Unityのタッチしたらエフェクト出すコンポーネント。

TouchParticleController.cs

using UnityEngine;
using System.Linq;
using System.Collections;
using System.Collections.Generic;

public class TouchParticleController : MonoBehaviour {

	public enum TouchState{
		Touch,Untouch
	}
	public Transform particleAnchor;
	public List<ParticleSystem> particles;
	public Camera cam;
	public TouchState __state = TouchState.Untouch;
	public TouchState state{
		set{
			if(this.__state == value) return;
			this.__state = value;
			StartCoroutine( EmissionChangeAfterOneFrame( (value == TouchState.Touch ) );
		}
		get{ return this.__state;}
	}
	IEnumerator EmissionChangeAfterOneFrame( bool _isEmit ){
		yield return null;
		particles.ForEach( c => c.enableEmission = _isEmit );
	}

	// Use this for initialization
	void Start () {
		this.state = TouchState.Untouch;
		if( this.cam == null )
			this.cam = gameObject.GetComponent<Camera>() as Camera;
	}
	// Update is called once per frame
	void Update () {
		# if UNITY_EDITOR
		if ( Input.GetMouseButton(0) ) {
			var pos = Input.mousePosition;
		# else
		if (Input.touchCount > 0 && ( Input.GetTouch(0).phase == TouchPhase.Began) || ( Input.GetTouch(0).phase == TouchPhase.Moved) ) {
			var pos = Input.GetTouch(0).position;
		# endif
			Ray ray = this.cam.ScreenPointToRay(pos);
			particleAnchor.position = new Vector3(ray.origin.x,ray.origin.y, 200f);
			this.state = TouchState.Touch;
		}else{
			this.state = TouchState.Untouch;
		}

	}



}