void Update()
    {
        //掴んでる物があり、かつもう片方の手もつかんでる時
//		if (grabbedBy_4Escapegame && this.offhand) {
        float triggerBuffer  = OVRInput.Get(OVRInput.Axis1D.PrimaryHandTrigger, this.offhand.offhand);
        float triggerBuffer2 = OVRInput.Get(OVRInput.Axis1D.PrimaryHandTrigger, this.grabbedBy_4Escapegame.offhand);

        if (triggerBuffer <= this.offhand.grabEnd || triggerBuffer2 <= this.offhand.grabEnd)
        {
            Debug.Log("後からつかんだ方の手を放した");
            if (!grabbedBy_4Escapegame)
            {
                grabbedBy_4Escapegame = offhand;
                GrabEnd(Vector3.zero, Vector3.zero);
            }
            this.offhand = null;
            ScaleEnable(false);
        }

//		}

        if (isScalable)
        {
            if (grabbedBy_4Escapegame != this.offhand)
            {
                //ここに拡大縮小のロジックを書く
                float grabbingDistance = Vector3.Distance(offhand.transform.position,
                                                          this.grabbedBy.transform.position);
                Debug.Log("Update時offhand = " + this.offhand.name);
                Debug.Log("Update時grabbedBy = " + grabbedBy.name);
                Debug.Log(grabbedBy.name + "と" + offhand.name + "の距離 " + grabbingDistance);
                Debug.Log("両手でつかんでる:" + grabbingDistance);
                this.transform.position = (offhand.attachedGriptransform.position
                                           + this.grabbedBy_4Escapegame.attachedGriptransform.position
                                           ) / 2;
                Debug.Log("initDistance = " + this.initDistance);
                float scale = grabbingDistance / this.initDistance;
                Debug.Log("localscale=" + this.transform.localScale);
                this.transform.localScale = new Vector3(
                    this.scaleBuffer.x * scale,
                    this.scaleBuffer.y * scale,
                    this.scaleBuffer.z * scale
                    );
                Debug.Log("スケール:" + this.transform.localScale);
            }
        }
    }
 public void InitializeDistance(EscapegameGrabber right, EscapegameGrabber left)
 {
     scaleBuffer = this.transform.localScale;
     if (this.grabbedBy == right)
     {
         this.initDistance = Vector3.Distance(left.attachedGriptransform.position,
                                              this.grabbedBy_4Escapegame.attachedGriptransform.position
                                              );
         this.offhand = right;
     }
     else if (this.grabbedBy == left)
     {
         this.initDistance = Vector3.Distance(right.transform.position,
                                              this.grabbedBy_4Escapegame.attachedGriptransform.position
                                              );
         this.offhand = left;
     }
 }