optimalizace

//pred upravou
public static boolean collision(MoveableRectangular mr1, MoveableRectangular mr2) {
        final int x11 = mr1.getX1(), x12 = mr1.getX2(), y11 = mr1.getY1(), y12 = mr1.getY2(),
                x21 = mr2.getX1(), x22 = mr2.getX2(), y21 = mr2.getY1(), y22 = mr2.getY2();
        if (x11 < x21 || x11 > x22) {
            if (x21 < x11 || x21 > x12) {
                return false;
            }
        }
        if (y11 < y21 || y11 > y22) {
            if (y21 < y11 || y21 > y12) {
                return false;
            }
        }
        return true;
    }

    //po uprave
    public static boolean collision(MoveableRectangular mr1, MoveableRectangular mr2) {
        final int x11 = mr1.getX1()/*, x12 = mr1.getX2()*/, y11 = mr1.getY1()/*, y12 = mr1.getY2()*/,
                x21 = mr2.getX1()/*, x22 = mr2.getX2()*/, y21 = mr2.getY1()/*, y22 = mr2.getY2()*/;
        if (x11 < x21 || x11 > mr2.getX2()) {
            if (x21 < x11 || x21 > mr1.getX2()) {
                return false;
            }
        }
        if (y11 < y21 || y11 > mr2.getY2()) {
            if (y21 < y11 || y21 > mr1.getY2()) {
                return false;
            }
        }
        return true;
    }