From 7b4f41e36ca181e026eb93fe3d2185fcfdb8d132 Mon Sep 17 00:00:00 2001
From: Viktor Lidholt <viktorl@google.com>
Date: Mon, 10 Aug 2015 12:37:12 -0700
Subject: [PATCH] Adds new Layer class

---
 examples/game/lib/layer.dart   | 19 +++++++++++++++++++
 examples/game/lib/sprites.dart |  1 +
 2 files changed, 20 insertions(+)
 create mode 100644 examples/game/lib/layer.dart

diff --git a/examples/game/lib/layer.dart b/examples/game/lib/layer.dart
new file mode 100644
index 00000000000..ca09d3ff84c
--- /dev/null
+++ b/examples/game/lib/layer.dart
@@ -0,0 +1,19 @@
+part of sprites;
+
+class Layer extends Node with SpritePaint {
+  Paint _cachedPaint = new Paint()
+    ..setFilterQuality(FilterQuality.low)
+    ..isAntiAlias = false;
+
+  void _prePaint(PaintingCanvas canvas, Matrix4 matrix) {
+    super._prePaint(canvas, matrix);
+
+    _updatePaint(_cachedPaint);
+    canvas.saveLayer(null, _cachedPaint);
+  }
+
+  void _postPaint(PaintingCanvas canvas, Matrix4 totalMatrix) {
+    canvas.restore();
+    super._postPaint(canvas, totalMatrix);
+  }
+}
diff --git a/examples/game/lib/sprites.dart b/examples/game/lib/sprites.dart
index ee4cdd77ea3..801dbc0dd45 100644
--- a/examples/game/lib/sprites.dart
+++ b/examples/game/lib/sprites.dart
@@ -21,6 +21,7 @@ import 'package:vector_math/vector_math.dart';
 part 'action.dart';
 part 'color_secuence.dart';
 part 'image_map.dart';
+part 'layer.dart';
 part 'node.dart';
 part 'node3d.dart';
 part 'node_with_size.dart';