気体分子をインスタンス化するスクリプト

GenerateMolecule.cs

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

public class GenerateMolecule : MonoBehaviour {

	public GameObject moleculeParent;
	public GameObject moleculeCounter;
	public List<GameObject> type = new List<GameObject>();
	Text moleculeCounterText;
	float intervalTime = 0.5f;
	float time;

	void Start(){
		moleculeCounterText = moleculeCounter.GetComponent<Text>();
	}
	
	void Update(){
		InstantiateMolecules();
		SetMoleculeCounterText();
	}

	void InstantiateMolecules(){
		time += Time.deltaTime;
		if (time >= intervalTime){
			int index = Random.Range(0, type.Count);
			GameObject molecule = Instantiate(type[index], moleculeParent.transform.position, Quaternion.identity);
			molecule.transform.SetParent(moleculeParent.transform);
			time = 0f;
		}
	}

	void SetMoleculeCounterText(){
		int moleculeCount = moleculeParent.transform.childCount;
		moleculeCounterText.text = "Molecule Count : " + moleculeCount.ToString();
	}
}