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Ask HN: How to build a 2D wave-like line graph that responds to keyboard events?

1•absoluteunit1•2h ago
Hi everyone,

I’m hoping to build a realtime 2D wave-like line graph with some customizations that responds to user input (keyboard events).

It would need to run on the browser - within a React application.

I’m very new to computer/browser animations and graphics so I would appreciate any direction on how to get started, what relevant subs I should read and what tools I can use that can help me accomplish this.

I’m a software engineer (mostly web, distributed systems, cli tools, etc) but graphics and animation is very new to me.

I’m also potentially open to hiring someone for this as well - but not even sure what type of talent to query for on Upwork, Freelance, etc.

I’ve been diving into the canvas browser API myself for now to explore what's possible.

AI going critical: Hyundai to help build nuclear-powered datacenter in Texas

https://www.theregister.com/2025/08/04/fermi_america_nuclear_datacenter/
1•rntn•45s ago•0 comments

North Korean Soldiers in the Ukraine War: What We Know and What It Means

https://lightcapai.medium.com/north-korean-soldiers-in-the-ukraine-war-what-we-know-and-what-it-means-ed409c3df10c
1•WASDAai•3m ago•1 comments

AI Agent for Founders

1•dan_point•3m ago•1 comments

A Robust, Open-Source Framework for Spiking Neural Networks on Low-End FPGAs

https://arxiv.org/abs/2507.07284
1•PaulHoule•3m ago•0 comments

The Pain of Perfectionism

https://www.newyorker.com/magazine/2025/08/11/the-pain-of-perfectionism
1•littlexsparkee•4m ago•0 comments

Toolkit for Vibe Coding

1•peacefulwarrior•6m ago•1 comments

Intel prepares for Nova Lake CPUs with new Linux support

https://www.tomshardware.com/pc-components/cpus/intel-prepares-for-nova-lake-cpus-with-new-linux-support-retiring-20-year-old-family-6-designation-in-favor-of-family-18
2•rbanffy•7m ago•0 comments

Content-Aware Spaced Repetition

https://www.giacomoran.com/blog/content-aware-sr/
2•ran3000•7m ago•1 comments

Princeton, Can You Hear Me? (2003)

https://www.manifest-tech.com/ce_wireless/wireless_hear_me.htm
1•Lammy•8m ago•0 comments

Denmark zoo asks people to donate their small pets as food for captive predators

https://www.pbs.org/newshour/world/denmark-zoo-asks-people-to-donate-their-small-pets-as-food-for-captive-predators
2•hilux•9m ago•1 comments

D1O1X1I1N1G

https://www.google.com/
1•VodkaMan•9m ago•0 comments

Passkeys are just passwords that require a password manager

https://danfabulich.medium.com/passkeys-are-just-passwords-that-require-a-password-manager-ebb7f2fdcadf
2•dfabulich•10m ago•1 comments

From 245TB Density to Gen6 Throughput: Micron's New SSDs – Storagereview.com

https://www.storagereview.com/news/from-245tb-density-to-gen6-throughput-microns-new-ssds
2•rbanffy•10m ago•0 comments

What is an Atari Democrat? (2009)

https://www.retroist.com/p/what-is-an-atari-democrat
2•thomassmith65•10m ago•1 comments

I Use GitHub Issues

https://www.abeautifulsite.net/posts/how-i-use-git-hub-issues/
2•claviska•12m ago•0 comments

Some thoughts on journals, refereeing, and the P vs. NP problem

https://blog.computationalcomplexity.org/2025/08/some-thoughts-on-journals-refereeing.html
2•baruchel•12m ago•0 comments

Google says its AI-based bug hunter found 20 security vulnerabilities

https://techcrunch.com/2025/08/04/google-says-its-ai-based-bug-hunter-found-20-security-vulnerabilities/
2•rbanffy•13m ago•0 comments

Proton fixes Authenticator bug leaking TOTP secrets in logs

https://www.bleepingcomputer.com/news/security/proton-fixes-authenticator-bug-leaking-totp-secrets-in-logs/
1•HelloUsername•14m ago•0 comments

Getting an LLM to Play Text Adventures

https://entropicthoughts.com/getting-an-llm-to-play-text-adventures
1•jandeboevrie•15m ago•0 comments

Hell's Itch

https://health.clevelandclinic.org/what-the-heck-is-hells-itch
2•simojo•16m ago•0 comments

The great AI bubble – I'm a believer

https://simplelivingsomerset.wordpress.com/2025/07/28/the-great-ai-bubble-im-a-believer/
2•speckx•17m ago•0 comments

Republican Administration Fires Head of BLS After 'Bad' Jobs Report

https://www.nominalnews.com/p/trump-bls-head-fired
4•MPLan•17m ago•2 comments

Show HN: Aha Domain Search

https://www.ahadomainsearch.com/
1•slig•18m ago•0 comments

Marking 13 Years on Mars, NASA's Curiosity Picks Up New Skills

https://www.jpl.nasa.gov/news/marking-13-years-on-mars-nasas-curiosity-picks-up-new-skills/
2•Bluestein•19m ago•0 comments

CureMD

https://www.curemd.com/avalon.asp
4•Atif-Shahzad•21m ago•1 comments

Why the U.S. China Hawks Are Hurting the U.S.

https://www.thefp.com/p/why-the-us-china-hawks-are-hurting
8•sorenKaram•24m ago•0 comments

Show HN: FFlags – Feature flags as code, served from the edge

https://fflags.com
3•tushr•26m ago•1 comments

Kilopixel

https://kilopx.com/
4•iamwil•27m ago•1 comments

My Thoughts on What's Happening in Gaza – Coleman Hughes [video]

https://www.youtube.com/watch?v=Y_FEfYoUij4
2•mhb•28m ago•1 comments

Designing a TRON to Jamma Interface Board

https://www.zdziarski.com/blog/?p=12821
2•speckx•30m ago•0 comments