MoveTowards.cs

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

public class MoveTowards : MonoBehaviour
{

    public float speed;
    public Transform myBase;

    // Use this for initialization
    void Start()
    {
		
    }

    bool OwnsAMineral()
    {
        Mineral[] ownedMinerals = GetComponentsInChildren<Mineral>();
        if (ownedMinerals.Length > 0)
            return true;
        return false;
    }

    void ToMineral()
    {
        FindBestMineral component = GetComponent<FindBestMineral>();
        if (component == null)
            return;

        Mineral bestMineral = component.GetNearestMineral();
        if (bestMineral == null)
            return;

        Vector3 target = bestMineral.transform.position;

        Vector3 direction = (target - transform.position).normalized;

        transform.position += direction * speed * Time.deltaTime;

        float distanceFromTarget = (target - transform.position).magnitude;

        if (distanceFromTarget < 0.1f)
        {
            bestMineral.transform.SetParent(transform);
            bestMineral.wild = false;
        }
    }

    void ToBase()
    {
        Vector3 target = myBase.position;

        Vector3 direction = (target - transform.position).normalized;

        transform.position += direction * speed * Time.deltaTime;

        float distanceFromTarget = (target - transform.position).magnitude;

        if (distanceFromTarget < 0.1f)
        {
            Mineral[] ownedMinerals = GetComponentsInChildren<Mineral>();
            foreach (Mineral mineral in ownedMinerals)
            {
                mineral.transform.SetParent(null);
            }
        }
    }
	
    // Update is called once per frame
    void Update()
    {
        if (OwnsAMineral())
        {
            ToBase();
        }
        else
        {
            ToMineral();
        }
    }
}