1 /*************************************************************************/
2 /*  spatial_velocity_tracker.h                                           */
3 /*************************************************************************/
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30 
31 #ifndef SPATIAL_VELOCITY_TRACKER_H
32 #define SPATIAL_VELOCITY_TRACKER_H
33 
34 #include "scene/3d/spatial.h"
35 
36 class SpatialVelocityTracker : public Reference {
37 	GDCLASS(SpatialVelocityTracker, Reference);
38 
39 	struct PositionHistory {
40 		uint64_t frame;
41 		Vector3 position;
42 	};
43 
44 	bool physics_step;
45 	Vector<PositionHistory> position_history;
46 	int position_history_len;
47 
48 protected:
49 	static void _bind_methods();
50 
51 public:
52 	void reset(const Vector3 &p_new_pos);
53 	void set_track_physics_step(bool p_track_physics_step);
54 	bool is_tracking_physics_step() const;
55 	void update_position(const Vector3 &p_position);
56 	Vector3 get_tracked_linear_velocity() const;
57 
58 	SpatialVelocityTracker();
59 };
60 
61 #endif // SPATIAL_VELOCITY_TRACKER_H
62