added finner z modification

includes/fdf.h

@@ -68,6 +68,11 @@ int		is_color(char *color);
 void	size_map(t_fdf *fdf, char *raw, int height);
 int		**parse_map(t_fdf *fdf, int fd);
 
+// steps size for the hight transform with p and o
+// must be > 0
+// 100 is small, 1 is the biggest
+# define Z_HIGHT			10
+
 # define ESCAPE			65307
 # define UP				65362
 # define DOWN			65364