removed Matter.Metrics from release builds (now dev only)

Gruntfile.js

@@ -95,6 +95,18 @@ module.exports = function(grunt) {
           linkNatives: true
         }
       }
+    },
+    preprocess: {
+      options: {
+        inline: true,
+        context : {
+          DEBUG: false
+        }
+      },
+      js: {
+        src: 'build/<%= buildName %>.js',
+        dest: 'build/<%= buildName %>.js'
+      }
     }
   });
 
@@ -105,6 +117,7 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-contrib-jshint');
   grunt.loadNpmTasks('grunt-contrib-copy');
   grunt.loadNpmTasks('grunt-contrib-yuidoc');
+  grunt.loadNpmTasks('grunt-preprocess');
 
   grunt.registerTask('default', ['test', 'build']);
   grunt.registerTask('test', ['jshint']);
@@ -134,7 +147,7 @@ module.exports = function(grunt) {
     // edge build mode (default)
     if (isEdge || (!isDev && !isRelease)) {
       grunt.config.set('buildVersion', pkg.version + '-edge');
-      grunt.task.run('concat', 'uglify:min');
+      grunt.task.run('concat', 'preprocess', 'uglify:min');
     }
   });
 

package.json

@@ -21,13 +21,14 @@
   ],
   "devDependencies": {
     "grunt": "~0.4.2",
-    "grunt-contrib-jshint": "~0.6.3",
-    "grunt-contrib-uglify": "~0.2.7",
     "grunt-contrib-concat": "~0.3.0",
     "grunt-contrib-connect": "~0.6.0",
     "grunt-contrib-copy": "~0.5.0",
+    "grunt-contrib-jshint": "~0.6.3",
+    "grunt-contrib-uglify": "~0.2.7",
     "grunt-contrib-watch": "~0.5.3",
-    "grunt-contrib-yuidoc": "~0.5.1"
+    "grunt-contrib-yuidoc": "~0.5.1",
+    "grunt-preprocess": "^4.1.0"
   },
   "scripts": {
     "dev": "npm install && grunt dev",

src/collision/Detector.js

@@ -19,9 +19,12 @@ var Detector = {};
      */
     Detector.collisions = function(broadphasePairs, engine) {
         var collisions = [],
-            metrics = engine.metrics,
             pairsTable = engine.pairs.table;
 
+        // @if DEBUG
+        var metrics = engine.metrics;
+        // @endif
+        
         for (var i = 0; i < broadphasePairs.length; i++) {
             var bodyA = broadphasePairs[i][0], 
                 bodyB = broadphasePairs[i][1];
@@ -32,7 +35,9 @@ var Detector = {};
             if (!Detector.canCollide(bodyA.collisionFilter, bodyB.collisionFilter))
                 continue;
 
+            // @if DEBUG
             metrics.midphaseTests += 1;
+            // @endif
 
             // mid phase
             if (Bounds.overlaps(bodyA.bounds, bodyB.bounds)) {
@@ -51,14 +56,17 @@ var Detector = {};
                 // narrow phase
                 var collision = SAT.collides(bodyA, bodyB, previousCollision);
 
+                // @if DEBUG
                 metrics.narrowphaseTests += 1;
-
                 if (collision.reused)
                     metrics.narrowReuseCount += 1;
+                // @endif
 
                 if (collision.collided) {
                     collisions.push(collision);
+                    // @if DEBUG
                     metrics.narrowDetections += 1;
+                    // @endif
                 }
             }
         }
@@ -75,9 +83,12 @@ var Detector = {};
      */
     Detector.bruteForce = function(bodies, engine) {
         var collisions = [],
-            metrics = engine.metrics,
             pairsTable = engine.pairs.table;
 
+        // @if DEBUG
+        var metrics = engine.metrics;
+        // @endif
+
         for (var i = 0; i < bodies.length; i++) {
             for (var j = i + 1; j < bodies.length; j++) {
                 var bodyA = bodies[i], 
@@ -91,7 +102,9 @@ var Detector = {};
                 if (!Detector.canCollide(bodyA.collisionFilter, bodyB.collisionFilter))
                     continue;
 
+                // @if DEBUG
                 metrics.midphaseTests += 1;
+                // @endif
 
                 // mid phase
                 if (Bounds.overlaps(bodyA.bounds, bodyB.bounds)) {
@@ -110,14 +123,17 @@ var Detector = {};
                     // narrow phase
                     var collision = SAT.collides(bodyA, bodyB, previousCollision);
 
