RadialBlurImage.cs

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using UnityEngine;
 
namespace Applibot;
 
public class RadialBlurImage : CustomImageBase
{
    public static readonly string SHADER_NAME = "Custom/UI/RadialBlur";
 
    public float BlurRadius = 30f;
 
    [Range(0f, 30f)]
    public int SampleCount = 10;
 
    private Shader _shader;
 
    private int _BlurRadiusId = Shader.PropertyToID("_BlurRadius");
 
    private int _SampleCountId = Shader.PropertyToID("_SampleCount");
 
    protected override void UpdateMaterial(Material baseMaterial)
    {
        if (material == null)
        {
            Shader shader = Shader.Find(SHADER_NAME);
            material = new Material(shader);
        }
        material.SetFloat(_BlurRadiusId, BlurRadius);
        material.SetInt(_SampleCountId, SampleCount);
        float value = 0.0005f;
        if (base.canvasScaler != null)
        {
            Vector2 referenceResolution = base.canvasScaler.referenceResolution;
            value = 1f / Mathf.Max(referenceResolution.x, referenceResolution.y);
        }
        material.SetFloat("_scaleFactor", value);
    }
}