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Imageuriloader

Note

Phaser3.80 can load image by uri (base64 string) in preload stage.

Introduction

Load image by uri (base64 string) in preload stage.

Built-in image loader dosen't support loading local image uri.

  • Author: Rex
  • Custom File of loader

Usage

Sample code

Install plugin

Load minify file

  • Load plugin (minify file) in preload stage
    var sceneConfig = {
        // ....
        pack: {
            files: [{
                type: 'plugin',
                key: 'reximageuriloaderplugin',
                url: 'https://raw.githubusercontent.com/rexrainbow/phaser3-rex-notes/master/dist/reximageuriloaderplugin.min.js',
                start: true
            }]
        }
    };
    class MyScene extends Phaser.Scene {
        constructor() {
            super(sceneConfig)
        }
        // ....
    
        preload() {
            // reximageuriloaderplugin will be installed before preload(), but not added to loader yet
            // Call addToScene(scene) to add this await loader to loader of this scene
            this.plugins.get('reximageuriloaderplugin').addToScene(this);
    
            this.load.rexImageURI(key, uri);
        }
    }
    

Import plugin

  • Install rex plugins from npm
    npm i phaser3-rex-plugins
    
  • Install plugin in configuration of game
    import ImageURILoaderPlugin from 'phaser3-rex-plugins/plugins/imageuriloader-plugin.js';
    var config = {
        // ...
        plugins: {
            global: [{
                key: 'rexImageURILoader',
                plugin: ImageURILoaderPlugin,
                start: true
            },
            // ...
            ]
        }
        // ...
    };
    var game = new Phaser.Game(config);
    
  • In preload stage
    scene.load.rexImageURI(key, uri);
    

Import class

  • Install rex plugins from npm
    npm i phaser3-rex-plugins
    
  • Import class
    import ImageURILoader from 'phaser3-rex-plugins/plugins/imageuriloader.js';
    
  • Start loading task
    ImageURILoader.call(scene.load, key, uri);
    

Load image

In preload stage:

this.load.rexImageURI(key, uri);
  • key : Texture key.
  • uri : URI, a base64 string.

Load sprite sheet

In preload stage:

this.load.rexImageURI(key, uri, frameConfig);
  • key : Texture key.
  • uri : URI, a base64 string.
  • frameConfig :
    • frameWidth : The width of the frame in pixels.
    • frameHeight : The height of the frame in pixels. Uses the frameWidth value if not provided.
    • startFrame : The first frame to start parsing from.
    • endFrame : The frame to stop parsing at. If not provided it will calculate the value based on the image and frame dimensions.
    • margin : The margin in the image. This is the space around the edge of the frames.
    • spacing : The spacing between each frame in the image.