mmorpg2d/Assets/Spine Examples/Scripts/RenderTextureFadeoutExample.cs

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 * Last updated January 1, 2020. Replaces all prior versions.
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 * Copyright (c) 2013-2022, Esoteric Software LLC
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#if UNITY_2017_2_OR_NEWER
#define HAS_VECTOR_INT
#endif

using System.Collections;
using UnityEngine;
using UnityEngine.Events;

namespace Spine.Unity.Examples {
	public class RenderTextureFadeoutExample : MonoBehaviour {

		public SkeletonRenderTextureFadeout renderTextureFadeout;
		public SkeletonRenderer normalSkeletonRenderer;

		float fadeoutSeconds = 2.0f;
		float fadeoutSecondsRemaining;

		IEnumerator Start () {
			while (true) {
				StartFadeoutBad();
				StartFadeoutGood();
				yield return new WaitForSeconds(5.0f);
			}
		}
		void Update () {
			UpdateBadFadeOutAlpha();
		}

		void UpdateBadFadeOutAlpha () {
			if (fadeoutSecondsRemaining == 0)
				return;

			fadeoutSecondsRemaining -= Time.deltaTime;
			if (fadeoutSecondsRemaining <= 0) {
				fadeoutSecondsRemaining = 0;
				return;
			}
			float fadeoutAlpha = fadeoutSecondsRemaining / fadeoutSeconds;

			// changing transparency at a MeshRenderer does not yield the desired effect
			// due to overlapping attachment meshes.
			normalSkeletonRenderer.Skeleton.SetColor(new Color(1, 1, 1, fadeoutAlpha));
		}

		void StartFadeoutBad () {
			fadeoutSecondsRemaining = fadeoutSeconds;
		}

		void StartFadeoutGood () {
			renderTextureFadeout.gameObject.SetActive(true);
			// enabling the SkeletonRenderTextureFadeout component starts the fadeout.
			renderTextureFadeout.enabled = true;
			renderTextureFadeout.OnFadeoutComplete -= DisableGameObject;
			renderTextureFadeout.OnFadeoutComplete += DisableGameObject;
		}

		void DisableGameObject (SkeletonRenderTextureFadeout target) {
			target.gameObject.SetActive(false);
		}
	}
}