Miscellany

struct AABB{	Point mCorners[2];	AABB(const float width, const float height, const float depth);};class Node{public:	void addChild(Node &child);	void drawRecursive();	virtual void draw() = 0;	virtual const AABB& aabb() const = 0;	Matrix& matrix();protected:	virtual ~Node() {}	std::vector < Node* > mChildren;};class Fish: public Node{public:	void draw();	const AABB& aabb() const;	Vector& swimDirection();};class Animation{public:	void addFish(Fish &fish);	void step()	{		for (std::vector < Fish* > ::iterator it = mFishes.begin(); it != mFishes.end(); ++it) {			Fish *fish = (*it);			// .... hier regeln anwenden ....		}	}protected:	std::vector < Fish* > mFishes;};