Paddle leaves trail when moving (Pygame Pong game) [duplicate]
问题 This question already has answers here : Pygame how to fix 'trailing pixels'? (4 answers) Closed 3 years ago . I have problem with the paddle in my game. Every time I'm trying to move it, paddle leave a "trail". I guess it's because my code don't delete previous paddle with old position. If yes, then how can I delete previous one? Should I use blit() ? Code: import pygame, sys, random from pygame.locals import * pygame.init() gamename = pygame.display.set_caption('Pong') clock = pygame.time