src/matrix.cpp

/*
 *  LDForge: LDraw parts authoring CAD
 *  Copyright (C) 2013 - 2020 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/>.
 */

#include "matrix.h"
#include "vertex.h"

Matrix4x4 combine(const Matrix3x3& topLeft, const Point3D& translation)
{
	return {{
		{topLeft(0, 0), topLeft(0, 1), topLeft(0, 2), translation.x},
		{topLeft(1, 0), topLeft(1, 1), topLeft(1, 2), translation.y},
		{topLeft(2, 0), topLeft(2, 1), topLeft(2, 2), translation.z},
		{0, 0, 0, 1}
	}};
}