improving website and optimizing readme #4
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@@ -15,13 +15,13 @@
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<link rel="icon" href="/assets/favicon.ico" type="image/x-icon">
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<link rel="icon" href="/assets/favicon.ico" type="image/x-icon">
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<title>404 | ivanch</title>
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<title>404 | ivanch</title>
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<link rel="stylesheet" href="css/main.css?v=20261011-2">
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<link rel="stylesheet" href="css/main.css?v=20261012-1">
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<link rel="stylesheet" href="css/matrix.css?v=20261011-2">
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<link rel="stylesheet" href="css/matrix.css?v=20261012-1">
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<link rel="stylesheet" href="css/button.css">
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<link rel="stylesheet" href="css/button.css">
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<link rel="stylesheet" href="css/sections/error.css">
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<link rel="stylesheet" href="css/sections/error.css">
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<!-- Remix Icon CDN for the navigation icon -->
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<!-- Remix Icon subset (only the icon used on this page) -->
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<link href="https://cdn.jsdelivr.net/npm/remixicon@3.5.0/fonts/remixicon.css" rel="stylesheet">
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<link rel="stylesheet" href="css/icons.css">
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</head>
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</head>
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<body>
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<body>
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@@ -45,7 +45,7 @@
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</section>
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</section>
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</main>
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</main>
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<script src="js/flowfield.js?v=20261011-2"></script>
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<script src="js/flowfield.js?v=20261012-1"></script>
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</body>
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</body>
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</html>
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</html>
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@@ -1,68 +1,56 @@
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<h1 align="center">
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```text
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Hey there, I'm José 👋
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_ _
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</h1>
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(_)__ ____ _ _ __ ___| |__
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| |\ \ / / _` | '_ \ / __| '_ \
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| | \ V / (_| | | | | (__| | | |
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|_| \_/ \__,_|_| |_|\___|_| |_|
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<p align="center"> .NET Core | DevOps | Self-hosted Enthusiast </p>
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software, servers, and a little sorcery
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```
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I design and automate resilient systems ensuring rapid delivery and rock‑solid reliability.
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<p align="center">
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Passionate about building robust code, streamlining CI/CD, orchestrating Kubernetes, and contributing to open-source.
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<a href="https://ivanch.me"><img alt="Website" src="https://img.shields.io/badge/Website-ivanch.me-4FC3F7?style=for-the-badge&logo=googlechrome&logoColor=white"></a>
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<a href="https://github.com/ivanch"><img alt="GitHub" src="https://img.shields.io/badge/GitHub-ivanch-181717?style=for-the-badge&logo=github&logoColor=white"></a>
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---
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<a href="https://git.ivanch.me/ivanch"><img alt="Gitea" src="https://img.shields.io/badge/-Gitea-609926?style=for-the-badge&logo=gitea&logoColor=white"></a>
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<a href="https://blog.ivanch.me"><img alt="Blog" src="https://img.shields.io/badge/-Blog-667EEA?style=for-the-badge"></a>
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<p align="center" style="margin-top: 25px;">
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<a href="https://www.linkedin.com/in/joseivanch/"><img alt="LinkedIn" src="https://img.shields.io/badge/-LinkedIn-0A66C2?style=for-the-badge&logo=linkedin&logoColor=white"></a>
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<img src="https://img.shields.io/badge/.NET_Core-512BD4?logo=.net&logoColor=white" alt=".NET Core"/>
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<img src="https://img.shields.io/badge/React-20232A?logo=react&logoColor=61DAFB" alt="React"/>
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<img src="https://img.shields.io/badge/Python-3776AB?logo=python&logoColor=white" alt="Python"/>
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<img src="https://img.shields.io/badge/HTML5-E34F26?logo=html5&logoColor=white" alt="HTML5"/>
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<img src="https://img.shields.io/badge/CSS3-1572B6?logo=css3&logoColor=white" alt="CSS3"/>
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<br>
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<img src="https://img.shields.io/badge/PostgreSQL-4169E1?logo=postgresql&logoColor=white" alt="PostgreSQL"/>
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<img src="https://img.shields.io/badge/MySQL-4479A1?logo=mysql&logoColor=white" alt="MySQL"/>
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<img src="https://img.shields.io/badge/Redis-DC382D?logo=redis&logoColor=white" alt="Redis"/>
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<br>
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<img src="https://img.shields.io/badge/Linux-FCC624?logo=linux&logoColor=black" alt="Linux"/>
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<img src="https://img.shields.io/badge/Bash-4EAA25?logo=gnubash&logoColor=white" alt="Bash"/>
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<img src="https://img.shields.io/badge/Docker-2496ED?logo=docker&logoColor=white" alt="Docker"/>
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<img src="https://img.shields.io/badge/Kubernetes-326CE5?logo=kubernetes&logoColor=white" alt="Kubernetes"/>
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<img src="https://img.shields.io/badge/Terraform-623CE4?logo=terraform&logoColor=white" alt="Terraform"/>
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<img src="https://img.shields.io/badge/GitHub_Actions-2088FF?logo=github-actions&logoColor=white" alt="GitHub Actions"/>
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</p>
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</p>
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---
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---
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<h3 align="center"> 🚀 Featured Projects </h3>
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## `$ whoami`
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- 🔍 **[OpenCand](https://github.com/ivanch/opencand)** - [opencand.ivanch.me](https://opencand.ivanch.me)
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Hey, I'm **José**, usually found online as **ivanch**.
