Added a fireball prefab and script to spawn fireballs

Assets/Prefabs.meta

 fileFormatVersion: 2
-guid: 6d6525803f9c2de4e8233fc51322fdc5
+guid: 3fd9c01e8800fc54681146f720a0d04b
 folderAsset: yes
-timeCreated: 1476403153
+timeCreated: 1477008945
 licenseType: Free
 DefaultImporter:
   userData: 

Assets/script/FireballMove.cs

@@ -4,26 +4,22 @@ using System.Collections;
 public class FireballMove : MonoBehaviour {
 	public float speed;
 	private Rigidbody2D fireRB;
-	public int direction;
 	public Vector2 move;
 
 	// Use this for initialization
 	void Start () {
 		fireRB = GetComponent<Rigidbody2D> ();
-		/*
-		if (direction == 0)
-			move = new Vector2 (1,0);
-		if (direction == 1)
-			move = new Vector2 (0,1);
-		if (direction == 2)
-			move = new Vector2 (-1,0);
-		if (direction == 3)
-			move = new Vector2 (0,-1);
-			*/
+		fireRB.velocity = (move * speed);
+
 	}
 
 	// Update is called once per frame
 	void Update () {
-		fireRB.MovePosition((Vector2)transform.position + move*speed);
+		//fireRB.MovePosition((Vector2)transform.position + move*speed);
+	}
+
+	void OnCollisionEnter2D(Collision2D c){
+
+		Destroy (this.gameObject);
 	}
 }

Assets/script/HeroAttackController.cs

@@ -4,12 +4,14 @@ using System.Collections;
 public class HeroAttackController : MonoBehaviour {
 
     enum ability {fireball, water, others };
-	public int direction;
+	private int direction;
 	public float speed;
 
     private ability currentAbility = ability.fireball;
 	public GameObject FireballPrefab;
 
+	private Vector3 LastInput = new Vector3 (0, 1, 0);
+
 	// Use this for initialization
 	void Start () {
        
@@ -17,13 +19,26 @@ public class HeroAttackController : MonoBehaviour {
 
     // Update is called once per frame
     void Update(){
+        
+		Vector3 input = new Vector3 (Input.GetAxisRaw ("Horizontal"), Input.GetAxisRaw ("Vertical"), 0);
+
+		if (input.x == 0 && input.y == 0) {
+			//do nothing	
+		} else if (input.y != 0) {
+			LastInput = new Vector3 (0, input.y, 0);
+		} else {
+			LastInput = new Vector3 (input.x, 0, 0);
+		}
+
 		if (Input.GetButtonDown("Fire1")){
             switch (currentAbility)
             {
 			case ability.fireball:
-				GameObject clone = Instantiate (FireballPrefab, new Vector3 (0, 0, 0), Quaternion.identity) as GameObject;
-				clone.GetComponent<FireballMove> ().move = GetComponent<PlayerAnimation> ().lastInput;
-				clone.GetComponent<FireballMove> ().speed = speed;
+				Vector3 pos = GetComponent<Transform> ().position;
+
+					GameObject clone = Instantiate (FireballPrefab, pos, Quaternion.identity) as GameObject;
+					clone.GetComponent<FireballMove>().move = LastInput;
+					clone.GetComponent<FireballMove>().speed = speed;
 			
          	       Debug.Log("fireball");
               	  break;
@@ -38,5 +53,8 @@ public class HeroAttackController : MonoBehaviour {
         }
     }
 
+	public Vector3 GetLastDirection4(){
+		return LastInput;
+	}
 }