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/*************************************************************************/
/* position_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "position_2d.h"
const real_t DEFAULT_GIZMO_EXTENTS = 10.0;
void Position2D::_draw_cross() {
const real_t extents = get_gizmo_extents();
// Add more points to create a "hard stop" in the color gradient.
PackedVector2Array points_x;
points_x.push_back(Point2(+extents, 0));
points_x.push_back(Point2());
points_x.push_back(Point2());
points_x.push_back(Point2(-extents, 0));
PackedVector2Array points_y;
points_y.push_back(Point2(0, +extents));
points_y.push_back(Point2());
points_y.push_back(Point2());
points_y.push_back(Point2(0, -extents));
// Use the axis color which is brighter for the positive axis.
// Use a darkened axis color for the negative axis.
// This makes it possible to see in which direction the Position3D node is rotated
// (which can be important depending on how it's used).
// Axis colors are taken from `axis_x_color` and `axis_y_color` (defined in `editor/editor_themes.cpp`).
PackedColorArray colors_x;
const Color color_x = Color(0.96, 0.20, 0.32);
colors_x.push_back(color_x);
colors_x.push_back(color_x);
colors_x.push_back(color_x.lerp(Color(0, 0, 0), 0.5));
colors_x.push_back(color_x.lerp(Color(0, 0, 0), 0.5));
draw_multiline_colors(points_x, colors_x);
PackedColorArray colors_y;
const Color color_y = Color(0.53, 0.84, 0.01);
colors_y.push_back(color_y);
colors_y.push_back(color_y);
colors_y.push_back(color_y.lerp(Color(0, 0, 0), 0.5));
colors_y.push_back(color_y.lerp(Color(0, 0, 0), 0.5));
draw_multiline_colors(points_y, colors_y);
}
#ifdef TOOLS_ENABLED
Rect2 Position2D::_edit_get_rect() const {
real_t extents = get_gizmo_extents();
return Rect2(Point2(-extents, -extents), Size2(extents * 2, extents * 2));
}
bool Position2D::_edit_use_rect() const {
return false;
}
#endif
void Position2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
update();
} break;
case NOTIFICATION_DRAW: {
if (!is_inside_tree()) {
break;
}
if (Engine::get_singleton()->is_editor_hint()) {
_draw_cross();
}
} break;
}
}
void Position2D::set_gizmo_extents(real_t p_extents) {
if (p_extents == DEFAULT_GIZMO_EXTENTS) {
set_meta("_gizmo_extents_", Variant());
} else {
set_meta("_gizmo_extents_", p_extents);
}
update();
}
real_t Position2D::get_gizmo_extents() const {
if (has_meta("_gizmo_extents_")) {
return get_meta("_gizmo_extents_");
} else {
return DEFAULT_GIZMO_EXTENTS;
}
}
void Position2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("_set_gizmo_extents", "extents"), &Position2D::set_gizmo_extents);
ClassDB::bind_method(D_METHOD("_get_gizmo_extents"), &Position2D::get_gizmo_extents);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "gizmo_extents", PROPERTY_HINT_RANGE, "0,1000,0.1,or_greater", PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_INTERNAL), "_set_gizmo_extents", "_get_gizmo_extents");
}
Position2D::Position2D() {
}
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