PlayBasic

2d ai angle array arrow-key ascii avoid background beginner binary box cell circle clear color command constant control controls countdown cursor data data-structure data-structures delay dim distance dot effect element enter faq file float follow font fps frame framerate function game game-loop game-physics game-screen game-window graphics gravity guide height how-to image information input integer key keyboard left load loop math menu mouse movement negative novice number output particle physics playbasic playbasic-wiki player player-control position positive primitive random range rectangle rnd screen shape sign size sound source-code speed sprite square stat string _stub text timer _to-do tutorial tutorials value variable wiki-list