using Gowtu;
using OpenTK.Mathematics;

namespace GowtuApp
{
    class Program
    {
        public static void Main(string[] args)
        {
            Application application = new Application(512, 512, "GowtuApp");
            application.Load += OnLoaded;
            application.Run();
        }
        
        private static void OnLoaded()
        {
            GameObject g = new GameObject();
            g.AddComponent<Game>();
        }
    }

    public class Game : GameBehaviour
    {
        private GameObject camera;
        private GameObject light;
        private GameObject skybox;
        private GameObject plane;
        private GameObject cube;

        private void Start()
        {
            camera = Camera.mainCamera.gameObject;
            camera.transform.position = new Vector3(0, 1, 4);
            
            //To control camera use WASD (R to go up, F to go down)
            //Hold right mouse button to rotate
            var firstPersonCamera = camera.AddComponent<FirstPersonCamera>();
            firstPersonCamera.speed *= 0.05f;

            //This will light things up :)
            light = Light.mainLight.gameObject;
            light.transform.position = new Vector3(100, 200, 100);

            //A procedural skybox
            skybox = GameObject.CreatePrimitive(PrimitiveType.Skybox);

            //The ground
            plane = GameObject.CreatePrimitive(PrimitiveType.Plane);
            plane.transform.scale = new Vector3(1000, 1, 1000);
            var material = plane.GetComponent<MeshRenderer>().GetMaterial<DiffuseMaterial>(0);
            material.DiffuseColor = new Color(55, 166, 7, 255);

            //A cube which we will rotate
            cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
            cube.transform.position = new Vector3(0, 2, 0);
            material = cube.GetComponent<MeshRenderer>().GetMaterial<DiffuseMaterial>(0);
            material.DiffuseColor = new Color(52, 164, 235, 255);
        }

        private void Update()
        {
            cube.transform.rotation = Quaternion.FromAxisAngle(Vector3.UnitY, Time.Elapsed);
        }
    }
}