Restart video window when if statement is completed

Python
1

I’ve created a rock-paper-scissors game with openCv. Everything works kinda well but when a game has ended, I want to give the player(s) the choice if they want to continue or if they want to quit. When they quit, there is no problem because than the command cv.destroyAllWindows() comes into place and all windows are cleared. But when they want to continue playing. The screen should reset or the window should close and reopen a brand new one, but I can’t seem to make that work… Any ideas?

from datetime import datetime
from sqlite3 import Timestamp
from turtle import reset
import cv2 as cv
import mediapipe as mp
import random
import firebase_admin
from firebase_admin import firestore
from firebase_admin import credentials
from datetime import datetime
from threading import Event
import time


# Maak timestamps aan
now = datetime.now()
timestamp = datetime.timestamp(now)
datetime = datetime.fromtimestamp(timestamp, tz=None)
date_time = datetime.strftime("%m/%d/%Y, %H:%M:%S")



# Connectie met firebase
cred = credentials.Certificate('../serviceAccountKey.json')
firebase_admin.initialize_app(cred)
db = firestore.client()


# Laat de speler kiezen of ze tegen de computer of tegen een vriend/vriendin willen spelen
def mode():
    print("Kies je spelmodus")
    print("[1] Tegen de computer")
    print("[2] Tegen een vriend")
    
mode()
option = int(input("Geef de modus in:"))


if option == 1:
    username1 = input("Graag uw volledige naam:")
    username2 = "CPU"
    
    
elif option == 2:
    username1 = input("Graag uw volledige naam:")
    username2 = input("Graag uw volledige naam:")


window_name = "window"


# connectie met webcam
vid = cv.VideoCapture(0)

# klok
clock = 0
p1_move = p2_move = None
gameText = ""
success = True

# Win Counter
wcounter1 = 0
wcounter2 = 0

# Lose Counter
lcounter1 = 0
lcounter2 = 0

# Draw Counter
dcounter = 0

def game():
    global wcounter1, wcounter2, clock ,lcounter1, lcounter2, gameText, dcounter, window_name


    mp_drawing = mp.solutions.drawing_utils
    mp_drawing_styles = mp.solutions.drawing_styles
    mp_hands = mp.solutions.hands

    # bepaal of een handgebaar schaar, steen of papier is
    def getHandMove(hand_landmarks):
        landmarks = hand_landmarks.landmark
        if all([landmarks[i].y < landmarks[i+3].y for i in range(9,20,4)]):return "steen"
        elif landmarks[13].y < landmarks[16].y and landmarks[17].y < landmarks[20].y:return "schaar"
        else: return "papier"
# trackt de camera voor handen en plaats 'landmarks' op de handen voor tracking
    with mp_hands.Hands(model_complexity=0,
                        min_detection_confidence=0.5,   
                        min_tracking_confidence=0.5) as hands:
        while wcounter1 < 3 and wcounter2 < 3:
            list = ["schaar","steen","papier"]
            cpu = random.choice(list)
            ret, frame = vid.read()
            frame = cv.cvtColor(frame, cv.COLOR_BGR2RGB)
            
            results = hands.process(frame,)
            
            frame = cv.cvtColor(frame, cv.COLOR_RGB2BGR)
            if results.multi_hand_landmarks:
                for hand_landsmarks in results.multi_hand_landmarks:
                    mp_drawing.draw_landmarks(frame, 
                                            hand_landsmarks,
                                            mp_hands.HAND_CONNECTIONS,
                                            mp_drawing_styles.get_default_hand_landmarks_style(),
                                            mp_drawing_styles.get_default_hand_connections_style())         
                    
            # start van het spel        
            if 0 <= clock < 60:
                success = True
                gameText = "Ready?"
            elif clock < 80: gameText = "schaar"
            elif clock < 100: gameText = "steen"
            elif clock == 100: gameText = "papier"
            # vraagt de resultaten van de handgebaren
            elif clock == 105:
                if option == 1:
                    hls = results.multi_hand_landmarks
                    if hls and len(hls) == 1:
                        player = getHandMove(hls[0])
                    else: 
                        success = False
                    if success:
                        # Toont aan welke speler welk handgebaar gebruikte
                        gameText = f"{username1} koos voor {player}. {username2} koos voor {cpu}."
                        if player == cpu: gameText = f"{gameText} gelijkspel!"; dcounter +=1

                        # De voorwaarden waaraan {username1} moet voldoen om te winnen
                        elif player == "papier" and cpu == "steen": gameText = f"{gameText} {username1} wint!";wcounter1 +=1; lcounter2 +=1 
                        elif player == "steen" and cpu == "schaar": gameText = f"{gameText} {username1} wint!";wcounter1 +=1; lcounter2 +=1 
                        elif player == "schaar" and cpu == "papier": gameText = f"{gameText} {username1} wint!";wcounter1 +=1; lcounter2 +=1 
                        # Als aan geen enkele bovenstaande voorwaarde wordt voldaan, dan wint {username2}
                        else: gameText = f"{gameText} {username2} wint!"; wcounter2 +=1; lcounter1 +=1
                    else:
                        gameText = "Ongeldig"
                elif option == 2:
                    hls = results.multi_hand_landmarks
                    if hls and len(hls) == 2:
                        p1_move = getHandMove(hls[0])
                        p2_move = getHandMove(hls[1])
                    else:
                        success = False
                    if success:
                        # Toont aan welke speler welk handgebaar gebruikte
                        gameText = f"{username1} koos voor {p1_move}. {username2} koos voor {p2_move}."
                        if p1_move == p2_move: gameText = f"{gameText} gelijkspel!"; dcounter +=1

