/// <summary>
/// Add a line in world coordinates to a voxelgrid
/// </summary>
/// <param name="line"></param>
/// <param name="vg"></param>
private void AddLine(Line line, ref VoxelGrid3D vg)
{
var start = vg.ClosestPoint(line.From);
var end = vg.ClosestPoint(line.To);
foreach (var pt in InterateLine(start, end))
{
if (pt < Point3i.Origin || pt >= vg.SizeUVW)
{
continue;
}
vg[pt] = true;
}
}
/// <summary>
/// Add point to the grid.
/// </summary>
/// <param name="pt">Point in world space</param>
/// <param name="vg">Voxelgrid</param>
public void AddPt(Point3d pt, ref VoxelGrid3D vg)
{
if (Distance < RhinoMath.ZeroTolerance)
{
var pti = vg.ClosestPoint(pt);
if (pti >= Point3i.Origin && pti <= vg.SizeUVW)
{
vg.SetValue(pti, true);
}
}
else
{
var bb = new BoundingBox(new [] { pt });
bb.Inflate(Distance * 1.1);
foreach (var subPt in vg.PointsInBox(bb))
{
if (vg.PointInGrid(subPt) &&
!vg[subPt] &&
vg.EvaluatePoint(subPt).DistanceTo(pt) < Distance)
{
vg[subPt] = true;
}
}
}
}
