Improved FollowPositionRIg for UnityEvent usage

Runtime/Rigs/FollowPositionRig.cs

 
 public class FollowPositionRig : MonoBehaviour
 {
-    public Transform Target;
+    public Transform target => m_Target;
+
+    [SerializeField]
+    protected Transform m_Target;
-        if(Target != null)
+        if(m_Target != null)
-            var delta = Target.position - transform.position;
+            var delta = m_Target.position - transform.position;
+    }
+
+    public void SetTarget(Transform target)
+    {
+        m_Target = target;
     }
 
 }