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Simple Brazilian candidate data viewer and searcher, made with .NET Core and React
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- 📃 **[Vision Start](https://github.com/ivanch/vision-start)**
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I build software with .NET, automate the path from commit to deployment,
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A glassmorphism-looking like, modern and customizable Chrome startpage
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and give my spare hardware more responsibilities than it probably asked for.
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My corner of the internet is part portfolio, part doorway into the homelab.
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- ⚡️ **[Haven](https://github.com/ivanch/haven)** - *personal homelab*
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```text
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Bare-metal Kubernetes cluster using k3s, some other Docker containers, and some sorcery
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interests
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|-- building robust and maintainable software
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|-- making CI/CD do the repetitive work
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|-- orchestrating containers with Kubernetes
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`-- self-hosting, tinkering, and open source
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```
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- 🎶 **[Kasbot](https://github.com/ivanch/kasbot)**
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## `$ ls toolbox/`
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Discord bot inspired by a Brazilian DJ
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<!--
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| Shelf | Tools |
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---
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| :--- | :--- |
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| **Code** |      |
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| **Data** |    |
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| **Infrastructure** |      |
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| **Delivery** |   |
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<h3 align="center"> 🌐 Contacts and socials </h3>
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## `$ ls projects/`
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<p align="center">
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A few things I've sent out into the world:
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<a href="https://www.linkedin.com/in/joseivanch/">
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<img src="https://img.shields.io/badge/LinkedIn-0A66C2?logo=linkedin&logoColor=white" alt="LinkedIn"/>
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| Project | What it does |
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</a>
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| :--- | :--- |
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<a href="https://last.fm/user/ivanch">
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| **[OpenCand](https://github.com/ivanch/opencand)** | Search and explore Brazilian candidate data with .NET Core and React |
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<img src="https://img.shields.io/badge/Last.fm-D51007?logo=lastdotfm&logoColor=white" alt="Last.fm"/>
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| **[Vision Start](https://github.com/ivanch/vision-start)** | A customizable Chrome startpage with a glassmorphism look |
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</a>
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| **[Kasbot](https://github.com/ivanch/kasbot)** | A Discord bot inspired by a Brazilian DJ |
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<a href="https://git.ivanch.me/ivanch">
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| **[Candlebright](https://github.com/ivanch/candlebright)** | A game project written in C++ |
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<img src="https://img.shields.io/badge/Gitea-007300?logo=gitea&logoColor=white" alt="Gitea"/>
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| **[Haven](https://github.com/ivanch/haven)** | My personal homelab (now with GitOps!) |
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</a>
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<a href="mailto:jose.henrique.ivan@gmail.com">
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<img src="https://img.shields.io/badge/Email-333333?logo=gmail&logoColor=white" alt="Email"/>
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</a>
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<a href="https://blog.ivanch.me/">
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<img src="https://img.shields.io/badge/Blog-9aa500?logo=blogger&logoColor=white" alt="Blog"/>
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</a>
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</p> -->
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After Width: | Height: | Size: 62 KiB |
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Before Width: | Height: | Size: 1.1 MiB |
@@ -0,0 +1,35 @@
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/*
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* Remix Icon v3.5.0 (subset)
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* https://remixicon.com
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* Released under the Apache License Version 2.0
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*
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* Only the icons used by the site are included. The font file is a subset of
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* remixicon.woff2 that contains just these glyphs. To add an icon, copy its
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* rule from the full remixicon.css and re-subset the font with its codepoint.
