diff --git a/README.md b/README.md
index da4cdd1..6a8d4fe 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 quick description
 
-- [test](./fdf_subject.pdf)
+- [subject here](./fdf_subject.pdf)
 
 
 ### ressources
diff --git a/srcs/fdf.c b/srcs/fdf.c
index 9895b57..7b7b60f 100644
--- a/srcs/fdf.c
+++ b/srcs/fdf.c
@@ -12,27 +12,6 @@ void	rotation_state(t_fdf *fdf);
 int		**parse_map(t_fdf *fdf);
 int		*new_coordinates(t_fdf *fdf, int i, int j);
 
-// return an int[3] : int[0] = x, int[1] = y, int[2] = z
-int	*new_coordinates(t_fdf *fdf, int i, int j)
-{
-	int x;
-	int y;
-	int z;
-	int	*point;
-
-	point = ft_calloc(3, sizeof(int));
-	x = i * fdf->offset - (fdf->map_size_x / 2);
-	y = j * fdf->offset - (fdf->map_size_y / 2);
-	z = fdf->map[j][i] * fdf->altitude;
-	point[0] = x * cos(fdf->rad_x) + y * sin(fdf->rad_x);
-	point[1] = y * cos(fdf->rad_x) - x * sin(fdf->rad_x);
-	point[1] = point[1] * cos(fdf->rad_y) - -z * sin(fdf->rad_y);
-	point[0] += fdf->margin + fdf->mov_x + (fdf->map_size_x / 2);
-	point[1] += fdf->margin + fdf->mov_y + (fdf->map_size_y / 2);
-	point[2] = z;
-	return (point);
-}
-
 // point[0], point[1], point[2] -> new x, new y, new z
 void	draw_lines(t_fdf *fdf, int i, int j)
 {
@@ -84,6 +63,27 @@ int		main(int ac, char **av)
 	return (0);
 }
 
+// return an int[3] : int[0] = x, int[1] = y, int[2] = z
+int	*new_coordinates(t_fdf *fdf, int i, int j)
+{
+	int x;
+	int y;
+	int z;
+	int	*point;
+
+	point = ft_calloc(3, sizeof(int));
+	x = i * fdf->offset - (fdf->map_size_x / 2);
+	y = j * fdf->offset - (fdf->map_size_y / 2);
+	z = fdf->map[j][i] * fdf->altitude;
+	point[0] = x * cos(fdf->rad_x) + y * sin(fdf->rad_x);
+	point[1] = y * cos(fdf->rad_x) - x * sin(fdf->rad_x);
+	point[1] = point[1] * cos(fdf->rad_y) - -z * sin(fdf->rad_y);
+	point[0] += fdf->margin + fdf->mov_x + (fdf->map_size_x / 2);
+	point[1] += fdf->margin + fdf->mov_y + (fdf->map_size_y / 2);
+	point[2] = z;
+	return (point);
+}
+
 int		keypress(int keycode, t_fdf *fdf)
 {
 	if (keycode == ESCAPE)