For http://aframe.io/, how can I render text without having to create an image?
EDIT: A text component has landed in A-Frame master branch. This will roll out in 0.5.0. The component will have support for fonts, alignments, anchors, baselines, shaders, etc. <a-entity text="value: HELLO"></a-entity>
https://aframe.io/docs/master/components/text.html
You can use some of the community components:
I recommend the Bitmap Font Text Component which is performant and looks visually good:
<html>
<head>
<script src="https://aframe.io/releases/0.2.0/aframe.min.js"></script>
<script src="https://rawgit.com/bryik/aframe-bmfont-text-component/master/dist/aframe-bmfont-text-component.min.js"></script>
</head>
<body>
<a-scene>
<a-entity bmfont-text="text: HELLO!; color: #333" position="0 0 -5"></a-entity>
</a-scene>
</body>
</html>