/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   vec_arithmetics.c                                  :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: gbrochar <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/02/08 15:57:41 by gbrochar          #+#    #+#             */
/*   Updated: 2019/02/21 17:15:40 by gbrochar         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "rtv1.h"

int						check_direction(t_vec d)
{
	if (d.x + E > 0 && d.x - E < 0
			&& d.y + E > 0 && d.y - E < 0
			&& d.z + E > 0 && d.z - E < 0)
		return (FAILURE);
	return (SUCCESS);
}

t_vec					vec_mul(t_vec vec, double scalar)
{
	vec.x = vec.x * scalar;
	vec.y = vec.y * scalar;
	vec.z = vec.z * scalar;
	return (vec);
}

t_vec					vec_add(t_vec u, t_vec v)
{
	u.x = u.x + v.x;
	u.y = u.y + v.y;
	u.z = u.z + v.z;
	return (u);
}

t_vec					vec_sub(t_vec u, t_vec v)
{
	u.x = u.x - v.x;
	u.y = u.y - v.y;
	u.z = u.z - v.z;
	return (u);
}