src/vertex.h

/*
 *  LDForge: LDraw parts authoring CAD
 *  Copyright (C) 2013 - 2015 Teemu Piippo
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once
#include <QVector3D>
#include <functional>
#include "basics.h"

class Matrix;

enum Axis
{
	X,
	Y,
	Z
};

//
// Derivative of QVector3D: this class is used for the vertices.
//
class Vertex : public QVector3D
{
public:
	using ApplyFunction = std::function<void (Axis, double&)>;
	using ApplyConstFunction = std::function<void (Axis, double)>;

	Vertex();
	Vertex (const QVector3D& a);
	Vertex (qreal xpos, qreal ypos, qreal zpos);

	void	apply (ApplyFunction func);
	void	apply (ApplyConstFunction func) const;
	QString	toString (bool mangled = false) const;
	void	transform (const Matrix& matr, const Vertex& pos);
	void	setCoordinate (Axis ax, qreal value);

	bool	operator< (const Vertex& other) const;
	double	operator[] (Axis ax) const;
};

extern const Vertex Origin;
Q_DECLARE_METATYPE (Vertex)