回答編集履歴
1
extId修正委漏れ
    
        answer	
    CHANGED
    
    | @@ -49,7 +49,7 @@ | |
| 49 49 | 
             
            ```
         | 
| 50 50 | 
             
            app.js
         | 
| 51 51 | 
             
            ```js
         | 
| 52 | 
            -
            const extId = ' | 
| 52 | 
            +
            const extId = 'bbchnfmcdcokmipmngjjniflkoakncbl';
         | 
| 53 53 | 
             
            chrome.runtime.sendMessage(extId, 'content tab handle');
         | 
| 54 54 |  | 
| 55 55 | 
             
            const tag = document.createElement('script');
         | 
| @@ -114,7 +114,7 @@ | |
| 114 114 |  | 
| 115 115 | 
             
            function DrawGraph() {
         | 
| 116 116 | 
             
                requestAnimationFrame(DrawGraph);
         | 
| 117 | 
            -
                chrome.runtime.sendMessage( | 
| 117 | 
            +
                chrome.runtime.sendMessage(extId, 'get audio data', function(spectrums) {
         | 
| 118 118 | 
             
                    obj.geometry.dispose();
         | 
| 119 119 | 
             
                    obj.geometry = new THREE.TorusKnotGeometry( //小数をかけてるのは値を小さくして、3Dオブジェクトのサイズを小さくするため
         | 
| 120 120 | 
             
                        Math.round(spectrums[0] * 2.0), //全体的な大きさ
         | 
