using UnityEngine;
using System.Collections;

public class Generation : MonoBehaviour {

	public GameObject GroundObject;
	GameObject block;

	GameObject SelectedObject;
	public GameObject Curser;

	public int width;
	public int length;
	int i = 0;

	[Range(0,1)]
	public float gridSpacing;


	Vector2[] mappedPositions;
	public Vector2 gridPosition;




	void CreateStage() {

		mappedPositions = new Vector2[width * length];

		for(int x = 0; x < length; x++)
		{
			for(int y = 0; y < width; y++)
			{

				block = (GameObject)Instantiate (GroundObject, new Vector3 (x+(gridSpacing*x), 0, y+(gridSpacing*y)), Quaternion.identity);
				block.name = "X:"+ x + " " + "Y:" + y;

				mappedPositions[i].x = x;
				mappedPositions[i].y = y;
				i++;

			}
		}
		Camera.main.transform.position = new Vector3(length / 2, 20, width / 2);
	}

	void MoveSquare()
	{
		if(Input.GetKeyDown(KeyCode.UpArrow))
		{
			if(gridPosition.y != length - 1)
			{
				gridPosition.y++;
			}
		}
		if(Input.GetKeyDown(KeyCode.DownArrow))
		{
			if(gridPosition.y != 0)
			{
				gridPosition.y--;
			}
		}
		if(Input.GetKeyDown(KeyCode.LeftArrow))
		{
			if(gridPosition.x != 0)
			{
				gridPosition.x--;
			}
		}
		if(Input.GetKeyDown(KeyCode.RightArrow))
		{
			if(gridPosition.x != width - 1)
			{
				gridPosition.x++;
			}
		}

	}

	void Start () {
		CreateStage();
		gridPosition = new Vector2(0,0);
	}

	void Update () {
		MoveSquare();

		SelectedObject = GameObject.Find("X:"+ gridPosition.x +" Y:" + gridPosition.y);
		Curser.transform.position = new Vector3(SelectedObject.transform.position.x, 2, SelectedObject.transform.position.z);



	}

}