2 files changed, 37 insertions, 25 deletions

diff --git a/src/ft_floor_cast.c b/src/ft_floor_cast.c
index 384f699..d2c6046 100644
--- a/src/ft_floor_cast.c
+++ b/src/ft_floor_cast.c
@@ -78,8 +78,6 @@ static void
 	{
 		ft_set_tex_xy(7, rl, cl);
 	}
-	rl->x_floor += cl->mlist.x_floor_step;
-	rl->y_floor += cl->mlist.y_floor_step;
 	if (cl->mlist.isftex)
 		ft_draw_extra_tex(6, y, x, cl);
 	else
@@ -91,28 +89,38 @@ static void
 }
 
 void
-	ft_floor_cast(uint16_t y, t_cub *cl)
+	ft_floor_cast(t_cub *cl)
 {
 	t_ray		*rl;
 	uint16_t	x;
+	uint16_t	y;
 
 	rl = &cl->rlist;
-	rl->x_f_ray_dir = cl->plist.dir_x - cl->plist.plane_x;
-	rl->y_f_ray_dir = cl->plist.dir_y - cl->plist.plane_y;
-	rl->x_f_ray_dir_bis = cl->plist.dir_x + cl->plist.plane_x;
-	rl->y_f_ray_dir_bis = cl->plist.dir_y + cl->plist.plane_y;
-	rl->p = y - cl->wlist.y_size / 2;
-	cl->plist.pos_z = 0.5 * cl->wlist.y_size;
-	rl->row_dist = cl->plist.pos_z / rl->p;
-	cl->mlist.x_floor_step = rl->row_dist *
-		(rl->x_f_ray_dir_bis - rl->x_f_ray_dir) / cl->wlist.x_size;
-	cl->mlist.y_floor_step = rl->row_dist *
-		(rl->y_f_ray_dir_bis - rl->y_f_ray_dir) / cl->wlist.x_size;
-	rl->x_floor = cl->plist.pos_y + rl->row_dist * rl->x_f_ray_dir;
-	rl->y_floor = cl->plist.pos_x + rl->row_dist * rl->y_f_ray_dir;
-	x = 0;
-	while (++x < cl->wlist.x_size)
+	y = (cl->wlist.y_size / 2) + 1;
+	while (++y < cl->wlist.y_size)
 	{
-		ft_floor_cast_loop(y, x, rl, cl);
+		rl->x_f_ray_dir = cl->plist.dir_x - cl->plist.plane_x;
+		rl->y_f_ray_dir = cl->plist.dir_y - cl->plist.plane_y;
+		rl->x_f_ray_dir_bis = cl->plist.dir_x + cl->plist.plane_x;
+		rl->y_f_ray_dir_bis = cl->plist.dir_y + cl->plist.plane_y;
+		rl->p = y - cl->wlist.y_size / 2;
+		cl->plist.pos_z = 0.5 * cl->wlist.y_size;
+		rl->row_dist = cl->plist.pos_z / rl->p;
+		cl->mlist.x_floor_step = rl->row_dist *
+			(rl->x_f_ray_dir_bis - rl->x_f_ray_dir) / cl->wlist.x_size;
+		cl->mlist.y_floor_step = rl->row_dist *
+			(rl->y_f_ray_dir_bis - rl->y_f_ray_dir) / cl->wlist.x_size;
+		rl->x_floor = cl->plist.pos_y + rl->row_dist * rl->x_f_ray_dir;
+		rl->y_floor = cl->plist.pos_x + rl->row_dist * rl->y_f_ray_dir;
+		x = -1;
+		while (++x < cl->wlist.x_size)
+		{
+			if (cl->rlist.wall_bz[x] <= y)
+			{
+				ft_floor_cast_loop(y, x, rl, cl);
+			}
+			rl->x_floor += cl->mlist.x_floor_step;
+			rl->y_floor += cl->mlist.y_floor_step;
+		}
 	}
 }
diff --git a/src/ft_raycasting.c b/src/ft_raycasting.c
index baa71af..5c57044 100644
--- a/src/ft_raycasting.c
+++ b/src/ft_raycasting.c
@@ -76,24 +76,25 @@ static void
 	if (cl->rlist.wall_t < 0)
 		cl->rlist.wall_t = 0;
 	cl->rlist.wall_b = cl->rlist.line_h / 2 + wl->y_size / 2;
-	if (cl->rlist.wall_b >= (float)wl->y_size)
+	if (cl->rlist.wall_b >= (int16_t)wl->y_size)
 		cl->rlist.wall_b = wl->y_size - 1;
+	cl->rlist.wall_bz[i] = cl->rlist.wall_b;
 }
 
 void
 	ft_castray(t_cub *cl)
 {
-	uint16_t		i;
-	t_win			*wl;
+	uint16_t	i;
+	t_win		*wl;
 
 	ft_memdel((void**)&cl->rlist.wall_dist_tab);
 	wl = &cl->wlist;
-	i = (wl->y_size / 2) + 1;
-	while (++i < wl->y_size)
-		ft_floor_cast(i, cl);
 	if (!(cl->rlist.wall_dist_tab =
 			(float*)malloc(sizeof(float) * cl->wlist.x_size)))
 		return ;
+	if (!(cl->rlist.wall_bz =
+			(int16_t*)malloc(cl->wlist.x_size * sizeof(int16_t))))
+		return ;
 	i = 0;
 	while (i < wl->x_size)
 	{
@@ -104,4 +105,7 @@ void
 		cl->rlist.wall_dist_tab[i] = cl->rlist.wall_dist;
 		i++;
 	}
+	ft_floor_cast(cl);
+	i = 0;
+	ft_memdel((void**)&cl->rlist.wall_bz);
 }