Raycast基本

「マウスで選択したオブジェクト」を「ボタンを押すことで破壊」する。

＊基本スクリプト

using UnityEngine;
using System.Collections;

public class ray : MonoBehaviour {

	public GameObject effectPrefab;
	private GameObject target;

	void Start () {

	}

	void Update () {

		/*
		Vector3 fwd = transform.TransformDirection(Vector3.forward);

		if(Physics.Raycast(transform.position, fwd, 10)){
			print("there is somthing in front of the object.");
		}
		*/

		if(Input.GetButtonDown("Jump")){

			RaycastHit hit;
			Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);

			if(Physics.Raycast(ray, out hit)){

				target = hit.collider.gameObject;

				if(target.gameObject.CompareTag("Enemy")){
					Destroy(target, 0.1f);
					Instantiate(effectPrefab, target.transform.position, Quaternion.identity);
				}

				/*
				if(hit.collider != null){

					Destroy(target, 0.1f);
					Instantiate(effectPrefab, target.transform.position, Quaternion.identity);

					//hit.collider.enabled = false;
				}

				print("there is somthing.");
				*/
			}
		}
	}
}