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trunk/src/Icarus/Logic/ChildObject.cs

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+using System;
+
+using Icarus.Logic.Physics;
+using Icarus.Graphics.Animation;
+
+namespace Icarus.Logic
+{
+	/// <summary>
+	/// This is a child object. Basically, it means it's a subcomponent of another object. For instance, suppose we have the Merc world object. He could have a "whip" child object.
+	/// </summary>
+	public class ChildObject: WorldObject
+	{
+		#region Data
+		/// <summary>
+		/// The anchor point for the child.
+		/// </summary>
+		private Point mAnchorPoint;
+
+		/// <summary>
+		/// The parent world object.
+		/// </summary>
+		private WorldObject mParent;
+		#endregion
+
+		#region Fields
+		/// <summary>
+		/// Anchor Point. The anchor point is the coordinate of the parent object where the top-left corner of the child goes.
+		/// </summary>
+		public Point AnchorPoint
+		{
+			get { return mAnchorPoint; }
+			set { mAnchorPoint = value; }
+		}
+
+		/// <summary>
+		/// The parent of the child object.
+		/// </summary>
+		[System.Xml.Serialization.XmlIgnore]
+		public WorldObject Parent
+		{
+			get { return mParent; }
+			set { mParent = value; }
+		}
+
+		/// <summary>
+		/// The location of the child component.
+		/// </summary>
+		public override Point Location
+		{
+			get
+			{
+				return this.Parent.Location.Add(this.AnchorPoint);
+			}
+		}
+
+		/// <summary>
+		/// Velocity of the child component.
+		/// </summary>
+		public override Vector Velocity
+		{
+			get
+			{
+				return this.Parent.Velocity;
+			}
+		}
+		#endregion
+	}
+}