📅  最后修改于: 2022-03-11 14:47:20.979000             🧑  作者: Mango
if e.type == pygame.MOUSEBUTTONDOWN:
if e.button == 4: scroll_y = min(scroll_y + 15, 0)
if e.button == 5: scroll_y = max(scroll_y - 15, -300)