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*/
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@font-face {
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font-family: "remixicon";
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src: url("../assets/fonts/remixicon-subset.woff2") format("woff2");
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font-weight: normal;
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font-style: normal;
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font-display: swap;
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}
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[class^="ri-"], [class*=" ri-"] {
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font-family: 'remixicon' !important;
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font-style: normal;
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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}
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.ri-article-line:before { content: "\ea7e"; }
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.ri-briefcase-line:before { content: "\eaf5"; }
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.ri-building-2-fill:before { content: "\eb08"; }
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.ri-git-repository-fill:before { content: "\edc6"; }
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.ri-github-fill:before { content: "\edca"; }
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.ri-global-line:before { content: "\edcf"; }
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.ri-graduation-cap-fill:before { content: "\f332"; }
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.ri-home-5-line:before { content: "\ee1f"; }
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.ri-linkedin-fill:before { content: "\eeb5"; }
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.ri-mail-fill:before { content: "\eef3"; }
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.ri-terminal-box-line:before { content: "\f1f6"; }
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@@ -59,7 +59,6 @@ img {
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border-top: 1px solid var(--glass-border);
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border-top: 1px solid var(--glass-border);
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border-bottom: 1px solid var(--glass-border);
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border-bottom: 1px solid var(--glass-border);
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box-shadow: var(--shadow-lg), var(--inset-shadow);
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box-shadow: var(--shadow-lg), var(--inset-shadow);
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will-change: box-shadow;
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animation: glass-shadow 10s ease-in-out infinite;
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animation: glass-shadow 10s ease-in-out infinite;
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}
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}
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+5
-7
@@ -8,10 +8,12 @@
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pointer-events: none;
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pointer-events: none;
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overflow: hidden;
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overflow: hidden;
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background: rgba(0, 0, 0, 0.88);
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background: rgba(0, 0, 0, 0.88);
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/* Colors are pre-dimmed (x0.7) rather than using `filter: brightness()`,
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which would re-filter the whole animated canvas every frame. The
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particle colors get the same treatment in js/flowfield.js. */
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background-image:
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background-image:
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radial-gradient(120% 100% at 50% 0%, rgba(20, 24, 48, 0.55) 0%, rgba(0, 0, 0, 0) 60%),
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radial-gradient(120% 100% at 50% 0%, rgba(14, 17, 34, 0.55) 0%, rgba(0, 0, 0, 0) 60%),
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linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(18, 18, 38, 0.72) 100%);
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linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(13, 13, 27, 0.72) 100%);
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filter: brightness(0.7) saturate(1.05);
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}
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}
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/* CSS only on phones/tablets and for reduced motion: no canvas work. */
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/* CSS only on phones/tablets and for reduced motion: no canvas work. */
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@@ -37,10 +39,6 @@
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animation: none;
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animation: none;
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}
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}
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.main-container .glass {
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will-change: auto;
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}
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/* Avoid blur compositing work while scrolling. */
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/* Avoid blur compositing work while scrolling. */
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body .main-container :is(.glass, .content, .projects-section, .homelab-section, .btn) {
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body .main-container :is(.glass, .content, .projects-section, .homelab-section, .btn) {
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backdrop-filter: none;
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backdrop-filter: none;
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+6
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@@ -14,18 +14,18 @@
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<link rel="icon" href="/assets/favicon.ico" type="image/x-icon">
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<link rel="icon" href="/assets/favicon.ico" type="image/x-icon">
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<title>ivanch</title>
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<title>ivanch</title>
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<link rel="stylesheet" href="css/main.css?v=20261011-2">
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<link rel="stylesheet" href="css/main.css?v=20261012-1">
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<link rel="stylesheet" href="css/sections/profile.css?v=20261011-2">
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<link rel="stylesheet" href="css/sections/profile.css?v=20261011-2">
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<link rel="stylesheet" href="css/sections/homelab.css?v=20261011-2">
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<link rel="stylesheet" href="css/sections/homelab.css?v=20261011-2">
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<link rel="stylesheet" href="css/sections/projects.css?v=20261011-2">
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<link rel="stylesheet" href="css/sections/projects.css?v=20261011-2">
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<link rel="stylesheet" href="css/sections/hero.css?v=20261011-2">
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<link rel="stylesheet" href="css/sections/hero.css?v=20261011-2">
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<link rel="stylesheet" href="css/matrix.css?v=20261011-2">
