Many improvements: behaviors attached to TCastleTransform (a bit like MonoBehaviour),

[DP News-Robot]

We introduce a new class TCastleBehavior which can be attached to any TCastleTransform to perform some job. You can create descendants of it (or use ready descendants of it in CGE) and override methods like Update. It’s a nice way to express some ideas. We right now feature TCastleBillboard and TCastleSoundSource build on top of …