Unity TouchClickManager

TouchClickManager.cs

/*
GUIDES:
1. Attach it on "Main Camera" to use.
2. Bind your function to the system event OnCasted, OnBegan, OnMove, OnEnd
4. Make sure you add "using System.Collections.Generic" on the top of all your script

See example below "YouScript.cs"
*/
using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class TouchClickManager : MonoBehaviour {
	
	public delegate void RayEvent(TouchClickManager comp, RaycastHit hit);
	public event RayEvent OnCasted;

	public delegate void TouchClickEvent(List<Vector3> positions);
	public event TouchClickEvent OnBegan;
	public event TouchClickEvent OnMove;
	public event TouchClickEvent OnEnd;
	
	[HideInInspector]
	public bool touchBegan,touchMove,touchEnd,clickBegan,clickMove,clickEnd,cast;

	[HideInInspector]
	public List<int> instanceIDs;

	[HideInInspector]
	public RaycastHit hit;

	public List<Vector3> points;

	public int maxPoints;

	// Use this for initialization
	void Start () {
		instanceIDs = new List<int> ();
		points = new List<Vector3>();

		touchBegan = touchMove = touchEnd = clickBegan = clickMove = clickEnd = cast = false;
	}
	
	// Update is called once per frame
	void Update () {
		touchBegan = (Input.touchCount>0&&Input.GetTouch (0).phase == TouchPhase.Began);
		touchEnd = (Input.touchCount>0&&Input.GetTouch (0).phase == TouchPhase.Ended);
		clickBegan = Input.GetMouseButtonDown (0);
		clickEnd = Input.GetMouseButtonUp (0);

		cast = false;


		if(clickBegan)
		{
			clickMove = true;
		}
		if(touchBegan)
		{
			touchMove = true;
		}

		if(clickMove)
		{
			if(!points.Contains(Input.mousePosition) && points.Count<maxPoints)
			{
				points.Add(Input.mousePosition);
				checkCast(Input.mousePosition);
			}
		

			if(clickBegan)
				OnBegan(points);
		}

		if(touchMove)
		{
			if(!points.Contains(Input.mousePosition) && points.Count<maxPoints)
			{
				points.Add(Input.GetTouch (0).position);
				checkCast(Input.GetTouch (0).position);
			}

			if(touchBegan)
				OnBegan(points);
		}

		if((touchMove||clickMove) && points.Count>0)
		{
			OnMove(points);
		}

		if (clickEnd || touchEnd)
		{
			OnEnd (points);
			points.RemoveRange (0, points.Count);
			clickMove = false;
			touchMove = false;
		}
	}

	void OnEnable()
	{
		OnCasted += OnCastedCallback;
		OnBegan += OnBeganCallback;
		OnMove += OnMoveCallback;
		OnEnd += OnEndCallback;
	}

	void OnDisable()
	{
		OnCasted -= OnCastedCallback;
		OnBegan -= OnBeganCallback;
		OnMove -= OnMoveCallback;
		OnEnd -= OnEndCallback;
	}

	#region Callback
	void OnCastedCallback(TouchClickManager comp, RaycastHit hit)
	{
		Debug.Log ("TouchClickManager ... OnCasted.. "+hit.collider.name);
	}
	void OnBeganCallback(List<Vector3> points)
	{
		string log = "";
		log += "TouchClickManager ... OnBegan.. ";

		if (clickMove)
			log += "click";

		if (touchMove)
			log += "touch";


//		Debug.Log (log);
	}
	void OnMoveCallback(List<Vector3> points)
	{
//		Debug.Log ("TouchClickManager ... OnMove.. "+ points.Count);
	}
	void OnEndCallback(List<Vector3> points)
	{
		string log = "";
		log += "TouchClickManager ... OnEnd.. ";
		
		if (clickMove)
			log += "click";
		
		if (touchMove)
			log += "touch";
		
		
//		Debug.Log (log);
	}
	#endregion

	#region Helper
	void checkCast(Vector3 point)
	{
		cast = Physics.Raycast (Camera.main.ScreenPointToRay (point), out hit);
		
		if(cast)
		{
			OnCasted(this, hit);
		}
	}
	public void listSubject()
	{
		string log = "";

		log += instanceIDs.Count+" instanceIDs registered:\n";

		foreach(int instanceId in instanceIDs)
		{
			log+="# "+instanceId+"\n";
		}

		Debug.Log (log);
	}
	public void addSubject(int instanceId)
	{
		if(!instanceIDs.Contains(instanceId))
		{
			instanceIDs.Add(instanceId);
		}

		listSubject ();
	}
	public void removeSubject(int instanceId)
	{
		if (instanceIDs.Contains (instanceId))
			instanceIDs.Remove (instanceId);
	}
	#endregion
}


/*
CREDIT
 ihsanberahim.com
 fiction-labs.com
 pkmedia.com.my
*/

YouScript.cs

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

public class GameSystem : MonoBehaviour {

	public TouchClickManager pointClass;
	
	void Start()
	{
		pointClass = GameObject.Find("Main Camera").GetComponent("TouchClickManager");
	}
	
	void OnEnable()
	{
		pointClass.OnBegan += onceClick;
		pointClass.OnMove += whenMove;
		pointClass.OnEnd += afterRelease;
		pointClass.OnCasted += pointTouchObject;
	}
	void OnDisable()
	{
		pointClass.OnBegan -= onceClick;
		pointClass.OnMove -= whenMove;
		pointClass.OnEnd -= afterRelease;
		pointClass.OnCasted -= pointTouchObject;
	}
	
	#region Helper
	void onceClick(List<Vector3> positions)
	{
		//Do something here
	}
	void whenMove(List<Vector3> positions)
	{
		//Do something here
	}
	void afterRelease(List<Vector3> positions)
	{
		//Do something here
	}
	void pointTouchObject(TouchClickManager comp, RaycastHit hit)
	{
		if(hit.collider.name=="MyGameObjectNameHere")
		{
			//Do something here
		}
	}
	#endregion
}