VirtualMouse.py

import cv2
import numpy as np
import HandTrackingModule as htm
import autopy
import pyautogui

import time

##############
wCam, hCam = 540, 480
frameR = 150  # Frame Reduction
smoothening = 7
##############

pTime = 0
plocX,plocY = 0,0
clocX,clocY = 0,0


cap = cv2.VideoCapture(0)
cap.set(3, wCam)
cap.set(4, hCam)
detector = htm.handDetector(maxHands=1)
wScr, hScr = autopy.screen.size()
# print(wScr,hScr)


while True:
    # Find hand landmarks
    success, img = cap.read()
    img = detector.findHands(img)
    lmList, bbox = detector.findPosition(img)

    # Get the tip of the index and middle finger
    if len(lmList) != 0:
        x1, y1 = lmList[8][1:]
        x2, y2 = lmList[12][1:]

        # check which fingers are up
        fingers = detector.fingersUp()
        # print(fingers)

        # only index finger - moving mode
        cv2.rectangle(img, (frameR, frameR), (wCam - frameR, hCam - frameR), (255, 0, 255), 2)
        if fingers[0] == 0 and fingers[1] == 1 and fingers[2] == 1 and fingers[3] == 1 and fingers[4] == 1:
            # convert coordinates
            x3 = np.interp(x1, (frameR, wCam - frameR), (0, wScr))
            y3 = np.interp(y1, (frameR, hCam - frameR), (0, hScr))

            # smoothen values
            clocX = plocX + (x3 - plocX) / smoothening
            clocY = plocY + (y3 - plocY) / smoothening

            # move mouse
            autopy.mouse.move(wScr - clocX, clocY)
            cv2.circle(img, (x1, y1), 15, (255, 0, 255), cv2.FILLED)
            plocX,plocY = clocX,clocY

        # When both index and middle fingers are up - clicking mode
        if fingers[0] == 1 and fingers[1] == 1 and fingers[2] == 1 and fingers[3] == 1 and fingers[4] == 1:
            autopy.mouse.click()
            time.sleep(0.2)
            # find distance between steps
            # length, img, lineInfo = detector.findDistance(8, 12, img)
            # print(length)
            # # click if distance is short
            # if length<40:
            #     cv2.circle(img, (lineInfo[4], lineInfo[5]), 15, (0, 255, 0), cv2.FILLED)
            #     autopy.mouse.click()
        if fingers[0] == 0 and fingers[1] == 1 and fingers[2] == 1 and fingers[3] == 1 and fingers[4] == 0:
            autopy.mouse.click(autopy.mouse.Button.RIGHT)
            time.sleep(0.2)

        if fingers[0] == 1 and fingers[1] == 1 and fingers[2] == 0 and fingers[3] == 0 and fingers[4] == 0:
            pyautogui.scroll(200)


        if fingers[0] == 1 and fingers[1] == 1 and fingers[2] == 1 and fingers[3] == 0 and fingers[4] == 0:
            pyautogui.scroll(-200)


    # frame rate
    cTime = time.time()
    fps = 1 / (cTime - pTime)
    pTime = cTime
    cv2.putText(img, str(int(fps)), (20, 50), cv2.FONT_HERSHEY_PLAIN, 3, (255, 0, 0), 3)

    # display
    cv2.imshow("Image", img)
    cv2.waitKey(1)