aframe-custom-canvas

v1.5.0-c10

Published

8 months ago

A web framework for building virtual reality experiences. (CHANGES: force aframe to use a custom canvas)

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kazuyakuza

3d aframe cardboard components oculus three three.js rift vive vr quest meta web-components webvr webxr

Changes from the original library

In order to use this library with g-maps library with webgl option, we changed from aframe next points:

instead of create a canvas, find the available canvas
don't renderer the scene/entities. This is handled outside, inside a function that executes when the g-maps ondraw triggers
added public option to force configuration into the THREE.WebGLRenderer
all of this is optional by configuring the a-scene use-external-canvas attribute:

<a-scene use-external-canvas="true"> // <== tries to find and use the canvas by html tag name
<a-scene use-external-canvas="{{css selector}}"> // <== tries to find and use the canvas with the css selector
<a-scene use-external-canvas="false"> // <== AFrame normal behaviour (ie. creates a canvas internally)
<a-scene> // <== AFrame normal behaviour (ie. creates a canvas internally)

Note: you could find changes with between the annotations "[INTERATICA-BEGIN]" & "[INTERATICA-END]".

Interatica Team

Examples

Find more examples on the homepage, A Week of A-Frame, and WebVR Directory.

Features

:eyeglasses: Virtual Reality Made Simple: A-Frame handles the 3D and WebXR boilerplate required to get running across platforms including mobile, desktop, and all headsets (compatible with a WebXR capable browser) just by dropping in <a-scene>.

:heart: Declarative HTML: HTML is easy to read and copy-and-paste. Since A-Frame can be used from HTML, A-Frame is accessible to everyone: web developers, VR and AR enthusiasts, educators, artists, makers, kids.

:electric_plug: Entity-Component Architecture: A-Frame is a powerful framework on top of three.js, providing a declarative, composable, reusable entity-component structure for three.js. While A-Frame can be used from HTML, developers have unlimited access to JavaScript, DOM APIs, three.js, WebXR, and WebGL.

:zap: Performance: A-Frame is a thin framework on top of three.js. Although A-Frame uses the DOM, A-Frame does not touch the browser layout engine. Performance is a top priority, being battle-tested on highly interactive WebXR experiences.

:globe_with_meridians: Cross-Platform: Build VR and AR applications for any headset compatible with a WebXR capable browser. Don't have a headset or controllers? No problem! A-Frame still works on standard desktop and smartphones.

:mag: Visual Inspector: A-Frame provides a built-in visual 3D inspector with a workflow similar to a browser's developer tools and interface similar to Unity. Open up any A-Frame scene and hit <ctrl> + <alt> + i.

:runner: Features: Hit the ground running with A-Frame's built-in components such as geometries, materials, lights, animations, models, raycasters, shadows, positional audio, tracked controllers. Get even further with community components such as particle systems, physics, multiuser, oceans, mountains, speech recognition, or teleportation!

Usage

Example

Build VR and AR scenes in the browser with just a few lines of HTML! To start playing and publishing now, remix the starter example on:

<html>
  <head>
    <script src="https://aframe.io/releases/1.5.0/aframe.min.js"></script>
  </head>
  <body>
    <a-scene>
      <a-box position="-1 0.5 -3" rotation="0 45 0" color="#4CC3D9"></a-box>
      <a-sphere position="0 1.25 -5" radius="1.25" color="#EF2D5E"></a-sphere>
      <a-cylinder
        position="1 0.75 -3"
        radius="0.5"
        height="1.5"
        color="#FFC65D"
      ></a-cylinder>
      <a-plane
        position="0 0 -4"
        rotation="-90 0 0"
        width="4"
        height="4"
        color="#7BC8A4"
      ></a-plane>
      <a-sky color="#ECECEC"></a-sky>
    </a-scene>
  </body>
</html>

With A-Frame's entity-component architecture, we can drop in community components from the ecosystem (e.g., ocean, physics) and plug them into our objects straight from HTML:

<html>
  <head>
    <script src="https://aframe.io/releases/1.5.0/aframe.min.js"></script>
    <script src="https://unpkg.com/[email protected]/dist/aframe-particle-system-component.min.js"></script>
    <script src="https://unpkg.com/aframe-extras.ocean@%5E3.5.x/dist/aframe-extras.ocean.min.js"></script>
    <script src="https://unpkg.com/[email protected]/dist/gradientsky.min.js"></script>
  </head>
  <body>
    <a-scene>
      <a-entity
        id="rain"
        particle-system="preset: rain; color: #24CAFF; particleCount: 5000"
      ></a-entity>

      <a-entity
        id="sphere"
        geometry="primitive: sphere"
        material="color: #EFEFEF; shader: flat"
        position="0 0.15 -5"
        light="type: point; intensity: 5"
        animation="property: position; easing: easeInOutQuad; dir: alternate; dur: 1000; to: 0 -0.10 -5; loop: true"
      ></a-entity>

      <a-entity
        id="ocean"
        ocean="density: 20; width: 50; depth: 50; speed: 4"
        material="color: #9CE3F9; opacity: 0.75; metalness: 0; roughness: 1"
        rotation="-90 0 0"
      ></a-entity>

      <a-entity
        id="sky"
        geometry="primitive: sphere; radius: 5000"
        material="shader: gradient; topColor: 235 235 245; bottomColor: 185 185 210"
        scale="-1 1 1"
      ></a-entity>

      <a-entity id="light" light="type: ambient; color: #888"></a-entity>
    </a-scene>
  </body>
</html>

Builds

To use the latest stable build of A-Frame, include aframe.min.js:

<head>
  <script src="https://aframe.io/releases/1.5.0/aframe.min.js"></script>
</head>

To check out the stable and master builds, see the dist/ folder.

npm

npm install --save aframe
# Or yarn add aframe

require("aframe"); // e.g., with Browserify or Webpack.

Local Development

git clone https://github.com/aframevr/aframe.git  # Clone the repository.
cd aframe && npm install  # Install dependencies.
npm start  # Start the local development server.

And open in your browser http://localhost:9000.

Generating Builds

npm run dist

Questions

For questions and support, ask on StackOverflow.

Stay in Touch

To hang out with the community, join the A-Frame Slack.
Follow A Week of A-Frame on the A-Frame blog.
Follow @aframevr on Twitter.
Subscribe to the Newsletter.

And get in touch with the maintainers!

Contributing

Get involved! Check out the Contributing Guide for how to get started.

You can also support development by buying a gorgeous A-Frame t-shirt with exclusive designs

License

This program is free software and is distributed under an MIT License.