encompass-cs/encompass-cs/RenderManager.cs

using System.Collections.Generic;

namespace Encompass
{
    internal class RenderManager
    {
        private readonly EntityManager _entityManager;
        private readonly List<Renderer> renderers = new List<Renderer>();

        public RenderManager(EntityManager entityManager)
        {
            _entityManager = entityManager;
        }

        public void AddRenderer(Renderer renderer)
        {
            renderers.Add(renderer);
        }

        public void Draw(double dt, double alpha)
        {
            foreach (var renderer in renderers)
            {
                renderer.Render(dt, alpha);
            }
        }
    }
}