/// <summary>
/// Point on axis aligned box (including interior points) closest to target point "p".
/// </summary>
public Point3d AABBClosestPoint(Point3d p)
{
p = p.ConvertToGlobal();
double x = GeometRi3D.Clamp(p.X, this._center.X - _lx / 2, this._center.X + _lx / 2);
double y = GeometRi3D.Clamp(p.Y, this._center.Y - _ly / 2, this._center.Y + _ly / 2);
double z = GeometRi3D.Clamp(p.Z, this._center.Z - _lz / 2, this._center.Z + _lz / 2);
return(new Point3d(x, y, z));
}
/// <summary>
/// Point on box (including interior points) closest to target point "p".
/// </summary>
public Point3d ClosestPoint(Point3d p)
{
Coord3d local_coord = this.LocalCoord();
p = p.ConvertTo(local_coord);
double x = GeometRi3D.Clamp(p.X, -_lx / 2, _lx / 2);
double y = GeometRi3D.Clamp(p.Y, -_ly / 2, _ly / 2);
double z = GeometRi3D.Clamp(p.Z, -_lz / 2, _lz / 2);
return(new Point3d(x, y, z, local_coord));
}