/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
QuadTreeNode.CalculateIndexData(GraphicsDevice);
_oldMouseState = Mouse.GetState();
_oldKeyboardState = Keyboard.GetState();
int worldSeed = 1;
NoiseProvider mainNoiseProvider = new NoiseProvider(worldSeed, 4, 0.3f, 6000);
NoiseProvider modulationNoiseProvider = new NoiseProvider(worldSeed + 1, 2, 0.2f, 50000);
DirectionLight light = new DirectionLight(Vector3.Normalize(new Vector3(0, -0.3f, 1)), 1, 0.1f);
Atmosphere atmosphere = new Atmosphere(150000, new Color(0.3f, 0.5f, 0.9f));
_world = new World(GraphicsDevice, new TerrainHeightProvider(mainNoiseProvider, modulationNoiseProvider), 1737000, light, new Random(worldSeed), atmosphere);
Matrix cameraProjectionMatrix = Matrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(60), GraphicsDevice.Viewport.AspectRatio, CentredCamera.NearPlaneDistance, CentredCamera.FarPlaneDistance);
_camera = new CentredCamera()
{
Position = new Vector3Double(0, _world.Radius + 3000, 0),
Orientation = Matrix.Identity,
ProjectionMatrix = cameraProjectionMatrix,
MovementSpeed = 1000
};
_starTexture = new Texture2D(GraphicsDevice, 1, 1);
_starTexture.SetData(new Color[] { Color.White });
_spriteBatch = new SpriteBatch(GraphicsDevice);
base.Initialize();
}