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<link rel="stylesheet" href="css/matrix.css?v=20261012-1">
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<link rel="stylesheet" href="css/button.css">
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<link rel="stylesheet" href="css/button.css">
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<!-- Remix Icon CDN for social icons -->
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<!-- Remix Icon subset (only the icons used on this page) -->
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<link href="https://cdn.jsdelivr.net/npm/remixicon@3.5.0/fonts/remixicon.css" rel="stylesheet">
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<link rel="stylesheet" href="css/icons.css">
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</head>
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</head>
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<body>
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<body>
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<canvas class="matrix-canvas" id="matrixCanvas"></canvas>
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<canvas class="matrix-canvas" id="matrixCanvas"></canvas>
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@@ -34,7 +34,7 @@
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<div class="glass hero-card">
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<div class="glass hero-card">
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<div class="profile-container">
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<div class="profile-container">
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<div class="avatar">
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<div class="avatar">
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<img src="/assets/lain.png" alt="Avatar" />
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<img src="/assets/lain.jpg" alt="Avatar" width="320" height="320" decoding="async" />
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</div>
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</div>
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<div class="profile-info">
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<div class="profile-info">
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<div class="profile-info-item">
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<div class="profile-info-item">
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@@ -149,7 +149,7 @@
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</div>
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</div>
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</main>
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</main>
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<script src="js/flowfield.js?v=20261011-2"></script>
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<script src="js/flowfield.js?v=20261012-1"></script>
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<script src="js/social.js"></script>
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<script src="js/social.js"></script>
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</body>
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</body>
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</html>
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</html>
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+144
-23
@@ -10,6 +10,12 @@
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* Trails are drawn by erasing the previous frame with a low-alpha
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* Trails are drawn by erasing the previous frame with a low-alpha
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* `destination-out` pass, so the CSS gradient painted behind the canvas
|
* `destination-out` pass, so the CSS gradient painted behind the canvas
|
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* element keeps showing through instead of being flooded by an opaque fill.
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* element keeps showing through instead of being flooded by an opaque fill.
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*
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* Performance notes: particles are bucketed by (tone, width, alpha) and each
|
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* bucket is stroked as a single path, so a frame issues roughly a third of
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* the draw calls of one-per-particle, with no per-frame string allocation.
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* The loop is capped at ~60 fps so high-refresh displays don't do 2x the
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* work (the simulation is frame-based, so this also keeps speed consistent).
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*/
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*/
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/* Deterministic PRNG so the noise permutation is stable within a page load. */
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/* Deterministic PRNG so the noise permutation is stable within a page load. */
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@@ -117,6 +123,8 @@ class FlowFieldBackground {
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this.mouse = { x: 0, y: 0, active: false };
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this.mouse = { x: 0, y: 0, active: false };
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this.rafId = null;
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this.rafId = null;
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this.resizeRaf = null;
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this.resizeRaf = null;
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this.lastFrame = 0;
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this.frameInterval = 1000 / 60;
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this.events = new AbortController();
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this.events = new AbortController();
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this.width = 0;
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this.width = 0;
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@@ -151,9 +159,42 @@ class FlowFieldBackground {
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|||||||
{ weight: 0.13, rgb: '146, 103, 197', alpha: 0.16 } // Soft violet
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{ weight: 0.13, rgb: '146, 103, 197', alpha: 0.16 } // Soft violet
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];
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];
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this.buildStyleCache();
|
||||||
this.init();
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this.init();
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||||||
}
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}
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||||||
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||||||
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buildStyleCache() {
|
||||||
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// Colors are dimmed here instead of with a CSS `filter: brightness()`
|
||||||
|
// on the canvas, which would cost a full-screen filter pass per frame.
|
||||||
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// Additive blending is linear, so the result is nearly identical.
|
||||||
|
const dim = 0.7;
|
||||||
|
const dimRgb = (rgb) => rgb.split(',').map((c) => Math.round(c * dim)).join(', ');
|
||||||
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for (const tone of this.palette) tone.drawRgb = dimRgb(tone.rgb);
|
||||||
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const dotRgb = dimRgb('240, 248, 255');
|
||||||
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||||||
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// Alpha and line width are quantized so particles can share a path.
