using System;
using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;

[Serializable]
[VolumeComponentMenu("Post-processing/Bansonic/Global Distortion")]
[SupportedOnRenderPipeline(typeof(UniversalRenderPipelineAsset))]
public sealed class GlobalDistortionVolume : VolumeComponent, IPostProcessComponent
{
    [Tooltip("Base distortion intensity from the volume profile.")]
    public ClampedFloatParameter intensity = new ClampedFloatParameter(0f, 0f, 1f);

    [Tooltip("Noise contribution to the UV distortion.")]
    public ClampedFloatParameter noiseStrength = new ClampedFloatParameter(0.16f, 0f, 1f);

    [Tooltip("Radial pull strength from the distortion center.")]
    public ClampedFloatParameter radialStrength = new ClampedFloatParameter(0.35f, 0f, 2f);

    [Tooltip("Noise tiling scale.")]
    public ClampedFloatParameter noiseScale = new ClampedFloatParameter(12f, 0.1f, 80f);

    [Tooltip("Distortion center in viewport coordinates.")]
    public Vector2Parameter center = new Vector2Parameter(new Vector2(0.5f, 0.5f));

    [Tooltip("How quickly distortion fades towards screen edges.")]
    public ClampedFloatParameter edgeFade = new ClampedFloatParameter(1.25f, 0.1f, 8f);

    [Tooltip("Whether this effect should run in SceneView cameras.")]
    public BoolParameter affectSceneView = new BoolParameter(false);

    public bool IsActive() => intensity.value > 0.0001f;

    [Obsolete("Unused #from(2023.1)", false)]
    public bool IsTileCompatible() => false;
}