# VRIKInput.cs
* 35 - 38
```csharp=
using RootMotion.FinalIK;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class VRIKInput
{
[Tooltip("Reference to the VRIK component on the avatar.")] public VRIK ik;
[Tooltip("The settings for VRIK calibration.")] public VRIKCalibrator.Settings settings;
[Tooltip("The HMD.")] public Transform headTracker;
[Tooltip("(Optional) A tracker or hand controller device placed anywhere on or in the player's left hand.")] public Transform leftHandTracker;
[Tooltip("(Optional) A tracker or hand controller device placed anywhere on or in the player's right hand.")] public Transform rightHandTracker;
public IEnumerator VRIKStart(GameObject VRCamera, GameObject player)
{
float npc = 1.5f;
float userHeight = 1.5f;
var npcHeight = (userHeight / npc);
player.gameObject.transform.localScale = new Vector3(npcHeight, npcHeight, npcHeight);
//生成
var _camera = GameObject.Instantiate(VRCamera);
GetIKTransform(_camera.transform);
ik = player.AddComponent<VRIK>();
yield return new WaitForSeconds(2);
settings = new VRIKCalibrator.Settings();
VRIKCalibrator.Calibrate(ik, settings, headTracker, null, leftHandTracker, rightHandTracker, null, null);
}
public void GetIKTransform(Transform VRtransform)
{
#if UNITY_ANDROID
leftHandTracker = VRtransform.Find("ControllerManager/PvrController0/LHandTracker");
rightHandTracker = VRtransform.Find("ControllerManager/PvrController1/RHandTracker");
headTracker = VRtransform.Find("Head/HeadTracker");
#else
foreach (Transform item in VRtransform)
{
if (item.name == "Controller (left)")
{
foreach (Transform child in item)
{
if (child.name == "LeftHand")
{
leftHandTracker = child;
Debug.Log(leftHandTracker.name);
}
}
}
if (item.name == "Controller (right)")
{
foreach (Transform child in item)
{
if (child.name == "RightHand")
{
rightHandTracker = child;
Debug.Log(rightHandTracker.name);
}
}
}
if (item.name == "Camera")
{
foreach (Transform child in item)
{
if (child.name == "Head")
{
headTracker = child;
Debug.Log(headTracker.name);
}
}
}
}
#endif
}
}
```