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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_raycasting.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:22:57 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:23:42 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <cub3d.h>
#include <stdint.h>
void
ft_floor_cast(t_cub *cl)
{
t_ray *rl;
const uint32_t map_x = (uint32_t)&cl->plist.pos_x;
const uint32_t map_y = (uint32_t)&cl->plist.pos_y;
rl = &cl->rlist;
if (rl->side == 0 && rl->x_ray_dir > 0)
{
rl->floor_x_wall = (double)map_x;
rl->floor_y_wall = (double)map_y + rl->wall_hit_x;
}
else if (rl->side == 0 && rl->x_ray_dir < 0)
{
rl->floor_x_wall = (double)map_x + 1.0;
rl->floor_y_wall = (double)map_y + rl->wall_hit_x;
}
else if (rl->side == 1 && rl->y_ray_dir > 0)
{
rl->floor_x_wall = (double)map_x + rl->wall_hit_x;
rl->floor_y_wall = (double)map_y;
}
else
{
rl->floor_x_wall = (double)map_x + rl->wall_hit_x;
rl->floor_y_wall = (double)map_y + 1.0;
}
}
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