aframe-cursor-teleport-component
A simple A-Frame component for navigating scenes on non-VR devices. When combined with A-Frame's cursor and look-controls components, this allows users to freely explore A-Frame scenes using device orientation and touch on mobile or using the mouse on desktop.
For A-Frame.
API
| Property | Description | Default Value |
|---|---|---|
| cameraRig | Selector of the camera rig to teleport | |
| cameraHead | Selector of the scene's active camera | |
| collisionEntities | Selector of the meshes used to check the collisions. If no value provided a plane at Y=0 is used. | |
| ignoreEntities | Selector of meshes that may obstruct the teleport raycaster, like UI or other clickable elements. | |
| landingNormal | Normal vector to detect collisions with the collisionEntities |
(0, 1, 0) |
| landingMaxAngle | Angle threshold (in degrees) used together with landingNormal to detect if the mesh is so steep to jump to it. |
45 |
Installation
Browser
Install and use by directly including the browser files:
<head>
<title>My A-Frame Scene</title>
<script src="https://aframe.io/releases/0.9.2/aframe.min.js"></script>
<script src="https://unpkg.com/[email protected]/dist/aframe-cursor-teleport-component.min.js"></script>
</head>
<body>
<a-scene>
<a-entity cursor-teleport="foo: bar"></a-entity>
</a-scene>
</body>npm
Install via npm:
npm install aframe-cursor-teleport-componentThen require and use.
require('aframe');
require('aframe-cursor-teleport-component');Usage
This component requires a camera rig setup as described in fernandojsg's aframe-teleport-controls.
Basic Setup
<a-scene cursor="rayOrigin: mouse">
<a-entity id="cameraRig" cursor-teleport="cameraRig: #cameraRig; cameraHead: #head">
<a-entity id="head" position="0 1.52 0" camera look-controls="reverseMouseDrag: true">
</a-entity>
</a-entity>
</a-scene>Collision Entities
To add collision objects, simply identify them with a selector:
<a-scene cursor="rayOrigin: mouse">
<!-- camera rig -->
<a-entity id="cameraRig" cursor-teleport="cameraRig: #cameraRig; cameraHead: #head; collisionEntities: .collision">
<a-entity id="head" position="0 1.52 0" camera look-controls="reverseMouseDrag: true"></a-entity>
</a-entity>
<!-- collidable entity -->
<a-entity class="collision" position="0 -.05 0" geometry="primitive: box; width: 8; height: .1; depth: 8"></a-entity>
</a-scene>Ignored Entities
If your scene has interactive entities that should not initiate a teleport when clicked, you can add them to the ignoredEntities array using a selector:
<a-scene cursor="rayOrigin: mouse" raycaster="objects: .clickable" >
<!-- camera rig -->
<a-entity id="cameraRig" cursor-teleport="cameraRig: #cameraRig; cameraHead: #head; collisionEntities: .collision; ignoreEntities: .clickable">
<a-entity id="head" position="0 1.52 0" camera look-controls="reverseMouseDrag: true"></a-entity>
</a-entity>
<!-- collidable entity -->
<a-entity class="collision" position="0 -.05 0" geometry="primitive: box; width: 8; height: .1; depth: 8"></a-entity>
<!-- UI element -->
<a-entity class="clickable" color-change geometry="primitive: octahedron" scale=".2 .2 .2" position="-.8 1 -1.5"></a-entity>
</a-scene>Use with aframe-teleport-controls
This component works with fernandojsg's aframe-teleport-controls allowing for easy-to-use navigation across virtually all devices:
<a-scene cursor="rayOrigin: mouse" raycaster="objects: .clickable" >
<!-- camera rig -->
<a-entity id="cameraRig" navigator="cameraRig: #cameraRig; cameraHead: #head; collisionEntities: .collision; ignoreEntities: .clickable">
<a-entity id="head" position="0 1.52 0" camera look-controls="reverseMouseDrag: true"></a-entity>
<a-entity laser-controls="hand: left" raycaster="objects: .clickable; far: 100" line="color: red; opacity: 0.75" teleport-controls="cameraRig: #cameraRig; teleportOrigin: #head;"></a-entity>
<a-entity laser-controls="hand: right" raycaster="objects: .clickable" line="color: red; opacity: 0.75" teleport-controls="cameraRig: #cameraRig; teleportOrigin: #head;"></a-entity>
</a-entity>
<!-- collidable entity -->
<a-entity class="collision" position="0 -.05 0" geometry="primitive: box; width: 8; height: .1; depth: 8"></a-entity>
<!-- UI element -->
<a-entity class="clickable" color-change geometry="primitive: octahedron" scale=".2 .2 .2" position="-.8 1 -1.5"></a-entity>
</a-scene>
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