1/**************************************************************************/
2/* concave_polygon_shape_3d.h */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
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8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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29/**************************************************************************/
30
31#ifndef CONCAVE_POLYGON_SHAPE_3D_H
32#define CONCAVE_POLYGON_SHAPE_3D_H
33
34#include "scene/resources/shape_3d.h"
35
36class ConcavePolygonShape3D : public Shape3D {
37 GDCLASS(ConcavePolygonShape3D, Shape3D);
38
39 Vector<Vector3> faces;
40 bool backface_collision = false;
41
42 struct DrawEdge {
43 Vector3 a;
44 Vector3 b;
45 static uint32_t hash(const DrawEdge &p_edge) {
46 uint32_t h = hash_murmur3_one_32(HashMapHasherDefault::hash(p_edge.a));
47 return hash_murmur3_one_32(HashMapHasherDefault::hash(p_edge.b), h);
48 }
49 bool operator==(const DrawEdge &p_edge) const {
50 return (a == p_edge.a && b == p_edge.b);
51 }
52
53 DrawEdge(const Vector3 &p_a = Vector3(), const Vector3 &p_b = Vector3()) {
54 a = p_a;
55 b = p_b;
56 if (a < b) {
57 SWAP(a, b);
58 }
59 }
60 };
61
62protected:
63 static void _bind_methods();
64
65 virtual void _update_shape() override;
66
67public:
68 void set_faces(const Vector<Vector3> &p_faces);
69 Vector<Vector3> get_faces() const;
70
71 void set_backface_collision_enabled(bool p_enabled);
72 bool is_backface_collision_enabled() const;
73
74 virtual Vector<Vector3> get_debug_mesh_lines() const override;
75 virtual real_t get_enclosing_radius() const override;
76
77 ConcavePolygonShape3D();
78};
79
80#endif // CONCAVE_POLYGON_SHAPE_3D_H
81