                        # De voorwaarden waaraan {username1} moet voldoen om te winnen
                        elif p1_move == "papier" and p2_move == "steen": gameText = f"{gameText} {username1} wint!";wcounter1 +=1; lcounter2 +=1 
                        elif p1_move == "steen" and p2_move == "schaar": gameText = f"{gameText} {username1} wint!";wcounter1 +=1; lcounter2 +=1 
                        elif p1_move == "schaar" and p2_move == "papier": gameText = f"{gameText} {username1} wint!";wcounter1 +=1; lcounter2 +=1 
                        # Als aan geen enkele bovenstaande voorwaarde wordt voldaan, dan wint {username2}
                        else: gameText = f"{gameText} {username2} wint!"; wcounter2 +=1; lcounter1 +=1
                    else:
                        gameText = "Ongeldig"
            
            # Plaatst de counter die het aantal gelijkspellen aangeeft     
            cv.rectangle(frame, (240, 420), (435, 450), (0,0,0), -1)
            cv.putText(frame, f"gelijkspel: {dcounter}", (265, 443), cv.FONT_HERSHEY_PLAIN, 1.5, (255,255,255), 2, cv.LINE_AA)   
            
            # Plaatst het aantal winsten en verloren spellen van speler 1 op het frame
            cv.rectangle(frame, (0, 420), (180, 490), (0,0,0), -1)
            cv.putText(frame, f"Winst: {wcounter1}", (25, 443), cv.FONT_HERSHEY_PLAIN, 1.5, (255,255,255), 2, cv.LINE_AA)
            cv.putText(frame, f"Verlies: {lcounter1}", (25, 473), cv.FONT_HERSHEY_PLAIN, 1.5, (255,255,255), 2, cv.LINE_AA)  
            
            # Plaatst het aantal winsten en verloren spellen van speler 2 op het frame
            cv.rectangle(frame, (500, 420), (680, 490), (0,0,0), -1)
            cv.putText(frame, f"Winst: {wcounter2}", (510, 443), cv.FONT_HERSHEY_PLAIN, 1.5, (255,255,255), 2, cv.LINE_AA)
            cv.putText(frame, f"Verlies: {lcounter2}", (510, 473), cv.FONT_HERSHEY_PLAIN, 1.5, (255,255,255), 2, cv.LINE_AA)  
                    
            # Plaatsen van de tekst op het frame
            cv.putText(frame, f"{clock}", (50,50), cv.FONT_HERSHEY_PLAIN, 2, (0,255,255), 2, cv.LINE_AA)
            cv.putText(frame, gameText, (50,80), cv.FONT_HERSHEY_PLAIN, 1, (0,255,255), 2, cv.LINE_AA)

            clock = (clock + 1) % 200
            
            if wcounter1 == 3:
                db.collection(u'spellen').add({'id': f'{datetime.timestamp()}', 'winnaar':f'{username1}', 'verliezer': f'{username2}'})
                cv.rectangle(frame, (0, 0), (320, 490), (0,100,0), -1)
                cv.rectangle(frame, (320, 0), (720, 680), (0,0,153), -1)
                cv.putText(frame, f"{username1} heeft gewonnen", (200, 230), cv.FONT_HERSHEY_PLAIN, 1.5, (255,255,255), 2, cv.LINE_AA)
            

            elif wcounter2 == 3:
                db.collection(u'spellen').add({'id': f'{datetime.timestamp()}', 'winnaar':f'{username2}', 'verliezer': f'{username1}'})   
                cv.rectangle(frame, (0, 0), (320, 490), (0,0,153), -1)
                cv.rectangle(frame, (320, 0), (720, 680), (0,100,0), -1)
                cv.putText(frame, f"{username2} heeft gewonnen", (200, 230), cv.FONT_HERSHEY_PLAIN, 1.5, (255,255,255), 2, cv.LINE_AA)
            
            # Rendert het frame        
            cv.imshow('frame', frame)
            #verbreek de loop door op de q toets te drukken
            if cv.waitKey(1) & 0xFF == ord('q'): break
        
game()     

vid.release()
time.sleep(3)

def next():
    print("Wens je nog eens te spelen of het spel te beëindigen? (y/n)")
    
next()
choice = str(input())

if choice == "y":
    game()
elif choice == "n":
    cv.destroyAllWindows()
2

if you want to make a GUI, use SDL or pygame or tkinter or python’s builtin turtle graphics.

your question appears to be about general programming, not about opencv. perhaps try

3

okay, I’ll try that one out