Unity コルーチンサンプルその2。処理の待ち合わせ

CoroutineSample2.cs

using UnityEngine;
using System.Collections;

public class CoroutineSample1 : MonoBehaviour 
{
	bool isRunning = false;
	Coroutine coroutine;

	[SerializeField]
	Renderer leftRenderer = null, rightRenderer = null;

	void OnMouseDown()
	{
		StartCoroutine(ChangeColorCoroutine());
	}

	IEnumerator ChangeColorCoroutine()
	{
		if( isRunning ) { yield break; }
		isRunning = true;

		var renderer = GetComponent<Renderer>();
		ChangeColor(renderer, Color.blue);

		var leftCoroutine = StartCoroutine(ChangeColorCoroutineWithRuntimetime(leftRenderer));
		var rightCoroutine = StartCoroutine(ChangeColorCoroutineWithRuntimetime(rightRenderer));

		yield return leftCoroutine;
		yield return rightCoroutine;

		yield return new WaitForSeconds(0.2f);
		ChangeColor(renderer, Color.white);
		isRunning = false;
	}

	IEnumerator ChangeColorCoroutineWithRuntimetime(Renderer renderer)
	{
		ChangeColor(renderer, Color.red);
		
		float waitSec = Random.Range(0.2f, 1f);
		yield return new WaitForSeconds(waitSec);
		
		ChangeColor(renderer, Color.green);
	}

	void ChangeColor(Renderer renderer, Color color)
	{
		renderer.material.color = color;
		DynamicGI.UpdateMaterials(renderer);
	}
}