using Friflo.Engine.ECS;
using Microsoft.Xna.Framework;

namespace MrGameEng.Lighting;

/// <summary>
/// A point light: an entity with this component plus a <see cref="MrGameEng.Graphics.Transform2D"/>
/// adds light around its world position, attenuating to zero at <see cref="Radius"/> and casting
/// grid-traced shadows behind occluders. Picked up by the lighting system into the lightmap.
/// </summary>
public struct PointLight : IComponent
{
    /// <summary>Reach of the light in world units (light fades to zero at this distance).</summary>
    public float Radius;

    /// <summary>Light tint (reserved for colored lights; intensity currently drives brightness).</summary>
    public Color Color;

    /// <summary>Peak brightness added at the light's centre (0..1+).</summary>
    public float Intensity;
}