Revit.Plugln/FWindSoft/FWindSoft.Revit/Mep/MepJoin/RotationStrategy.cs

using Autodesk.Revit.DB;
using FWindSoft.SystemExtensions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FWindSoft.Revit.Mep
{
    /// <summary>
    /// 旋转策略
    /// </summary>
    public class RotationStrategy:List<RotationItem>
    {
        public RotationStrategy()
        { }
        public RotationStrategy(XYZ location, XYZ axis, double angle)
        {
            this.Add(new RotationItem(location,axis, angle));
        }
        public RotationStrategy(List<RotationItem> rotationItems):base(rotationItems)
        {
        }
        /// <summary>
        /// 向旋转策略中，增加旋转项
        /// </summary>
        /// <param name="axis"></param>
        /// <param name="angle"></param>
        public void Add(XYZ location, XYZ axis, double angle)
        {
            this.Add(new RotationItem(location,axis, angle));
        }
        /// <summary>
        /// 旋转指定实例
        /// </summary>
        /// <param name="familyInstance"></param>
        public void Rotate(FamilyInstance familyInstance)
        {
            this.ForEach(ri => ri.Rotate(familyInstance));
        }
    }
    /// <summary>
    /// 旋转数据
    /// </summary>
    public class RotationItem
    {
        public RotationItem(XYZ location,XYZ axis,double angle)
        {
            Location = location;
            Axis = axis;
            Angle = angle;
        }
        /// <summary>
        /// 旋转中心
        /// </summary>
        public XYZ Location { get; set; }
        /// <summary>
        /// 旋转轴
        /// </summary>
        public XYZ Axis { get; set; }
        /// <summary>
        /// 旋转角度
        /// </summary>
        public double Angle { get; set; }

        /// <summary>
        /// 旋转指定familyInstance
        /// </summary>
        /// <param name="familyInstance"></param>
        public void Rotate(FamilyInstance familyInstance)
        {
            if(Angle.IsEqual(0))
            {//暂时粗糙判断，不考虑2π周期性的东西
                return;
            }
            var line = Line.CreateUnbound(Location, Axis);
            ElementTransformUtils.RotateElement(familyInstance.Document, familyInstance.Id, line, Angle);
        }
     
    }
}