While the Aframe API already supports curved images, I'm interested in creating curved text and planes as well. Can anyone provide guidance on how to achieve this?
I believe I need to create an entity for this purpose, but I am unsure about which properties need to be set. Any assistance would be greatly appreciated.
To achieve curved text, I recommend utilizing the https://github.com/mayognaise/aframe-html-shader. This technique involves creating a partial cylinder where the material is rendered on the inside with repeat: -1 1.
The HTML shader allows us to generate a texture using HTML for our text and then apply this texture to the cylinder shape. Unfortunately, manually applying repeat: -1 1 is required since this option is not readily available. Here's an outline of the process...
<!DOCTYPE html>
<html>
<head>
<title>Hello, WebVR! - A-Frame</title>
<meta name="description" content="Hello, WebVR! - A-Frame">
<script src="https://aframe.io/releases/0.6.0/aframe.min.js"></script>
<script src="https://unpkg.com/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="47262135262a226a6e292532256e302b222722656b2620222e">[email protected]</a>/dist/aframe-html-shader.min.js">
</head>
<body>
<script>
AFRAME.registerComponent('update-repeat', {
dependencies: ['material'],
init: function () {
var texture = this.el.components.material.material.map;
texture.repeat = new THREE.Vector2(-1, 1);
texture.needsUpdate = true;
}
});
</script>
<div id="texture" style="width: 100%; height: 100%; position: fixed; left: 0; top: 0; z-index: -1; overflow: hidden">
<p style="position: relative; top: 20px; font-size: 72px">HELLO HELLO</p>
<p style="position: relative; top: 20px; font-size: 48px">curvy text</p>
</div>
<a-scene>
<a-entity geometry="primitive: cylinder; radius: 2; segmentsRadial: 48; thetaLength: -160; openEnded: true"
material="shader: html; target: #texture; side: double; width: 500; height: 300; transparent: true" update-repeat position="0 0 -4" rotation="0 -90 0"></a-entity>
<a-sky color="#FAFAFA"></a-sky>
</a-scene>
</body>
</html>
For a detailed example, check out this Glitch project created for comprehensive guidance
Access the live demo here
For a unique solution, simply utilize a-curvedimage with src="#canvas". Within the canvas element, you have the freedom to generate whatever your heart desires.
<!DOCTYPE html>
<html>
<head>
<script src="https://aframe.io/releases/1.0.3/aframe.min.js"></script>
</head>
<body>
<a-scene>
<a-assets>
<canvas id="myCanvas"></canvas>
</a-assets>
<a-curvedimage
src="#myCanvas"
radius="2"
theta-length="30"
rotation="0 160 0"
>
</a-curvedimage>
</a-scene>
<script>
var canvas = document.getElementById("myCanvas");
var ctx = canvas.getContext("2d");
ctx.fillStyle = "#000"
ctx.font = "22px sans-serif";
ctx.fillText("Lorem ipsum dolor sit amet", 0, 30);
</script>
</body>
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