using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Generator : MonoBehaviour
{
    public GameObject obj;
    public int countX = 5;
    public int countY = 5;
    public int countZ = 5;
    public float stepX = 2f;
    public float stepY = 2f;
    public float stepZ = 2f;
    public float randX = 0.5f;
    public float randY = 0.5f;
    public float randZ = 0.5f;
    Vector3 tmp;

    void Start()
    {
        Vector3 pos = transform.position;
        for (int i = 0; i < countX; i++)
        {
            for (int j = 0; j < countY; j++)
            {
                for (int k = 0; k < countZ; k++)
                {
                    tmp = new Vector3(Random.Range(-randX, randX), Random.Range(-randY, randY), Random.Range(-randZ, randZ));
                    Instantiate(obj, pos + tmp, Quaternion.identity);
                    pos += new Vector3(0f, 0f, stepZ);
                }
                pos += new Vector3(0f, stepY, -stepZ * countZ);
            }
            pos += new Vector3(stepX, -stepY * countY, 0f);
        }            
    }
}