|
||||||
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// Steps are small enough that the difference is not visible.
|
||||||
|
this.alphaStep = 0.02;
|
||||||
|
this.alphaLevels = Math.round(1 / this.alphaStep) + 1;
|
||||||
|
this.widthStep = 0.2;
|
||||||
|
this.widthLevels = 10; // covers the 0.4px - 1.8px particle range
|
||||||
|
|
||||||
|
this.strokeStyles = [];
|
||||||
|
for (const tone of this.palette) {
|
||||||
|
for (let a = 0; a < this.alphaLevels; a++) {
|
||||||
|
this.strokeStyles.push(`rgba(${tone.drawRgb}, ${(a * this.alphaStep).toFixed(3)})`);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
this.dotStyles = [];
|
||||||
|
for (let a = 0; a < this.alphaLevels; a++) {
|
||||||
|
this.dotStyles.push(`rgba(${dotRgb}, ${(a * this.alphaStep).toFixed(3)})`);
|
||||||
|
}
|
||||||
|
|
||||||
|
const lineBuckets = this.palette.length * this.widthLevels * this.alphaLevels;
|
||||||
|
this.lineCounts = new Uint16Array(lineBuckets + 1);
|
||||||
|
this.dotCounts = new Uint16Array(this.alphaLevels + 1);
|
||||||
|
}
|
||||||
|
|
||||||
init() {
|
init() {
|
||||||
this.bindEvents();
|
this.bindEvents();
|
||||||
this.handleResize();
|
this.handleResize();
|
||||||
@@ -231,7 +272,9 @@ class FlowFieldBackground {
|
|||||||
|
|
||||||
this.width = w;
|
this.width = w;
|
||||||
this.height = h;
|
this.height = h;
|
||||||
this.dpr = Math.min(window.devicePixelRatio || 1, 2);
|
// The strokes are faint and soft, so a 1x buffer looks nearly the same
|
||||||
|
// on HiDPI screens while using a quarter of the memory and fill cost.
|
||||||
|
this.dpr = 1;
|
||||||
this.canvas.width = Math.round(w * this.dpr);
|
this.canvas.width = Math.round(w * this.dpr);
|
||||||
this.canvas.height = Math.round(h * this.dpr);
|
this.canvas.height = Math.round(h * this.dpr);
|
||||||
this.ctx.setTransform(this.dpr, 0, 0, this.dpr, 0, 0);
|
this.ctx.setTransform(this.dpr, 0, 0, this.dpr, 0, 0);
|
||||||
@@ -243,21 +286,28 @@ class FlowFieldBackground {
|
|||||||
this.particles.push(this.createParticle());
|
this.particles.push(this.createParticle());
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Scratch buffers for bucketing particles at draw time.
|
||||||
|
this.lineKeys = new Int16Array(count);
|
||||||
|
this.lineOrder = new Uint16Array(count);
|
||||||
|
this.dotKeys = new Int16Array(count);
|
||||||
|
this.dotOrder = new Uint16Array(count);
|
||||||
|
|
||||||
// Repaint a short exposure so a resize never flashes an empty canvas.
|
// Repaint a short exposure so a resize never flashes an empty canvas.
