FactoryPatternForCompleteness.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
 
public class MyScript : MonoBehaviour
{
    // Always call this to create MyScript objects so we know they are complete.
    // Never use AddComponent<MyScript>() outside of this class.
    public    static    MyScript    Create(
        string resourcesPath,
        string additionalArgument1,
        int otherArgument
		
		// add more "must have" arguments here, assign them below
		// to either the newly-created or newly-instantiated object.
		
		)
    {
        // NOTE: only have ONE of the following two blocks of code, not both:
 
        // Option 1:
        // code for if this is a pre-defined prefab that you're going
        // to load, instantiate, and then customize a bit.
        // You can also keep its source path private to this class.
        GameObject prefab = Resources.Load<GameObject>( resourcesPath);
        GameObject go = Instantiate<GameObject>( prefab);
        MyScript myScript = go.GetComponent<MyScript>();
 
        // Option 2:
        // code for making a new GameObject from scratch
        //MyScript myScript = new GameObject( "MyScript.Create();").
        //    AddComponent<MyScript>();
 
        // jam in the arguments we need (remember, Awake has already executed!!)
        myScript.additionalArgument1 = additionalArgument1;
        myScript.otherArgument = otherArgument;
 
        return myScript;
    }
 
    string additionalArgument1;
    int otherArgument;
 
    void Start()
    {
        /// etc...
    }
 
    void Update()
    {
        /// etc...
    }
}