Added jsdocs to Particle and Emitter. Fixed p2 UMD.

src/gameobjects/Particle.js

@@ -7,26 +7,54 @@
 /**
 * @class Phaser.Particle
 *
-* @classdesc Create a new `Particle` object. Particles are extended Sprites that are emitted by a particle emitter.
+* @classdesc Create a new `Particle` object. Particles are extended Sprites that are emitted by a particle emitter such as Phaser.Particles.Arcade.Emitter.
 *
 * @constructor
 * @extends Phaser.Sprite
 * @param {Phaser.Game} game - A reference to the currently running game.
-* @param {number} x - The x coordinate (in world space) to position the Sprite at.
-* @param {number} y - The y coordinate (in world space) to position the Sprite at.
-* @param {string|Phaser.RenderTexture|Phaser.BitmapData|PIXI.Texture} key - This is the image or texture used by the Sprite during rendering. It can be a string which is a reference to the Cache entry, or an instance of a RenderTexture or PIXI.Texture.
-* @param {string|number} frame - If this Sprite is using part of a sprite sheet or texture atlas you can specify the exact frame to use by giving a string or numeric index.
+* @param {number} x - The x coordinate (in world space) to position the Particle at.
+* @param {number} y - The y coordinate (in world space) to position the Particle at.
+* @param {string|Phaser.RenderTexture|Phaser.BitmapData|PIXI.Texture} key - This is the image or texture used by the Particle during rendering. It can be a string which is a reference to the Cache entry, or an instance of a RenderTexture or PIXI.Texture.
+* @param {string|number} frame - If this Particle is using part of a sprite sheet or texture atlas you can specify the exact frame to use by giving a string or numeric index.
 */
 Phaser.Particle = function (game, x, y, key, frame) {
 
     Phaser.Sprite.call(this, game, x, y, key, frame);
 
+    /**
+    * @property {boolean} autoScale - If this Particle automatically scales this is set to true by Particle.setScaleData.
+    * @protected
+    */
     this.autoScale = false;
+
+    /**
+    * @property {array} scaleData - A reference to the scaleData array owned by the Emitter that emitted this Particle.
+    * @protected
+    */
     this.scaleData = null;
+
+    /**
+    * @property {number} _s - Internal cache var for tracking auto scale.
+    * @private
+    */
     this._s = 0;
 
+    /**
+    * @property {boolean} autoAlpha - If this Particle automatically changes alpha this is set to true by Particle.setAlphaData.
+    * @protected
+    */
     this.autoAlpha = false;
+
+    /**
+    * @property {array} alphaData - A reference to the alphaData array owned by the Emitter that emitted this Particle.
+    * @protected
+    */
     this.alphaData = null;
+
+    /**
+    * @property {number} _a - Internal cache var for tracking auto alpha.
+    * @private
+    */
     this._a = 0;
 
 };
@@ -35,7 +63,7 @@ Phaser.Particle.prototype = Object.create(Phaser.Sprite.prototype);
 Phaser.Particle.prototype.constructor = Phaser.Particle;
 
 /**
-* Override and use this function in your own custom objects to handle any update requirements you may have.
+* Updates the Particle scale or alpha if autoScale and autoAlpha are set.
 *
 * @method Phaser.Particle#update
 * @memberof Phaser.Particle
@@ -72,9 +100,21 @@ Phaser.Particle.prototype.update = function() {
 
 };
 
+/**
+* Called by the Emitter when this particle is emitted. Left empty for you to over-ride as required.
+*
+* @method Phaser.Particle#onEmit
+* @memberof Phaser.Particle
+*/
 Phaser.Particle.prototype.onEmit = function() {
 };
 
+/**
+* Called by the Emitter if autoAlpha has been enabled. Passes over the alpha ease data and resets the alpha counter.
+*
+* @method Phaser.Particle#setAlphaData
+* @memberof Phaser.Particle
+*/
 Phaser.Particle.prototype.setAlphaData = function(data) {
 
     this.alphaData = data;
@@ -84,6 +124,12 @@ Phaser.Particle.prototype.setAlphaData = function(data) {
 
 };
 
+/**
+* Called by the Emitter if autoScale has been enabled. Passes over the scale ease data and resets the scale counter.
+*
+* @method Phaser.Particle#setScaleData
+* @memberof Phaser.Particle
+*/
 Phaser.Particle.prototype.setScaleData = function(data) {
 
     this.scaleData = data;

src/particles/arcade/Emitter.js

@@ -30,7 +30,7 @@ Phaser.Particles.Arcade.Emitter = function (game, x, y, maxParticles) {
     Phaser.Group.call(this, game);
 
     /**
-    * @property {string} name - Description.
+    * @property {string} name - A handy string name for this emitter. Can be set to anything.
     */
     this.name = 'emitter' + this.game.particles.ID++;
 

src/physics/p2/p2.js

@@ -21,7 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-!function(e){"object"==typeof exports?module.exports=e():"function"==typeof define&&define.amd?define(e):"undefined"!=typeof window?window.p2=e():"undefined"!=typeof global?self.p2=e():"undefined"!=typeof self&&(self.p2=e())}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+!function(e){"object"==typeof exports?module.exports=e():"function"==typeof define&&define.amd?define('p2', (function() { return this.p2 = e(); })()):"undefined"!=typeof window?window.p2=e():"undefined"!=typeof global?self.p2=e():"undefined"!=typeof self&&(self.p2=e())}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 /* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,