using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    Camera cam;

    void Start()
    {
        cam = GetComponent<Camera>();
    }

    void Update()
    {
        Vector3 ojbectToScreenPos = cam.WorldToScreenPoint(3D物件.position);
        //Vector3 objectToscreenPos = cam.WorldToScreenPoint(transform.position);
        Debug.Log(ojbectToScreenPos);
    }
}