1/**************************************************************************/
2/* velocity_tracker_3d.h */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
18/* */
19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#ifndef VELOCITY_TRACKER_3D_H
32#define VELOCITY_TRACKER_3D_H
33
34#include "scene/3d/node_3d.h"
35
36class VelocityTracker3D : public RefCounted {
37 struct PositionHistory {
38 uint64_t frame = 0;
39 Vector3 position;
40 };
41
42 bool physics_step = false;
43 Vector<PositionHistory> position_history;
44 int position_history_len = 0;
45
46protected:
47 static void _bind_methods();
48
49public:
50 void reset(const Vector3 &p_new_pos);
51 void set_track_physics_step(bool p_track_physics_step);
52 bool is_tracking_physics_step() const;
53 void update_position(const Vector3 &p_position);
54 Vector3 get_tracked_linear_velocity() const;
55
56 VelocityTracker3D();
57};
58
59#endif // VELOCITY_TRACKER_3D_H
60