/*************************************************************************/ /* convex_polygon_shape_2d.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 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 "convex_polygon_shape_2d.h" #include "core/math/geometry_2d.h" #include "servers/physics_server_2d.h" #include "servers/rendering_server.h" bool ConvexPolygonShape2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const { return Geometry2D::is_point_in_polygon(p_point, points); } void ConvexPolygonShape2D::_update_shape() { Vector<Vector2> final_points = points; if (Geometry2D::is_polygon_clockwise(final_points)) { //needs to be counter clockwise final_points.reverse(); } PhysicsServer2D::get_singleton()->shape_set_data(get_rid(), final_points); emit_changed(); } void ConvexPolygonShape2D::set_point_cloud(const Vector<Vector2> &p_points) { Vector<Point2> hull = Geometry2D::convex_hull(p_points); ERR_FAIL_COND(hull.size() < 3); set_points(hull); } void ConvexPolygonShape2D::set_points(const Vector<Vector2> &p_points) { points = p_points; _update_shape(); } Vector<Vector2> ConvexPolygonShape2D::get_points() const { return points; } void ConvexPolygonShape2D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_point_cloud", "point_cloud"), &ConvexPolygonShape2D::set_point_cloud); ClassDB::bind_method(D_METHOD("set_points", "points"), &ConvexPolygonShape2D::set_points); ClassDB::bind_method(D_METHOD("get_points"), &ConvexPolygonShape2D::get_points); ADD_PROPERTY(PropertyInfo(Variant::PACKED_VECTOR2_ARRAY, "points"), "set_points", "get_points"); } void ConvexPolygonShape2D::draw(const RID &p_to_rid, const Color &p_color) { if (points.size() < 3) { return; } 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, 1.0, true); } } Rect2 ConvexPolygonShape2D::get_rect() const { Rect2 rect; for (int i = 0; i < points.size(); i++) { if (i == 0) { rect.position = points[i]; } else { rect.expand_to(points[i]); } } return rect; } real_t ConvexPolygonShape2D::get_enclosing_radius() const { real_t r = 0.0; for (int i(0); i < get_points().size(); i++) { r = MAX(get_points()[i].length_squared(), r); } return Math::sqrt(r); } ConvexPolygonShape2D::ConvexPolygonShape2D() : Shape2D(PhysicsServer2D::get_singleton()->convex_polygon_shape_create()) { }