|
||||||
this.warmup(30);
|
this.warmup(30);
|
||||||
}
|
}
|
||||||
|
|
||||||
pickTone() {
|
pickTone() {
|
||||||
let roll = Math.random();
|
let roll = Math.random();
|
||||||
for (const tone of this.palette) {
|
for (let i = 0; i < this.palette.length; i++) {
|
||||||
roll -= tone.weight;
|
roll -= this.palette[i].weight;
|
||||||
if (roll <= 0) return tone;
|
if (roll <= 0) return i;
|
||||||
}
|
}
|
||||||
return this.palette[0];
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
createParticle() {
|
createParticle() {
|
||||||
const tone = this.pickTone();
|
const toneIndex = this.pickTone();
|
||||||
|
const tone = this.palette[toneIndex];
|
||||||
const { min, max } = this.config.life;
|
const { min, max } = this.config.life;
|
||||||
|
|
||||||
// 3 Depth layers: 0 (background ambient), 1 (main stream), 2 (foreground highlight)
|
// 3 Depth layers: 0 (background ambient), 1 (main stream), 2 (foreground highlight)
|
||||||
@@ -289,7 +339,7 @@ class FlowFieldBackground {
|
|||||||
vy: 0,
|
vy: 0,
|
||||||
speed: this.config.baseSpeed * speedMult * (0.75 + Math.random() * 0.5),
|
speed: this.config.baseSpeed * speedMult * (0.75 + Math.random() * 0.5),
|
||||||
width: (0.7 + Math.random() * 0.5) * widthMult,
|
width: (0.7 + Math.random() * 0.5) * widthMult,
|
||||||
rgb: tone.rgb,
|
tone: toneIndex,
|
||||||
baseAlpha: tone.alpha * (0.75 + Math.random() * 0.5) * alphaMult,
|
baseAlpha: tone.alpha * (0.75 + Math.random() * 0.5) * alphaMult,
|
||||||
alpha: 0,
|
alpha: 0,
|
||||||
glow: 0,
|
glow: 0,
|
||||||
@@ -314,7 +364,7 @@ class FlowFieldBackground {
|
|||||||
for (let i = 0; i < count; i++) {
|
for (let i = 0; i < count; i++) {
|
||||||
const angle = Math.random() * Math.PI * 2;
|
const angle = Math.random() * Math.PI * 2;
|
||||||
const speed = 1.0 + Math.random() * 2.2;
|
const speed = 1.0 + Math.random() * 2.2;
|
||||||
const tone = this.pickTone();
|
const tone = this.palette[this.pickTone()];
|
||||||
this.sparks.push({
|
this.sparks.push({
|
||||||
x,
|
x,
|
||||||
y,
|
y,
|
||||||
@@ -322,7 +372,7 @@ class FlowFieldBackground {
|
|||||||
py: y,
|
py: y,
|
||||||
vx: Math.cos(angle) * speed,
|
vx: Math.cos(angle) * speed,
|
||||||
vy: Math.sin(angle) * speed,
|
vy: Math.sin(angle) * speed,
|
||||||
rgb: tone.rgb,
|
rgb: tone.drawRgb,
|
||||||
size: 0.6 + Math.random() * 0.8,
|
size: 0.6 + Math.random() * 0.8,
|
||||||
alpha: 0.6 + Math.random() * 0.25,
|
alpha: 0.6 + Math.random() * 0.25,
|
||||||
life: 0,
|
life: 0,
|
||||||
@@ -441,34 +491,99 @@ class FlowFieldBackground {
|
|||||||
this.ctx.fillRect(0, 0, this.width, this.height);
|
this.ctx.fillRect(0, 0, this.width, this.height);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* Counting sort: groups particle indices in `order` by their bucket key
|
||||||
|
(keys < 0 are skipped). Afterwards counts[k] is the end offset of
|
||||||
|
bucket k, and bucket k starts where bucket k - 1 ends. */
|
||||||
|
sortByKey(keys, n, counts, order) {
|
||||||
|
counts.fill(0);
|
||||||
|
for (let i = 0; i < n; i++) {
|
||||||
|
if (keys[i] >= 0) counts[keys[i] + 1]++;
|
||||||
|
}
|
||||||
|
for (let k = 1; k < counts.length; k++) counts[k] += counts[k - 1];
|
||||||
|
for (let i = 0; i < n; i++) {
|
||||||
|
const k = keys[i];
|
||||||
|
if (k >= 0) order[counts[k]++] = i;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
drawParticles() {
|
drawParticles() {
|
||||||
const ctx = this.ctx;
|
const ctx = this.ctx;
|
||||||
// Additive blending gives a soft glow where currents overlap.
