// <property name="FilterTags" value="fbuilding,fwood,fconstruction,fframes"/>
public static Vector3 Surface(Vector3 start, int iniy = -1, Func<Block,bool> _IsGround = null) {
return Vectors.ToFloat(Surface(Vectors.ToInt(start), iniy, _IsGround));
}
public IntLine(Vector3i center, Vector3 dir) : this(Vectors.ToFloat(center), dir)
{
}