效果图：
UGUI交互E.gif
发射激光：
在StemVR中自带有SteamVR_LaserPointer的脚本，是用来控制激光。
SteamVR_LaserPointer.png
开启激光：
SteamVrLaserPointer.GetComponent().enabled = true;
在开启激光时，会创建一个cube，用来模拟激光
关闭激光:
SteamVrLaserPointer.GetComponent().enabled = false; //射线关闭
SteamVrLaserPointer.GetComponent().pointer.transform.localScale = new Vector3(0, 0, 0);
UI互交：
使用UnityEvent的目的是，绑定事件可视化
image.png
private PointerEventArgs pointerEventArgs;
public SteamVR_LaserPointer SteamVrLaserPointer;
public UnityEvent mOnEnter = null;
public UnityEvent mOnClick = null;
public UnityEvent mOnUp = null;
void OnEnable()
{
SteamVrLaserPointer.PointerClick += SteamVrLaserPointer_PointerClick;
SteamVrLaserPointer.PointerIn += SteamVrLaserPointer_PointerIn;
SteamVrLaserPointer.PointerOut += SteamVrLaserPointer_PointerOut;
}
void OnDestroy()
{
SteamVrLaserPointer.PointerClick -= SteamVrLaserPointer_PointerClick;
SteamVrLaserPointer.PointerIn -= SteamVrLaserPointer_PointerIn;
SteamVrLaserPointer.PointerOut -= SteamVrLaserPointer_PointerOut;
}
private void SteamVrLaserPointer_PointerOut(object sender, PointerEventArgs e)
{
if (e.target.gameObject == this.gameObject)
{
if (mOnUp != null) mOnUp.Invoke();
}
}
private void SteamVrLaserPointer_PointerIn(object sender, PointerEventArgs e)
{
if (e.target.gameObject == this.gameObject)
{
if (mOnEnter != null) mOnEnter.Invoke();
}
}
private void SteamVrLaserPointer_PointerClick(object sender, PointerEventArgs e)
{
if (e.target.gameObject == this.gameObject)
{
Debug.Log(e);
if (mOnClick != null)
{
mOnClick.Invoke();
}
}
}
当获取手柄的GrabGrip键，按下就执行互交
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