RoadFactory.java

package model;

import util.Position;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;

public class RoadFactory implements ElementFactory{
    Random random = new Random();

    public Element getNewElement(BoardData boardData, Position position){
        int[][] dir={{0,1},{0,-1},{1,0},{-1,0},{1,1},{1,-1},{-1,1},{-1,-1}};
        int[] currentDirection1,currentDirection2;
        do{
            currentDirection1 = dir[random.nextInt(8)];
            currentDirection2 = dir[random.nextInt(8)];
        }while(currentDirection1==currentDirection2);

        for (int i = position.row(),j= position.column();
             i < boardData.getRowCount() && i >= 0 && j < boardData.getColumnCount() && j >= 0 ;
             i+=currentDirection1[0],j+=currentDirection1[1]) {
            boardData.addElement(new Road(new Position(i,j)));
        }
        for (int i = position.row(),j= position.column();
             i < boardData.getRowCount() && i >= 0 && j < boardData.getColumnCount() && j >= 0 ;
             i+=currentDirection2[0],j+=currentDirection2[1]) {
            boardData.addElement(new Road(new Position(i,j)));
        }
        return new Road(position);
    }
}