Kav/Lights/DirectionalLight.cs

using Microsoft.Xna.Framework;

namespace Kav
{
    public struct DirectionalLight
    {
        public Vector3 Direction { get; set; }
        public Color Color { get; set; }
        public float Intensity { get; set; }

        public Matrix View
        {
            get
            {
                return Matrix.CreateLookAt(-Direction * 100f, Vector3.Zero, Vector3.Up);
            }
        }

        public Matrix Projection
        {
            get
            {
                return Matrix.CreateOrthographic(20f, 20f, 1f, 101f);
            }
        }

        public DirectionalLight(Vector3 direction, Color color, float intensity = 1f)
        {
            Direction = direction;
            Color = color;
            Intensity = intensity;
        }
    }
}