Unity项目导入EasyTouch插件

Assets\EasyTouchBundle\EasyTouch\Examples\4.X\SimpleExamples文件夹内有手指示例场景

自己的代码写

...
using HedgehogTeam.EasyTouch;//EasyTouch
.../// <summary>/// 当组件 可用/// </summary>void OnEnable(){StartGame();}/// <summary>/// 当组件不可用/// </summary>void OnDestroy(){UnsubscribeEvent();}/// <summary>/// 当组件不可用/// </summary>void OnDisable(){UnsubscribeEvent();}/// <summary>/// 取消订阅事件 Unsubscribe to events/// </summary>void UnsubscribeEvent(){EasyTouch.On_SwipeEnd -= On_SwipeEnd;EasyTouch.On_TouchStart2Fingers -= On_TouchStart2Fingers;EasyTouch.On_PinchIn -= On_PinchIn;EasyTouch.On_PinchOut -= On_PinchOut;EasyTouch.On_PinchEnd -= On_PinchEnd;}///// <summary>/// 单个手指 移动/// </summary>/// <param name="gesture"></param>void On_SwipeEnd(Gesture gesture){if (start){switch (gesture.swipe){case EasyTouch.SwipeDirection.DownLeft://单手指 向 下左 移动cameraMove(10, 10);break;case EasyTouch.SwipeDirection.UpLeft://单手指 向 上左 移动cameraMove(10, -10);break;case EasyTouch.SwipeDirection.Left://单手指 向 左 移动cameraMove(10, 0);break;case EasyTouch.SwipeDirection.DownRight://单手指 向 下右 移动cameraMove(-10, 10);break;case EasyTouch.SwipeDirection.UpRight://单手指 向 上右 移动cameraMove(-10, -10);break;case EasyTouch.SwipeDirection.Right://单手指 向 右 移动cameraMove(-10, 0);break;case EasyTouch.SwipeDirection.Up://单手指 向 上 移动cameraMove(0, -10);break;case EasyTouch.SwipeDirection.Down://单手指 向 下 移动cameraMove(0, 10);break;}}}/// <summary>/// 开始游戏，注册 事件/// </summary>public void StartGame(){start = true;EasyTouch.On_SwipeEnd += On_SwipeEnd;EasyTouch.On_TouchStart2Fingers += On_TouchStart2Fingers;EasyTouch.On_PinchIn += On_PinchIn;EasyTouch.On_PinchOut += On_PinchOut;EasyTouch.On_PinchEnd += On_PinchEnd;}#region 两个手指控制// At the 2 fingers touch beginningprivate void On_TouchStart2Fingers(Gesture gesture){}/// <summary>/// 两个手指 缩小/// </summary>/// <param name="gesture"></param>// At the pinch inprivate void On_PinchIn(Gesture gesture){}///// <summary>/// 两个手指 放大/// </summary>// At the pinch outprivate void On_PinchOut(Gesture gesture){}// At the pinch endprivate void On_PinchEnd(Gesture gesture){}#endregion//两个手指控制

