/*************************************************************************/ /* convex_polygon_shape_3d.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 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_3d.h" #include "core/math/quick_hull.h" #include "servers/physics_server_3d.h" Vector<Vector3> ConvexPolygonShape3D::get_debug_mesh_lines() const { Vector<Vector3> points = get_points(); if (points.size() > 3) { Vector<Vector3> varr = Variant(points); Geometry3D::MeshData md; Error err = QuickHull::build(varr, md); if (err == OK) { Vector<Vector3> lines; lines.resize(md.edges.size() * 2); for (int i = 0; i < md.edges.size(); i++) { lines.write[i * 2 + 0] = md.vertices[md.edges[i].a]; lines.write[i * 2 + 1] = md.vertices[md.edges[i].b]; } return lines; } } return Vector<Vector3>(); } real_t ConvexPolygonShape3D::get_enclosing_radius() const { Vector<Vector3> data = get_points(); const Vector3 *read = data.ptr(); real_t r = 0; for (int i(0); i < data.size(); i++) { r = MAX(read[i].length_squared(), r); } return Math::sqrt(r); } void ConvexPolygonShape3D::_update_shape() { PhysicsServer3D::get_singleton()->shape_set_data(get_shape(), points); Shape3D::_update_shape(); } void ConvexPolygonShape3D::set_points(const Vector<Vector3> &p_points) { points = p_points; _update_shape(); notify_change_to_owners(); } Vector<Vector3> ConvexPolygonShape3D::get_points() const { return points; } void ConvexPolygonShape3D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_points", "points"), &ConvexPolygonShape3D::set_points); ClassDB::bind_method(D_METHOD("get_points"), &ConvexPolygonShape3D::get_points); ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "points"), "set_points", "get_points"); } ConvexPolygonShape3D::ConvexPolygonShape3D() : Shape3D(PhysicsServer3D::get_singleton()->shape_create(PhysicsServer3D::SHAPE_CONVEX_POLYGON)) { }