2023-01-10 15:26:54 +01:00
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/**************************************************************************/
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/* convex_polygon_shape.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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2018-01-05 00:50:27 +01:00
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2014-02-10 02:10:30 +01:00
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#include "convex_polygon_shape.h"
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2021-05-07 12:48:56 +02:00
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#include "core/math/convex_hull.h"
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2017-03-05 16:44:50 +01:00
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#include "servers/physics_server.h"
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2014-02-10 02:10:30 +01:00
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2019-10-10 22:35:00 +02:00
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Vector<Vector3> ConvexPolygonShape::get_debug_mesh_lines() {
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2017-01-07 22:25:37 +01:00
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PoolVector<Vector3> points = get_points();
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2015-09-20 18:03:46 +02:00
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2017-03-05 16:44:50 +01:00
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if (points.size() > 3) {
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2015-09-20 18:03:46 +02:00
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Vector<Vector3> varr = Variant(points);
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Geometry::MeshData md;
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2021-05-07 12:48:56 +02:00
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Error err = ConvexHullComputer::convex_hull(varr, md);
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2017-03-05 16:44:50 +01:00
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if (err == OK) {
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2015-09-20 18:03:46 +02:00
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Vector<Vector3> lines;
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2017-03-05 16:44:50 +01:00
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lines.resize(md.edges.size() * 2);
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for (int i = 0; i < md.edges.size(); i++) {
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2018-07-25 03:11:03 +02:00
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lines.write[i * 2 + 0] = md.vertices[md.edges[i].a];
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lines.write[i * 2 + 1] = md.vertices[md.edges[i].b];
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2015-09-20 18:03:46 +02:00
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}
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return lines;
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}
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}
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return Vector<Vector3>();
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}
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2014-02-10 02:10:30 +01:00
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2021-12-16 06:15:23 +01:00
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real_t ConvexPolygonShape::get_enclosing_radius() const {
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PoolVector<Vector3> data = get_points();
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PoolVector<Vector3>::Read read = data.read();
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real_t r = 0;
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for (int i(0); i < data.size(); i++) {
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r = MAX(read[i].length_squared(), r);
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}
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return Math::sqrt(r);
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}
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2014-02-10 02:10:30 +01:00
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void ConvexPolygonShape::_update_shape() {
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2017-03-05 16:44:50 +01:00
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PhysicsServer::get_singleton()->shape_set_data(get_shape(), points);
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2019-03-19 04:53:37 +01:00
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Shape::_update_shape();
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2014-02-10 02:10:30 +01:00
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}
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2017-03-05 16:44:50 +01:00
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void ConvexPolygonShape::set_points(const PoolVector<Vector3> &p_points) {
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points = p_points;
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2014-02-10 02:10:30 +01:00
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_update_shape();
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notify_change_to_owners();
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}
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2017-01-07 22:25:37 +01:00
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PoolVector<Vector3> ConvexPolygonShape::get_points() const {
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2014-02-10 02:10:30 +01:00
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return points;
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}
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void ConvexPolygonShape::_bind_methods() {
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2017-03-05 16:44:50 +01:00
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ClassDB::bind_method(D_METHOD("set_points", "points"), &ConvexPolygonShape::set_points);
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ClassDB::bind_method(D_METHOD("get_points"), &ConvexPolygonShape::get_points);
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2014-02-10 02:10:30 +01:00
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2017-03-05 16:44:50 +01:00
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ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "points"), "set_points", "get_points");
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2014-02-10 02:10:30 +01:00
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}
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2017-12-06 21:36:34 +01:00
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ConvexPolygonShape::ConvexPolygonShape() :
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2021-11-09 13:00:07 +01:00
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Shape(RID_PRIME(PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_CONVEX_POLYGON))) {
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2014-02-10 02:10:30 +01:00
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}
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