diff --git a/examples/Scripts/RotationRaster.html b/examples/Scripts/RotationRaster.html
index fe6dc12e..fca7ff49 100644
--- a/examples/Scripts/RotationRaster.html
+++ b/examples/Scripts/RotationRaster.html
@@ -7,24 +7,35 @@
 	<script type="text/javascript">var root = '../../'</script>
 	<script type="text/javascript" src="../../src/load.js"></script>
 	<script type="text/paperscript" canvas="canvas">
-		document.currentStyle.fillColor = 'black';
-		var raster = new Raster('lenna');
+		var raster = new Raster('lenna'),
+			size = new Size(50, 50),
+			colSize = raster.size / size * 1.5,
+			fullSize = size * colSize;
+
 		raster.hidden = true;
-		var size = new Size(50, 50);
-		var colSize = raster.size / size * 1.5;
 		raster.size = size;
 		for (var x = 0; x < size.width; x++) {
 			for (var y = 0; y < size.height; y++) {
-				var gray = raster.getPixel(x, y).gray * 0.9;
+				var color = raster.getPixel(x, y),
+					gray = color.gray * 0.9;
 				if (gray > 0.1) {
-					var pos = new Point(x, y) * colSize + colSize / 2;
-					var rectSize = gray * colSize.width;
-					var path = new Path.Rectangle([0, 0], [rectSize, rectSize]);
+					var pos = new Point(x, y) * colSize + colSize / 2,
+						rectSize = gray * colSize.width,
+						path = new Path.Rectangle([0, 0], [rectSize, rectSize]);
+					path.fillColor = color;
 					path.position = pos;
 					path.rotate(gray * 180);
 				}
 			}
 		}
+		document.activeLayer.position = document.bounds.center;
+
+		// Reposition the paths whenever the window is resized:
+		DomEvent.add(window, {
+			resize: function(event) {
+				document.activeLayer.position = document.bounds.center;
+			}
+		});
 	</script>
 </head>
 <body>
diff --git a/src/item/Item.js b/src/item/Item.js
index 7ca7feaf..8d4829c7 100644
--- a/src/item/Item.js
+++ b/src/item/Item.js
@@ -458,14 +458,16 @@ var Item = this.Item = Base.extend({
 				y1 = x1,
 				y2 = x2;
 			for (var i = 0, l = children.length; i < l; i++) {
-				var child = children[i],
-					rect = includeStroke
-						? child.getStrokeBounds()
-						: child.getBounds();
-				x1 = Math.min(rect.x, x1);
-				y1 = Math.min(rect.y, y1);
-				x2 = Math.max(rect.x + rect.width, x2);
-				y2 = Math.max(rect.y + rect.height, y2);
+				var child = children[i];
+				if (child.visible) {
+					var rect = includeStroke
+							? child.getStrokeBounds()
+							: child.getBounds();
+					x1 = Math.min(rect.x, x1);
+					y1 = Math.min(rect.y, y1);
+					x2 = Math.max(rect.x + rect.width, x2);
+					y2 = Math.max(rect.y + rect.height, y2);
+				}
 			}
 			return includeStroke
 				? Rectangle.create(x1, y1, x2 - x1, y2 - y1)
diff --git a/src/util/PaperScript.js b/src/util/PaperScript.js
index 121d0bd5..9b74a6a8 100644
--- a/src/util/PaperScript.js
+++ b/src/util/PaperScript.js
@@ -154,15 +154,18 @@ var PaperScript = this.PaperScript = new function() {
 						DomEvent.requestAnimationFrame(frame, doc && doc.canvas);
 						onFrame();
 						// Automatically redraw document each frame.
-						doc && doc.redraw();
-					}
-					DomEvent.requestAnimationFrame(frame, doc && doc.canvas);
+						if (doc)
+							doc.redraw();
+					};
+					// Call the onFrame handler and redraw the document:
+					frame();
+				} else {
+					// Automatically redraw document at the end.
+					if (doc)
+						doc.redraw();
 				}
 			} catch (e) {
 			}
-			// Automatically redraw document at the end.
-			if (doc)
-				doc.redraw();
 			return res;
 		}
 	}
