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    2.0.10 • Public • Published

    Phaser3 Nine Patch

    GitHub license npm version styled with prettier

    Phaser3 Nine Patch plugin adds 9-slice scaling support to Phaser3!

    Resizing with nine patch

    Nine Patch

    Resizing without nine patch

    Not Nine Patch

    Key features:

    • Blazing fast
    • Low memory usage
    • Easy to use API

    What is Nine-Patch?

    A Nine-Patch is an image format that uses extra information, defining what parts of it should be scaled (and which are not) when the image is rendered in a larger or smaller size. This technique is very useful for creating UI components like buttons, panels, containers, etc.

    Using this technique, you can define the background of multiples UI components like panels or buttons with the same image asset. You can also create large panels with a reduced image asset so is very useful for optimizing your project resources.

    Phaser3 Nine Patch

    Getting Started

    First you want to get a fresh copy of the plugin. You can get it from this repo or from npm, ain't that handy.


    npm install @rollinsafary/phaser3-ninepatch-plugin --save


    Load the plugin

    You still need to load the plugin in your game. This is done just like any other global plugin in Phaser3. So, to load the plugin, include it in phaser game config.

      type: Phaser.WEBGL,
      width: 540,
      height: 960,
      backgroundColor: '#626262',
      parent: 'gameContainer',
      scene: [GameScene],
      plugins: {
        global: [{ key: NinePatchPlugin.NAME, plugin: NinePatchPlugin, start: true }],

    Prepare you scene (TypeScript only)

    To have type definitions you have to implement INinePatchScene interface in your scenes

    export default class BaseScene extends Phaser.Scene implements INinePatchScene {
      // your code


    export default class BaseScene extends Phaser.Scene {
      public add: Phaser.GameObjects.GameObjectFactory & INinePatchFactory;
      public make: Phaser.GameObjects.GameObjectCreator & INinePatchCreator;
      // your code

    both implementations are same. For more information see the 2.0.5 in CHANGELOG. The plugin will patch your Phaser game with additional add/make methods so the NinePatch game object fits up in Phaser like any normal object!

    Adding a container

    Also adding and creating of 9-patch images is exposed through Phaser's GameObjectCreator and GameObjectFactory. So you can add a 9-patch image to your game just like any other image once it's preloaded!

    //We specify the x and y position, the width and height and the key for the image of the image. It will be automaticly scaled!
    this.add.ninePatch(100, 100, 200, 400, "my-image", null, {
        top: 10, // Amount of pixels for top
        bottom: 20, // Amount of pixels for bottom
        left: 30, // Amount of pixels for left
        right: 40 // Amount of pixels for right

    Or if you'd want to do something with it first:

    //Two options here, first we use Phaser
    var ninePatch = this.make.ninePatch({
        key: "my-image",
        width: 200,
        height: 200,
        patchesConfig: {
            top: 10, // Amount of pixels for top
            bottom: 20, // Amount of pixels for bottom
            left: 30, // Amount of pixels for left
            right: 40 // Amount of pixels for right
    ninePatch.x = 20;
    ninePatch.y = 20;
    //Or we use the Constructor
    var ninePatch = new NinePatch(this, 0, 0, 200, 50, "my-image", null, {
        top: 10, // Amount of pixels for top
        bottom: 20, // Amount of pixels for bottom
        left: 30, // Amount of pixels for left
        right: 40 // Amount of pixels for right
    ninePatch.x = 50;
    ninePatch.y = 50;

    Using a Texture Atlas

    It's also possible to use an image that's located inside a Texture atlas. The only difference then is that you don't have to preload the image, instead you use the object's constructor and pass the framedata directly on creation:

    //Add an nineslice image with an texture atlas
    var ninePatch = new NinePatch(
        this, // Phaser.Scene
        150, // x position
        100, // y position
        200, // expected width
        100, // expected height
        "buttons", // atlas key
        "btn_clean.png", // Image frame
            top: 20, // Amount of pixels for top
            bottom: 23, // Amount of pixels for bottom
            left: 27, // Amount of pixels for left
            right: 28 // Amount of pixels for right

    Resize method

    9-patch image has a resize method which lets you expand/shorten the width or length of the image. When using resize method, make sure values are not lower than the width of the image corners

    var ninePatch = this.add.ninePatch(5, 5, 48, 48, "image", null, {
        top: 5 // Amount of pixels for top, bottom, left, right
    ninePatch.resize(100, 200);


    If you don't want to provide nine patch configs each time you're going to create a NinePatch game object, so you can just add that config into game cache.

    this.scene.cache.custom.ninePatch.add(keyOrFrameName, configs)

    and then to create a NinePatch game object you need just to call

    this.scene.add(x, y, key, frame, width, height)

    and it will retrieve configs from the cache based on the key if it's single texture (frame is undefined or null), or based on frame name if it's atlas or multi atlas texture.

    Related to the repeatedly happening issue with atlases and multi atlases added a new static new addConfigToCache function to the NinePatchPlugin class which will make easier to add config and which will automatically define a key for the asset.

    NinePatchPlugin.addConfigToCache(atlasKey, frameName, ninePatchConfig)

    for the single asset provide null in place of frameName.

    NOTE: please avoid of using custom keys for the asset configs


    This repo forked from https://github.com/koreezgames/phaser3-ninepatch-plugin
    Big thanks to these great repos:





    npm i @rollinsafary/phaser3-ninepatch-plugin

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