diff --git a/srcs/draw/ray_intersect.c b/srcs/draw/ray_intersect.c
index ed7d409..3896445 100644
--- a/srcs/draw/ray_intersect.c
+++ b/srcs/draw/ray_intersect.c
@@ -60,6 +60,7 @@ static void	next_cell(t_rcast *rcast)
 
 static void	calcul_ray_end(t_rcast *rcast, t_vec *ray)
 {
+	/*
 	if (rcast->is_x)
 	{
 		ray->end.x = rcast->cell_x * rcast->cell;
@@ -82,6 +83,43 @@ static void	calcul_ray_end(t_rcast *rcast, t_vec *ray)
 			ray->end.x = ray->start.x + (double)rcast->slope_x * rcast->ratio;
 		}
 	}
+	*/
+	int	*nd1;
+	int	*cell1;
+	int	*sign1;
+	int	*st1;
+	int	*slp1;
+	int	*nd2;
+	int	*st2;
+	int	*slp2;
+
+	if (rcast->is_x)
+	{
+		nd1 = &(ray->end.x);
+		cell1 = &(rcast->cell_x);
+		sign1 = &(rcast->ray_sign_x);
+		st1 = &(ray->start.x);
+		slp1 = &(rcast->slope_x);
+		nd2 = &(ray->end.y);
+		st2 = &(ray->start.y);
+		slp2 = &(rcast->slope_y);
+	}
+	else
+	{
+		nd1 = &(ray->end.y);
+		cell1 = &(rcast->cell_y);
+		sign1 = &(rcast->ray_sign_y);
+		st1 = &(ray->start.y);
+		slp1 = &(rcast->slope_y);
+		nd2 = &(ray->end.x);
+		st2 = &(ray->start.x);
+		slp2 = &(rcast->slope_x);
+	}
+	*nd1 = *cell1 * rcast->cell;
+	if (*sign1 == 1)
+		*nd1 += rcast->cell;
+	if (*slp1)
+	*nd2 = *st2 + (double)(*slp2) * (double)(*nd1 - *st1) / (double)(*slp1);
 }
 
 void	ray_intersect(t_game *game, t_rcast *rcast, t_vec *ray)