using UnityEngine;
using System.Collections;

public class ChunkGenerator : MonoBehaviour
{
    public GameObject dirtTile;
    public GameObject grassTile;
    public GameObject stoneTile;

    public Transform groundFolder;
    public Transform plantsFolder;

    public int width;
    public float heightMultiplier;
    public int heightAddition;

    public float smoothness;

    float seed;

    void Start()
    {
        Generate();
        seed = Random.Range(-10000f, 10000f);
    }

    public void Generate()
    {
        for(int i = 0; i < width; i++)
        {
            int h = Mathf.RoundToInt(Mathf.PerlinNoise(seed, i / smoothness) * heightMultiplier) + heightAddition;
            for(int j = 0; j < h; j++)
            {
                GameObject selectedTile;
                if(j < h - 4)
                {
                    selectedTile = stoneTile;
                } else if (j < h - 1)
                {
                    selectedTile = dirtTile;
                }
                else
                {
                    selectedTile = grassTile;
                }
                Instantiate(selectedTile, new Vector3(i, j), Quaternion.identity);
            }
        }
    }
}