Скачать или смотреть How to Make a Phaser Game Object a React Controlled Component

Discover how to effectively integrate React and Phaser 3 by feeding real-time data into your game while it's running. Learn the event-driven approach for seamless interaction.
---
This video is based on the question https://stackoverflow.com/q/59345226/ asked by the user 'nathias' ( https://stackoverflow.com/u/8455385/ ) and on the answer https://stackoverflow.com/a/65427598/ provided by the user 'Ben Rosen' ( https://stackoverflow.com/u/7358732/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Is there a way to make phaser game object into a react controlled component?

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Integrating React and Phaser: A Dynamic Solution

Building a web game can be an exhilarating experience, especially when integrating different technologies like React and Phaser. However, developers often run into challenges, especially when it comes to synchronizing state between React (which handles the UI) and Phaser (the game engine). One common question that arises is: How can a Phaser game object become a React controlled component? This guide will explore a solution that allows you to feed data into your Phaser application while it's running, enhancing the interactivity and responsiveness of your game.

The Challenge: Updating Phaser with React Props

When building a game using React alongside Phaser, you might find that your Phaser game's state doesn't automatically update when the React component props change. This can make it difficult to keep the game elements in sync with the UI, leading to a disjointed experience for the player.

For example, consider the following React component snippet where Phaser is being integrated:

[[See Video to Reveal this Text or Code Snippet]]

This works smoothly as long as the props for width and backgroundColor are static when the Phaser app is initialized. However, if you attempt to change these props dynamically, Phaser does not update accordingly. So, how can we tackle this issue?

The Solution: Utilizing Phaser's Event System

One effective approach is to leverage the events system provided by Phaser. By publishing events from your React component, you can communicate changes in props to your running Phaser application. Here's a step-by-step breakdown of how this can be accomplished:

Step 1: Emit Events from React

Set up your React component to emit custom events to the Phaser game object. This requires you to have a reference to the Phaser game instance within your React component. Here’s how you can emit an event:

[[See Video to Reveal this Text or Code Snippet]]

Whenever you want to send new data to your Phaser game, call this emit function with the necessary parameters (like a message or object containing the updated state).

Step 2: Listen for Events in Phaser

Now that your React component is capable of emitting events, you need to set up your Phaser scenes to listen for these events. You can do this by attaching an event listener in any Phaser scene. For example:

[[See Video to Reveal this Text or Code Snippet]]

In this example, whenever the MY_EVENT is emitted from the React side, the Phaser scene will log the event. You can replace the console.log with any logic required to update your game state or visuals.

Example Integration

Here's how you can put it all together:

[[See Video to Reveal this Text or Code Snippet]]

In your Phaser scene, listen for UPDATE_COLOR to handle the change in background color specified by React.

Conclusion

By using Phaser's event-driven system, you can effectively transform your Phaser game object into a React controlled component, allowing for dynamic updates and seamless integration. This approach empowers you to create more interactive experiences within your web games and ensures a smooth flow between your UI and game logic.

In summary, the key steps are:

Emit events from your React component to update the game state.

Listen to events within your Phaser scenes to react to those updates.

With these strategies, you'll enhance the synergy between React and Phaser, elevating your web game development experience.