/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
SpiralPart part1 = new SpiralPart();
Position pos;
PlatformSpecs spcs = new PlatformSpecs();
double angle = 0;
DA.GetData(0, ref part1);
DA.GetData(1, ref angle);
//获得前一个部件的属性，然后分配给这个部件
pos = part1.EndPst;
var partDim = part1.SpiralDimension;
spcs.InnerR = partDim.InnerR;
spcs.Width = partDim.Width;
spcs.RotateAngle = angle;
spcs.Direction = partDim.Direction;
PlatFormPart platform = new PlatFormPart(pos, spcs);
DA.SetData(0, platform);
DA.SetData(1, platform.EndPst);
}
/// <summary>
/// 平台端构造函数，主要使用起点参数和平台规格参数
/// </summary>
/// <param name="strPst">起点参数，主要包含起点和角度</param>
/// <param name="platFormSpecs">平台规格参数，主要包含内半径、宽度、旋转角度</param>
public PlatFormPart(Position strPst, PlatformSpecs platFormSpecs) : base(strPst, platFormSpecs)
{
SetEndPst();
}
protected StairBase(Position strPst, PlatformSpecs platDim)
{
StartPst = strPst;
PlatformDimesion = platDim;
}