1/**************************************************************************/
2/* marker_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/* */
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 */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#include "marker_2d.h"
32
33void Marker2D::_draw_cross() {
34 const real_t extents = get_gizmo_extents();
35
36 PackedVector2Array points = {
37 Point2(+extents, 0),
38 Point2(),
39 Point2(),
40 Point2(-extents, 0),
41 Point2(0, +extents),
42 Point2(),
43 Point2(),
44 Point2(0, -extents),
45 };
46
47 // Use the axis color which is brighter for the positive axis.
48 // Use a darkened axis color for the negative axis.
49 // This makes it possible to see in which direction the Marker3D node is rotated
50 // (which can be important depending on how it's used).
51 // Axis colors are taken from `axis_x_color` and `axis_y_color` (defined in `editor/editor_themes.cpp`).
52 const Color color_x = Color(0.96, 0.20, 0.32);
53 const Color color_y = Color(0.53, 0.84, 0.01);
54 PackedColorArray colors = {
55 color_x,
56 color_x.darkened(0.5),
57 color_y,
58 color_y.darkened(0.5),
59 };
60
61 draw_multiline_colors(points, colors);
62}
63
64#ifdef TOOLS_ENABLED
65Rect2 Marker2D::_edit_get_rect() const {
66 real_t extents = get_gizmo_extents();
67 return Rect2(Point2(-extents, -extents), Size2(extents * 2, extents * 2));
68}
69
70bool Marker2D::_edit_use_rect() const {
71 return false;
72}
73#endif
74
75void Marker2D::_notification(int p_what) {
76 switch (p_what) {
77 case NOTIFICATION_ENTER_TREE: {
78 queue_redraw();
79 } break;
80
81 case NOTIFICATION_DRAW: {
82 if (!is_inside_tree()) {
83 break;
84 }
85 if (Engine::get_singleton()->is_editor_hint()) {
86 _draw_cross();
87 }
88 } break;
89 }
90}
91
92void Marker2D::set_gizmo_extents(real_t p_extents) {
93 gizmo_extents = p_extents;
94 queue_redraw();
95}
96
97real_t Marker2D::get_gizmo_extents() const {
98 return gizmo_extents;
99}
100
101void Marker2D::_bind_methods() {
102 ClassDB::bind_method(D_METHOD("set_gizmo_extents", "extents"), &Marker2D::set_gizmo_extents);
103 ClassDB::bind_method(D_METHOD("get_gizmo_extents"), &Marker2D::get_gizmo_extents);
104
105 ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "gizmo_extents", PROPERTY_HINT_RANGE, "0,1000,0.1,or_greater,suffix:px"), "set_gizmo_extents", "get_gizmo_extents");
106}
107
108Marker2D::Marker2D() {
109 set_hide_clip_children(true);
110}
111