diff --git a/CMakeLists.txt b/CMakeLists.txt
index 542a455..e23db3e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.6)
 project(fdf)
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror -Wextra -O3")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror -Wextra")
 
 include_directories(inc libft/includes minilibx) # headers
 link_directories(libft minilibx) # libraries
@@ -21,7 +21,9 @@ set(SOURCE_FILES
         src/map_routine.c
         src/mat4_init_funcs.c
         src/mat4_operations.c
-        src/matrix_routine.c src/map_movement.c) # sources
+        src/matrix_routine.c
+        src/map_movement.c
+        src/parse_input.c) # sources
 
 add_executable(fdf ${SOURCE_FILES}) # compilation
 
diff --git a/inc/fdf.h b/inc/fdf.h
index 9a5ad71..5f2d839 100644
--- a/inc/fdf.h
+++ b/inc/fdf.h
@@ -129,7 +129,7 @@ t_mat4 			*viewport_mat_init(int x, int y);
 
 t_mat4			*orth_mat_init(float r, float t, float f);
 void			initial_trnsf_mats(t_FDF *FDF);
-void			mat4_mult_chain(t_FDF *FDF);
+void			mat4_mult_chain(t_trnsf *tf);
 void			viewport_projection_translate(t_trnsf *tf);
 void			mat4_translate(t_mat4 *m, double x, double y, double z);
 void			mat4_scale(t_mat4 *m, double x, double y, double z);
diff --git a/src/help_func.c b/src/help_func.c
index ed82078..a819918 100644
--- a/src/help_func.c
+++ b/src/help_func.c
@@ -19,6 +19,7 @@ void	swap_init(t_swap *s)
 	s->swap_coord = 0;
 	s->swap_x = 1;
 	s->swap_z = 0;
+
 }
 
 void	print_help(void)
@@ -41,11 +42,11 @@ int 	tab_length(char **tab)
 	int 	len;
 
 	len = 0;
-	while (*tab)
-	{
-		tab++;
-		if (*tab)
+	if (tab)
+		while (*tab)
+		{
+			tab++;
 			len++;
-	}
+		}
 	return (len);
 }
\ No newline at end of file
diff --git a/src/line.c b/src/line.c
index 9e6c652..8ca35ee 100644
--- a/src/line.c
+++ b/src/line.c
@@ -83,7 +83,7 @@ void	line(t_pnt p1, t_pnt p2, t_FDF *FDF)
 	if (p1.z > p2.z)
 	{
 		swap_z(&p1, &p2);
-		swap.swap_z = 1;
+		swap.swap_z = -1;
 	}
 	line.p1 = p1;
 	line.p2 = p2;
diff --git a/src/main.c b/src/main.c
index 8873d8f..94b4eae 100644
--- a/src/main.c
+++ b/src/main.c
@@ -9,7 +9,7 @@ int		main(int argc, char **argv)
 	center(FDF->map);
 	initial_trnsf_mats(FDF);
 	viewport_projection_translate(FDF->map->trnsf);
-	mat4_mult_chain(FDF);
+	mat4_mult_chain(FDF->map->trnsf);
 	transform(FDF->map->trnsf->fin, FDF->map);
 	render(FDF);
 	mlx_hook(FDF->mw->win, 2, 5, key_hook, FDF);
diff --git a/src/map_init.c b/src/map_init.c
index 2b9e509..2b32c72 100644
--- a/src/map_init.c
+++ b/src/map_init.c
@@ -1,5 +1,26 @@
 #include "fdf.h"
 
+int 	wrong_symbols(char **line)
+{
+	char	*tmp;
+
+	tmp = *line;
+	while (*tmp)
+	{
+		while ((*tmp == '-' || (*tmp >= '0' && *tmp <= '9') || *tmp == ',' || *tmp == 'x')  && *tmp)
+			tmp++;
+		if (!tmp)
+			return (1);
+	}
+	return (0);
+}
+
+void	wrong_map(void)
+{
+	ft_putstr("Wrong map!\n");
+	quit(0);
+}
+
 char	*to_str_map(char *path)
 {
 	int 	fd;
@@ -13,11 +34,25 @@ char	*to_str_map(char *path)
 int 	map_width(char **tab)
 {
 	int 	width;
+	int 	width_tmp;
 	char 	**line_tab;
 
 	line_tab = ft_strsplit(*tab, ' ');
 	width =	tab_length(line_tab);
-	free_tab(line_tab);
+	width_tmp = width;
+	tab++;
+	while (*tab)
+	{
+		if ((line_tab = ft_strsplit(*tab, ' ')))
+		{
+			if (wrong_symbols(line_tab))
+				wrong_map();
+			if ((width = tab_length(line_tab)) != width_tmp)
+				wrong_map();
+		}
+		free_tab(line_tab);
+		tab++;
+	}
 	return (width);
 }
 
