08/06/26 00:41:08 uCUDTTyx
とりあえずやっつけでakaの部分書き換えてみた
実際に動くかどうかは未検証
screen = SDL::Screen.get
aka = SDL::Surface.new(screen.flags, screen.w, screen.h, screen.format)
aka.fill_rect(0, 0, aka.w, aka.h,[220,10,20])
aka.set_alpha(SDL::SRCALPHA, 50)
screen.put(aka, 0, 0)