public static HashSet <Terrain> SelectTerrains(HashSet <Terrain> possibleTerrains, Color color, bool dotted)
/// Selects terrains via click or selection frame
{
Select.UpdateFrame();
HashSet <Terrain> framedTerrains = GetTerrainsInFrame(Select.frameRect, possibleTerrains);
//displaying frame
foreach (Terrain terrain in framedTerrains)
{
FrameDraw.DrawTerrainFrame(terrain, color, dotted, FrameDraw.defaultZOffset * 2);
}
//returning selected
if (Select.justReleased || (!Select.isFrame && Event.current.type == EventType.MouseUp && Event.current.button == 0 && !Event.current.alt))
{
return(framedTerrains);
}
return(null);
}
