Animates the Alpha on a Renderer

AlphaAnimator.cs

using System;
using UnityEngine;

[ExecuteInEditMode]
public class AlphaAnimator : MonoBehaviour
{
	[Range(0f, 1f), SerializeField]
	private float m_alpha;
	private Renderer m_renderer;
	private MaterialPropertyBlock m_propBlock;
	
	private void Awake()
	{
		this.m_propBlock = new MaterialPropertyBlock();
		this.m_renderer = base.renderer;
		base.enabled = (this.m_renderer != null);
	}
	
	private void Update()
	{
		if (this.m_renderer != null)
		{
			Color color = this.m_renderer.sharedMaterial.color;
			color.a = this.m_alpha;
			this.m_propBlock.Clear();
			this.m_propBlock.AddColor("_Color", color);
			this.m_renderer.SetPropertyBlock(this.m_propBlock);
		}
	}
}