c4b116cff7
Disabling collision outlines can be useful for performance when the game is running and many collision shapes are displayed.
92 lines
4.1 KiB
C++
92 lines
4.1 KiB
C++
/*************************************************************************/
|
|
/* circle_shape_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 "circle_shape_2d.h"
|
|
|
|
#include "servers/physics_server_2d.h"
|
|
#include "servers/rendering_server.h"
|
|
|
|
bool CircleShape2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
|
|
return p_point.length() < get_radius() + p_tolerance;
|
|
}
|
|
|
|
void CircleShape2D::_update_shape() {
|
|
PhysicsServer2D::get_singleton()->shape_set_data(get_rid(), radius);
|
|
emit_changed();
|
|
}
|
|
|
|
void CircleShape2D::set_radius(real_t p_radius) {
|
|
radius = p_radius;
|
|
_update_shape();
|
|
}
|
|
|
|
real_t CircleShape2D::get_radius() const {
|
|
return radius;
|
|
}
|
|
|
|
void CircleShape2D::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_radius", "radius"), &CircleShape2D::set_radius);
|
|
ClassDB::bind_method(D_METHOD("get_radius"), &CircleShape2D::get_radius);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radius", PROPERTY_HINT_RANGE, "0.01,16384,0.5"), "set_radius", "get_radius");
|
|
}
|
|
|
|
Rect2 CircleShape2D::get_rect() const {
|
|
Rect2 rect;
|
|
rect.position = -Point2(get_radius(), get_radius());
|
|
rect.size = Point2(get_radius(), get_radius()) * 2.0;
|
|
return rect;
|
|
}
|
|
|
|
real_t CircleShape2D::get_enclosing_radius() const {
|
|
return radius;
|
|
}
|
|
|
|
void CircleShape2D::draw(const RID &p_to_rid, const Color &p_color) {
|
|
Vector<Vector2> points;
|
|
const real_t turn_step = Math_TAU / 24.0;
|
|
for (int i = 0; i < 24; i++) {
|
|
points.push_back(Vector2(Math::cos(i * turn_step), Math::sin(i * turn_step)) * get_radius());
|
|
}
|
|
|
|
Vector<Color> col;
|
|
col.push_back(p_color);
|
|
RenderingServer::get_singleton()->canvas_item_add_polygon(p_to_rid, points, col);
|
|
if (is_collision_outline_enabled()) {
|
|
RenderingServer::get_singleton()->canvas_item_add_polyline(p_to_rid, points, col);
|
|
// Draw the last segment as it's not drawn by `canvas_item_add_polyline()`.
|
|
RenderingServer::get_singleton()->canvas_item_add_line(p_to_rid, points[points.size() - 1], points[0], p_color);
|
|
}
|
|
}
|
|
|
|
CircleShape2D::CircleShape2D() :
|
|
Shape2D(PhysicsServer2D::get_singleton()->circle_shape_create()) {
|
|
_update_shape();
|
|
}
|