移动球

class ExampleScene extends Phaser.Scene {
  // ...
  update() {
    this.ball.x += 1;
    this.ball.y += 1;
  }
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/phaser/3.90.0/phaser.js"></script>

* {
  padding: 0;
  margin: 0;
}

class ExampleScene extends Phaser.Scene {
  ball;

  preload() {
    this.load.setBaseURL(
      "https://mdn.github.io/shared-assets/images/examples/2D_breakout_game_Phaser",
    );

    this.load.image("ball", "ball.png");
  }
  create() {
    this.ball = this.add.sprite(50, 50, "ball");
  }
  update() {
    this.ball.x += 1;
    this.ball.y += 1;
  }
}

const config = {
  type: Phaser.CANVAS,
  width: 480,
  height: 320,
  scene: ExampleScene,
  scale: {
    mode: Phaser.Scale.FIT,
    autoCenter: Phaser.Scale.CENTER_BOTH,
  },
  backgroundColor: "#eeeeee",
};

const game = new Phaser.Game(config);