using UnityEngine;
using System.Collections;

public class Ray : MonoBehaviour {

	// Use this for initialization
	void Start () {

	}

	// Update is called once per frame
	void Update () {
        if (Input.GetMouseButtonDown(0))
        {
            Vector3 mouse = Camera.main.ScreenToWorldPoint(Input.mousePosition);
            RaycastHit2D hit = Physics2D.Raycast(mouse, new Vector3(0, 0, 1), 100);

            // 可視化
            Debug.DrawRay(mouse, new Vector3(0, 0, 100), Color.blue, 1);

            // コンソール
            Debug.Log(hit.collider);
        }
    }
}