HoloLens オブジェクト投げるスクリプト

ThrowingObject.cs

using System.Collections;
using System.Collections.Generic;
using HoloToolkit.Unity.InputModule;
using UnityEngine;

public class ThrowingObject : MonoBehaviour, IInputClickHandler
{

    public float thrust;
    public GameObject obj;

    // Use this for initialization
    void Start()
    {
        InputManager.Instance.AddGlobalListener(gameObject);
    }

    public void OnInputClicked(InputClickedEventData eventData)
    {
        GameObject clone = GameObject.Instantiate(obj);
        clone.transform.position = Camera.main.transform.TransformPoint(0.0f, 0.1f, 0.0f);
        Rigidbody rb = clone.GetComponent<Rigidbody>();
        rb.AddForce(Camera.main.transform.forward * thrust);
        rb.useGravity = true;
    }
}