diff --git a/builds/fdf.o b/builds/fdf.o
index 455ccee..0811ef2 100644
Binary files a/builds/fdf.o and b/builds/fdf.o differ
diff --git a/fdf b/fdf
index 41239ca..b87f2d5 100755
Binary files a/fdf and b/fdf differ
diff --git a/includes/fdf.h b/includes/fdf.h
index 02abddd..5706f47 100644
--- a/includes/fdf.h
+++ b/includes/fdf.h
@@ -6,6 +6,36 @@
 # include <unistd.h>	// for sleep()
 # include <math.h>		// for M_PI
 
+typedef struct	s_fdf
+{
+	void		*mlx_ptr;
+	void		*win_ptr;
+	void		*img_ptr;
+	char		*img_addr;
+	int			**map;
+	int			offset;
+	int			margin;
+	int			altitude;
+	int			win_size_x;
+	int			win_size_y;
+	int			img_size_x;
+	int			img_size_y;
+	int			map_size_x;
+	int			map_size_y;
+	int			map_width;
+	int			map_height;
+	int			rot_x;
+	int			rot_y;
+	double		rad_x;
+	double		rad_y;
+	int			mov_x;
+	int			mov_y;
+	int			max_z;
+	int			img_bpp;
+	int			img_sizel;
+	int			img_endian;
+}				t_fdf;
+
 # define ESCAPE			65307
 # define UP				65362
 # define DOWN			65364
@@ -38,34 +68,4 @@
 # define Y				121
 # define Z				122
 
-typedef struct	s_fdf
-{
-	void		*mlx_ptr;
-	void		*win_ptr;
-	void		*img_ptr;
-	char		*img_addr;
-	int			**map;
-	int			offset;
-	int			margin;
-	int			altitude;
-	int			win_size_x;
-	int			win_size_y;
-	int			img_size_x;
-	int			img_size_y;
-	int			map_size_x;
-	int			map_size_y;
-	int			map_width;
-	int			map_height;
-	int			rot_x;
-	int			rot_y;
-	double		rad_x;
-	double		rad_y;
-	int			mov_x;
-	int			mov_y;
-	int			max_z;
-	int			img_bpp;
-	int			img_sizel;
-	int			img_endian;
-}				t_fdf;
-
 #endif
diff --git a/srcs/fdf.c b/srcs/fdf.c
index 7b7b60f..1e28fe4 100644
--- a/srcs/fdf.c
+++ b/srcs/fdf.c
@@ -12,15 +12,66 @@ void	rotation_state(t_fdf *fdf);
 int		**parse_map(t_fdf *fdf);
 int		*new_coordinates(t_fdf *fdf, int i, int j);
 
+void	draw_lines(t_fdf *fdf, int *start, int *end)
+{
+	int dx;
+	int dy;
+	int dz;
+	int i;
+	int j;
+	int	slope_big;
+	int slope_small;
+	int pixel;
+	int z;
+
+	if (end)
+	{
+		dx = end[0] - start[0];
+		dy = end[1] - start[1];
+		//dz = end[2] - start[2];
+		i = 0;
+		j = 0;
+		while (i < dx && j < dy)
+		{
+			draw_color_pixel(fdf, start[0] + i, start[1] + j, start[2]);
+			if (j < i * dy / dx)
+				j++;
+			else
+				i++;
+		}
+		/*
+		slope_big = ft_greater(ft_absolute(dx), ft_absolute(dy));
+		slope_small = ft_smaller(ft_absolute(dx), ft_absolute(dy));
+		i = 0;
+		while (++i <= slope_big)
+		{
+			pixel = slope_small / slope_big * i * ft_sign(dx);
+			z = start[3] + (dz / slope_big * i);
+			draw_color_pixel(fdf, start[0] + i, start[1] + pixel, z);
+		}
+		*/
+	}
+	(void)dx;
+	(void)dy;
+	(void)dz;
+	(void)slope_big;
+	(void)slope_small;
+	(void)i;
+	(void)pixel;
+	(void)z;
+}
+
 // point[0], point[1], point[2] -> new x, new y, new z
-void	draw_lines(t_fdf *fdf, int i, int j)
+void	draw_point_n_lines(t_fdf *fdf, int i, int j)
 {
 	int *point_start;
 	int *point_end;
 
 	point_start = new_coordinates(fdf, i, j);
-	point_end = new_coordinates(fdf, i, j);
-	draw_color_pixel(fdf, point_start[0], point_start[1], point_start[2]);
+	point_end = NULL;
+	if (i + 1 < fdf->map_width)
+		point_end = new_coordinates(fdf, i + 1, j);
+	draw_lines(fdf, point_start, point_end);
 }
 
 void	draw_image(t_fdf *fdf)
@@ -38,7 +89,7 @@ void	draw_image(t_fdf *fdf)
 	{
 		i = -1;
 		while (++i < fdf->map_width)
-			draw_lines(fdf, i, j);
+			draw_point_n_lines(fdf, i, j);
 	}
 	// put image on screen
 	mlx_put_image_to_window(fdf->mlx_ptr, fdf->win_ptr, fdf->img_ptr, 0, 0);