AgentControlledByJoystick.cs

using UnityEngine;
using UnitySampleAssets.CrossPlatformInput;

/// <summary>
/// バーチャルジョイスティックでNavMeshAgentを操作
/// NavMeshAgent にアタッチして使用
/// </summary>
public class AgentControlledByJoystick : MonoBehaviour {

    /// <summary>
    /// 目的地表示用マーカー
    /// </summary>
    public Transform destinationMarker;

    NavMeshAgent agent;

    void Awake()
    {
        agent = GetComponent<NavMeshAgent>();
    }

    void Update()
    {
        float x = CrossPlatformInputManager.GetAxisRaw ("Horizontal");
        float z = CrossPlatformInputManager.GetAxisRaw ("Vertical");

        Vector3 destinationPos = transform.position + new Vector3(x, 0, z);
        agent.SetDestination(destinationPos);

        if (destinationMarker)
        {
            destinationMarker.position = destinationPos;
        }
    }
}