Hand Tracking

import cv2 as cv
import mediapipe as mp 
import time 


vid  = cv.VideoCapture(0)

mp_hands = mp.solutions.hands
hands = mp_hands.Hands() #only uses rgb images
mpDraw = mp.solutions.drawing_utils

pt = 0
ct = 0

while True:
    isTrue , frame = vid.read()

    imgRGB = cv.cvtColor(frame,cv.COLOR_BGR2RGB)# thr hands obj only uses rgb color so we conv. it
    res = hands.process(imgRGB)
    #print(res.multi_hand_landmarks)

    if res.multi_hand_landmarks:

        for handLms in res.multi_hand_landmarks: # for each hand ladmarks in res.multihand...
            for id , lm in enumerate(handLms.landmark):
                print(id,lm)
                h, w, c = frame.shape
                cx , cy = int(lm.x*w), int(lm.y*h) #position of center
                #print(id, cx, cy)
                if id == 0:
                    cv.circle(frame,(cx,cy),25,(255,0,255),cv.FILLED)

            mpDraw.draw_landmarks(frame,handLms, mp_hands.HAND_CONNECTIONS)
    
    ct = time.time()
    fps = 1/(ct-pt)
    pt = ct

    cv.putText(frame,str(int(fps)), (10,70), cv.FONT_HERSHEY_PLAIN ,3, (255,8,255), 3) # 2nd arg is position 3rd is font style 5th is for color and 6th for thickness

    cv.imshow("Image",frame)
    cv.waitKey(1)