Add alternate arrows input mapping

Assets/Scripts/PlayerInputMapping.cs

 using UnityEngine;
 using System.Collections;
 using GamepadInput;
-public enum controlType : int { WASD = 0, ARROWS = 1, GAMEPAD1 = 2, GAMEPAD2 = 3, GAMEPAD3 = 4, GAMEPAD4 = 5 }
+public enum controlType : int { WASD = 0, ARROWS = 1, ARROWS2 = 6, GAMEPAD1 = 2, GAMEPAD2 = 3, GAMEPAD3 = 4, GAMEPAD4 = 5 }
 
 public class PlayerInputMapping : MonoBehaviour
 {
@@ -40,6 +40,18 @@ public class PlayerInputMapping : MonoBehaviour
         keyCodes[(int)Keys.Dash] = KeyCode.Backslash;
         keyCodes[(int)Keys.Shoot] = KeyCode.RightBracket;
         break;
+
+      case controlType.ARROWS2:
+        usesGamepad = false;
+        keyCodes[(int)Keys.Right] = KeyCode.RightArrow;
+        keyCodes[(int)Keys.Left] = KeyCode.LeftArrow;
+        keyCodes[(int)Keys.Up] = KeyCode.UpArrow;
+        keyCodes[(int)Keys.Jump] = keyCodes[(int)Keys.Up];
+        keyCodes[(int)Keys.Down] = KeyCode.DownArrow;
+        keyCodes[(int)Keys.Dash] = KeyCode.Hash;
+        keyCodes[(int)Keys.Shoot] = KeyCode.Plus;
+        break;
+
       case controlType.GAMEPAD1:
         gamepadIndex = GamePad.Index.One;
         break;