public Force(double value, IPosition3D dir, IPosition3D fpoint, IOrient3D sk, string name = "ForcePoint") : base(value, dir, sk, name)
{
FPoint = fpoint == null ?
new Position3D(0, 0, 0, "FPoint") :
fpoint;
if (fpoint == null)
{
AddChild(FPoint);
}
}
public ForceCenter(double value, IPosition3D dir, IOrient3D sk, string name = "ForceCntr")
{
Name = name;
Value = value;
SK = sk;
Direction = dir == null ?
new Position3D(1, 0, 0, "Direction") :
dir;
if (dir == null)
{
AddChild(Direction);
}
else if (dir.Owner == null)
{
AddChild(Direction);
}
}
