package structure;
// cedric.gueguen@irisa.fr

import java.util.ArrayList;
import java.util.Iterator;
import java.util.Random;


public class Grid {

	private ArrayList<ArrayList<Integer>> m_grid=new ArrayList<>();
	
	public Grid(int size_x, int size_y, int max_rand){
		this.generateGrid(size_x,size_y, max_rand);
	}
	
	
	
	
	private void generateGrid(int size_x, int size_y, int max_rand){
		for(int x=0;x<size_x;x++){
			m_grid.add(new ArrayList<Integer>());
			for(int y=0;y<size_y;y++){
				m_grid.get(x).add( (int) (Math.random() * max_rand ));
			}
		}
	}

	
	public void displayGrid(){
		Iterator<ArrayList<Integer>> i=m_grid.iterator();

		while(i.hasNext()){
			ArrayList<Integer> current=i.next();
			Iterator<Integer> j=current.iterator();

			while(j.hasNext()){
				System.out.print(j.next() + " ");
			}
			System.out.println();
		}
	}
	
}