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path: root/scene/resources/capsule_shape_3d.cpp
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/*************************************************************************/
/*  capsule_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 "capsule_shape_3d.h"
#include "servers/physics_server.h"

Vector<Vector3> CapsuleShape3D::get_debug_mesh_lines() {

	float radius = get_radius();
	float height = get_height();

	Vector<Vector3> points;

	Vector3 d(0, height * 0.5, 0);
	for (int i = 0; i < 360; i++) {

		float ra = Math::deg2rad((float)i);
		float rb = Math::deg2rad((float)i + 1);
		Point2 a = Vector2(Math::sin(ra), Math::cos(ra)) * radius;
		Point2 b = Vector2(Math::sin(rb), Math::cos(rb)) * radius;

		points.push_back(Vector3(a.x, 0, a.y) + d);
		points.push_back(Vector3(b.x, 0, b.y) + d);

		points.push_back(Vector3(a.x, 0, a.y) - d);
		points.push_back(Vector3(b.x, 0, b.y) - d);

		if (i % 90 == 0) {

			points.push_back(Vector3(a.x, 0, a.y) + d);
			points.push_back(Vector3(a.x, 0, a.y) - d);
		}

		Vector3 dud = i < 180 ? d : -d;

		points.push_back(Vector3(0, a.x, a.y) + dud);
		points.push_back(Vector3(0, b.x, b.y) + dud);
		points.push_back(Vector3(a.y, a.x, 0) + dud);
		points.push_back(Vector3(b.y, b.x, 0) + dud);
	}

	return points;
}

real_t CapsuleShape3D::get_enclosing_radius() const {
	return radius + height * 0.5;
}

void CapsuleShape3D::_update_shape() {

	Dictionary d;
	d["radius"] = radius;
	d["height"] = height;
	PhysicsServer::get_singleton()->shape_set_data(get_shape(), d);
	Shape3D::_update_shape();
}

void CapsuleShape3D::set_radius(float p_radius) {

	radius = p_radius;
	_update_shape();
	notify_change_to_owners();
	_change_notify("radius");
}

float CapsuleShape3D::get_radius() const {

	return radius;
}

void CapsuleShape3D::set_height(float p_height) {

	height = p_height;
	_update_shape();
	notify_change_to_owners();
	_change_notify("height");
}

float CapsuleShape3D::get_height() const {

	return height;
}

void CapsuleShape3D::_bind_methods() {

	ClassDB::bind_method(D_METHOD("set_radius", "radius"), &CapsuleShape3D::set_radius);
	ClassDB::bind_method(D_METHOD("get_radius"), &CapsuleShape3D::get_radius);
	ClassDB::bind_method(D_METHOD("set_height", "height"), &CapsuleShape3D::set_height);
	ClassDB::bind_method(D_METHOD("get_height"), &CapsuleShape3D::get_height);

	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radius", PROPERTY_HINT_RANGE, "0.01,4096,0.01"), "set_radius", "get_radius");
	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "height", PROPERTY_HINT_RANGE, "0.01,4096,0.01"), "set_height", "get_height");
}

CapsuleShape3D::CapsuleShape3D() :
		Shape3D(PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_CAPSULE)) {

	radius = 1.0;
	height = 1.0;
	_update_shape();
}