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

Gesture里面全都是EasyTouch的事件的返回的值

...
public class Gesture : BaseFinger,ICloneable
{
/// <summary>/// The siwpe or drag  type ( None, Left, Right, Up, Down, Other => look at EayTouch.SwipeType enumeration).滑动或拖拽 方向类型，无、左、右、上、下、其他/// </summary>public EasyTouch.SwipeDirection swipe; /// <summary>/// The length of the swipe.滑动距离/// </summary>public float swipeLength;                /// <summary>/// The swipe vector direction.滑动方向矢量/// </summary>public Vector2 swipeVector;         /// <summary>/// The pinch length delta since last change.自上次更改以来的夹点长度增量。 /// </summary>public float deltaPinch;    /// <summary>/// The angle of the twist.扭曲的角度 /// </summary>public float twistAngle;        /// <summary>/// The distance between two finger for a two finger gesture.两指手势的两指之间的距离。/// </summary>public float twoFingerDistance;public EasyTouch.EvtType type = EasyTouch.EvtType.None;#region public methodpublic 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.将触摸位置转换为世界空间，或两个手指手势的两次触摸之间的中心位置。 /// </summary>/// <returns>/// The touch to wordl point.接触世界点。/// </returns>/// <param name='z'>/// The z position in world units from the camera or in world depending on worldZ value来自相机的世界单位的 z 位置或世界中的 z 位置取决于 worldZ 值 /// </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)获取滑动或拖动角度。 （从滑动向量计算）/// </summary>/// <returns>/// Float : The swipe or drag angle.滑动或拖动角度/// </returns>public float GetSwipeOrDragAngle(){return Mathf.Atan2( swipeVector.normalized.y,swipeVector.normalized.x) * Mathf.Rad2Deg;   }/// <summary>/// Normalizeds the position.标准化位置/// </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.确定此实例是否在用户界面元素上。/// </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.确定此实例是否对指定的 tr 相机进行了 rect 变换。/// </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.获取第一个选择的用户界面元素。/// </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.获取当前选取的对象。/// </summary>/// <returns>The current picked object.</returns>public GameObject GetCurrentPickedObject(bool isTwoFinger=false){return EasyTouch.GetCurrentPickedObject( fingerIndex,isTwoFinger);}#endregion
}
...

说明:

On_SwipeStart(开始拖拽)

使用On_SwipeEnd事件(拖拽结束)的时候，gesture.swipeLength的值不为0.

使用On_Swipe事件(拖拽中)的时候，gesture.swipeLength始终为0,通过gesture.swipeVector拖拽方向矢量来计算距离，这个方向矢量是距离(0,0)的方向矢量，这个(0,0)为拖拽开始的点为起始点。

...Vector2 vec2 = gesture.swipeVector;float value = 0;//gesture.swipeLength;float distance = Vector2.Distance(vec2,Vector2.zero);value = distance;//拖拽中的距离值，不拖拽方向矢量为0
...

On_Swipe拖拽中和手指捏On_PinchIn和On_PinchOut如果不用逻辑判断，就会造成两个事件同时执行。

如果不判断手指触摸屏幕的数量(参考资料6)，也会造成 On_Swipe拖拽中和手指捏On_PinchIn和On_PinchOut事件的BUG

.../// <summary>/// 是否 手指捏/// </summary>private bool isPinch = false;/// <summary>/// 是否 滑动/// </summary>private bool isSwipe = false;
...void On_SwipeEnd(Gesture gesture)//滑动结束{if (EasyTouch.GetTouchCount() == 1){ isSwipe = false;Debug.Log("手指测试     滑动结束:" + isSwipe);}}//void On_Swipe(Gesture gesture){if (start&& isPinch == false&& EasyTouch.GetTouchCount() == 1){...}}private void On_PinchEnd(Gesture gesture)//手指捏 事件 结束{isPinch = false;Debug.Log("手指测试     缩放结束:" + isPinch+"/:"+ Input.touches.Length);}///// <summary>/// 两个手指 缩小/// </summary>/// <param name="gesture"></param>// At the pinch inprivate void On_PinchIn(Gesture gesture){if (isSwipe == false&& EasyTouch.GetTouchCount() == 2){ ...}//}///// <summary>/// 两个手指 放大/// </summary>// At the pinch outprivate void On_PinchOut(Gesture gesture){if (isSwipe == false&& EasyTouch.GetTouchCount() == 2){ ...}}
...

参考资料:

1.Easy Touch组件API详解

2.Unity3d 插件研究之EasyTouch插件

3.最新easyTouch 5.0.12和中英文文档

4.EasyTouch 5.0.17.以及5.0.12和校验中问文档.rar

5.[Unity]EasyTouch英文文档位置在哪

6.[Unity][EasyTouch]判断触摸屏幕手指数量

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[Unity]EasyTouch手指滑动返回距离值

说明:

参考资料:

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