protected Sprite _sprite; // Sprite for the object
#endregion Fields
#region Constructors
/// <summary>
/// Constructor
/// </summary>
/// <param name="parent">Parent of the object</param>
/// <param name="name">Name of the object</param>
/// <param name="sprite">Sprite representing the object</param>
public WorldObject(SceneNode parent, String name, Sprite sprite)
: base(parent, name)
{
_sprite = sprite;
_position = Vector2.Zero;
_aabb = new AABB(Centre, new Vector2(sprite.Width / 2.0f, sprite.Height / 2.0f));
}
/// <summary>
/// Checks for a collision between 2 AABBs
/// </summary>
/// <param name="box"></param>
/// <returns></returns>
public bool DoesCollide(AABB box)
{
// If there is no overlap in either the x or the y direction, there can't possible be a collision
if (Math.Abs(_centre.X - box.Centre.X) > (_halfWidths.X + box.HalfWidths.X))
{
return false;
}
if (Math.Abs(_centre.Y - box.Centre.Y) > (_halfWidths.Y + box.HalfWidths.Y)) {
return false;
}
// Overlaps were detected in both directions, there must be a collision
return true;
}
/// <summary>
/// Updates the world object
/// </summary>
/// <param name="gameTime">Game Time</param>
public override void Update(GameTime gameTime)
{
_previousPosition = _position;
_previousAABB = _aabb;
_sprite.Update(gameTime);
base.Update(gameTime);
}