1/**************************************************************************/
2/* capsule_shape_3d.cpp */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
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8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
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12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
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29/**************************************************************************/
30
31#include "capsule_shape_3d.h"
32
33#include "servers/physics_server_3d.h"
34
35Vector<Vector3> CapsuleShape3D::get_debug_mesh_lines() const {
36 float c_radius = get_radius();
37 float c_height = get_height();
38
39 Vector<Vector3> points;
40
41 Vector3 d(0, c_height * 0.5 - c_radius, 0);
42 for (int i = 0; i < 360; i++) {
43 float ra = Math::deg_to_rad((float)i);
44 float rb = Math::deg_to_rad((float)i + 1);
45 Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * c_radius;
46 Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * c_radius;
47
48 points.push_back(Vector3(a.x, 0, a.y) + d);
49 points.push_back(Vector3(b.x, 0, b.y) + d);
50
51 points.push_back(Vector3(a.x, 0, a.y) - d);
52 points.push_back(Vector3(b.x, 0, b.y) - d);
53
54 if (i % 90 == 0) {
55 points.push_back(Vector3(a.x, 0, a.y) + d);
56 points.push_back(Vector3(a.x, 0, a.y) - d);
57 }
58
59 Vector3 dud = i < 180 ? d : -d;
60
61 points.push_back(Vector3(0, a.x, a.y) + dud);
62 points.push_back(Vector3(0, b.x, b.y) + dud);
63 points.push_back(Vector3(a.y, a.x, 0) + dud);
64 points.push_back(Vector3(b.y, b.x, 0) + dud);
65 }
66
67 return points;
68}
69
70real_t CapsuleShape3D::get_enclosing_radius() const {
71 return height * 0.5;
72}
73
74void CapsuleShape3D::_update_shape() {
75 Dictionary d;
76 d["radius"] = radius;
77 d["height"] = height;
78 PhysicsServer3D::get_singleton()->shape_set_data(get_shape(), d);
79 Shape3D::_update_shape();
80}
81
82void CapsuleShape3D::set_radius(float p_radius) {
83 ERR_FAIL_COND_MSG(p_radius < 0, "CapsuleShape3D radius cannot be negative.");
84 radius = p_radius;
85 if (radius > height * 0.5) {
86 height = radius * 2.0;
87 }
88 _update_shape();
89 emit_changed();
90}
91
92float CapsuleShape3D::get_radius() const {
93 return radius;
94}
95
96void CapsuleShape3D::set_height(float p_height) {
97 ERR_FAIL_COND_MSG(p_height < 0, "CapsuleShape3D height cannot be negative.");
98 height = p_height;
99 if (radius > height * 0.5) {
100 radius = height * 0.5;
101 }
102 _update_shape();
103 emit_changed();
104}
105
106float CapsuleShape3D::get_height() const {
107 return height;
108}
109
110void CapsuleShape3D::_bind_methods() {
111 ClassDB::bind_method(D_METHOD("set_radius", "radius"), &CapsuleShape3D::set_radius);
112 ClassDB::bind_method(D_METHOD("get_radius"), &CapsuleShape3D::get_radius);
113 ClassDB::bind_method(D_METHOD("set_height", "height"), &CapsuleShape3D::set_height);
114 ClassDB::bind_method(D_METHOD("get_height"), &CapsuleShape3D::get_height);
115
116 ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radius", PROPERTY_HINT_RANGE, "0.001,100,0.001,or_greater,suffix:m"), "set_radius", "get_radius");
117 ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "height", PROPERTY_HINT_RANGE, "0.001,100,0.001,or_greater,suffix:m"), "set_height", "get_height");
118 ADD_LINKED_PROPERTY("radius", "height");
119 ADD_LINKED_PROPERTY("height", "radius");
120}
121
122CapsuleShape3D::CapsuleShape3D() :
123 Shape3D(PhysicsServer3D::get_singleton()->shape_create(PhysicsServer3D::SHAPE_CAPSULE)) {
124 _update_shape();
125}
126