Version 0.8.10.8

dart/samples/solar/web/solar.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * A solar system visualization.
  */
 
 library solar;
 
@@ skipping 39 matching lines @@
   start() {
     // Measure the canvas element.
     Rectangle rect = canvas.parent.client;
     width = rect.width;
     height = rect.height;
     canvas.width = width;
 
     // Create sun.
     final mercury = new PlanetaryBody(this, "orange", 0.382, 0.387, 0.241);
     final venus   = new PlanetaryBody(this, "green", 0.949, 0.723, 0.615);
-    sun = new PlanetaryBody(this, "#ff2", 14.0)..addPlanet(mercury)
-                                               ..addPlanet(venus);
-
     final earth = new PlanetaryBody(this, "#33f", 1.0, 1.0, 1.0);
     final moon  = new PlanetaryBody(this, "gray", 0.2, 0.14, 0.075);
+    earth.addPlanet(moon);
+
     final mars  = new PlanetaryBody(this, "red", 0.532, 1.524, 1.88);
-    sun.addPlanet(earth..addPlanet(moon)
-                       ..addPlanet(mars));
-
-    addAsteroidBelt(sun, 150);
 
     final f = 0.1;
     final h = 1 / 1500.0;
     final g = 1 / 72.0;
 
     final jupiter  = new PlanetaryBody(this, "gray", 4.0, 5.203, 11.86);
     final io       = new PlanetaryBody(this, "gray", 3.6*f, 421*h, 1.769*g);
     final europa   = new PlanetaryBody(this, "gray", 3.1*f, 671*h, 3.551*g);
     final ganymede = new PlanetaryBody(this, "gray", 5.3*f, 1070*h, 7.154*g);
     final callisto = new PlanetaryBody(this, "gray", 4.8*f, 1882*h, 16.689*g);
-    sun.addPlanet(jupiter..addPlanet(io)
-                         ..addPlanet(europa)
-                         ..addPlanet(ganymede)
-                         ..addPlanet(callisto));
-    requestRedraw();
+    jupiter..addPlanet(io)
+           ..addPlanet(europa)
+           ..addPlanet(ganymede)
+           ..addPlanet(callisto);
+
+    sun = new PlanetaryBody(this, "#ff2", 14.0)..addPlanet(mercury)
+                                               ..addPlanet(venus)
+                                               ..addPlanet(earth)
+                                               ..addPlanet(mars)
+                                               ..addPlanet(jupiter);
+
+    addAsteroidBelt(sun, 150);
+
+   requestRedraw();
   }
 
   void draw(num _) {
     num time = new DateTime.now().millisecondsSinceEpoch;
     if (renderTime != null) showFps(1000 / (time - renderTime));
     renderTime = time;
 
     var context = canvas.context2D;
     drawBackground(context);
     drawPlanets(context);
@@ skipping 102 matching lines @@
   num calculateSpeed(num period) =>
     period == 0.0 ? 0.0 : 1 / (60.0 * 24.0 * 2 * period);
 
   Point calculatePos(Point p) {
     if (orbitSpeed == 0.0) return p;
     num angle = solarSystem.renderTime * orbitSpeed;
     return new Point(orbitRadius * cos(angle) + p.x,
                      orbitRadius * sin(angle) + p.y);
   }
 }