ray.h

/*
 * Copyright (C) 2022, Max von Buelow
 * TU Darmstadt - Interactive Graphics Systems Group
 *
 * 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 <cmath>

struct Ray {
	float org[3];
	float dir[3];
	inline void normalize()
	{
		float n = std::sqrt(dir[0] * dir[0] + dir[1] * dir[1] + dir[2] * dir[2]);
		for (int i = 0; i < 3; ++i) dir[i] /= n;
	}
};