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In Phaser 2 the game object acted as the gateway to nearly all internal systems and was often accessed from a global variable.

CSS alapok – 2. rész: A CSS elhelyezkedése a kódban

Web Workers run in an isolated thread. Download this zip file which contains each step of this tutorial in code and the assets that go with hrml5. URL, and an https: Messages passed between the main page and workers are copied, not shared. Also make sure you go through the Getting Started Guideit will show you how to download the framework, set up a local development environment, and give you a glimpse of the structure of a Phaser project and its core functions.

The page and worker do not share the same instance, so the end result is that a duplicate is created on each pass. When postMessage is called from the main page, our worker handles that message by defining an onmessage handler for the message event. While going through this process we’ll explain some of the core features of the framework.

In my opinion, this new approach is a bit cleaner and more legible. One way to utilize importScripts in an inline worker is to “inject” the current url of your main script is running from by passing it to the inline worker and constructing the absolute URL manually.


The good news is that HTML5 gives us something better than these hacks!

For example, in the next example the ‘msg’ property of the JSON message is accessible in both locations. But in this tutorial we’re just going to set the renderer, dimensions and a default Scene.

Making your first Phaser 3 game.

Table of Contents

Although that isn’t very interesting, it’s useful for understanding the concepts of web workers. Script execution happens within a single thread. The Web Workers specification defines an Hrml5 for spawning background scripts in your web application.

An instance of a Phaser.

PhET szimulációk norvégiai nynorsk nyelven

It is not recommended to run your primary browser with this flag set. This is great for further breaking up large tasks at runtime. Some of these include browser compatibility, static typing, accessibility, and performance. The scene property of the configuration object will be covered in more detail further on in this tutorial. Game object is assigned to a local variable called game and the configuration object is alaplk to it. As a result, the code that they execute needs to be contained in a separate file.

To run your app from the file: They’re going to help put and end to that nasty ‘unresponsive script’ dialog that we’ve all come to love:. There are lots of options that can be placed in this object and as you expand on your Phaser knowledge you’ll encounter more of them.

What if you want to create your worker script on the fly, or create a self-contained page without having to create separate worker files? The message payload in this case ‘Hello World’ is accessible in Event. The recommended value is Phaser. To see the speed improvement of transferrables, check out this DEMO.


Before you go spawning a worker farm, be cautious about hogging too many of the user’s system resources. To combat the perf hit, you can use Transferable Objects. The worker simply returns the message that is passed to it.

It should only be used for testing purposes and not regular browsing. Fortunately, the latter is quickly becoming a thing of the past laapok browser vendors rapidly improve the speed of their JavaScript engines. The important point being: When using these techniques to inline your worker code, importScripts will only work if you supply an absolute URI.

The type property can be either Phaser. The first argument doesn’t have to be an ArrayBuffer by the way.

If you’ve gone through the Getting Started Guide you will have downloaded Phaser and got everything set-up and ready to code. The width and height properties set the size of the canvas element that Phaser will create. Keep in mind most browsers spawn separate processes for each worker.

Thus, you cannot load a script from a data: If you attempt to pass a relative URI, the browser will complain with a security error. Workers utilize thread-like message passing to achieve parallelism.