Added character animation and walk particles.

Assets/prefabs/Player.prefab.meta

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Assets/script/HeroMobility.cs

@@ -5,16 +5,18 @@ public class HeroMobility : MonoBehaviour {
 	public float playerSpeed = 1f;
 	private Rigidbody2D playerRB;
 	Animator anim;
+    private Vector2 lastPos;
+    public Vector2 deltaPos;
 
 	// Use this for initialization
 	void Start () {
 		playerRB = GetComponent<Rigidbody2D> ();
 		anim = GetComponent<Animator> ();
+        lastPos = playerRB.position;
+    }
 
-	}
-	
-	// Update is called once per frame
-	void Update () {
+    // Update is called once per frame
+    void FixedUpdate () {
 		Vector2 input = new Vector2(Input.GetAxisRaw("Horizontal"), Input.GetAxisRaw("Vertical"));
 		playerMove (input);
 
@@ -24,7 +26,9 @@ public class HeroMobility : MonoBehaviour {
 	void playerMove (Vector2 input){
 
 		//Controls hero movement in all 8 directions
-		playerRB.MovePosition((Vector2)transform.position + input*playerSpeed);
+		playerRB.MovePosition((Vector2)transform.position + input.normalized*playerSpeed);
+        deltaPos = playerRB.position - lastPos;
+        lastPos = playerRB.position;
 
-	}
+    }
 }

Assets/script/PlayerAnimation.cs

@@ -6,14 +6,16 @@ public class PlayerAnimation : MonoBehaviour {
     private Animator animator;
     private Vector2 lastInput = new Vector2(1, 1);
     private int horizontalDir = 1;
+    private HeroMobility hm;
 
-	// Use this for initialization
-	void Start () {
+    // Use this for initialization
+    void Start () {
         animator = GetComponent<Animator>();
+        hm = GetComponent<HeroMobility>();
     }
-	
-	// Update is called once per frame
-	void Update () {
+
+    // Update is called once per frame
+    void LateUpdate () {
         AminateMovement();
     }
 
@@ -31,6 +33,7 @@ public class PlayerAnimation : MonoBehaviour {
 
         animator.SetFloat("X", Mathf.Abs(lastInput.x));
         animator.SetFloat("Y", lastInput.y);
+        animator.SetFloat("DeltaPos", hm.deltaPos.magnitude);
         Vector2 scale = transform.localScale;
         scale.x = horizontalDir;
         transform.localScale = scale;

Assets/script/WalkParticles.cs

+using UnityEngine;
+using System.Collections;
+
+public class WalkParticles : MonoBehaviour {
+
+    private ParticleSystem ps;
+    private ParticleSystem.EmissionModule module;
+    private HeroMobility hm;
+
+
+    // Use this for initialization
+    void Start () {
+        ps = GetComponentInChildren<ParticleSystem>();
+        module = ps.emission;
+        hm = GetComponent<HeroMobility>();
+    }
+
+    // Update is called once per frame
+    void LateUpdate () {
+        if (hm.deltaPos.sqrMagnitude > 0) {
+            if (!ps.isPlaying) {
+                ps.Simulate(0.0f, true, false);
+                module.enabled = true;
+                ps.Play();
+            }
+        } else {
+            if (ps.isPlaying) {
+                module.enabled = false;
+                ps.Stop();
+            }
+        }
+    }
+}

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