|
const particles = this.particles;
|
||||||
ctx.globalCompositeOperation = 'lighter';
|
const n = particles.length;
|
||||||
ctx.lineCap = 'round';
|
const { alphaStep, alphaLevels, widthStep, widthLevels, lineKeys, dotKeys } = this;
|
||||||
|
const glowBoost = this.config.glowBoost;
|
||||||
|
|
||||||
for (const p of this.particles) {
|
for (let i = 0; i < n; i++) {
|
||||||
|
const p = particles[i];
|
||||||
|
lineKeys[i] = -1;
|
||||||
|
dotKeys[i] = -1;
|
||||||
if (p.fresh) {
|
if (p.fresh) {
|
||||||
p.fresh = false;
|
p.fresh = false;
|
||||||
continue;
|
continue;
|
||||||
}
|
}
|
||||||
const alpha = Math.min(1, p.alpha + p.glow * this.config.glowBoost);
|
const alpha = Math.min(1, p.alpha + p.glow * glowBoost);
|
||||||
if (alpha <= 0.005) continue;
|
const a = Math.round(alpha / alphaStep);
|
||||||
|
if (a === 0) continue;
|
||||||
|
|
||||||
ctx.strokeStyle = `rgba(${p.rgb}, ${alpha.toFixed(3)})`;
|
const w = Math.min(widthLevels - 1, Math.round(p.width / widthStep));
|
||||||
ctx.lineWidth = p.width;
|
lineKeys[i] = (p.tone * widthLevels + w) * alphaLevels + a;
|
||||||
|
|
||||||
|
// A subtle bright dot at the head of foreground particles
|
||||||
|
if (p.depth === 2 && (p.glow > 0.1 || Math.random() < 0.12)) {
|
||||||
|
dotKeys[i] = Math.round((alpha * 0.75) / alphaStep);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Additive blending gives a soft glow where currents overlap. It is
|
||||||
|
// also order-independent, so batching does not change the result.
|
||||||
|
ctx.globalCompositeOperation = 'lighter';
|
||||||
|
ctx.lineCap = 'round';
|
||||||
|
|
||||||
|
const lineCounts = this.lineCounts;
|
||||||
|
const lineOrder = this.lineOrder;
|
||||||
|
this.sortByKey(lineKeys, n, lineCounts, lineOrder);
|
||||||
|
let start = 0;
|
||||||
|
for (let k = 0; k < lineCounts.length - 1; k++) {
|
||||||
|
const end = lineCounts[k];
|
||||||
|
if (end === start) continue;
|
||||||
|
|
||||||
|
const a = k % alphaLevels;
|
||||||
|
const toneWidth = (k - a) / alphaLevels;
|
||||||
|
const w = toneWidth % widthLevels;
|
||||||
|
const tone = (toneWidth - w) / widthLevels;
|
||||||
|
|
||||||
|
ctx.strokeStyle = this.strokeStyles[tone * alphaLevels + a];
|
||||||
|
ctx.lineWidth = w * widthStep;
|
||||||
ctx.beginPath();
|
ctx.beginPath();
|
||||||
|
for (let j = start; j < end; j++) {
|
||||||
|
const p = particles[lineOrder[j]];
|
||||||
ctx.moveTo(p.px, p.py);
|
ctx.moveTo(p.px, p.py);
|
||||||
ctx.lineTo(p.x, p.y);
|
ctx.lineTo(p.x, p.y);
|
||||||
|
}
|
||||||
ctx.stroke();
|
ctx.stroke();
|
||||||
|
start = end;
|
||||||
|
}
|
||||||
|
|
||||||
// Draw a subtle bright dot at the head of foreground particles
|
const dotCounts = this.dotCounts;
|
||||||
if (p.depth === 2 && (p.glow > 0.1 || Math.random() < 0.12)) {
|
const dotOrder = this.dotOrder;
|
||||||
ctx.fillStyle = `rgba(240, 248, 255, ${(alpha * 0.75).toFixed(3)})`;
|
this.sortByKey(dotKeys, n, dotCounts, dotOrder);
|
||||||
|
start = 0;
|
||||||
|
for (let a = 0; a < dotCounts.length - 1; a++) {
|
||||||
|
const end = dotCounts[a];
|
||||||
|
if (end === start) continue;
|
||||||
|
|
||||||
|
if (a > 0) {
|
||||||
|
ctx.fillStyle = this.dotStyles[a];
|
||||||
ctx.beginPath();
|
ctx.beginPath();
|
||||||
ctx.arc(p.x, p.y, p.width * 0.75, 0, Math.PI * 2);
|
for (let j = start; j < end; j++) {
|
||||||
|
const p = particles[dotOrder[j]];
|
||||||
|
const r = p.width * 0.75;
|
||||||
|
ctx.moveTo(p.x + r, p.y);
|
||||||
|
ctx.arc(p.x, p.y, r, 0, Math.PI * 2);
|
||||||
|
}
|
||||||
ctx.fill();
|
ctx.fill();
|
||||||
}
|
}
|
||||||
|
start = end;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
@@ -506,9 +621,15 @@ class FlowFieldBackground {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
animate() {
|
animate(now = performance.now()) {
|
||||||
|
this.rafId = requestAnimationFrame((t) => this.animate(t));
|
||||||
|
|
||||||
|
// Cap at ~60 fps; keep the remainder so 120/144 Hz average out to 60.
