示例#1
0
void SVGOptionsScreen::GetScale( int write_set )
{
    bool foundgeom = false;

    Vehicle *veh = VehicleMgr.GetVehicle();

    vector< Geom* > geom_vec = veh->FindGeomVec( veh->GetGeomVec( false ) );
    BndBox svgbox;
    for ( int i = 0 ; i < ( int )geom_vec.size() ; i++ )
    {
        if ( geom_vec[i]->GetSetFlag( write_set ) )
        {
            svgbox.Update( geom_vec[i]->GetBndBox() );
            foundgeom = true;
        }
    }

    if ( !foundgeom )
    {
        veh->m_Scale.Set( 0 ); // Set to 0 if no geoms are in the set
        return;
    }

    double length = svgbox.DiagDist();
    double convert_scale;

    if ( length >= 1.0 )
    {
        convert_scale = floor2scale( length, pow( 10.0, mag( length ) ) );
    }
    else
    {
        convert_scale = floor2scale( length, pow( 10.0, mag( length ) - 1 ) );
    }

    veh->m_Scale.Set( convert_scale );
}
示例#2
0
文件: Util.cpp 项目: cptdime/OpenVSP
double magrounddn( double x )
{
    return MIN( 0.0, floor2scale( x, pow( 10.0, mag( x ) ) ) );
}