godot/scene/resources/rectangle_shape_2d.cpp
Hugo Locurcio 23a1f616fd
Draw an outline for 2D debug collision shapes
This makes them easier to distinguish, especially when used
in a TileMap.

The default color's opacity has been slightly decreased to account
for the new outline.
2021-02-20 00:00:03 +01:00

89 lines
3.9 KiB
C++

/*************************************************************************/
/* rectangle_shape_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/* 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 */
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/* "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. */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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#include "rectangle_shape_2d.h"
#include "servers/physics_server_2d.h"
#include "servers/rendering_server.h"
void RectangleShape2D::_update_shape() {
PhysicsServer2D::get_singleton()->shape_set_data(get_rid(), size * 0.5);
emit_changed();
}
void RectangleShape2D::set_size(const Vector2 &p_size) {
size = p_size;
_update_shape();
}
Vector2 RectangleShape2D::get_size() const {
return size;
}
void RectangleShape2D::draw(const RID &p_to_rid, const Color &p_color) {
// Draw an outlined rectangle to make individual shapes easier to distinguish.
Vector<Vector2> stroke_points;
stroke_points.resize(5);
stroke_points.write[0] = -size * 0.5;
stroke_points.write[1] = Vector2(size.x, -size.y) * 0.5;
stroke_points.write[2] = size * 0.5;
stroke_points.write[3] = Vector2(-size.x, size.y) * 0.5;
stroke_points.write[4] = -size * 0.5;
Vector<Color> stroke_colors;
stroke_colors.resize(5);
for (int i = 0; i < 5; i++) {
stroke_colors.write[i] = (p_color);
}
RenderingServer::get_singleton()->canvas_item_add_rect(p_to_rid, Rect2(-size * 0.5, size), p_color);
RenderingServer::get_singleton()->canvas_item_add_polyline(p_to_rid, stroke_points, stroke_colors);
}
Rect2 RectangleShape2D::get_rect() const {
return Rect2(-size * 0.5, size);
}
real_t RectangleShape2D::get_enclosing_radius() const {
return size.length() / 2;
}
void RectangleShape2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_size", "size"), &RectangleShape2D::set_size);
ClassDB::bind_method(D_METHOD("get_size"), &RectangleShape2D::get_size);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "size"), "set_size", "get_size");
}
RectangleShape2D::RectangleShape2D() :
Shape2D(PhysicsServer2D::get_singleton()->rectangle_shape_create()) {
size = Vector2(20, 20);
_update_shape();
}