/// <summary>
///全向静态发射射线
/// </summary>
/// <param name="currentNode">节点</param>
/// <param name="ter">地形</param>
/// <param name="rxBall">接收球</param>
/// <param name="cityBuilding">建筑物</param>
/// <param name="TessellationFrequency">细分点个数</param>
/// <param name="TxFrequencyBand">发射机频段信息</param>
/// <returns></returns>
private List <Path> LaunchRaysOmnidirectional(Node tx, ReceiveBall rxBall, Terrain ter, City cityBuilding, int TessellationFrequency, List <FrequencyBand> txFrequencyBand)
{
RayInfo directRay = new RayInfo(tx.Position, rxBall.Receiver);
Node directCrossNode = directRay.GetCrossNodeWithTerrainRects(ter.lineRect(new RayInfo(rxBall.Receiver, new SpectVector(tx.Position, rxBall.Receiver))));
if (directCrossNode != null && directCrossNode.DistanceToFrontNode < tx.Position.GetDistance(rxBall.Receiver))//若直射被阻挡
{
DirectCrossNode = directCrossNode;
}
List <Path> pathInfo = new List <Path>();
List <RayTracingModel> originUnits = GetOriginUnitsOfIcosahedron(tx);
this.HandleEachSurface(originUnits, pathInfo, tx, rxBall, ter, cityBuilding, TessellationFrequency, txFrequencyBand);
return(pathInfo);
}
/// <summary>
///获取所有射线的路径
/// </summary>
/// <param name="currentNode">节点</param>
/// <param name="ter">地形</param>
/// <param name="rxBall">接收球</param>
/// <param name="cityBuilding">建筑物</param>
/// <param name="firstN">初始细分点个数</param>
/// <param name="finalN">最终细分点个数</param>
/// <param name="TxFrequencyBand">发射机频段信息</param>
/// <returns></returns>
private List <Path> GetPunctiformRxPath(Node tx, ReceiveBall rxBall, Terrain ter, City cityBuilding, int firstN, int finalN, List <FrequencyBand> txFrequencyBand)
{
RayInfo directRay = new RayInfo(tx.Position, rxBall.Receiver);
Node directCrossNode = directRay.GetCrossNodeWithTerrainRects(ter.lineRect(new RayInfo(rxBall.Receiver, new SpectVector(tx.Position, rxBall.Receiver))));
if (directCrossNode != null && directCrossNode.DistanceToFrontNode < tx.Position.GetDistance(rxBall.Receiver))//若直射被阻挡
{
DirectCrossNode = directCrossNode;
}
List <Path> pathInfo = new List <Path>();
List <RayTracingModel> originUnits = this.GetOriginUnitsOfIcosahedron(tx); //正二十面体的二十个三角面
double finalDivideAngle = this.GetInitialAngleOfRayBeam(finalN); //最终细分角度，弧度制
double firstDivideAngle = this.GetInitialAngleOfRayBeam(firstN); //最初细分角度，弧度制
for (int i = 0; i < originUnits.Count; i++)
{
List <RayTracingModel> firstUnits = this.GetInitialTrianglePath(tx, ter, rxBall, cityBuilding, originUnits[i], firstN, firstDivideAngle, txFrequencyBand);
this.GetPathOfUnit(firstUnits, pathInfo, tx, ter, rxBall, cityBuilding, finalDivideAngle, txFrequencyBand);
}
return(pathInfo);
}
