Gesture_Game_Controller/HandTrackingModule.py at main · lakshya7878/Gesture_Game_Controller · GitHub

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import cv2
import mediapipe as mp
import time


class handDetector():
    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):
                h, w, c = img.shape
                cx, cy, = int(lm.x * w), int(lm.y * h)
                # print(id, cx, cy)
                lmList.append([id,cx,cy])


        return lmList

def main():
    pTime = 0
    cTime = 0
    cap = cv2.VideoCapture(0)
    detector = handDetector()

    while True:
        success, img = cap.read()
        img = detector.findHands(img)
        lmList = detector.findPosition( img, handNo=0, draw=True)

        if len(lmList) !=0:
            print(lmList[4])

        cTime = time.time()
        fps = 1 / (cTime - pTime)  # the denominator is basically time of processing the frame

        pTime = cTime

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

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


if __name__ == "__main__":
    main()