wasd.qe.arrow demoは2を絶対見てほしい。オブジェクト同士が触れ合っていてもフリーズしません。めちゃくちゃ頑張った。 You absolutely have to check out Demo 2. It doesn't freeze even when objects come into contact with each other. I put a huge amount of effort into it.
bspに制限をつけた代わりにより軽量に動くようにしたのがkd。 The KD system was made more lightweight by imposing restrictions on BSP.
