A-Frame spectator camera example code
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<html> | |
<head> | |
<script src="../dist/aframe.min.js"></script> | |
<script> | |
AFRAME.registerComponent('spectator',{ | |
'schema': { | |
canvas: { | |
type: 'string', | |
default: '' | |
}, | |
// desired FPS of spectator dislay | |
fps: { | |
type: 'number', | |
default: '30.0' | |
} | |
}, | |
'init': function() { | |
var targetEl = document.querySelector(this.data.canvas) | |
this.counter = 0; | |
this.renderer = new THREE.WebGLRenderer( { antialias: true } ); | |
this.renderer.setPixelRatio( window.devicePixelRatio ); | |
this.renderer.setSize( targetEl.offsetWidth, targetEl.offsetHeight ); | |
// creates spectator canvas | |
targetEl.appendChild(this.renderer.domElement); | |
}, | |
'tick': function(time, timeDelta) { | |
var loopFPS = 1000.0 / timeDelta; | |
var hmdIsXFasterThanDesiredFPS = loopFPS / this.data.fps; | |
var renderEveryNthFrame = Math.round(hmdIsXFasterThanDesiredFPS); | |
if(this.counter % renderEveryNthFrame === 0){ | |
this.render(timeDelta); | |
} | |
this.counter += 1; | |
}, | |
'render': function(){ | |
this.renderer.render( this.el.sceneEl.object3D , this.el.object3DMap.camera ); | |
} | |
}); | |
</script> | |
</head> | |
<body> | |
<table style="border-style:solid;"> | |
<tr> | |
<th><h1>HMD Scene</h1></th> | |
<th><h1>Spectator Camera</h1></th> | |
</tr> | |
<tr> | |
<td style="border-style:solid;"> | |
<div style="height:300px; width:400px;"> | |
<a-scene embedded> | |
<a-sphere | |
position="0 1.25 -1" | |
radius="1.25" | |
color="#EF2D5E"> | |
<a-animation | |
attribute="scale" | |
duration="2000" | |
to="1.3 1.3 1.3" | |
direction="alternate" | |
repeat="indefinite"> | |
</a-animation> | |
</a-sphere> | |
<a-box | |
position="-1 0.5 1" | |
rotation="0 45 0" | |
width="1" height="1" depth="1" | |
color="#4CC3D9"></a-box> | |
<a-cylinder | |
position="1 0.75 1" | |
radius="0.5" height="1.5" | |
color="#FFC65D"></a-cylinder> | |
<a-plane | |
rotation="-90 0 0" | |
width="4" height="4" | |
color="#7BC8A4"></a-plane> | |
<a-sky color="#ECECEC"></a-sky> | |
<a-entity id="primaryCamera" position="0 0 3.8"> | |
<a-camera></a-camera> | |
</a-entity> | |
<a-entity id="secondaryCamera" position="2 1.8 4.8" rotation="-20 45 0"> | |
<a-camera spectator="canvas:#spectatorDiv;" active="false"> | |
</a-camera> | |
</a-entity> | |
</a-scene> | |
</div> | |
</td> | |
<td style="border-style:solid;"> | |
<div id="spectatorDiv" style="height:300px; width:400px;"> | |
</div> | |
</td> | |
</tr> | |
</table> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment