Bitmapmask Masked Particles

var config = {
    type: Phaser.WEBGL,
    parent: 'phaser-example',
    width: 640,
    height: 480,
    scene: {
        preload: preload,
        create: create
    }
};

var game = new Phaser.Game(config);

function preload() {

    this.load.image('bunny', 'assets/sprites/bunny.png');
    this.load.image('backdrop', 'assets/pics/platformer-backdrop.png');
    this.load.atlas('flares', 'assets/particles/flares.png', 'assets/particles/flares.json');

}

function create() {

    var backdrop = this.make.image({
        x: game.config.width / 2,
        y: game.config.height / 2,
        key: 'backdrop',
        add: true
    }).setScale(2);

    var particles = this.add.particles('flares');

    var emitter = particles.createEmitter({
        frame: 'yellow',
        x: 300,
        y: 400,
        lifespan: 2000,
        speedY: { min: -100, max: -600 },
        speedX: { min: -100, max: 100 },
        angle: -90,
        gravityY: 300,
        scale: { start: 0.4, end: 0 },
        quantity: 50,
        blendMode: 'ADD'
    });

    var bunny = this.make.sprite({
        x: game.config.width / 2, 
        y: game.config.height / 2, 
        key: 'bunny',
        add: false
    });

    //particles.visible = false;
    particles.mask = new Phaser.Display.Masks.BitmapMask(this, bunny);

    this.input.on('pointermove', function (pointer) {

        emitter.setPosition(pointer.x, pointer.y);

    });

}
                        

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