@@ -38,14 +73,14 @@ void	to_vec_arr(char **tab, t_map *map)
 
 	map->y_max = tab_length(tab);
 	map->x_max = map_width(tab);
-	map->arr_vec = malloc(sizeof(t_vec *) * (map->y_max + 1));
+	map->arr_vec = malloc(sizeof(t_vec *) * (map->y_max));
 	i = 0;
-	while (i <= map->y_max)
+	while (i < map->y_max)
 	{
 		j = 0;
 		line = ft_strsplit(tab[i], ' ');
-		map->arr_vec[i] = malloc(sizeof(t_vec) * (map->x_max + 1));
-		while (j <= map->x_max)
+		map->arr_vec[i] = malloc(sizeof(t_vec) * (map->x_max));
+		while (j < map->x_max)
 		{
 			map->arr_vec[i][j].z = ft_atoi(line[j]);
 			map->arr_vec[i][j].x = j;
@@ -73,6 +108,8 @@ t_map	*map_init(char *path)
 	map->scale[0] = 1;
 	map->scale[1] = 1;
 	map->scale[2] = 1;
+	map->low = NULL;
+	map->high = NULL;
 	if (!(str_map = to_str_map(path)))
 	{
 		ft_putstr("Wrong path to a map! For help help put \"fdf --help\"\n");
@@ -83,4 +120,4 @@ t_map	*map_init(char *path)
 	free(str_map);
 	free_tab(tab_map);
 	return (map);
-}
\ No newline at end of file
+}
diff --git a/src/map_movement.c b/src/map_movement.c
index c58259a..6cd8f1b 100644
--- a/src/map_movement.c
+++ b/src/map_movement.c
@@ -3,7 +3,7 @@
 void	move(t_FDF *FDF)
 {
 	recalculate_trnsf_matrs(FDF->map);
-	mat4_mult_chain(FDF);
+	mat4_mult_chain(FDF->map->trnsf);
 	transform(FDF->map->trnsf->fin, FDF->map);
 	mlx_destroy_image(FDF->mw->mlx, FDF->image);
 	FDF->image = mlx_new_image(FDF->mw->mlx, WIDTH, HEIGHT);
diff --git a/src/map_routine.c b/src/map_routine.c
index 00daad9..ed9b82a 100644
--- a/src/map_routine.c
+++ b/src/map_routine.c
@@ -6,10 +6,10 @@ void	transform(t_mat4 *mat, t_map *map)
 	int 	j;
 
 	i = 0;
-	while (i <= map->y_max)
+	while (i < map->y_max)
 	{
 		j = 0;
-		while (j <= map->x_max)
+		while (j < map->x_max)
 		{
 			vec_mat_mult(mat, &map->arr_vec[i][j], &map->arr_pnt[i][j]);
 			j++;
@@ -30,10 +30,10 @@ void	center(t_map *map)
 	d_y = map->y_max / 2.0f;
 	d_z = map->z_max / 2.0f;
 	i = 0;
-	while (i <= map->y_max)
+	while (i < map->y_max)
 	{
 		j = 0;
-		while (j <= map->x_max)
+		while (j < map->x_max)
 		{
 			map->arr_vec[i][j].z -= d_z;
 			map->arr_vec[i][j].x -= d_x;
diff --git a/src/matrix_routine.c b/src/matrix_routine.c
index 42b60ee..6e04cdd 100644
--- a/src/matrix_routine.c
+++ b/src/matrix_routine.c
@@ -54,12 +54,10 @@ void	viewport_projection_translate(t_trnsf *tf)
 	free(tmp);
 }
 
-void	mat4_mult_chain(t_FDF *FDF)
+void	mat4_mult_chain(t_trnsf *tf)
 {
-	t_trnsf		*tf;
 	t_mat4		*tmp;
 
