src/ft_darken_rgb.c


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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_darken_rgb.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/03/05 16:04:28 by rbousset          #+#    #+#             */
/*   Updated: 2020/03/05 16:04:29 by rbousset         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <cub3d.h>
#include <stdint.h>

uint32_t
	ft_darken(t_rgb rgb, t_cub *cl)
{
	t_rgb		darker;
	float		calc;
	float		dist;

	if ((dist = cl->rlist.row_dist) <= 0)
		dist = 0.0001;
	calc = (dist * 0.4);
	calc = (calc >= 255) ? (255) : (calc);
	calc = (calc < 1) ? (1) : (calc);
	darker = rgb;
	darker.r /= calc;
	darker.g /= calc;
	darker.b /= calc;
	return (ft_rgb_to_hex(darker));
}