+                    // @if DEBUG
                     metrics.narrowphaseTests += 1;
-
                     if (collision.reused)
                         metrics.narrowReuseCount += 1;
+                    // @endif
 
                     if (collision.collided) {
                         collisions.push(collision);
+                        // @if DEBUG
                         metrics.narrowDetections += 1;
+                        // @endif
                     }
                 }
             }

src/collision/Grid.js

@@ -43,10 +43,12 @@ var Grid = {};
             buckets = grid.buckets,
             bucket,
             bucketId,
-            metrics = engine.metrics,
             gridChanged = false;
 
+        // @if DEBUG
+        var metrics = engine.metrics;
         metrics.broadphaseTests = 0;
+        // @endif
 
         for (i = 0; i < bodies.length; i++) {
             var body = bodies[i];
@@ -64,7 +66,9 @@ var Grid = {};
             // if the body has changed grid region
             if (!body.region || newRegion.id !== body.region.id || forceUpdate) {
 
+                // @if DEBUG
                 metrics.broadphaseTests += 1;
+                // @endif
 
                 if (!body.region || forceUpdate)
                     body.region = newRegion;

src/core/Engine.js

@@ -63,8 +63,12 @@ var Engine = {};
         engine.render = engine.render.controller.create(engine.render);
         engine.world = World.create(engine.world);
         engine.pairs = Pairs.create();
-        engine.metrics = engine.metrics || Metrics.create();
         engine.broadphase = engine.broadphase.controller.create(engine.broadphase);
+        engine.metrics = engine.metrics || { extended: false };
+
+        // @if DEBUG
+        engine.metrics = engine.metrics || Metrics.create();
+        // @endif
 
         return engine;
     };
@@ -102,8 +106,10 @@ var Engine = {};
         var allBodies = Composite.allBodies(world),
             allConstraints = Composite.allConstraints(world);
 
+        // @if DEBUG
         // reset metrics logging
         Metrics.reset(engine.metrics);
+        // @endif
 
         // if sleeping enabled, call the sleeping controller
         if (engine.enableSleeping)
@@ -173,8 +179,10 @@ var Engine = {};
         if (pairs.collisionEnd.length > 0)
             Events.trigger(engine, 'collisionEnd', { pairs: pairs.collisionEnd });
 
+        // @if DEBUG
         // update metrics log
         Metrics.update(engine.metrics, engine);
+        // @endif
 
         // clear force buffers
         _bodiesClearForces(allBodies);

src/core/Metrics.js

@@ -1,7 +1,7 @@
+// @if DEBUG
 /**
 * _Internal Class_, not generally used outside of the engine's internals.
 *
-* @class Metrics
 */
 
 var Metrics = {};
@@ -11,6 +11,7 @@ var Metrics = {};
     /**
      * Description
      * @method create
+     * @private
      * @return {metrics} A new metrics
      */
     Metrics.create = function() {
@@ -35,6 +36,7 @@ var Metrics = {};
     /**
      * Description
      * @method reset
+     * @private
      * @param {metrics} metrics
      */
     Metrics.reset = function(metrics) {
@@ -58,6 +60,7 @@ var Metrics = {};
     /**
      * Description
      * @method update
+     * @private
      * @param {metrics} metrics
      * @param {engine} engine
      */
@@ -80,3 +83,4 @@ var Metrics = {};
     };
 
 })();
+// @endif

src/module/Outro.js

@@ -25,7 +25,6 @@ Matter.Constraint = Constraint;
 Matter.MouseConstraint = MouseConstraint;
 Matter.Common = Common;
 Matter.Engine = Engine;
-Matter.Metrics = Metrics;
 Matter.Mouse = Mouse;
 Matter.Sleeping = Sleeping;
 Matter.Bodies = Bodies;
@@ -40,6 +39,10 @@ Matter.Events = Events;
 Matter.Query = Query;
 Matter.Runner = Runner;
 
+// @if DEBUG
+Matter.Metrics = Metrics;
+// @endif
+
 // CommonJS module
 if (typeof exports !== 'undefined') {
     if (typeof module !== 'undefined' && module.exports) {

src/render/Render.js

@@ -232,6 +232,7 @@ var Render = {};
             var text = "";
             text += "fps: " + Math.round(engine.timing.fps) + space;
 
+            // @if DEBUG
             if (engine.metrics.extended) {
                 text += "delta: " + engine.timing.delta.toFixed(3) + space;
                 text += "correction: " + engine.timing.correction.toFixed(3) + space;
@@ -248,6 +249,7 @@ var Render = {};
                 text += "mid: " + engine.metrics.midEff + space;
                 text += "narrow: " + engine.metrics.narrowEff + space;
             }
+            // @endif            
 
             render.debugString = text;
             render.debugTimestamp = engine.timing.timestamp;