91 lines
3.9 KiB
C++
91 lines
3.9 KiB
C++
/*************************************************************************/
|
|
/* convex_polygon_shape.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 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.h"
|
|
#include "core/math/convex_hull.h"
|
|
#include "servers/physics_server.h"
|
|
|
|
Vector<Vector3> ConvexPolygonShape::get_debug_mesh_lines() {
|
|
PoolVector<Vector3> points = get_points();
|
|
|
|
if (points.size() > 3) {
|
|
Vector<Vector3> varr = Variant(points);
|
|
Geometry::MeshData md;
|
|
Error err = ConvexHullComputer::convex_hull(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 ConvexPolygonShape::get_enclosing_radius() const {
|
|
PoolVector<Vector3> data = get_points();
|
|
PoolVector<Vector3>::Read read = data.read();
|
|
real_t r = 0;
|
|
for (int i(0); i < data.size(); i++) {
|
|
r = MAX(read[i].length_squared(), r);
|
|
}
|
|
return Math::sqrt(r);
|
|
}
|
|
|
|
void ConvexPolygonShape::_update_shape() {
|
|
PhysicsServer::get_singleton()->shape_set_data(get_shape(), points);
|
|
Shape::_update_shape();
|
|
}
|
|
|
|
void ConvexPolygonShape::set_points(const PoolVector<Vector3> &p_points) {
|
|
points = p_points;
|
|
_update_shape();
|
|
notify_change_to_owners();
|
|
}
|
|
|
|
PoolVector<Vector3> ConvexPolygonShape::get_points() const {
|
|
return points;
|
|
}
|
|
|
|
void ConvexPolygonShape::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_points", "points"), &ConvexPolygonShape::set_points);
|
|
ClassDB::bind_method(D_METHOD("get_points"), &ConvexPolygonShape::get_points);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "points"), "set_points", "get_points");
|
|
}
|
|
|
|
ConvexPolygonShape::ConvexPolygonShape() :
|
|
Shape(PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_CONVEX_POLYGON)) {
|
|
}
|