/*************************************************************************/ /* 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(); }