How to Dynamically Update a p5.js Sketch Inside a React Component Using Props

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The Problem

The Solution

Step 1: Render Container Elements

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

Step 2: Use useEffect with Dependency Arrays

To ensure your sketch updates whenever props change, use the useEffect hook. Pass the prop as a dependency to trigger a re-render of the sketch each time the prop changes.

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

Step 3: Manage Cleanup Properly

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

Step 4: Updating the Sketch Without Recreation (Advanced)

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

Step 5: Additional Considerations

Use useLayoutEffect: For cases where visual flickering occurs, consider using useLayoutEffect instead of useEffect. This will help to minimize any visual discrepancies during rendering.

Testing and Performance: Always test the performance of your setup as rapidly creating and destroying sketches can lead to performance issues, especially in larger applications.

Example Code

Here’s a snippet that summarizes the process discussed:

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

Conclusion

If you have any questions or further suggestions, feel free to share in the comments below!