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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 import 'dart:sky' as sky; | 5 import 'dart:sky' as sky; |
6 import 'dart:math' as math; | 6 import 'dart:math' as math; |
7 | 7 |
8 import 'package:sky/app/scheduler.dart'; | 8 import 'package:sky/app/scheduler.dart'; |
9 import 'package:sky/app/view.dart'; | |
10 import 'package:sky/rendering/box.dart'; | 9 import 'package:sky/rendering/box.dart'; |
11 import 'package:sky/rendering/flex.dart'; | 10 import 'package:sky/rendering/flex.dart'; |
| 11 import 'package:sky/rendering/sky_binding.dart'; |
12 import 'package:vector_math/vector_math.dart'; | 12 import 'package:vector_math/vector_math.dart'; |
13 | 13 |
14 import '../lib/solid_color_box.dart'; | 14 import '../lib/solid_color_box.dart'; |
15 | 15 |
16 AppView app; | |
17 double timeBase; | 16 double timeBase; |
18 RenderTransform transformBox; | 17 RenderTransform transformBox; |
19 | 18 |
20 void main() { | 19 void main() { |
21 RenderFlex flexRoot = new RenderFlex(direction: FlexDirection.vertical); | 20 RenderFlex flexRoot = new RenderFlex(direction: FlexDirection.vertical); |
22 | 21 |
23 void addFlexChildSolidColor(RenderFlex parent, sky.Color backgroundColor, { in
t flex: 0 }) { | 22 void addFlexChildSolidColor(RenderFlex parent, sky.Color backgroundColor, { in
t flex: 0 }) { |
24 RenderSolidColorBox child = new RenderSolidColorBox(backgroundColor); | 23 RenderSolidColorBox child = new RenderSolidColorBox(backgroundColor); |
25 parent.add(child); | 24 parent.add(child); |
26 child.parentData.flex = flex; | 25 child.parentData.flex = flex; |
27 } | 26 } |
28 | 27 |
29 addFlexChildSolidColor(flexRoot, const sky.Color(0xFFFF00FF), flex: 1); | 28 addFlexChildSolidColor(flexRoot, const sky.Color(0xFFFF00FF), flex: 1); |
30 addFlexChildSolidColor(flexRoot, const sky.Color(0xFFFFFF00), flex: 2); | 29 addFlexChildSolidColor(flexRoot, const sky.Color(0xFFFFFF00), flex: 2); |
31 addFlexChildSolidColor(flexRoot, const sky.Color(0xFF00FFFF), flex: 1); | 30 addFlexChildSolidColor(flexRoot, const sky.Color(0xFF00FFFF), flex: 1); |
32 | 31 |
33 transformBox = new RenderTransform(child: flexRoot, transform: new Matrix4.ide
ntity()); | 32 transformBox = new RenderTransform(child: flexRoot, transform: new Matrix4.ide
ntity()); |
34 | 33 |
35 RenderPadding root = new RenderPadding(padding: new EdgeDims.all(20.0), child:
transformBox); | 34 RenderPadding root = new RenderPadding(padding: new EdgeDims.all(20.0), child:
transformBox); |
36 | 35 |
37 app = new AppView(root: root); | 36 new SkyBinding(root: root); |
38 | 37 |
39 addPersistentFrameCallback(rotate); | 38 addPersistentFrameCallback(rotate); |
40 } | 39 } |
41 | 40 |
42 void rotate(double timeStamp) { | 41 void rotate(double timeStamp) { |
43 if (timeBase == null) | 42 if (timeBase == null) |
44 timeBase = timeStamp; | 43 timeBase = timeStamp; |
45 double delta = (timeStamp - timeBase) / 1000; // radians | 44 double delta = (timeStamp - timeBase) / 1000; // radians |
46 | 45 |
47 transformBox.setIdentity(); | 46 transformBox.setIdentity(); |
48 transformBox.translate(transformBox.size.width / 2.0, transformBox.size.height
/ 2.0); | 47 transformBox.translate(transformBox.size.width / 2.0, transformBox.size.height
/ 2.0); |
49 transformBox.rotateZ(delta); | 48 transformBox.rotateZ(delta); |
50 transformBox.translate(-transformBox.size.width / 2.0, -transformBox.size.heig
ht / 2.0); | 49 transformBox.translate(-transformBox.size.width / 2.0, -transformBox.size.heig
ht / 2.0); |
51 } | 50 } |
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