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-rw-r--r--src/ft_raycasting.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/src/ft_raycasting.c b/src/ft_raycasting.c
index e1d3223..ff73893 100644
--- a/src/ft_raycasting.c
+++ b/src/ft_raycasting.c
@@ -10,18 +10,29 @@
/* */
/* ************************************************************************** */
+#include <libft.h>
#include <cub3d.h>
#include <stdint.h>
+#include <math.h>
void
ft_calc_tex(t_cub *clist)
{
- if (clist->rlist.side == 1)
+ if (clist->rlist.side == 0)
clist->rlist.wall_hit_x = clist->plist->pos_y +
clist->rlist.wall_dist * clist->rlist.y_ray_dir;
else
clist->rlist.wall_hit_x = clist->plist->pos_x +
clist->rlist.wall_dist * clist->rlist.x_ray_dir;
+ clist->rlist.wall_hit_x -= floor(clist->rlist.wall_hit_x);
+ clist->rlist.tex_x = (int)(clist->rlist.wall_hit_x *
+ (double)clist->tlist[clist->w_side].img_w);
+ if (clist->rlist.side == 0 && clist->rlist.x_ray_dir > 0)
+ clist->rlist.tex_x = clist->tlist[clist->w_side].img_w
+ - clist->rlist.tex_x - 1;
+ if (clist->rlist.side == 1 && clist->rlist.y_ray_dir < 0)
+ clist->rlist.tex_x = clist->tlist[clist->w_side].img_w
+ - clist->rlist.tex_x - 1;
}
static void
@@ -43,8 +54,10 @@ static void
cl->rlist.sqy = (int16_t)cl->rlist.y_ray_pos;
ft_detect(cl);
if (cl->rlist.side == 0)
+ {
cl->rlist.wall_dist = (cl->rlist.sqx - cl->rlist.x_ray_pos +
(1 - cl->mlist->x_step) / 2) / cl->rlist.x_ray_dir;
+ }
else
cl->rlist.wall_dist = (cl->rlist.sqy - cl->rlist.y_ray_pos +
(1 - cl->mlist->y_step) / 2) / cl->rlist.y_ray_dir;
@@ -58,6 +71,7 @@ void
i = 0;
wl = cl->wlist;
+ ft_wall_tex_init(cl);
while (i < wl->x_size)
{
ft_initray(cl, i);