public void Compute(int gridSize, int x_Ex, int y_Ex, int offsetValue, int offsetValue2, int reduceNum, int minRoomNum, Point3d center
, ref List <Rhino.Geometry.Point3d> shapedGrid, ref PolylineCurve shapeCrv, ref Polyline offsetShapeCrv, ref Rectangle3d originalShape)
{
var grid = RhinoWrapper.MakeGrid(x_Ex, y_Ex, gridSize);
var rectMain = RhinoWrapper.MakeRect(center, x_Ex, y_Ex, gridSize);
var rectMainCrv = rectMain.ToPolyline().ToPolylineCurve();
originalShape = rectMain;
//減らす部分の四角形をつくるための元のcorner
var corners = new Rhino.Geometry.Point3d[4];
for (int i = 0; i < 4; i++)
{
corners[i] = rectMain.Corner(i);
}
//引くための四角形を作る範囲
var rectSub = RhinoWrapper.MakeRect(center, x_Ex, y_Ex, gridSize, offsetValue);
var rectSub2 = RhinoWrapper.MakeRect(center, x_Ex, y_Ex, gridSize, offsetValue2);
var populate = RhinoWrapper.RandomPt(rectSub, reduceNum);
var randPts = populate.Where(pt => RhinoWrapper.IsInside(pt, rectSub2.ToPolyline()) == false).ToList();
//点が近いところにあるとオフセットがうまく機能しない。
for (int i = 0; i < randPts.Count; i++)
{
for (int j = 0; j < randPts.Count; j++)
{
if (i == j)
{
continue;
}
if (randPts[i].DistanceTo(randPts[j]) < gridSize * (minRoomNum + 1))
{
randPts.RemoveAt(j);
j--;
}
}
}
//Reduce Rectsを作ってる
var reduceRects = new List <Rhino.Geometry.PolylineCurve>();
var planeXY = new Rhino.Geometry.Plane(Point3d.Origin, Vector3d.ZAxis);
for (int i = 0; i < randPts.Count; i++)
{
var pc = new Rhino.Geometry.PointCloud(corners);
int closestIdx = pc.ClosestPoint(randPts[i]);
var reduceRect = new Rectangle3d(planeXY, randPts[i], corners[closestIdx]);
var polyCrv = reduceRect.ToPolyline().ToPolylineCurve();
reduceRects.Add(polyCrv);
}
var shape = Curve.CreateBooleanDifference(rectMainCrv, reduceRects, 0.1);
offsetShapeCrv = null;
//正四角形でない形がでたとき
if (shape.Length > 0)
{
shape[0].TryGetPolyline(out Polyline polyShape);
//ref
shapedGrid = grid.Where(pt => RhinoWrapper.IsInside(pt, polyShape)).ToList();
//ref
shapeCrv = polyShape.ToPolylineCurve();
//ref
var plane = new Rhino.Geometry.Plane(AreaMassProperties.Compute(shapeCrv).Centroid, Vector3d.ZAxis);
shapeCrv.Offset(plane, (-gridSize * minRoomNum), 1, CurveOffsetCornerStyle.Sharp)[0].TryGetPolyline(out offsetShapeCrv);
if (offsetShapeCrv == null)
{
offsetShapeCrv = new Rectangle3d(plane, 1, 1).ToPolyline();
}
}
else//正四角形が残ったとき。（ひくためのRectangleができない)
{
shapedGrid = grid.Where(pt => RhinoWrapper.IsInside(pt, rectMainCrv.ToPolyline())).ToList();
//ref
shapeCrv = rectMainCrv.ToPolyline().ToPolylineCurve();
//ref
var plane = new Rhino.Geometry.Plane(AreaMassProperties.Compute(shapeCrv).Centroid, Vector3d.ZAxis);
shapeCrv.Offset(plane, (-gridSize * minRoomNum), 1, CurveOffsetCornerStyle.Sharp)[0].TryGetPolyline(out offsetShapeCrv);
if (offsetShapeCrv == null)
{
offsetShapeCrv = new Rectangle3d(plane, 1, 1).ToPolyline();
}
}
}
