/* ************************************************************************** */
/*                                                                            */
/*                                                  :::  o_   ::::::    :::   */
/*   project_isometric.c                           :+:  /    :+::+:    :+:    */
/*                                                +:+   >   +:++:+    +:+     */
/*   By: whaffman <whaffman@student.codam.nl>    +#+  +:+  +#++#++:++#++      */
/*                                              +#+ +#+#+ +#++#+    +#+ \o/   */
/*   Created: 2024/12/13 15:23:19 by whaffman   #+#+# #+#+# #+#    #+#   |    */
/*   Updated: 2024/12/13 15:23:19 by whaffman   ###   ###  ###    ###   / \   */
/*                                                                            */
/* ************************************************************************** */

#include "fdf.h"

void	project_isometric(t_fdf *fdf)
{
	int			i;
	double		x;
	double		y;

	i = 0;
	if (fdf->zoom == 0)
		fdf->zoom = fmin(fdf->mlx->width / fdf->map->width,
				fdf->mlx->height / fdf->map->height) / SQRT2;
	while (i < fdf->map->width * fdf->map->height)
	{
		x = (fdf->map->rot[i].x - fdf->map->rot[i].y) / SQRT2;
		y = (fdf->map->rot[i].x + fdf->map->rot[i].y
				- 2 * fdf->map->rot[i].z) / SQRT6;
		fdf->map->proj[i].x = x * fdf->zoom + fdf->offset_x;
		fdf->map->proj[i].y = y * fdf->zoom + fdf->offset_y;
		fdf->map->proj[i].color = fdf->map->rot[i].color;
		i++;
	}
}