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| 1 import 'package:angular/angular.dart'; | |
| 2 import 'dart:html'; | |
| 3 import 'dart:math'; | |
| 4 import 'dart:core'; | |
| 5 | |
| 6 var random = new Random(); | |
| 7 var width = 400; | |
| 8 var height = 400; | |
| 9 var speed = .05; | |
| 10 | |
| 11 class BallModel { | |
| 12 var x = width * random.nextDouble(); | |
| 13 var y = height * random.nextDouble(); | |
| 14 var velX = 2 * speed * random.nextDouble() - speed; | |
| 15 var velY = 2 * speed * random.nextDouble() - speed; | |
| 16 var color = BallModel._color(); | |
| 17 | |
| 18 static _color() { | |
| 19 var color = '#'; | |
| 20 for(var i=0; i < 6; i++) { | |
| 21 color += (16 * random.nextDouble()).floor().toRadixString(16); | |
| 22 } | |
| 23 return color; | |
| 24 } | |
| 25 | |
| 26 } | |
| 27 | |
| 28 @NgController( | |
| 29 selector: '[bounce-controller]', | |
| 30 publishAs: 'bounce' | |
| 31 ) | |
| 32 class BounceController { | |
| 33 var lastTime = window.performance.now(); | |
| 34 var run = true; | |
| 35 var fps = 0; | |
| 36 var digestTime = 0; | |
| 37 var balls = []; | |
| 38 var zone; | |
| 39 var scope; | |
| 40 var ballClassName = 'ball'; | |
| 41 | |
| 42 BounceController(NgZone this.zone, Scope this.scope) { | |
| 43 changeCount(100); | |
| 44 tick(); | |
| 45 } | |
| 46 | |
| 47 toggleCSS() { | |
| 48 ballClassName = ballClassName == '' ? 'ball' : ''; | |
| 49 } | |
| 50 | |
| 51 playPause() { | |
| 52 run = !run; | |
| 53 if (run) requestAnimationFrame(tick); | |
| 54 } | |
| 55 | |
| 56 requestAnimationFrame(fn) { | |
| 57 window.requestAnimationFrame((_) => zone.run(fn)); | |
| 58 } | |
| 59 | |
| 60 changeCount(count) { | |
| 61 while(count > 0) { | |
| 62 balls.add(new BallModel()); | |
| 63 count--; | |
| 64 } | |
| 65 while(count < 0) { | |
| 66 balls.removeAt(0); | |
| 67 count++; | |
| 68 } | |
| 69 tick(); | |
| 70 } | |
| 71 | |
| 72 timeDigest() { | |
| 73 var start = window.performance.now(); | |
| 74 scope.$evalAsync(() { | |
| 75 digestTime = (window.performance.now() - start).round(); | |
| 76 }, outsideDigest: true); | |
| 77 } | |
| 78 | |
| 79 tick() { | |
| 80 var now = window.performance.now(), | |
| 81 delay = now - lastTime; | |
| 82 | |
| 83 fps = (1000/delay).round(); | |
| 84 for(var i=0, ii=balls.length; i<ii; i++) { | |
| 85 var b = balls[i]; | |
| 86 b.x += delay * b.velX; | |
| 87 b.y += delay * b.velY; | |
| 88 if (b.x < 0) { b.x *= -1; b.velX *= -1; } | |
| 89 if (b.y < 0) { b.y *= -1; b.velY *= -1; } | |
| 90 if (b.x > width) { b.x = 2*width - b.x; b.velX *= -1; } | |
| 91 if (b.y > height) { b.y = 2*height - b.y; b.velY *= -1; } | |
| 92 } | |
| 93 lastTime = now; | |
| 94 timeDigest(); | |
| 95 if (run) requestAnimationFrame(tick); | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 @NgDirective( | |
| 100 selector: '[ball-position]', | |
| 101 map: const { | |
| 102 "ballPosition": '=>position' | |
| 103 } | |
| 104 ) | |
| 105 class BallPositionDirective { | |
| 106 Element element; | |
| 107 Scope scope; | |
| 108 BallPositionDirective(Element this.element, Scope this.scope); | |
| 109 | |
| 110 set position(BallModel model) { | |
| 111 element.style.backgroundColor = model.color; | |
| 112 scope.$watch(() { | |
| 113 element.style.left = '${model.x + 10}px'; | |
| 114 element.style.top = '${model.y + 10}px'; | |
| 115 }); | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 class MyModule extends Module { | |
| 120 MyModule() { | |
| 121 type(BounceController); | |
| 122 type(BallPositionDirective); | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 main() { | |
| 127 ngBootstrap(module: new MyModule()); | |
| 128 } | |
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Chromium Code Reviews
Issue 176943008:
Update the Angular/DI tests to latest from github. (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart