diff options
Diffstat (limited to 'scene/resources/2d/circle_shape_2d.cpp')
| -rw-r--r-- | scene/resources/2d/circle_shape_2d.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/scene/resources/2d/circle_shape_2d.cpp b/scene/resources/2d/circle_shape_2d.cpp new file mode 100644 index 0000000000..0b207c33ca --- /dev/null +++ b/scene/resources/2d/circle_shape_2d.cpp @@ -0,0 +1,95 @@ +/**************************************************************************/ +/* circle_shape_2d.cpp */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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) { + ERR_FAIL_COND_MSG(p_radius < 0, "CircleShape2D radius cannot be negative."); + 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, "0.01,1024,0.01,or_greater,suffix:px"), "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; + points.resize(24); + + const real_t turn_step = Math_TAU / 24.0; + for (int i = 0; i < 24; i++) { + points.write[i] = Vector2(Math::cos(i * turn_step), Math::sin(i * turn_step)) * get_radius(); + } + + Vector<Color> col = { p_color }; + RenderingServer::get_singleton()->canvas_item_add_polygon(p_to_rid, points, col); + + if (is_collision_outline_enabled()) { + points.push_back(points[0]); + col = { Color(p_color, 1.0) }; + RenderingServer::get_singleton()->canvas_item_add_polyline(p_to_rid, points, col); + } +} + +CircleShape2D::CircleShape2D() : + Shape2D(PhysicsServer2D::get_singleton()->circle_shape_create()) { + _update_shape(); +} |