void ClearWorld()
{
    bool lvs = g_LoadEnd;
    g_LoadEnd = false;
    AddToLog("Очистка данных редактора...");
    // очищаем массив текстур
    vector< Material >::iterator m = g_Texture.begin();
    while ( m != g_Texture.end() )
    {
        if(m->IsInit)
        {
            m->IsInit = false;
            vector< Material >::iterator k = g_Texture.begin();
            while ( k != g_Texture.end() )
            {
                if(m->Tex == k->Tex && m != k)
                    k->Tex = NULL;
                k++;
            }
            if(m->Tex != NULL) 
            {
                m->Tex->Release();
                m->Tex = NULL;
            }
        }
        m++;
    }
    g_Texture.clear();
    // очищаем массив мешей
    vector< RenderMesh >::iterator r = g_Mesh.begin();
    while ( r != g_Mesh.end() )
    {
        if( r->IsInit && r->Mesh != NULL )
        {
            r->Mesh->Release();
            r->Mesh = NULL;
        }
        r++;
    }
    g_Mesh.clear();
    // очищаем массив обьектов
    g_Object.clear();
    AddToLog("Очистка завершена");
    SendMessage(GetDlgItem(g_hWnd, ID_STATUSBAR), SB_SETTEXT, 0, (LPARAM)"World not loaded");
    g_LoadEnd = lvs;
}