diff --git a/FrameInfo.as b/FrameInfo.as
new file mode 100755
index 0000000..69227a2
--- /dev/null
+++ b/FrameInfo.as
@@ -0,0 +1,10 @@
+package
+{
+	import flash.display.*;
+	public class FrameInfo
+	{
+		public var frame:BitmapData;
+		public var rect:Rectangle = new Rectangle();
+		public var sheetIndex:int = 0;
+	}
+}
\ No newline at end of file

diff --git a/FrameInfo.as b/FrameInfo.as
new file mode 100755
index 0000000..69227a2
--- /dev/null
+++ b/FrameInfo.as
@@ -0,0 +1,10 @@
+package
+{
+	import flash.display.*;
+	public class FrameInfo
+	{
+		public var frame:BitmapData;
+		public var rect:Rectangle = new Rectangle();
+		public var sheetIndex:int = 0;
+	}
+}
\ No newline at end of file
diff --git a/FramePacker.as b/FramePacker.as
new file mode 100755
index 0000000..6508f32
--- /dev/null
+++ b/FramePacker.as
@@ -0,0 +1,91 @@
+package
+{
+	public class FramePacker
+	{
+		private var frames:Array;	// [FrameInfo]
+		public void Pack(frames:Array)
+		{
+			this.frames = frames.filter(function(i:FrameInfo) { return i.frame != null; });
+		}
+		
+		public function DetermineMinimumSheetSizeForClips(frames:Array):Point
+		{
+
+			/* TODO - FOR LARGE SIZED CHUNKS BETTER HANDLING FOR FINDING MINIMUM SIZE! */
+			
+			var areas:Array = new Array();
+			
+			for (var i = 0; i < frames.length; i++)
+			{
+				are
+			}
+			var areas:Array = frames.map(function(i:FrameInfo) { return i.frame.width * i.frame.height; });
+			var maxW = Math.max.apply(Math, frames.map(function(i:FrameInfo) { return i.frame.width; }));
+			var maxH = Math.max.apply(Math, frames.map(function(i:FrameInfo) { return i.frame.height; }));
+			var max = Math.max(maxW, maxH);
+			
+			var sorted:Array = areas.sort(Array.RETURNINDEXEDARRAY | Array.NUMERIC | Array.DESCENDING);
+
+			var exponent = Math.ceil(Math.log(max) / Math.log(2));
+			max = Math.pow(2, exponent);
+			
+			//rough heuristic to see if this process is worth doing. 
+			//it can be slow if there are a large number of big clips.
+			if (frames.length > 100 && max >= 512)
+			{
+				var s = Math.max(max, 1024);
+				return new Point(s, s);
+			}
+				
+			sheets.push(new SpriteSheet(2048, 2048));
+			for (var i = 0; i < frames.length; i++)
+			{
+				var sprite:TextureSprite = new TextureSprite(clips[sorted[i]], CACHESEQUENCES);
+				CacheClip(clips[sorted[i]], sprite);
+				sprites.push(sprite);
+			}
+			
+			var allUsedRects:Array = new Array();
+			var nodesToVisit:Array = new Array();
+			for (var i = 0; i < sheets.length; i++)
+			{
+				var sheet:SpriteSheet = sheets[i];
+				var nodes = sheet.GetAllocator().GetLeafNodes();
+				for (var n = 0; n < nodes.length; n++)
+				{
+					allUsedRects.push(nodes[n].Rect);
+				}
+			}
+			
+			var sizeFound = false;
+			var sheetSizeX = 64;
+			var sheetSizeY = 64;
+			while(!sizeFound)
+			{
+				var sheet:SpriteSheet = new SpriteSheet(sheetSizeX, sheetSizeY);
+				sizeFound = true;
+				for(var i = 0; i < allUsedRects.length; i++)
+				{
+					var node:RectangleNode = sheet.GetAllocator().Insert(allUsedRects[i].width, allUsedRects[i].height);
+					if (node == null)
+					{
+						sizeFound = false;
+						break;
+					}
+				}
+				if (sizeFound == false)
+				{
+					if (sheetSizeX == sheetSizeY)
+					{
+						sheetSizeX *= 2;
+					}
+					else
+					{
+						sheetSizeY *= 2;
+					}
+				}
+			}
+			return new Point(sheetSizeX, sheetSizeY);
+		}
+	}
+}
\ No newline at end of file