From 2b20319ab8eca8c62a6d3cd938d27ec0517c6291 Mon Sep 17 00:00:00 2001
From: zepumph <michael.kauzmann@colorado.edu>
Date: Fri, 9 Jun 2017 13:50:53 -0800
Subject: [PATCH] instrumented blast for phet-io,
 https://github.com/phetsims/blast/issues/5

---
 js/blast-main.js                 | 29 ++++++++++++++++++-----------
 js/blast/BlastScreen.js          | 10 ++++++----
 js/blast/model/BlastModel.js     |  5 +++--
 js/blast/model/Particle.js       | 14 +++++++++++---
 js/blast/view/BlastScreenView.js |  7 ++++---
 js/blast/view/ParticleNode.js    |  6 ++++--
 6 files changed, 46 insertions(+), 25 deletions(-)

diff --git a/js/blast-main.js b/js/blast-main.js
index 25d8741..1e0b617 100644
--- a/js/blast-main.js
+++ b/js/blast-main.js
@@ -13,25 +13,32 @@ define( function( require ) {
   var Sim = require( 'JOIST/Sim' );
   var BlastScreen = require( 'BLAST/blast/BlastScreen' );
   var Property = require( 'AXON/Property' );
+  var Tandem = require( 'TANDEM/Tandem' );
 
   // strings
   var blastTitleString = require( 'string!BLAST/blast.title' );
 
   SimLauncher.launch( function() {
 
+    var tandem = Tandem.createRootTandem();
+
     // add 2 instances of the same screen for memory leak testing, see phetsims/tasks#546.
     var screens = [
-      new BlastScreen( {
-        name: 'Blast 1',
-        backgroundColorProperty: new Property( 'white' ),
-        particleColor: 'red'
-      } ),
-      new BlastScreen( {
-        name: 'Blast 2',
-        backgroundColorProperty: new Property( 'rgb( 255, 227, 204 )' ),
-        particleColor: 'green'
-      } )
-    ];
+        new BlastScreen( tandem.createTandem( 'blast1Screen' ),
+          {
+            name: 'Blast 1',
+            backgroundColorProperty: new Property( 'white' ),
+            particleColor: 'red'
+          }
+        ),
+        new BlastScreen( tandem.createTandem( 'blast2Screen' ),
+          {
+            name: 'Blast 2',
+            backgroundColorProperty: new Property( 'rgb( 255, 227, 204 )' ),
+            particleColor: 'green'
+          } )
+      ]
+      ;
 
     new Sim( blastTitleString, screens ).start();
   } );
diff --git a/js/blast/BlastScreen.js b/js/blast/BlastScreen.js
index 304ffe3..0ef7563 100644
--- a/js/blast/BlastScreen.js
+++ b/js/blast/BlastScreen.js
@@ -17,13 +17,15 @@ define( function( require ) {
   var Screen = require( 'JOIST/Screen' );
 
   /**
+   * @param {Tandem} tandem
    * @param {Object} [options]
    * @constructor
    */
-  function BlastScreen( options ) {
+  function BlastScreen( tandem, options ) {
 
     options = _.extend( {
-      particleColor: 'black'
+      particleColor: 'black',
+      tandem: tandem
     }, options );
 
     assert && assert( !options.homeScreenIcon );
@@ -32,8 +34,8 @@ define( function( require ) {
     } );
 
     Screen.call( this,
-      function() { return new BlastModel(); },
-      function( model ) { return new BlastScreenView( model, options.particleColor ); },
+      function() { return new BlastModel( tandem ); },
+      function( model ) { return new BlastScreenView( model, options.particleColor, tandem ); },
       options );
   }
 
diff --git a/js/blast/model/BlastModel.js b/js/blast/model/BlastModel.js
index bbca19a..6ea8e15 100644
--- a/js/blast/model/BlastModel.js
+++ b/js/blast/model/BlastModel.js
@@ -14,10 +14,11 @@ define( function( require ) {
   var inherit = require( 'PHET_CORE/inherit' );
 
   /**
+   * @param {Tandem} tandem
    * @constructor
    */
-  function BlastModel() {
-    this.particle = new Particle(); // @public
+  function BlastModel( tandem ) {
+    this.particle = new Particle( tandem ); // @public
   }
 
   blast.register( 'BlastModel', BlastModel );
diff --git a/js/blast/model/Particle.js b/js/blast/model/Particle.js
index b420ee8..ceb4ab5 100644
--- a/js/blast/model/Particle.js
+++ b/js/blast/model/Particle.js
@@ -12,15 +12,23 @@ define( function( require ) {
   var blast = require( 'BLAST/blast' );
   var inherit = require( 'PHET_CORE/inherit' );
   var Property = require( 'AXON/Property' );
+  var TNumber = require( 'ifphetio!PHET_IO/types/TNumber' );
 
   /**
    * @constructor
+   * @param {Tandem} tandem
    */
-  function Particle() {
+  function Particle( tandem ) {
 
     // @public
-    this.xProperty = new Property( 50 );
-    this.velocityProperty = new Property( 5 );
+    this.xProperty = new Property( 50, {
+      tandem: tandem.createTandem( 'xProperty' ),
+      phetioValueType: TNumber()
+    } );
+    this.velocityProperty = new Property( 5, {
+      tandem: tandem.createTandem( 'velocityProperty' ),
+      phetioValueType: TNumber()
+    } );
 
     // @public (read-only) y is constant
     this.y = 50;
diff --git a/js/blast/view/BlastScreenView.js b/js/blast/view/BlastScreenView.js
index 24fac51..a661f2d 100644
--- a/js/blast/view/BlastScreenView.js
+++ b/js/blast/view/BlastScreenView.js
@@ -17,11 +17,12 @@ define( function( require ) {
   /**
    * @param {BlastModel} model
    * @param {Color|string} particleColor
+   * @param {Tandem} tandem
    * @constructor
    */
-  function BlastScreenView( model, particleColor ) {
-    ScreenView.call( this, { cssTransform: true } );
-    this.addChild( new ParticleNode( model.particle, particleColor ) );
+  function BlastScreenView( model, particleColor, tandem ) {
+    ScreenView.call( this, { cssTransform: true, tandem: tandem } );
+    this.addChild( new ParticleNode( model.particle, particleColor, tandem.createTandem( 'particleNode' ) ) );
   }
 
   blast.register( 'BlastScreenView', BlastScreenView );
diff --git a/js/blast/view/ParticleNode.js b/js/blast/view/ParticleNode.js
index f7629bf..4c4a77f 100644
--- a/js/blast/view/ParticleNode.js
+++ b/js/blast/view/ParticleNode.js
@@ -19,14 +19,16 @@ define( function( require ) {
   /**
    * @param {Particle} particle
    * @param {String|color} color
+   * @param {Tandem} tandem
    * @constructor
    */
-  function ParticleNode( particle, color ) {
+  function ParticleNode( particle, color, tandem ) {
 
     Rectangle.call( this, -PARTICLE_SIZE / 2, 0, PARTICLE_SIZE, PARTICLE_SIZE, {
       x: particle.x,
       y: particle.y,
-      fill: color
+      fill: color,
+      tandem: tandem
     } );
 
     var self = this;