added obstacles recognition

src/SnakeBot.java

         int leftIndex = centerIndex - 1;
         int rightIndex = centerIndex + 1;
 
-        frontIsBlocked = view.data.charAt(frontIndex) == '*';
-        backIsBlocked = view.data.charAt(backIndex) == '*';
-        leftIsBlocked = view.data.charAt(leftIndex) == '*';
-        rightIsBlocked = view.data.charAt(rightIndex) == '*';
+        char[] obstacles = {'#', '~', 'X', '*'};
+
+        frontIsBlocked = containsChar(obstacles, view.data.charAt(frontIndex));
+        backIsBlocked = containsChar(obstacles, view.data.charAt(backIndex));
+        leftIsBlocked = containsChar(obstacles, view.data.charAt(leftIndex));
+        rightIsBlocked = containsChar(obstacles, view.data.charAt(rightIndex));
+
         trapped = frontIsBlocked && backIsBlocked && leftIsBlocked && rightIsBlocked;
 
         if (trapped) {
         }
     }
 
+    private boolean containsChar(char[] array, char target) {
+        for (char c : array) {
+            if (c == target) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     private char checkMove(char move) throws Exception {
         if (frontIsBlocked) {
             resetMovesSequence();