function OnMouseOver () {
    renderer.material.color = Color.green;
    if (Input.GetMouseButtonDown(1)){
        isClicked = true;
    }
}
function OnMouseExit () {
    renderer.material.color = Color.white;
    DestroyGUI ();
}
function OnGUI () {
    if (isClicked == true) {
        if (active_creating == false) {
            if (GUI.Button(Rect(650,10,250,50),"Производство товара")) {
                active_creating = true;
                Create ();
            }
        }
        if (active_creating == true) {
            if (GUI.Button(Rect(650,10,250,50),"Остановить производство")){
                active_creating = false;
            }
        }
        GUI.Button(Rect(650,60,250,50),"Товара на складе: " +tovar);
        GUI.Button(Rect(650,110,250,50),"Максимум товара на складе " +max_sklad);
        if (tovar > 0) {
            if (GUI.Button(Rect(650,160,250,50),"Продать товар")){
            GlobalVars.money += cell_price * tovar;
                tovar = 0;
            }
        }
        if (experience >= level_1_exp_need && level_1_act == false && level_2_act == false){
            if (GUI.Button(Rect(650,210,250,50),"Улучшить здание")){
                time_for_creating -= 1.5;
                price_creating -= 10;
                level_1_act = true;
                max_sklad += 5;
            }
        }
        if (experience >= level_2_exp_need && level_1_act == true && level_2_act == false) {
            if (GUI.Button(Rect(650,210,250,50),"Улучшить здание")){
                time_for_creating -= 1.5;
                price_creating -= 10;
                level_2_act = true;
                max_sklad += 5;
            }
        }
    }
}