diff --git a/src/pipes_test.c b/src/pipes_test.c
index 8d31022..e3a3a30 100644
--- a/src/pipes_test.c
+++ b/src/pipes_test.c
@@ -4,6 +4,9 @@
 #include <unistd.h>
 #include <sys/wait.h>
 
+#include <sys/ioctl.h>
+#include <termio.h>
+
 #define DEBUGGER_PIPES_TO_NUMBERS 0
 #define DEBUGGER_RANDOM 0
 
@@ -12,12 +15,12 @@
 #define INFILL_Y_PIPE 2
 #define FILLER "░"                      // ░
 
-#define GRID_GROESSE_X 200              // x:y -> 2:1 for a square looking grid
-#define GRID_GROESSE_Y 60
+// #define GRID_GROESSE_X 200              // x:y -> 2:1 for a square looking grid
+// #define GRID_GROESSE_Y 60
 #define MIN_LAENGE_PIPE 6
 #define MAX_LAENGE_PIPE 6
-#define SLEEP_TIMER 10000              // in nano seconds
-#define COLOR_CHANGING_PROBABILITY 10   // format: "(1 : your_number)", for every direction change
+#define SLEEP_TIMER 5000              // in nano seconds
+#define COLOR_CHANGING_PROBABILITY 5   // format: "(1 : your_number)", for every direction change
 
 #define RESET_COLOR "\033[0m"
 #define RED "\033[31m"
@@ -35,6 +38,23 @@ void random_color() {
     color = colors[rand() % (sizeof(colors) / sizeof(colors[0]))];
 }
 
+int getch_directions(){ 
+    int ch;
+    struct termios oldattr, newattr;
+
+    tcgetattr(STDIN_FILENO, &oldattr);
+    newattr = oldattr;
+    newattr.c_lflag &= ~ICANON;
+    newattr.c_lflag &= ~ECHO;
+    newattr.c_cc[VMIN] = 1;
+    newattr.c_cc[VTIME] = 0;
+    tcsetattr(STDIN_FILENO, TCSANOW, &newattr);
+    ch = getchar();
+    tcsetattr(STDIN_FILENO, TCSANOW, &oldattr);
+
+    return ch; 
+}
+
 void print_grid(int x, int y, char **grid) {
     for (int i = 0; i < y; i++) {
         printf("\n");
@@ -169,6 +189,9 @@ void generate_pipe_x(int x, int y, char **grid, int *x_start, int *y_start, int
 void generate_pipe_y(int x, int y, char **grid, int *x_start, int *y_start, int laenge) {
     if(laenge < 0){
         for (int i = *y_start; i > *y_start + laenge/2; i--) {
+            if (i <= 0) {
+                return;
+            }
             grid[i][*x_start] = INFILL_Y_PIPE;
             printf("\33[H\033[J");
             print_grid(x, y, grid);
@@ -176,6 +199,9 @@ void generate_pipe_y(int x, int y, char **grid, int *x_start, int *y_start, int
         }
     } else{
         for (int i = *y_start; i < *y_start + laenge/2; i++) {
+            if (i <= 0) {
+                return;
+            }
             grid[i][*x_start] = INFILL_Y_PIPE;
             printf("\33[H\033[J");
             print_grid(x, y, grid);
@@ -195,7 +221,7 @@ void generate_pipe_y(int x, int y, char **grid, int *x_start, int *y_start, int
     *y_start += laenge/2;
 }
 
-int main_program() {
+int main_program(int GRID_GROESSE_X, int GRID_GROESSE_Y) {
 
     int x_start = GRID_GROESSE_X / 2;
     int y_start = GRID_GROESSE_Y / 2;
@@ -218,27 +244,45 @@ int main_program() {
         }
     }
     
-    int richtungswechsler = 1;
-    
+    //int richtungswechsler = 1;
+     
     while (!DEBUGGER_RANDOM) {
 
         if ((rand() %color_c_p) <= 1) {
             random_color();
         }
 
-        if ((rand() %2)-1) {
-            laenge = ((rand() %max_l)+min_l);
-        } else {
-            laenge = ((rand() %max_l)+min_l)*-1;
-        }
-        if (richtungswechsler == 1) {
-            generate_pipe_x(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge);
-            richtungswechsler *= -1;
-        } else {
-            generate_pipe_y(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge);
-            richtungswechsler *= -1;
+        laenge = ((rand() %max_l)+min_l);
+        
+        //if ((rand() %2)-1) {
+        //    laenge = ((rand() %max_l)+min_l);
+        //} else {
+        //    laenge = ((rand() %max_l)+min_l)*-1;
+        //}
+
+        char key_input = (char)getch_directions();
+
+        switch (key_input) {
+            case 'h': generate_pipe_x(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge * -1); break;
+            case 'a': generate_pipe_x(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge * -1); break;
+            case 'l': generate_pipe_x(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge); break;
+            case 'd': generate_pipe_x(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge); break;
+            case 'j': generate_pipe_y(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge); break;
+            case 's': generate_pipe_y(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge); break;
+            case 'k': generate_pipe_y(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge * -1); break;
+            case 'w': generate_pipe_y(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge * -1); break;
+            default: return 0;
         }
 
+
+       // if (richtungswechsler == 1) {
+       //     generate_pipe_x(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge);
+       //     richtungswechsler *= -1;
+       // } else {
+       //     generate_pipe_y(GRID_GROESSE_X, GRID_GROESSE_Y, grid, &x_start, &y_start, laenge);
+       //     richtungswechsler *= -1;
+       // }
+
     }
 
     if (DEBUGGER_RANDOM) {
@@ -256,22 +300,27 @@ int main_program() {
 
 
     for (int i = 0; i < GRID_GROESSE_Y; i++) {
-           free(grid[i]);
-       }
-       free(grid);
+        free(grid[i]);
+        }
+        free(grid);
 
     return 0;
 }
 
-int pipes() {
+
+int pipes(int GRID_GROESSE_X, int GRID_GROESSE_Y) {
+//int main() {
+    //int GRID_GROESSE_X = 100;
+    //int GRID_GROESSE_Y = 50;
     pid_t pid;
     int status;
 
     while (1) {
+
         pid = fork(); // Erzeuge einen neuen Prozess
         if (pid == 0) {
             // Kindprozess führt die Hauptlogik aus
-            main_program();
+            main_program(GRID_GROESSE_X, GRID_GROESSE_Y);
             exit(0); // Normales Beenden, falls kein Fehler
         } else if (pid > 0) {
             // Elternprozess wartet auf das Kind