platform.py

import pygame

class Platform:

    def __init__(self, Arena_Game):
        self.screen = Arena_Game.screen
        self.screen_rect = self.screen.get_rect()

        self.settings = Arena_Game.game_settings
        self.image = self.settings.platform_image
        self.image_rect = self.image.get_rect()
        self.scaleWidth()
        self.image_rect.midbottom = self.screen_rect.midbottom

        #tambahan posisi khusus x
        self.x = self.image_rect.x

    def scaleWidth(self):
        height = self.image_rect.height
        width2x = self.image_rect.width * 2
        self.image = pygame.transform.scale(self.image, (width2x, height))

    def move(self):
        if self.image_rect.centerx <= self.screen_rect.left:
            self.x = 0
        self.x -= self.settings.platform_speed
        self.image_rect.x = self.x

    def show_platform(self):
        self.screen.blit(self.image, self.image_rect)