Merge branch 'master' into topic/addBounds

.npmignore

@@ -0,0 +1,7 @@
+node_modules
+npm-debug.log
+doc
+matter-doc-theme
+build/matter-dev.js
+build/matter-dev.min.js
+demo/js/lib/matter-dev.js

README.md

@@ -87,10 +87,14 @@ Download [matter-0.8.0.js](https://github.com/liabru/matter-js/releases/download
 
 For the latest features try the [edge version (master)](https://raw.github.com/liabru/matter-js/master/build/matter.js), but it may not be fully stable.
 
-#### Or install using [Bower](http://bower.io/)
+#### Install using [Bower](http://bower.io/)
 
 	bower install matter-js
 
+#### Install using [NPM](https://www.npmjs.org/)
+
+	npm install matter-js
+
 ### Usage
 
 See [Demo.js](https://github.com/liabru/matter-js/blob/master/demo/js/Demo.js) and [DemoMobile.js](https://github.com/liabru/matter-js/blob/master/demo/js/DemoMobile.js) for many usage examples.

package.json

@@ -1,14 +1,14 @@
 {
-  "name": "Matter",
+  "name": "matter-js",
   "version": "0.8.0",
   "license": "MIT",
   "homepage": "http://brm.io/matter-js/",
   "author": "Liam Brummitt <liam@brm.io> (http://brm.io/)",
   "description": "a 2D rigid body physics engine for the web",
   "main": "build/matter-0.8.0.min.js",
-  "repository":{ 
-    "type" : "git", 
-    "url" : "https://github.com/liabru/matter-js.git"
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/liabru/matter-js.git"
   },
   "keywords": [
     "javascript",
@@ -32,5 +32,6 @@
   "scripts": {
     "dev": "npm install && grunt dev",
     "test": "grunt test"
-  }
+  },
+  "dependencies": {}
 }

src/render/RenderPixi.js

@@ -42,10 +42,11 @@ var RenderPixi = {};
             }
         };
 
-        var render = Common.extend(defaults, options);
+        var render = Common.extend(defaults, options),
+            transparent = !render.options.wireframes && render.options.background === 'transparent';
 
         // init pixi
-        render.context = new PIXI.WebGLRenderer(render.options.width, render.options.height, render.canvas, false, true);
+        render.context = new PIXI.WebGLRenderer(render.options.width, render.options.height, render.canvas, transparent, true);
         render.canvas = render.context.view;
         render.container = new PIXI.DisplayObjectContainer();
         render.stage = new PIXI.Stage();