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-rw-r--r--src/ft_raycasting.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/ft_raycasting.c b/src/ft_raycasting.c
index 26a3ec9..6423b9d 100644
--- a/src/ft_raycasting.c
+++ b/src/ft_raycasting.c
@@ -26,8 +26,18 @@ void
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 = (clist->rlist.wall_hit_x * (double)clist->tlist[clist->w_side].img_w);
- printf("wall_hit_x : %f\ntex_x : %d\nimg_w : %d\n", clist->rlist.wall_hit_x, clist->rlist.tex_x, clist->tlist[clist->w_side].img_w);
+ 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;
+ }
+ printf("tex_x : %d\nwall_hit_x : %f\ntex_x : %d\nimg_w : %d\n",
+ clist->rlist.wall_hit_x, clist->rlist.tex_x, clist->tlist[clist->w_side].img_w);
}
static void