Allow dashing in arbitrary directions

Assets/Scripts/PlayerControl.cs

@@ -178,6 +178,14 @@ public class PlayerControl : MonoBehaviour
       }
 
       float verticalDashDirection = 0.0f;
+      if (Input.GetKey (keyCodes[(int)Keys.Up]))
+      {
+        verticalDashDirection = 1.0f;
+      }
+      else if (Input.GetKey (keyCodes[(int)Keys.Down]))
+      {
+        verticalDashDirection = -1.0f;
+      }
 
       if (horizontalDashDirection != 0.0f || verticalDashDirection != 0.0f)
         dashDirection = new Vector2(horizontalDashDirection, verticalDashDirection);