/// <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()
{
// Initialize the graphics
_renderer = new Renderer(graphics);
// Initialize the scene root
_root = new SceneNode(null, "_root_");
// Add a test sprite
SceneNode node = new SceneNode(_root, "Test Node");
SpriteAttachment spriteAttachment = new SpriteAttachment(node, new Sprite(Content.Load<Texture2D>("sting"), new Vector2(64, 96)));
node.Position = new Vector2(200.0f, 200.0f);
base.Initialize();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="owner"></param>
/// <param name="sprite"></param>
public SpriteAttachment(SceneNode owner, Sprite sprite)
: base(owner)
{
_sprite = sprite;
}
/// <summary>
/// Processes a collision to the scene node
/// </summary>
/// <param name="gameTime">Elapsed game time</param>
/// <param name="collider">The object colliding with the node</param>
public virtual void OnCollision(GameTime gameTime, SceneNode collider)
{
}
protected SceneNode _owner; // Node that owns this attachment
#endregion Fields
#region Constructors
/// <summary>
/// Constructor
/// </summary>
/// <param name="_owner">Node that owns this attachment</param>
public SceneNodeAttachment(SceneNode owner)
{
Owner = owner;
}
private Vector2 _position = Vector2.Zero; // Location of the centre of the scene node
#endregion Fields
#region Constructors
/// <summary>
/// Constructor
/// </summary>
/// <param name="parent">Parent node</param>
/// <param name="name">Name of the node</param>
public SceneNode(SceneNode parent, String name)
: base(parent)
{
_name = name;
_attachments = new List<SceneNodeAttachment>();
}
/// <summary>
/// Processes a collision with the scene node
/// </summary>
/// <param name="gameTime">Elapsed game time</param>
public virtual void OnCollision(GameTime gameTime, SceneNode collider)
{
// Notify all attachments of the collision
foreach (SceneNodeAttachment attachment in _attachments)
{
attachment.OnCollision(gameTime, collider);
}
}
