public class MoveToCenter extends AbstractStrategy {
    @Override
    protected boolean IsTargetDestination() {
        ObjectParameters objParams = GetObjectParameters();
        if (objParams == null) {
            return false;
        }
        return objParams.ObjectMiddleHorizontal() <= GetFieldWidth() / 2 && objParams.ObjectMiddleHorizontal() + GetStep() >= GetFieldWidth() / 2 &&
                objParams.ObjectMiddleVertical() <= GetFieldHeight() / 2 && objParams.ObjectMiddleVertical() + GetStep() >= GetFieldHeight() / 2;
    }

    @Override
    protected void MoveToTarget() {
        ObjectParameters objParams = GetObjectParameters();
        if (objParams == null) {
            return;
        }
        int diffX = objParams.ObjectMiddleHorizontal() - GetFieldWidth() / 2;
        if (Math.abs(diffX) > GetStep()) {
            if (diffX > 0) {
                MoveLeft();
            } else {
                MoveRight();
            }
        }
        int diffY = objParams.ObjectMiddleVertical() - GetFieldHeight() / 2;
        if (Math.abs(diffY) > GetStep()) {
            if (diffY > 0) {
                MoveUp();
            } else {
                MoveDown();
            }
        }
    }
}