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Assets/EasyTouchBundle/EasyTouch/Plugins/Engine/Gesture.cs

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+/***********************************************
+				EasyTouch V
+	Copyright © 2014-2015 The Hedgehog Team
+    http://www.thehedgehogteam.com/Forum/
+		
+	  The.Hedgehog.Team@gmail.com
+		
+**********************************************/
+using UnityEngine;
+using System.Collections;
+using System;
+
+namespace HedgehogTeam.EasyTouch{
+/// <summary>
+/// This is the class passed as parameter by EasyTouch events, that containing all informations about the touch that raise the event,
+/// or by the tow fingers gesture that raise the event.
+/// </summary>
+public class Gesture : BaseFinger,ICloneable{
+	
+	/// <summary>
+	/// The siwpe or drag  type ( None, Left, Right, Up, Down, Other => look at EayTouch.SwipeType enumeration).
+	/// </summary>
+	public EasyTouch.SwipeDirection swipe;	
+	/// <summary>
+	/// The length of the swipe.
+	/// </summary>
+	public float swipeLength;				
+	/// <summary>
+	/// The swipe vector direction.
+	/// </summary>
+	public Vector2 swipeVector;			
+
+	/// <summary>
+	/// The pinch length delta since last change.
+	/// </summary>
+	public float deltaPinch;	
+	/// <summary>
+	/// The angle of the twist.
+	/// </summary>
+	public float twistAngle;		
+	/// <summary>
+	/// The distance between two finger for a two finger gesture.
+	/// </summary>
+	public float twoFingerDistance;
+
+	public EasyTouch.EvtType type = EasyTouch.EvtType.None;
+	
+	#region public method
+	public object Clone(){
+		return this.MemberwiseClone();
+	}
+
+	
+	/// <summary>
+	/// Transforms touch position into world space, or the center position between the two touches for a two fingers gesture.
+	/// </summary>
+	/// <returns>
+	/// The touch to wordl point.
+	/// </returns>
+	/// <param name='z'>
+	/// The z position in world units from the camera or in world depending on worldZ value
+	/// </param>
+	/// <param name='worldZ'>
+	/// true = r
+	/// </param>
+	/// 
+	public Vector3 GetTouchToWorldPoint(float z){
+
+		return  Camera.main.ScreenToWorldPoint( new Vector3( position.x, position.y,z));	
+
+	}
+	
+	public Vector3 GetTouchToWorldPoint( Vector3 position3D){
+
+		return  Camera.main.ScreenToWorldPoint( new Vector3( position.x, position.y,Camera.main.transform.InverseTransformPoint(position3D).z));	
+	}
+
+
+	/// <summary>
+	/// Gets the swipe or drag angle. (calculate from swipe Vector)
+	/// </summary>
+	/// <returns>
+	/// Float : The swipe or drag angle.
+	/// </returns>
+	public float GetSwipeOrDragAngle(){
+		return Mathf.Atan2( swipeVector.normalized.y,swipeVector.normalized.x) * Mathf.Rad2Deg;	
+	}
+
+	/// <summary>
+	/// Normalizeds the position.
+	/// </summary>
+	/// <returns>
+	/// The position.
+	/// </returns>
+	public Vector2 NormalizedPosition(){
+		return new Vector2(100f/Screen.width*position.x/100f,100f/Screen.height*position.y/100f);	
+	}
+
+	/// <summary>
+	/// Determines whether this instance is over user interface element.
+	/// </summary>
+	/// <returns><c>true</c> if this instance is over user interface element; otherwise, <c>false</c>.</returns>
+	public bool IsOverUIElement(){
+		return EasyTouch.IsFingerOverUIElement( fingerIndex);
+	}
+
+	/// <summary>
+	/// Determines whether this instance is over rect transform the specified tr camera.
+	/// </summary>
+	/// <returns><c>true</c> if this instance is over rect transform the specified tr camera; otherwise, <c>false</c>.</returns>
+	/// <param name="tr">Tr.</param>
+	/// <param name="camera">Camera.</param>
+	public bool IsOverRectTransform(RectTransform tr,Camera camera=null){
+
+		if (camera == null){
+			return RectTransformUtility.RectangleContainsScreenPoint( tr,position,null);
+		}
+		else{
+			return RectTransformUtility.RectangleContainsScreenPoint( tr,position,camera);
+		}
+
+	}
+
+	/// <summary>
+	/// Gets the first picked user interface element.
+	/// </summary>
+	/// <returns>The first picked user interface element.</returns>
+	public GameObject GetCurrentFirstPickedUIElement(bool isTwoFinger=false){
+		return EasyTouch.GetCurrentPickedUIElement( fingerIndex,isTwoFinger);
+	}
+
+	/// <summary>
+	/// Gets the current picked object.
+	/// </summary>
+	/// <returns>The current picked object.</returns>
+	public GameObject GetCurrentPickedObject(bool isTwoFinger=false){
+		return EasyTouch.GetCurrentPickedObject( fingerIndex,isTwoFinger);
+	}
+	#endregion
+}
+}