Tips for incorporating live 2D text updates in a Three.js environment

I'm searching for a more efficient method to incorporate 2D text into my three.js scene. Using TextGeometry has proven challenging as I struggle with updating the text in real-time without compromising performance, and I want to avoid manually drawing triangles. Are there any libraries or alternative approaches available for adding 2D text to a scene? It's crucial that I can seamlessly update the text instantly. If you are aware of a library, I would be grateful if you could share a code snippet. Thank you.

javascripttextthree.js2d

Answer №1

To incorporate updateable canvases as sources, consider implementing a CanvasTexture.

var canvas = document.createElement("canvas");
canvas.width = 128;
canvas.height = 128;
var ctx = canvas.getContext("2d");
var texture = new THREE.CanvasTexture(canvas);
var material = new THREE.MeshBasicMaterial( { map: texture } );

let count = 0;
setInterval(() => {
  ctx.fillStyle = "blue";
  ctx.fillRect(0, 0, 128, 128);
  ctx.fillStyle = "white";
  ctx.font = "60px serif";
  ctx.fillText(count, 50, 90);
  texture.needsUpdate = true;
  count++;
}, 1000);

For a complete demonstration, refer to this CodePen: https://codepen.io/dawken/pen/YzydEza?editors=1000

You have the option of using a camera-facing plane rather than a cube to achieve a 2D appearance.

Answer №2

After conducting further investigation, I stumbled upon this helpful library. Incorporating it into my project was a breeze and it functions perfectly for my needs.

Answer №3

When utilizing the webgl or webgl2 context, it is necessary to create a new canvas and write your text in the 2D context before converting the canvas to an image. This method is widely recommended by various frameworks for optimal performance.

Similar questions

If you have not found the answer to your question or you are interested in this topic, then look at other similar questions below or use the search

Display the outline of a translucent image

Looking to create an image reveal effect on my website. I want to display only the outline of a transparent image using brightness, then gradually reveal the full image by removing the brightness effect. Currently, I achieve this with a black outline usi ...

javascripthtmlcssreactjs

Steps to retrieve a base64 image using Cordova's FileTransfer feature

Recently, I encountered an issue with downloading base-64 images using the Cordova file transfer protocol. When I tried to provide a remote server path like "", the download worked perfectly. However, when I attempted to use a base-64 image path for the fi ...

javascriptasp.netcordovabase64telerik-appbuilder

Is there a way to sort data by year and month in mongodb?

I'm trying to filter data by year in MongoDB based on a specific year and month. For example, if I pass in the year 2022, I only want to see data from that year. However, when I try using the $gte and $lte tags, it returns empty results. Can someone g ...

javascriptnode.jsmongodbmongoosemongodb-query

Exploring the Benefits of Combining Vue.js with Laravel

Being a newcomer to Vue, I decided to try it out in a recent project and quickly understood why it's so popular. Everything was running smoothly until I tested it in IE, where nothing seemed to work at all. Encountering errors like Object doesn' ...

javascriptphplaravelvue.jswebpack

Traverse through an array of pictures and add the data to a Bootstrap placeholder within HTML markup

In my quest to create a function that populates placeholders in my HTML with images from an array, I am encountering a problem. Instead of assigning each image index to its corresponding placeholder index, the entire array of images is being placed in ever ...

javascriptjqueryhtmlcsstwitter-bootstrap

Configuring bitfinex-api-node with Node.js to efficiently handle data from the websocket connection

Apologies for the vague title of this question, as I am not well-versed in programming and even less so in node.js My goal is simple: I aim to utilize the bitfinex-api-node package (a node.js wrapper for the bitfinex cryptocurrency exchange) that I instal ...

javascriptnode.jsnpmwebsocket

Unwillingness of Ajax to accept Names containing apostrophes as a parameter

$(".loadingPnl").removeClass('hdn'); var siteurlA = window.location.protocol + "//" + window.location.host + _spPageContextInfo.siteServerRelativeUrl; var callUrl = siteurlA + "/_layouts/15/SynchronyFinancial.Intranet/CreateMySite.aspx/S ...

