/// <summary>
///获得正二十面体的20个初始射线管
/// </summary>
/// <param name="tx">发射机</param>
/// <returns></returns>
private List <RayTubeModel> GetOriginUnitsOfIcosahedron()
{
//求正二十面体顶点坐标的方法参考论文：单纯形射线追踪法计算室内场强-王文华
//注意论文中的XY坐标与我们使用的相反，所以要把x,y的公式反过来
double thi = 63.4349488229220 * Math.PI / 180;
double fi = 72 * Math.PI / 180;
Point[] icosahedronVetices = new Point[12];
icosahedronVetices[0] = new Point(this.tx.Position.X, this.tx.Position.Y, this.tx.Position.Z + 1); //顶点1
for (int i = 1; i < 6; i++) //求顶点2-6的坐标
{
icosahedronVetices[i] = new Point(this.tx.Position.X + Math.Sin(thi) * Math.Cos(fi * (i - 1)),
this.tx.Position.Y + Math.Sin(thi) * Math.Sin(fi * (i - 1)), this.tx.Position.Z + Math.Cos(thi));
}
for (int j = 6; j < 11; j++)//求顶点7-11的坐标
{
icosahedronVetices[j] = new Point(this.tx.Position.X + Math.Sin(thi) * Math.Cos(fi * (j - 6) + Math.PI / 5),
this.tx.Position.Y + Math.Sin(thi) * Math.Sin(fi * (j - 6) + Math.PI / 5), this.tx.Position.Z - Math.Cos(thi));
}
icosahedronVetices[11] = new Point(this.tx.Position.X, this.tx.Position.Y, this.tx.Position.Z - 1);//顶点12
//生产单射线模型
OneRayModel[] originRayModels = new OneRayModel[12];
for (int n = 0; n < originRayModels.Length; n++)
{
originRayModels[n] = new OneRayModel(this.tx, new RayInfo(this.tx.Position, icosahedronVetices[n]));
}
List <RayTubeModel> rayTubeModels = this.GetOriginIcosahedronRayTubeModes(originRayModels);
return(rayTubeModels);
}
/// <summary>
/// 判断射线管是否包含虚拟接收点，将包含的点转化为节点，并将节点存储在list中
/// </summary>
/// <param name="currentRayTube">射线管</param>
/// <param name="virtualRxPoint">接收点</param>
/// <param name="crossNodeInArea">存储相交节点</param>
/// <returns></returns>
private void GetAreaNodeIfRayTubeContainPoint(RayTubeModel currentRayTube, AreaNode virtualRxNode, List <Node> pathNodes)
{
SpaceFace verticalFace = new SpaceFace(virtualRxNode.Position, new SpectVector(0, 0, 1));//作一个态势平面,态势层是平行于xoy的矩形
List <Point> crossPoints = new List <Point>();
for (int i = 0; i < currentRayTube.OneRayModels.Count; i++)//求射线管与该平面的交点
{
Point crossPoint = currentRayTube.OneRayModels[i].LaunchRay.GetCrossPointWithFace(verticalFace);
if (crossPoint != null)
{
crossPoints.Add(crossPoint);
}
}
if (crossPoints.Count != 3)
{
LogFileManager.ObjLog.error("判断射线管是否与态势层存在交点时出错");
}
else
{
Face wavefrontFace = new Triangle(crossPoints[0], crossPoints[1], crossPoints[2]);
if (wavefrontFace.JudgeIfPointInFace(virtualRxNode.Position)) ////判断射线管是否包含当前态势点
{
OneRayModel rayModelToRx = currentRayTube.StructureRayModelToTargetPoint(virtualRxNode.Position); //??
if (rayModelToRx == null)
{
LogFileManager.ObjLog.error("判断点是否在从绕射棱发出的射线管内时,构造到接收机的射线时出错");
}
else
{
//当前射线管包含态势点，可以生成路径啦~\(≧▽≦)/~
//构造接收节点
virtualRxNode.RxNum = 1;
virtualRxNode.NodeStyle = NodeStyle.Rx;
virtualRxNode.DistanceToFrontNode = rayModelToRx.LaunchNode.Position.GetDistance(virtualRxNode.Position);
virtualRxNode.RayIn = rayModelToRx.LaunchRay;
virtualRxNode.FatherNode = rayModelToRx.LaunchNode;
for (int i = 0; i < currentRayTube.OneRayModels.Count; i++)
{
currentRayTube.OneRayModels[i].LaunchNode.ChildNodes.Add(virtualRxNode);
}
virtualRxNode.FatherNode = currentRayTube.OneRayModels[0].LaunchNode;
pathNodes.Add(virtualRxNode); //得到从发射节点到态势点的完整的路径节点
Path onePath = new Path(new List <Node>(pathNodes)); //生成一条新的路径
virtualRxNode.paths.Add(onePath);
pathNodes.RemoveAt(pathNodes.Count - 1);
}
}
}
}
