogui
import numpy as np

# --- SETUP ---
pyautogui.PAUSE = 0
pyautogui.FAILSAFE = False
screen_w, screen_h = pyautogui.size()

mp_hands = mp.solutions.hands
hands = mp_hands.Hands(max_num_hands=1, min_detection_confidence=0.7)
cap = cv2.VideoCapture(0)

# Smoothing variables to reduce jitter
prev_x, prev_y = 0, 0
smoothing = 0.2

while cap.isOpened():
    success, frame = cap.read()
    if not success: break
    
    frame = cv2.flip(frame, 1)
    h, w, _ = frame.shape
    results = hands.process(cv2.cvtColor(frame, cv2.COLOR_BGR2RGB))

    if results.multi_hand_landmarks:
        lms = results.multi_hand_landmarks[0].landmark
        
        # Track Index Finger Tip (Landmark 8)
        tx, ty = lms[8].x * screen_w, lms[8].y * screen_h
        
        # Apply smoothing
        curr_x = prev_x + (tx - prev_x) * smoothing
        curr_y = prev_y + (ty - prev_y) * smoothing
        
        pyautogui.moveTo(curr_x, curr_y)
        prev_x, prev_y = curr_x, curr_y

        # Draw a small pointer on screen for feedback
        cv2.circle(frame, (int(lms[8].x * w), int(lms[8].y * h)), 10, (0, 255, 0), -1)

    cv2.imshow("Standalone Virtual Mouse", frame)
    if cv2.waitKey(1) & 0xFF == ord('q'): break

cap.release()
cv2.destroyAllWindows()