1/**************************************************************************/
2/* segment_shape_2d.cpp */
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/* */
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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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17/* the following conditions: */
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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 */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#include "segment_shape_2d.h"
32
33#include "core/math/geometry_2d.h"
34#include "servers/physics_server_2d.h"
35#include "servers/rendering_server.h"
36
37bool SegmentShape2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
38 Vector2 l[2] = { a, b };
39 Vector2 closest = Geometry2D::get_closest_point_to_segment(p_point, l);
40 return p_point.distance_to(closest) < p_tolerance;
41}
42
43void SegmentShape2D::_update_shape() {
44 Rect2 r;
45 r.position = a;
46 r.size = b;
47 PhysicsServer2D::get_singleton()->shape_set_data(get_rid(), r);
48 emit_changed();
49}
50
51void SegmentShape2D::set_a(const Vector2 &p_a) {
52 a = p_a;
53 _update_shape();
54}
55
56Vector2 SegmentShape2D::get_a() const {
57 return a;
58}
59
60void SegmentShape2D::set_b(const Vector2 &p_b) {
61 b = p_b;
62 _update_shape();
63}
64
65Vector2 SegmentShape2D::get_b() const {
66 return b;
67}
68
69void SegmentShape2D::draw(const RID &p_to_rid, const Color &p_color) {
70 RenderingServer::get_singleton()->canvas_item_add_line(p_to_rid, a, b, p_color, 3);
71}
72
73Rect2 SegmentShape2D::get_rect() const {
74 Rect2 rect;
75 rect.position = a;
76 rect.expand_to(b);
77 return rect;
78}
79
80real_t SegmentShape2D::get_enclosing_radius() const {
81 return (a + b).length();
82}
83
84void SegmentShape2D::_bind_methods() {
85 ClassDB::bind_method(D_METHOD("set_a", "a"), &SegmentShape2D::set_a);
86 ClassDB::bind_method(D_METHOD("get_a"), &SegmentShape2D::get_a);
87
88 ClassDB::bind_method(D_METHOD("set_b", "b"), &SegmentShape2D::set_b);
89 ClassDB::bind_method(D_METHOD("get_b"), &SegmentShape2D::get_b);
90
91 ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "a", PROPERTY_HINT_NONE, "suffix:px"), "set_a", "get_a");
92 ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "b", PROPERTY_HINT_NONE, "suffix:px"), "set_b", "get_b");
93}
94
95SegmentShape2D::SegmentShape2D() :
96 Shape2D(PhysicsServer2D::get_singleton()->segment_shape_create()) {
97 a = Vector2();
98 b = Vector2(0, 10);
99 _update_shape();
100}
101