Скачать или смотреть How to Use div.appendChild(canvas) in p5.js

Discover how to correctly append a canvas to a specific point in the DOM using p5.js. Dive into the solution and get your graphics displayed perfectly!
---
This video is based on the question https://stackoverflow.com/q/67423267/ asked by the user 'programming_ritual' ( https://stackoverflow.com/u/15708247/ ) and on the answer https://stackoverflow.com/a/67423734/ provided by the user 'Invizi' ( https://stackoverflow.com/u/10038648/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to use div.appendChild(canvas) in p5JS?

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Use div.appendChild(canvas) in p5.js

When you’re creating graphics on the web using p5.js, you might find yourself wanting to control where your canvas appears in the HTML document. The typical method might lead you to think about using div.appendChild(canvas). If you're running into issues or errors while trying to do this, fear not! In this guide, we’ll discuss the problem and how to fix it effectively.

The Problem

In your initial code, you tried to create a canvas and append it into a specific <div> with the id of "test". However, instead of doing this correctly, you encountered the following error in the console:

[[See Video to Reveal this Text or Code Snippet]]

This error indicates that the canvas you were trying to append was not recognized as a proper DOM node. Let’s break down how to solve this.

The Solution

Step 1: Create the Canvas with p5.js

The key to correctly appending your canvas to the DOM is to use the createCanvas() function provided by p5.js. Here’s how to set it up:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Styling Your Canvas

Here’s a styling snippet you may want to include in your CSS file to ensure your canvas behaves correctly when displayed:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: The Correct HTML Structure

To wrap everything up, here is how the complete HTML file should look:

[[See Video to Reveal this Text or Code Snippet]]

Step 4: Understanding the Draw Function

In your draw() function, you should continue to add drawings to the canvas. For instance, drawing a circle can be accomplished like this:

[[See Video to Reveal this Text or Code Snippet]]

Final Thoughts

By following these steps, you should successfully append a p5.js canvas to a specific element in your HTML document. createCanvas() is the way to go when working with p5.js for canvas creation as it allows the library to manage the canvas node effectively, preventing the errors previously encountered.

So, next time you try to work with a canvas in p5.js, remember to use createCanvas() and canvas.parent(id) for smooth integration into your web project!

Happy coding!