-	tf = FDF->map->trnsf;
 	tmp = tf->fin;
 	tf->fin = mat4_mult(tf->zr, tf->vp_pr_tr);
 	free(tmp);
diff --git a/src/parse_input.c b/src/parse_input.c
index 75bca8b..d3c4dfc 100644
--- a/src/parse_input.c
+++ b/src/parse_input.c
@@ -37,14 +37,14 @@ static void	parse_heatmap(char *hm, t_color **low, t_color **high)
 	*low = malloc(sizeof(t_color));
 	*high = malloc(sizeof(t_color));
 	hm_tab = ft_strsplit(hm, '-');
-	if ((tab_length(hm_tab) != 1))
+	if ((tab_length(hm_tab) != 2))
 	{
 		wrong_heatmap(low, high);
 		return ;
 	}
 	low_tab = ft_strsplit(hm_tab[0], ',');
 	high_tab = ft_strsplit(hm_tab[1], ',');
-	if (tab_length(low_tab) != 2 || tab_length(high_tab) != 2)
+	if (tab_length(low_tab) != 3 || tab_length(high_tab) != 3)
 	{
 		wrong_heatmap(low, high);
 		return ;
diff --git a/src/pnt_init.c b/src/pnt_init.c
index b525783..262e634 100644
--- a/src/pnt_init.c
+++ b/src/pnt_init.c
@@ -6,13 +6,13 @@ void	pnt_init(t_map *map)
 	int 	j;
 	float 	z;
 
-	map->arr_pnt = malloc(sizeof(t_pnt *) * (map->y_max + 1));
+	map->arr_pnt = malloc(sizeof(t_pnt *) * (map->y_max));
 	i = 0;
-	while (i <= map->y_max)
+	while (i < map->y_max)
 	{
-		map->arr_pnt[i] = malloc(sizeof(t_pnt) * (map->x_max + 1));
+		map->arr_pnt[i] = malloc(sizeof(t_pnt) * (map->x_max));
 		j = 0;
-		while (j <= map->x_max)
+		while (j < map->x_max)
 		{
 			z = map->arr_vec[i][j].z - map->z_min;
 			map->arr_pnt[i][j].z = z;
diff --git a/src/render.c b/src/render.c
index 5679ade..1fd1c79 100644
--- a/src/render.c
+++ b/src/render.c
@@ -8,16 +8,16 @@ void	render(t_FDF *FDF)
 
 	map = FDF->map;
 	i = 0;
-	while (i <= map->y_max)
+	while (i < map->y_max)
 	{
 		j = 0;
-		while (j <= map->x_max)
+		while (j < map->x_max)
 		{
-			if (i == map->y_max && j < map->x_max)
+			if (i == map->y_max - 1 && j < map->x_max - 1)
 				line(map->arr_pnt[i][j], map->arr_pnt[i][j + 1], FDF);
-			else if (i < map->y_max && j == map->x_max)
+			else if (i < map->y_max - 1 && j == map->x_max - 1)
 				line(map->arr_pnt[i][j], map->arr_pnt[i + 1][j], FDF);
-			else if (i < map->y_max && j < map->x_max)
+			else if (i < map->y_max - 1 && j < map->x_max - 1)
 			{
 				line(map->arr_pnt[i][j], map->arr_pnt[i + 1][j], FDF);
 				line(map->arr_pnt[i][j], map->arr_pnt[i][j + 1], FDF);
@@ -27,30 +27,4 @@ void	render(t_FDF *FDF)
 		i++;
 	}
 	mlx_put_image_to_window(FDF->mw->mlx, FDF->mw->win, FDF->image, 0, 0);
-}
-
-//	usleep(10000000);
-
-//	int i = 0;
-//	while (i < 720)
-//	{
-//		usleep(14000);
-//		mlx_destroy_image(FDF->mw->mlx, FDF->image);
-//		FDF->image = mlx_new_image(FDF->mw->mlx, FDF->w_height, FDF->w_height);
-//		FDF->image_data = mlx_get_data_addr(
-//				FDF->image,
-//				&FDF->bpp,
-//				&FDF->line_size,
-//				&FDF->endian);
-//		tmp = tf->vp_pr_tr;
-//		mat4_x_rot(tf->xr, 30);
-//		mat4_z_rot(tf->zr, -45 + i);
-//		mat4_y_rot(tf->yr, -20 + i);
-//		tmp = mat4_mult(tf->zr, tmp);
-//		tmp = mat4_mult(tf->xr, tmp);
-//		tmp = mat4_mult(tf->yr, tmp);
-//		tmp = mat4_mult(tf->sc, tmp);
-//		transform(tmp, FDF->map);
-//		draw(FDF);
-//		i++;
-//	}
+}
\ No newline at end of file