class Example extends Phaser.Scene {

  preload() {

    // https://www.kenney.nl/assets/particle-pack

    // https://qdanp.itch.io/forest-stage-escenario-bosque

    this.load.image(

      "particleTexture",

      "https://assets.codepen.io/9367036/circle_05.png"

    );

    this.load.image("bg", "https://assets.codepen.io/9367036/forest1.jpg");

  }

​

  create() {

    let background = this.add.image(0, 0, "bg").setOrigin(0, 0);

    background.displayWidth = config.width;

    background.displayHeight = config.height;

​

    this.emitter = this.add.particles(

      config.width / 2,

      config.height / 2,

      "particleTexture",

      {

        scale: 0.05,

        lifespan: 800,

        frequency: 30,

        speed: 200

      }

    );

  }

​

  update() {}

}

​

const config = {

  type: Phaser.AUTO,

  width: 800,

  height: 400,

  scene: Example

};

​

const game = new Phaser.Game(config);

​

//activateControls(["LMB"]);

​