HandTrackingModule.py

import cv2
import mediapipe as mp
import time

class HandDectector():
    def __init__(self,mode=False,MaxHands=2,detectionCon=0.5,trackCon=0.5):
        self.mode = mode
        self.MaxHands = MaxHands
        self.detectionCon = detectionCon
        self.trackCon = trackCon


        self.mpHands = mp.solutions.hands
        self.hands = self.mpHands.Hands(self.mode,self.MaxHands,self.detectionCon,self.trackCon)
        self.mpDraw = mp.solutions.drawing_utils

    def findHands(self,img,draw=True):

        imgRGB = cv2.cvtColor(img,cv2.COLOR_BGR2RGB)
        self.results = self.hands.process(imgRGB)

        # print(results.multi_hand_landmarks)

        if self.results.multi_hand_landmarks:
            for handLms in self.results.multi_hand_landmarks:
                if draw:
                    self.mpDraw.draw_landmarks(img,handLms,self.mpHands.HAND_CONNECTIONS)
        return img

    def findPosition(self,img,handNo=0,draw=True):

        lmList = []


        if self.results.multi_hand_landmarks:

            myHand = self.results.multi_hand_landmarks [handNo]

            for id, lm in enumerate(myHand.landmark):
                # print(id,lm)
                h, w, c = img.shape
                cx, cy = int(lm.x * w), int(lm.y * h)
                # print(id, cx, cy)
                lmList.append([id,cx,cy])
                # if id==18:
                if draw:
                    cv2.circle(img, (cx, cy), 7, (255, 0, 255), cv2.FILLED)

        return lmList


def main():
    pTime = 0
    cTime = 0

    # cap = cv2.VideoCapture(0,cv2.CAP_DSHOW)
    cap = cv2.VideoCapture(0)
    dectector = HandDectector()
    while True:
        success, img = cap.read()
        img = dectector.findHands(img)

        lmList = dectector.findPosition(img)
        if len(lmList) != 0:
            print(lmList)

        cTime = time.time()
        fps = 1 / (cTime - pTime)
        pTime = cTime

        cv2.putText(img, str(int(fps)), (10, 70), cv2.FONT_HERSHEY_PLAIN, 3, (255, 0, 0), 3)

        cv2.imshow("Image :", img)
        cv2.waitKey(1)

        # cv2.destroyAllWindows()

if __name__=='__main__':
    main()