DiamondFractalImageEffect C#

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

[ExecuteInEditMode]
public class DiamondFractalImageEffect : MonoBehaviour
{
    public Material EffectMaterial;

    public float effectLifetime;
    public AnimationCurve speedOverTime;
    public AnimationCurve factorOverTime;
    public AnimationCurve zoomOverTime;

    private float currentTime;
    private float fractalDistance;
    private float fractalFactor;
    private float uvZoom;

    private void Update()
    {
        currentTime += Time.deltaTime;
        float time = (currentTime % (effectLifetime + 2)) / effectLifetime;
        fractalDistance += speedOverTime.Evaluate(time) * Time.deltaTime;
        fractalFactor = factorOverTime.Evaluate(time);
        uvZoom = zoomOverTime.Evaluate(time);
    }

    private void OnRenderImage(RenderTexture src, RenderTexture dest)
    {
        EffectMaterial.SetFloat("_FractalDistance", fractalDistance);
        EffectMaterial.SetFloat("_FractalFactor", fractalFactor);
        EffectMaterial.SetFloat("_UvZoom", uvZoom);

        Graphics.Blit(src, dest, EffectMaterial);
    }
}