Python-сообщество

# -*- coding: utf-8 -*-

import sys
import pygame

class Tetris(object):
    size = width, height = 210 , 300
    speed_default = [0, 1]
    speed_right = [20, 0]
    speed_left = [-20, 0]
    black = 0, 0, 0
    
    def movement(self, course):
        """Метод передвигает фигуру в указанном направлении.
        
        Направления передвижения:
        
        1 - влево
        2 - вправо
        3 - вниз с начальной скоростью
        4 - вниз моментально
        """
        
        if course == 1:
            speed = self.speed_left
            if self.imagerect.left > 0:
                self.imagerect = self.imagerect.move(self.speed_left)
        elif course == 2:
            if self.imagerect.right < self.width:
                self.imagerect = self.imagerect.move(self.speed_right)
        elif course == 3:
            if self.imagerect.bottom < self.height:
                self.imagerect = self.imagerect.move(self.speed_default)
        elif course == 4:
            self.speed_increased = [0, self.height - self.imagerect.bottom]
            self.imagerect = self.imagerect.move(self.speed_increased)
        
        self.screen.fill(self.black)
        self.screen.blit(self.image, self.imagerect)
        pygame.display.flip()
    
    def screen(self):
        self.screen = pygame.display.set_mode(self.size)
        pygame.display.set_caption('Какая-то игра')
        
        self.image = pygame.image.load('data/1.bmp')
        self.imagerect = self.image.get_rect()
        
        while True:
            for event in pygame.event.get():
                if event.type == pygame.QUIT:
                    sys.exit()
                keys = pygame.key.get_pressed()
                if keys[pygame.K_LEFT]:
                    self.movement(1)
                elif keys[pygame.K_RIGHT]:
                    self.movement(2)
                elif keys[pygame.K_DOWN]:
                    self.movement(4)
            
            clock = pygame.time.Clock()
            clock.tick(30)
            self.movement(3)

if __name__ == '__main__':
    pygame.init()
    
    tetris = Tetris()
    tetris.screen()