A Python script to simulate Rocks, Papers and Scissors using pygame.

RPS-Warefare.py

from random import random

import pygame
from pygame import Vector2

WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)

screen_size = (500, 500)
pygame.init()

screen = pygame.display.set_mode(screen_size)
screen.fill(BLACK)
pygame.display.set_caption("RPS Warfare")
pygame.display.flip()

class Mover():
    COLOR = WHITE
    objects = list()

    def __init__(self, pos = None) -> None:
        if not pos:
            self.position = Mover.rand_pos(*screen_size)
        else:
            self.position = Vector2(pos)

    def show(self) -> None:
        pygame.draw.circle(screen, self.COLOR, self.position, 5)

    @staticmethod
    def rand_pos(screenWidth: int, screenHeight: int) -> Vector2:
        return Vector2(random() * screenWidth, random() * screenHeight)

    @classmethod
    def show_all(cls) -> None:
        for obj in cls.objects:
            obj.show()

    @classmethod
    def generate_objects(cls, n: int) -> None:
        for _ in range(n):
            cls()

    @classmethod
    def get_centroid(cls) -> Vector2:
        return Vector2(sum([obj.position for obj in cls.objects], start= Vector2()) / len(cls.objects))
    
    @classmethod
    def draw_centroid(cls) -> None:
        pygame.draw.circle(screen, cls.COLOR, cls.get_centroid(), 10)

class Rock(Mover):
    COLOR = RED
    objects = list()

    def __init__(self, pos = None) -> None:
        super().__init__(pos)
        Rock.objects.append(self)
    
    @classmethod
    def show_all(cls) -> None:
        super(Rock, cls).show_all()

    @classmethod
    def generate_objects(cls, n: int) -> None:
        super(Rock, cls).generate_objects(n)

    @classmethod
    def get_centroid(cls) -> Vector2:
        return super(Rock, cls).get_centroid()
    
    @classmethod
    def draw_centroid(cls) -> None:
        super(Rock, cls).draw_centroid()

class Paper(Mover):
    COLOR = GREEN
    objects = list()

    def __init__(self, pos = None) -> None:
        super().__init__(pos)
        Paper.objects.append(self)
    
    @classmethod
    def show_all(cls) -> None:
        super(Paper, cls).show_all()

    @classmethod
    def generate_objects(cls, n: int) -> None:
        super(Paper, cls).generate_objects(n)

    @classmethod
    def get_centroid(cls) -> Vector2:
        return super(Paper, cls).get_centroid()
    
    @classmethod
    def draw_centroid(cls) -> None:
        super(Paper, cls).draw_centroid()

class Scissor(Mover):
    COLOR = BLUE
    objects = list()

    def __init__(self, pos = None) -> None:
        super().__init__(pos)
        Scissor.objects.append(self)

    @classmethod
    def show_all(cls) -> None:
        super(Scissor, cls).show_all()

    @classmethod
    def generate_objects(cls, n: int) -> None:
        super(Scissor, cls).generate_objects(n)

    @classmethod
    def get_centroid(cls) -> Vector2:
        return super(Scissor, cls).get_centroid()
    
    @classmethod
    def draw_centroid(cls) -> None:
        super(Scissor, cls).draw_centroid()


Rock.generate_objects(5)
Paper.generate_objects(5)
Scissor.generate_objects(5)

running = True
while running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    screen.fill(BLACK)

    Rock.show_all()
    Paper.show_all()
    Scissor.show_all()

    Rock.draw_centroid()
    Paper.draw_centroid()
    Scissor.draw_centroid()

    pygame.display.flip()

    pygame.time.delay(10)

pygame.quit()