Mecanim with A* Pathfinding Project

    using UnityEngine;
    using System.Collections;
    using Pathfinding;

    public class AgentAStar : MonoBehaviour {

        public GameObject           particle;
        protected Seeker            seeker;
        protected Animator          animator;

        protected Locomotion locomotion;
        protected Object particleClone;

        // The calculated path
        public Path path;

        // The AI's speed per second
        public float speed = 1;

        // The max distance from the AI to a waypoint for it to continue to the next waypoint
        public float nextWaypointDistance = 3;

        // The waypoint we are currently moving towards
        private int currentWaypoint = 0;

        // Use this for initialization
        void Start ()
        {
            seeker = GetComponent<Seeker>();

            animator = GetComponent<Animator>();
            locomotion = new Locomotion(animator);

            particleClone = null;
        }

        protected void SetDestination()
        {
            // Construct a ray from the current mouse coordinates
            var ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            RaycastHit hit = new RaycastHit();
            if (Physics.Raycast(ray, out hit))
            {
                if (particleClone != null)
                {
                    GameObject.Destroy(particleClone);
                    particleClone = null;
                }

                // Create a particle if hit
                Quaternion q = new Quaternion();
                q.SetLookRotation(hit.normal, Vector3.forward);
                particleClone = Instantiate(particle, hit.point, q);

                //$$ agent.destination = hit.point;
                seeker.StartPath (transform.position, hit.point, OnPathComplete);
            }
        }

        public void OnPathComplete (Path p)
        {
            Debug.Log ("Yey, we got a path back (error = " + p.error + ")\n");
            if (!p.error)
            {
                path = p;

                // Reset the waypoint counter
                currentWaypoint = 0;
            }
        }

        protected void SetupAgentLocomotion()
        {
            if (path == null)
            {
                locomotion.Do(0, 0);
                if (particleClone != null)
                {
                    GameObject.Destroy(particleClone);
                    particleClone = null;
                }
            }
            else
            {
                // Direction to the next waypoint
                Vector3 desiredVelocity = (path.vectorPath[currentWaypoint] - transform.position).normalized;

                // Check if we are close enough to the next waypoint
                // If we are, proceed to follow the next waypoint
                if (Vector3.Distance (transform.position,path.vectorPath[currentWaypoint]) < nextWaypointDistance)
                {
                    currentWaypoint++;
                    if (currentWaypoint < path.vectorPath.Count)
                    {
                        Debug.Log ("Move to next waypoint : " + currentWaypoint + "\n");
                    }
                    else
                    {
                        Debug.Log ("End Of Path Reached\n");
                        path = null;
                    }

                }

                desiredVelocity *= speed ;

                Vector3 velocity = Quaternion.Inverse(transform.rotation) * desiredVelocity; // desiredVelocity

                float angle = Mathf.Atan2(velocity.x, velocity.z) * 180.0f / 3.14159f;

                locomotion.Do(speed, angle);
            }
        }

        void OnAnimatorMove()
        {
            transform.Translate (animator.deltaPosition, Space.World);
            transform.rotation = animator.rootRotation;
        }

        // Update is called once per frame
        void Update ()
        {
            if (Input.GetButtonDown ("Fire1"))
            {
                if (path != null)
                {
                    Debug.Log ("Path canceled (currentWaypoint = " + currentWaypoint + "/" + path.vectorPath.Count + ")\n");
                    path = null;
                }
                SetDestination();
            }

            SetupAgentLocomotion();
        }
    }