switch(idThread){
            case 1:
                pos = new Vector2f(0,0);
                break;
            case 2:
                pos = new Vector2f(width/4,0);
                break;
            case 3:
                pos = new Vector2f(width/2,0);
                break;
            case 4:
                pos = new Vector2f(width-width/4,0);
                break;
            case 5:
                pos = new Vector2f(0,height/2);
                break;
            case 6:
                pos = new Vector2f(width/2,height/2);
                break;
            case 7:
                pos = new Vector2f(width/4,height/2);
                break;
            case 8:
                pos = new Vector2f(width-width/4,height/2);
                break;
            }