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/*
* @author Valentin Simonov / http://va.lent.in/
*/
using System.Collections.Generic;
using TouchScript.Events;
using UnityEngine;
namespace TouchScript.Debugging
{
/// <summary>
/// Visual debugger to show touches as GUI elements.
/// </summary>
[AddComponentMenu("TouchScript/Touch Debugger")]
public class TouchDebugger : MonoBehaviour
{
#region Unity fields
/// <summary>
/// Texture to use.
/// </summary>
public Texture2D TouchTexture;
/// <summary>
/// Font color for touch ids.
/// </summary>
public Color FontColor;
#endregion
#region Private variables
private Dictionary<int, TouchPoint> dummies = new Dictionary<int, TouchPoint>();
#endregion
#region Unity
private void Start()
{
if (TouchManager.Instance != null)
{
TouchManager.Instance.TouchesBegan += OnTouchesBegan;
TouchManager.Instance.TouchesEnded += OnTouchesEnded;
TouchManager.Instance.TouchesMoved += OnTouchesMoved;
TouchManager.Instance.TouchesCancelled += OnTouchesCancelled;
}
}
private void OnGUI()
{
if (TouchTexture == null) return;
GUI.color = FontColor;
foreach (KeyValuePair<int, TouchPoint> dummy in dummies)
{
var x = dummy.Value.Position.x;
var y = Screen.height - dummy.Value.Position.y;
GUI.DrawTexture(new Rect(x - TouchTexture.width/2, y - TouchTexture.height/2, TouchTexture.width, TouchTexture.height), TouchTexture, ScaleMode.ScaleToFit);
GUI.Label(new Rect(x + TouchTexture.width, y - 9, 60, 25), dummy.Value.Id.ToString());
}
}
private void OnDestroy()
{
if (TouchManager.Instance != null)
{
TouchManager.Instance.TouchesBegan -= OnTouchesBegan;
TouchManager.Instance.TouchesEnded -= OnTouchesEnded;
TouchManager.Instance.TouchesMoved -= OnTouchesMoved;
TouchManager.Instance.TouchesCancelled -= OnTouchesCancelled;
}
}
#endregion
#region Private functions
private void updateDummy(TouchPoint dummy)
{
dummies[dummy.Id] = dummy;
}
#endregion
#region Event handlers
private void OnTouchesBegan(object sender, TouchEventArgs e)
{
if (!enabled) return;
foreach (var touchPoint in e.TouchPoints)
{
dummies.Add(touchPoint.Id, touchPoint);
}
}
private void OnTouchesMoved(object sender, TouchEventArgs e)
{
if (!enabled) return;
foreach (var touchPoint in e.TouchPoints)
{
TouchPoint dummy;
if (!dummies.TryGetValue(touchPoint.Id, out dummy)) return;
updateDummy(touchPoint);
}
}
private void OnTouchesEnded(object sender, TouchEventArgs e)
{
if (!enabled) return;
foreach (var touchPoint in e.TouchPoints)
{
TouchPoint dummy;
if (!dummies.TryGetValue(touchPoint.Id, out dummy)) return;
dummies.Remove(touchPoint.Id);
}
}
private void OnTouchesCancelled(object sender, TouchEventArgs e)
{
OnTouchesEnded(sender, e);
}
#endregion
}
}