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PyQt5 – Rock Paper and Scissor Game

  • Last Updated : 03 Jul, 2020
Geek Week

In this article we will see how we can create a rock paper and scissor game using PyQt5. Rock paper scissors is a hand game usually played between two people, in which each player simultaneously forms one of three shapes with an outstretched hand. These shapes are “rock”, “paper”, and “scissors”. Below is the representation of how the game will look like.

GUI implementation steps :
1. Create a head label that will show the title of the game, set its font and properties
2. Below the head label create a user label that will show the hand sign selected by user
3. Create a computer label that will show hand sign picked by the computer
4. In between the user and the computer label create a label to show text “vs”
5. Create a result label to show the result set font and other properties to it
6. Create three push buttons for rock, paper and scissor respectively
7. Create a reset button to reset the game

Back end implementation steps :
1. Create user choice and counter variable set its value to -1
2. Add actions to the rock, paper and scissor button
3. Inside the actions set the choice value according to the button pressed and set the counter value to 3 and make all the three button disable
4. Create timer object that calls the method after every one second
5. Inside the timer method check if the counter value is -1 then do nothing else set the counter value to the computer label and decrement the counter
6. And check if the counter value is equal to 0 then get a random value from 1 to 3, according to value set the hand symbol to the computer label
7. Call the who_win method to get the result
8. Inside the who_wins method first check if the match is draw else find the winner and set the winner to the result label
9. Add action to the reset button
10. Inside the reset button action, set counter value to -1, enable all the buttons and remove the image from the computer and user label

Below is the implementation

# importing libraries
from PyQt5.QtWidgets import * 
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import * 
from PyQt5.QtCore import * 
import random
import sys
class Window(QMainWindow):
    def __init__(self):
        # setting title
        self.setWindowTitle("Python ")
        # setting geometry
        self.setGeometry(100, 100, 320, 400)
        # calling method
        # showing all the widgets
    # method for components
    def UiComponents(self):
        # counter variable
        self.counter = -1
        # choice variable
        self.choice = 0
        # creating head label
        head = QLabel("Rock Paper Scissor", self)
        # setting geometry to the head
        head.setGeometry(20, 10, 280, 60)
        # font
        font = QFont('Times', 15)
        # setting font to the head
        # setting alignment of the head
        # setting color effect to the head
        color = QGraphicsColorizeEffect(self)
        # creating a vs label
        self.vs = QLabel("vs", self)
        # setting geometry
        self.vs.setGeometry(150, 110, 30, 50)
        # setting font
        # creating your choice label
        self.user = QLabel("You", self)
        # setting geometry
        self.user.setGeometry(50, 100, 70, 70)
        self.user.setStyleSheet("border : 2px solid black; background : white;")
        # setting alignment
        # creating computer choice  label = QLabel("Computer", self)
        # setting geometry, 100, 70, 70)"border : 2px solid black; background : white;")
        # setting alignment
        # result label
        self.result = QLabel(self)
        # setting geometry to the result
        self.result.setGeometry(25, 200, 270, 50)
        # setting font
        self.result.setFont(QFont('Times', 14))
        # setting alignment
        # setting border and color
        self.result.setStyleSheet("border : 2px solid black; background : white;")
        # creating three push button
        # for rock paper and scissor
        self.rock = QPushButton("Rock", self)
        self.rock.setGeometry(30, 270, 80, 35)
        self.paper = QPushButton("Paper", self)
        self.paper.setGeometry(120, 270, 80, 35)
        self.scissor = QPushButton("Scissor", self)
        self.scissor.setGeometry(210, 270, 80, 35)
        # adding actions to the buttons
        # creating push button to reset all the game
        game_reset = QPushButton("Reset", self)
        # setting geometry
        game_reset.setGeometry(100, 320, 120, 50)
        # setting color effect
        color = QGraphicsColorizeEffect(self)
        # adding action tot he reset button
        # creating a timer object
        timer = QTimer(self)
        # adding action to the timer
        # starting the timer
    def showTime(self):
        # if counter value is - 1
        if self.counter == -1:
        # if counter is not - 1
            # setting counter value to the label
            if self.counter == 0:
                self.comp_choice = random.randint(1, 3)
                # if computer choice is 1
                if self.comp_choice == 1:
                    # setting rock image to the computer label
          "border-image : url(rock.png);")
                elif self.comp_choice == 2:
                    # setting paper image to the computer label
          "border-image : url(Paper.png);")
                    # setting scissor image to the computer label
          "border-image : url(scissor.png);")
                # checking who won the match
            # decrementing the counter value
            self.counter -= 1
    def rock_action(self):
        # making choice as 1
        self.choice = 1
        # setting rock image to the user label
        self.user.setStyleSheet("border-image : url(rock.png);")
        # making counter value to 3
        self.counter = 3
        # disabling the push button
    def paper_action(self):
        # making choice as 2
        self.choice = 2
        # setting rock image to the user label
        self.user.setStyleSheet("border-image : url(Paper.png);")
        # making counter value to 3
        self.counter = 3
        # disabling the push button
    def scissor_action(self):
        # making choice as 3
        self.choice = 3
        # setting rock image to the user label
        self.user.setStyleSheet("border-image : url(scissor.png);")
        # making counter value to 3
        self.counter = 3
        # disabling the push button
    def reset_action(self):
        # making result label empty
        # resting the counter value
        self.counter = -1
        # enabling the push buttons
        # removing images fro the user and computer label
        self.user.setStyleSheet("border-image : null;")"border-image : null;")
    def who_won(self):
        # if match is draw
        if self.choice == self.comp_choice:
            # setting text to the result label
            self.result.setText("Draw Match")
            # condition for winning
            # user choose rock
            if self.choice == 1:
                # computer choose paper
                if self.comp_choice == 2:
                    # setting text to the result
                    self.result.setText("Computer Wins")
                    self.result.setText("User Wins")
            # user chooses paper
            elif self.choice == 2:
                # computer choose scissor
                if self.comp_choice == 3:
                    # setting text to the result
                    self.result.setText("Computer Wins")
                    self.result.setText("User Wins")
            # if user chooses scissor
            elif self.choice == 3:
                # computer choose rock
                if self.comp_choice == 1:
                    # setting text to the result
                    self.result.setText("Computer Wins")
                    self.result.setText("User Wins")
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :

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