javascriptjquery

Specification for dynamically changing CSS in Bootstrap tooltips

The default tooltip template in Bootstrap is a black box with white text. However, it is possible to modify the .tooltip css class to have a white background instead: .tooltip{position:absolute;display:none;color:#333;text-align:left;font-size:0.9em;width ...

javascriptcssangularjstwitter-bootstrap

Hovering over objects in Three.js does not function as effectively as clicking on them

Just getting into Three.js I'm attempting to load a GLTF model and add mouseover and mouseout events. The goal is for the color of the GLTF model to change on mouseover and revert back to the original on mouseout. I have had some success with this, ...

javascriptthree.jsgltf

Is there a way to incorporate Arabic text into an image using PHP?

I attempted to generate an image with Arabic text using PHP. Here is the code I used: <?php header("Content-Type: image/png; charset=utf8"); $im = imagecreatetruecolor(150, 30); // Define some colors $white = imagecolorallocate($im, 100, 255, 255); $ ...

phpimagetextarabic

How to use JQuery to automatically scroll to the bottom of a

I've encountered an issue with my chat conversation update function. It runs every 2 seconds, but whenever I scroll up to read older messages, the page automatically scrolls down again when it updates. This is preventing me from reading old messages p ...

javascriptjqueryajax

I possess a JSON object retrieved from Drafter, and my sole interest lies in extracting the schema from it

Working with node to utilize drafter for generating a json schema for an application brings about too much unnecessary output from drafter. The generated json is extensive, but I only require a small portion of it. Here is the full output: { "element": ...

javascriptjsonnode.js

The unfortunate error of 'MODULE NOT DISCOVERED' has arisen, as the module cannot be located

Currently working on resolving the pathing issues: This is how my folder structure appears: /www/html/ /database/ databaseConnection.js /scripts/ LoginPageScript.js server.js index.html In the database js file, there is the following code snippe ...

javascriptnode.jsexpressnode-modules

Use jQuery or javascript to eliminate the 'Webpage Dialog' from the 'showModalDialog' window

At one point on the page, I have a line of code that looks like this: onclick="window.showModalDialog("http://rauf-thecoder.blogspot.com/");" When executed, it displays the following: Is there a way to eliminate the title bar text for the Webpage Dialog ...

javascriptjqueryshowdialog

What is the best way to split strings in an input field?

My task is to create a form with an input field and a dropdown list containing options for Checkbox and Radio. The user should enter text in the input field and select a type from the dropdown. For example: Input field: One, Two, Three Radio The expecte ...

javascripthtmlstringinput

The error message "TypeError: 'undefined' is not an object ('_this.props')" indicates that the property '_this

Having trouble solving this issue. Need assistance with evaluating 'this.props.speciesSelection.modalize' <BarcodeInput speciesSelection={this.props.speciesSelection} species={species[0]} barcode={{ manufacturerValue: ...

javascripttypescriptreact-native

How to implement loading an external script upon a page component being loaded in NextJS

I recently transferred an outdated website to Nextjs and I am having trouble getting the scripts to load consistently every time a page component is loaded. When navigating between pages using next/link component, the scripts only run the first time the ...

javascriptreactjsnext.js

Utilizing the code plugin in conjunction with Popcorn.js

I am currently exploring the world of Popcornjs and attempting to utilize the code plugin. However, I am facing some challenges in implementing it successfully. After following this example and managing to get the video to play, I found myself unable to e ...

javascriptangularjspluginsyoutubepopcornjs

Experiencing trouble with the integration of react native Vector icons in a current project

I'm encountering an issue with React Native Vector Icons. The error message I'm receiving says: Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You l ...

javascriptreact-native

Building collapsible table cell components using ReactJS and Bootstrap 4

For each table row, I need to implement a feature that allows users to click on it and view specific information related to that row. After doing some research, I came across this thread: Twitter Bootstrap Use collapse.js on table cells [Almost Done] I ma ...

javascriptcsstwitter-bootstrapreactjsbootstrap-4