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/*************************************************************************/
/* 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() {
Vector<Vector3> points = get_points();
if (points.size() > 3) {
Vector<Vector3> varr = Variant(points);
Geometry::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)) {
}
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