private void setupSpans(int end)
{
for (int y = 0; y < end; y++)//unitsY
{
Vector3d shiftY = gridPlane.YAxis * y * parameters.yCell;
Point3d basePt = new Point3d(gridPlane.OriginX, gridPlane.OriginY, gridPlane.OriginZ);
Point3d origin = basePt + shiftY;
Plane p1 = new Plane(origin, gridPlane.YAxis);
Plane p2 = new Plane(origin + gridPlane.YAxis * parameters.yCell, gridPlane.YAxis * -1);
//try and slice the mesh
Mesh slice = MeshTools.splitTwoPlanes(p1, p2, meshesToVoxelise[0]);
if (slice != null && slice.Faces.Count > 0)
{
Plane boxPln = new Plane(origin, gridPlane.XAxis, gridPlane.YAxis);
//containing box with allowance in x and z directions
Box box = new Box(boxPln, new Interval(-parameters.xCell / 10, parameters.width + parameters.xCell / 10), new Interval(0, parameters.yCell), new Interval(-parameters.zCell / 10, parameters.height + parameters.zCell / 10));
Mesh sectionVolume = Mesh.CreateFromBox(box, 1, 1, 1);
spanBoxes.Add(sectionVolume);
foreach (Brep b in parameters.wall)
{
var boundVol = Brep.CreateBooleanIntersection(box.ToBrep(), b, RhinoDoc.ActiveDoc.ModelAbsoluteTolerance);
if (boundVol != null)
{
structuralSpans.Add(new StructuralSpan(parameters, slice, boxPln, y, boundVol[0]));
}
}
}
}
}
