Combined initial character scripts and added animation controller.

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Assets/script/HeroAttackController.cs

 using UnityEngine;
 using System.Collections;
 
-public class Player : MonoBehaviour {
+public class HeroAttackController : MonoBehaviour {
 
     enum ability {fireball, water, others };
 
@@ -25,12 +25,11 @@ public class Player : MonoBehaviour {
                     break;
             }
 
+        }
         if (Input.GetButtonDown("Fire2")){
                 Debug.Log("melee");
         }
     }
-
-    }
        
 }
 

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Assets/script/PlayerAnimation.cs

+using UnityEngine;
+using System.Collections;
+
+public class PlayerAnimation : MonoBehaviour {
+
+    private Animator animator;
+    private Vector2 lastInput = new Vector2(1, 1);
+    private int horizontalDir = 1;
+
+	// Use this for initialization
+	void Start () {
+        animator = GetComponent<Animator>();
+    }
+	
+	// Update is called once per frame
+	void Update () {
+        AminateMovement();
+    }
+
+    void AminateMovement() {
+        Vector2 input = new Vector2(Input.GetAxisRaw("Horizontal"), Input.GetAxisRaw("Vertical"));
+        if (Mathf.Abs(input.x) > 0 || Mathf.Abs(input.y) > 0) {
+            lastInput.x = input.x;
+            lastInput.y = input.y;
+        }
+        if(lastInput.x < 0 && input.y == 0) {
+            horizontalDir = -1;
+        }else {
+            horizontalDir = 1;
+        }
+
+        animator.SetFloat("X", Mathf.Abs(lastInput.x));
+        animator.SetFloat("Y", lastInput.y);
+        Vector2 scale = transform.localScale;
+        scale.x = horizontalDir;
+        transform.localScale = scale;
+    }
+}

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