using System;

namespace UnityEngine.Rendering.Universal
{
    [Serializable, VolumeComponentMenu("Post-processing/Vignette")]
    public sealed class Vignette : VolumeComponent, IPostProcessComponent
    {
        [Tooltip("Vignette color.")]
        public ColorParameter color = new ColorParameter(Color.black, false, false, true);

        [Tooltip("Sets the vignette center point (screen center is [0.5,0.5]).")]
        public Vector2Parameter center = new Vector2Parameter(new Vector2(0.5f, 0.5f));

        [Tooltip("Amount of vignetting on screen.")]
        public ClampedFloatParameter intensity = new ClampedFloatParameter(0f, 0f, 1f);

        [Tooltip("Smoothness of the vignette borders.")]
        public ClampedFloatParameter smoothness = new ClampedFloatParameter(0.2f, 0.01f, 1f);

        [Tooltip("Should the vignette be perfectly round or be dependent on the current aspect ratio?")]
        public BoolParameter rounded = new BoolParameter(false);

        public bool IsActive() => intensity.value > 0f;

        public bool IsTileCompatible() => true;
    }
}