​

  constructor() {

    this.options = {

      probabilityThreshold: 0.9

    };

​

    // Teachable Machine model URL:

    this.soundModel = 'https://teachablemachine.withgoogle.com/models/edw86v-Sl/';

​

    // load model

    this.classifier = ml5.soundClassifier(this.soundModel + 'model.json', this.options);

​

    // start to classify

    this.classify();

  }

​

  classify() {

    this.classifier.classify(this.makeResult);

  }

​

​

  // The model recognizing a sound will trigger this event

  makeResult(error, results) {

    /*

    이 함수는 객체 내부 함수 접근이 안됨

    */

    if (error) {

      console.error(error);

      return;

    }

    // The results are in an array ordered by confidence.

    // console.log(results[0]);

    voiceLabel = results[0].label;

    print("label: " + voiceLabel);

    print("confidence: " + results[0].confidence);

​

    // player move

    player1Move(voiceLabel);

  }

​

  show() {

    // // Draw the label in the canvas

    fill(255);

    textSize(32);

    textAlign(CENTER, CENTER);

    text(voiceLabel, width / 2, height / 2);

  }

​

}

​

function player1Move(label) {

    if (label === "Background Noise") {

      return;

    }

    let dir;

    switch (label) {

      case "up":

        dir = 0;

        break;

      case "right":

        dir = 1;

        break;

      case "down":

        dir = 2;

        break;

      case "left":

        dir = 3;

        break;

    }

    player1.move(dir);

  }