Method LevelFromDistance2

engine/Poseidon/World/Scene/SceneDraw.cpp:389–420

    // clear working list
    _drawMergers.Resize(0);
    // keep drawObjects for next frame

    DrawFlares();
    _aLights.Resize(0);
}

int Scene::LevelFromDistance2(LODShape* shape, float distance2, float oScale, Vector3Par direction,
                              Vector3Par viewDirection)
{
    // if pixel size is lower than 2, object can be considered invisible
    // size in pixels is
    float scale = GetCamera()->Left();
    float diameter = shape->BoundingSphere() * 2 * oScale;

    if (distance2 > Square(ENGINE_CONFIG.objectsZ))
    {
        return LOD_INVISIBLE;
    }

    float pixelLimit = 0.125;
    float detail2 = distance2 * Square(_lodInvWidth);

    if (Square(diameter) < Square(pixelLimit * scale) * detail2)
    {
        return LOD_INVISIBLE;
    }

    if (shape->NLevels() < 2)
    {
        return 0;
    }

    float resol2 = detail2 * Square(scale);
    // disable decal LODs