aframe/examples/always-face-user/index.html

<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8'>
    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
    <title>GeoAR.js demo</title>
    <script src="https://cdn.jsdelivr.net/gh/aframevr/aframe@1c2407b26c61958baa93967b5412487cd94b290b/dist/aframe-master.min.js"></script>
    <script src="https://unpkg.com/aframe-look-at-component@0.8.0/dist/aframe-look-at-component.min.js"></script>
    <script src='../../build/aframe-ar.js'></script>
    <script>
        THREEx.ArToolkitContext.baseURL = 'https://raw.githack.com/jeromeetienne/ar.js/master/three.js/'
    </script>
</head>

<body style='margin: 0; overflow: hidden;'>
    <a-scene
        vr-mode-ui="enabled: false"
		embedded
		arjs='sourceType: webcam; sourceWidth:1280; sourceHeight:960; displayWidth: 1280; displayHeight: 960; debugUIEnabled: false;'>

        <a-text value="This will always face the user." look-at="[gps-camera]" scale="75 75 75" gps-entity-place="latitude: 44.493271; longitude: 11.326040;"></a-text>
        <a-camera gps-camera rotation-reader>
		</a-camera>
	</a-scene>
</body>