diff --git a/headers/cube3d_macro.h b/headers/cube3d_macro.h
index 1f4d472..477cce1 100644
--- a/headers/cube3d_macro.h
+++ b/headers/cube3d_macro.h
@@ -17,6 +17,8 @@
 # define SCREEN_FOCAL 90
 /* size of a cell on the map */
 # define CELL 20
+/* height of a wall without perpectiv */
+# define WALL_HEIGHT 300
 
 /*
  * keys macro
diff --git a/headers/cube3d_struct.h b/headers/cube3d_struct.h
index 81cf47d..012c6d6 100644
--- a/headers/cube3d_struct.h
+++ b/headers/cube3d_struct.h
@@ -36,6 +36,7 @@ typedef struct		s_rcast
 	t_vec			screen_size;
 	t_vec			ray;
 	t_vec			wall;
+	int				wall_height;
 	int				screen_width;
 	int				screen_height;
 	int				cell;
diff --git a/srcs/draw/raycast.c b/srcs/draw/raycast.c
index 2115a99..26b0472 100644
--- a/srcs/draw/raycast.c
+++ b/srcs/draw/raycast.c
@@ -32,42 +32,47 @@
 
 static void	calcul_wall(t_rcast *rcast)
 {
+	int	length;
 	int	height;
 
 	rcast->wall.start.x = rcast->ray_nb;
 	rcast->wall.end.x = rcast->ray_nb;
 	if (rcast->is_x == 1 && rcast->slope_y != 0)
-		height = (rcast->next_x - rcast->ray_step_x) / ft_abs(rcast->slope_y);
+		length = (rcast->next_x - rcast->ray_step_x) / ft_abs(rcast->slope_y);
 	if (rcast->is_x == 0 && rcast->slope_x != 0)
-		height = (rcast->next_y - rcast->ray_step_y) / ft_abs(rcast->slope_x);
+		length = (rcast->next_y - rcast->ray_step_y) / ft_abs(rcast->slope_x);
+	height = rcast->wall_height - length;
+	if (height < 0)
+		height = 0;
 	if (height > rcast->screen_height)
 		height = rcast->screen_height;
 	rcast->wall.start.y = rcast->screen_height / 2 + height / 2;
-	rcast->wall.end.y   = rcast->screen_height / 2 - height / 2;
+	rcast->wall.end.y = rcast->screen_height / 2 - height / 2;
 }
 
 void	draw_column(t_game *game, t_rcast *rcast)
 {
-	t_vec	floor;
-	t_vec	ceilling;
+	t_vec	plane;
+	int		color;
 
+	plane.start.x = rcast->ray_nb;
+	plane.end.x = rcast->ray_nb;
 	if (rcast->wall.start.y > 0)
 	{
-		floor.start.x = rcast->ray_nb;
-		floor.end.x = rcast->ray_nb;
-		floor.start.y = rcast->screen_height;
-		floor.end.y = rcast->wall.start.y;
-		draw_line(&game->img, &floor, 0x00FF0000);
+		plane.start.y = rcast->screen_height;
+		plane.end.y = rcast->wall.start.y;
+		draw_line(&game->img, &plane, 0x00FF0000);
 	}
 	if (rcast->wall.start.y < rcast->screen_height)
 	{
-		ceilling.start.x = rcast->ray_nb;
-		ceilling.end.x = rcast->ray_nb;
-		ceilling.start.y = rcast->wall.end.y;
-		ceilling.end.y = 0;
-		draw_line(&game->img, &ceilling, 0x00FF0000);
+		plane.start.y = rcast->wall.end.y;
+		plane.end.y = 0;
+		draw_line(&game->img, &plane, 0x000000FF);
 	}
-	draw_line(&game->img, &rcast->wall, 0x00FF00FF);
+	color = 0x00FF00FF;
+	if (rcast->is_x)
+		color = 0x00EE00EE;
+	draw_line(&game->img, &rcast->wall, color);
 }
 
 void	raycast(t_game *game, t_rcast *rcast)
diff --git a/srcs/init/init_struct.c b/srcs/init/init_struct.c
index d18d01f..5546c5a 100644
--- a/srcs/init/init_struct.c
+++ b/srcs/init/init_struct.c
@@ -70,6 +70,7 @@ static void	init_raycast(t_rcast *rcast)
 	dist = cos(dist) * ((SCREEN_WIDTH / 2) / sin(dist));
 	rcast->screen_width = SCREEN_WIDTH;
 	rcast->screen_height = SCREEN_HEIGHT;
+	rcast->wall_height = WALL_HEIGHT;
 	// screen dist
 	rcast->screen_dist.start.x = 0;
 	rcast->screen_dist.start.y = 0;