SteamVR_TrackedObject trackdeObjec;  
  
    void Awake() {  
        //獲取手柄上的這個組件  
        trackdeObjec = GetComponent<SteamVR_TrackedObject>();  
    } 
void FixedUpdate()  
    {   //獲取手柄輸入  
        var device = SteamVR_Controller.Input((int)trackdeObjec.index);  
        //以下是api中復制出來的按鍵列表  
        /*       public class ButtonMask 
           { 
               public const ulong System = (1ul << (int)EVRButtonId.k_EButton_System); // reserved 
               public const ulong ApplicationMenu = (1ul << (int)EVRButtonId.k_EButton_ApplicationMenu); 
               public const ulong Grip = (1ul << (int)EVRButtonId.k_EButton_Grip); 
               public const ulong Axis0 = (1ul << (int)EVRButtonId.k_EButton_Axis0); 
               public const ulong Axis1 = (1ul << (int)EVRButtonId.k_EButton_Axis1); 
               public const ulong Axis2 = (1ul << (int)EVRButtonId.k_EButton_Axis2); 
               public const ulong Axis3 = (1ul << (int)EVRButtonId.k_EButton_Axis3); 
               public const ulong Axis4 = (1ul << (int)EVRButtonId.k_EButton_Axis4); 
               public const ulong Touchpad = (1ul << (int)EVRButtonId.k_EButton_SteamVR_Touchpad); 
               public const ulong Trigger = (1ul << (int)EVRButtonId.k_EButton_SteamVR_Trigger); 
           } 
           */  
  
           //同樣是三種按鍵方式，以后不做贅述  
        if (device.GetTouch(SteamVR_Controller.ButtonMask.Trigger)) {  
            Debug.Log("按了 “trigger” “扳機鍵”");  
             
            //右手震動  
            //拉弓類似操作應該就是按住trigger（扳機）gettouch時持續調用震動方法模擬弓弦繃緊的感覺。  
            var deviceIndex2 = SteamVR_Controller.GetDeviceIndex(SteamVR_Controller.DeviceRelation.Rightmost);  
            SteamVR_Controller.Input(deviceIndex2).TriggerHapticPulse(500);  
  
        }  
        if (device.GetTouchDown(SteamVR_Controller.ButtonMask.Trigger))  
        {   Debug.Log("按下了 “trigger” “扳機鍵”");  
  
        }  
        if (device.GetTouchUp(SteamVR_Controller.ButtonMask.Trigger)) {  
            Debug.Log("松開了 “trigger” “扳機鍵”");  
            
            //左手震動  
            var deviceIndex = SteamVR_Controller.GetDeviceIndex(SteamVR_Controller.DeviceRelation.Leftmost);  
            SteamVR_Controller.Input(deviceIndex).TriggerHapticPulse(3000);  
             
            //右手震動  
            var deviceIndex1 = SteamVR_Controller.GetDeviceIndex(SteamVR_Controller.DeviceRelation.Rightmost);  
            SteamVR_Controller.Input(deviceIndex1).TriggerHapticPulse(3000);  
        }  
  
        //這三種也能檢測到 后面不做贅述  
        if(device.GetPressDown(SteamVR_Controller.ButtonMask.Trigger)) {  
            Debug.Log("用press按下了 “trigger” “扳機鍵”");  
        }  
        if (device.GetPress(SteamVR_Controller.ButtonMask.Trigger))  
        {  
            Debug.Log("用press按了 “trigger” “扳機鍵”");  
        }  
        if (device.GetPressUp(SteamVR_Controller.ButtonMask.Trigger))  
        {  
            Debug.Log("用press松開了 “trigger” “扳機鍵”");  
        }  
  
        //system鍵 圓盤下面那個鍵   
        // reserved 為Steam系統保留,用來調出Steam系統菜單 因此貌似自己加的功能沒啥用  
        if (device.GetTouchDown(SteamVR_Controller.ButtonMask.System))  
        {  
            Debug.Log("按下了 “system” “系統按鈕/Steam”");  
        }  
        if (device.GetPressDown(SteamVR_Controller.ButtonMask.System))  
        {  
            Debug.Log("用press按下了 “System” “系統按鈕/Steam”");  
        }  
  
        //ApplicationMenu鍵 帶菜單標志的那個按鍵（在方向圓盤上面）  
        if (device.GetTouchDown(SteamVR_Controller.ButtonMask.ApplicationMenu))  
        {  
            Debug.Log("按下了 “ApplicationMenu” “菜單鍵”");  
        }  
        if (device.GetPressDown(SteamVR_Controller.ButtonMask.ApplicationMenu))  
        {  
            Debug.Log("用press按下了 “ApplicationMenu” “菜單鍵”");  
        }  
  
        //Grip鍵 兩側的鍵 （vive雇傭兵游戲中的換彈鍵），每個手柄左右各一功能相同，同一手柄兩個鍵是一個鍵。  
        if (device.GetTouchDown(SteamVR_Controller.ButtonMask.Grip))  
        {  
            Debug.Log("按下了 “Grip” “ ”");  
        }  
        if (device.GetPressDown(SteamVR_Controller.ButtonMask.Grip))  
        {  
            Debug.Log("用press按下了 “Grip” “ ”");  
        }  
  
   
          
        //Axis0鍵 與圓盤有交互 與圓盤有關  
        //觸摸觸發  
        if (device.GetTouchDown(SteamVR_Controller.ButtonMask.Axis0))  
        {  
           Debug.Log("按下了 “Axis0” “方向 ”");  
        }  
        //按動觸發  
        if (device.GetPressDown(SteamVR_Controller.ButtonMask.Axis0))  
        {  
            Debug.Log("用press按下了 “Axis0” “方向 ”");  
        }  

//ATouchpad鍵 圓盤交互  
        //觸摸觸發  
       if (device.GetTouchDown(SteamVR_Controller.ButtonMask.Touchpad))  
       {     
           Debug.Log("按下了 “Touchpad” “ ”");  
              
            //方法返回一個坐標 接觸圓盤位置  
            Vector2 cc = device.GetAxis();  
            Debug.Log(cc);  
            // 例子：圓盤分成上下左右  
            float jiaodu = VectorAngle(new Vector2(1, 0), cc);  
            Debug.Log(jiaodu);  
            //下  
            if (jiaodu > 45 && jiaodu < 135)  
            {  
                Debug.Log("下");  
            }  
            //上  
            if (jiaodu < -45 && jiaodu > -135)  
            {  
                Debug.Log("上");  
            }  
            //左  
            if ((jiaodu < 180 && jiaodu > 135) || (jiaodu < -135 && jiaodu > -180))  
            {  
                Debug.Log("左");  
            }  
            //右  
            if ((jiaodu > 0 && jiaodu < 45) || (jiaodu > -45 && jiaodu < 0))  
            {  
                Debug.Log("右");  
            }  
        }  
        //按動觸發  
        if (device.GetPressDown(SteamVR_Controller.ButtonMask.Touchpad))  
        {  
            Debug.Log("用press按下了 “Touchpad” “ ”");  
        }  
  }

//方向圓盤最好配合這個使用 圓盤的.GetAxis()會檢測返回一個二位向量，可用角度劃分圓盤按鍵數量  
    //這個函數輸入兩個二維向量會返回一個夾角 180 到 -180  
    float VectorAngle(Vector2 from, Vector2 to)  
    {  
        float angle;  
        Vector3 cross = Vector3.Cross(from, to);  
        angle = Vector2.Angle(from, to);  
        return cross.z > 0 ? -angle : angle;  
    }