/// <summary>
/// 得到3d标签预制
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="canvasScale"></param>
/// <returns></returns>
public static PanelControl GetLine(Vector3 start, Vector3 end, float canvasScale = 0.001f)
{
PanelControl lineCtrl = ResManager.GetPrefab("SceneRes/Line").GetComponent <PanelControl>();
lineCtrl.followStartPos.transform.localPosition = start;
lineCtrl.followEndPos.transform.localPosition = end;
lineCtrl.GetComponentInChildren <Canvas>().transform.localScale = Vector3.one * canvasScale;
return(lineCtrl);
}