nuclear@6: #ifndef DRAGON_H_
nuclear@6: #define DRAGON_H_
nuclear@6: 
nuclear@6: #include "vmath/vmath.h"
nuclear@7: #include "mesh.h"
nuclear@7: #include "metasurf.h"
nuclear@7: 
nuclear@7: struct Capsule {
nuclear@7: 	Vector3 p[2];
nuclear@7: 	float w[2];
nuclear@7: };
nuclear@7: 
nuclear@7: struct DynVertex {
nuclear@7: 	float x, y, z;
nuclear@7: 	float nx, ny, nz;
nuclear@7: };
nuclear@6: 
nuclear@6: class Dragon {
nuclear@6: private:
nuclear@6: 	Vector3 pos, dir;
nuclear@6: 	Vector3 head_pos, target;
nuclear@6: 	float head_xlim[2], head_ylim[2];
nuclear@6: 
nuclear@7: 	struct metasurface *msurf;
nuclear@7: 
nuclear@6: public:
nuclear@6: 	Dragon();
nuclear@6: 	~Dragon();
nuclear@6: 
nuclear@6: 	void set_position(const Vector3 &p);
nuclear@6: 	void set_direction(const Vector3 &dir);
nuclear@6: 	void set_target(const Vector3 &p);
nuclear@6: 
nuclear@6: 	void set_head_limits(float xmin, float xmax, float ymin, float ymax);
nuclear@6: 	void move_head(const Vector3 &p);
nuclear@6: 	void move_head(float dx, float dy);
nuclear@6: 	const Vector3 &head_position() const;
nuclear@6: 	Vector3 breath_dir() const;
nuclear@6: 
nuclear@6: 	void update();
nuclear@6: 	void draw() const;
nuclear@7: 
nuclear@7: 	// implementation details, must be public for the msurf callbacks
nuclear@7: 	Capsule *neck_seg;
nuclear@7: 	int neck_seg_count;
nuclear@7: 	DynVertex *dyn_varr;
nuclear@7: 	mutable int dyn_vidx;
nuclear@7: 	unsigned int dyn_vbo;
nuclear@7: 
nuclear@7: 	void flush_dynvbo() const;
nuclear@6: };
nuclear@6: 
nuclear@6: #endif	// DRAGON_H_