hiro パターンを使用して車のモデルを拡張しようとしていますが、ジッターがあります。
<!DOCTYPE html>
<html lang="en">
<head>
<title>augmented reality</title>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- A FRAME -->
<script src="https://aframe.io/releases/0.8.2/aframe.min.js"></script>
<script src="https://cdn.rawgit.com/jeromeetienne/AR.js/1.6.0/aframe/build/aframe-ar.js" crossorigin="anonymous"></script>
<script src="https://cdn.rawgit.com/donmccurdy/aframe-extras/v3.8.4/dist/aframe-extras.min.js" crossorigin="anonymous"></script>
<script src="https://rawgit.com/mayognaise/aframe-gif-shader/master/dist/aframe-gif-shader.min.js" crossorigin="anonymous"></script>
<script src="https://unpkg.com/aframe-event-set-component@^4.0.0/dist/aframe-event-set-component.min.js"></script>
<!-- import events.js script -->
<script src="https://rawgit.com/nicolocarpignoli/nicolocarpignoli.github.io/master/ar-playground/events.js"></script>
<!-- import the webpage's stylesheet -->
<link rel="stylesheet" href="/style.css">
<!-- import the webpage's javascript file -->
<script src="/script.js" defer></script>
</head>
<body>
<a-scene shadow="type: pcfsoft" embedded arjs='sourceType: webcam; debugUIEnabled: false;' debug>
<a-marker preset="hiro">
<a-entity shadow="cast: true" gltf-model="https://cdn.glitch.com/0d1945ac-ed6f-44be-9903-e1c1626575a4%2Fcar.glb?1548349423434" position="0 0 0" crossOrigin="anonymous" response-type="arraybuffer" rotation="0 0 0" scale="0.05 0.05 0.05">
</a-entity>
</a-marker>
<a-entity light="type: ambient; color: #CCC"></a-entity>
<a-entity camera></a-entity>
</a-scene>
<!-- include the Glitch button to show what the webpage is about and
to make it easier for folks to view source and remix -->
<div class="glitchButton" style="position:fixed;top:20px;right:20px;"></div>
<script src="https://button.glitch.me/button.js"></script>
</body>
</html>
カメラがオブジェクトよりもマーカーに近い場合 (壊れたテクスチャ) は少し少なくなりますが、カメラが遠い場合 (マーカーとカメラの間の距離を長くすると、添付の画像のようにジッターが増加します。