|
||||||
|
const elapsed = now - this.lastFrame;
|
||||||
|
if (elapsed < this.frameInterval * 0.9) return;
|
||||||
|
this.lastFrame = now - (elapsed % this.frameInterval);
|
||||||
|
|
||||||
this.step(true);
|
this.step(true);
|
||||||
this.rafId = requestAnimationFrame(() => this.animate());
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
-320
@@ -1,320 +0,0 @@
|
|||||||
class MatrixBackground {
|
|
||||||
constructor() {
|
|
||||||
this.canvas = document.getElementById('matrixCanvas');
|
|
||||||
this.ctx = this.canvas.getContext('2d');
|
|
||||||
this.dots = [];
|
|
||||||
this.connections = [];
|
|
||||||
this.mouse = { x: -9999, y: -9999, active: false };
|
|
||||||
this.rafId = null;
|
|
||||||
this.isRunning = true;
|
|
||||||
this.prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
|
|
||||||
|
|
||||||
this.config = {
|
|
||||||
dotCount: this.getMobileDotCount(),
|
|
||||||
dotSpeed: 0.2,
|
|
||||||
connectionDuration: { min: 2000, max: 6000 },
|
|
||||||
connectionChance: 0.0002,
|
|
||||||
maxConnections: this.getMobileMaxConnections(),
|
|
||||||
dotSize: 3,
|
|
||||||
mouseRadius: 110,
|
|
||||||
mouseForce: 0.6,
|
|
||||||
// Palette synced to the UI accent tokens
|
|
||||||
colors: {
|
|
||||||
dotDefault: 'rgba(230, 240, 255, 0.78)',
|
|
||||||
dotDefaultGlow: 'rgba(180, 220, 255, 0.40)',
|
|
||||||
dotConnected: 'rgba(120, 190, 245, 0.85)',
|
|
||||||
dotConnectedGlow: 'rgba(79, 195, 247, 0.55)',
|
|
||||||
connection: {
|
|
||||||
start: 'rgba(102, 126, 234, 0.22)',
|
|
||||||
middle: 'rgba(118, 75, 162, 0.62)',
|
|
||||||
end: 'rgba(79, 195, 247, 0.22)'
|
|
||||||
}
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
this.init();
|
|
||||||
}
|
|
||||||
|
|
||||||
getMobileDotCount() {
|
|
||||||
if (window.innerWidth <= 480) return 35;
|
|
||||||
if (window.innerWidth <= 768) return 45;
|
|
||||||
if (window.innerWidth >= 2100) return 100;
|
|
||||||
return 50;
|
|
||||||
}
|
|
||||||
|
|
||||||
getMobileMaxConnections() {
|
|
||||||
if (window.innerWidth <= 480) return 4;
|
|
||||||
if (window.innerWidth <= 768) return 6;
|
|
||||||
return 8;
|
|
||||||
}
|
|
||||||
|
|
||||||
init() {
|
|
||||||
this.handleResize();
|
|
||||||
this.bindEvents();
|
|
||||||
this.animate();
|
|
||||||
}
|
|
||||||
|
|
||||||
bindEvents() {
|
|
||||||
// Pointer reactivity — push dots away from cursor for a "matrix repel" feel.
|
|
||||||
// Touch devices are included; the dot pushes happen only while touched.
|
|
||||||
window.addEventListener('pointermove', (e) => {
|
|
||||||
this.mouse.x = e.clientX;
|
|
||||||
this.mouse.y = e.clientY;
|
|
||||||
this.mouse.active = true;
|
|
||||||
}, { passive: true });
|
|
||||||
|
|
||||||
window.addEventListener('pointerout', () => {
|
|
||||||
this.mouse.active = false;
|
|
||||||
this.mouse.x = -9999;
|
|
||||||
this.mouse.y = -9999;
|
|
||||||
});
|
|
||||||
|
|
||||||
// Pause the rAF loop when the tab is hidden to save CPU / battery.
|
|
||||||
document.addEventListener('visibilitychange', () => {
|
|
||||||
if (document.hidden) {
|
|
||||||
this.stop();
|
|
||||||
} else {
|
|
||||||
this.start();
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
// Resize is debounced via rAF; disabled on mobile for perf parity with original.
|
|
||||||
if (window.innerWidth > 768) {
|
|
||||||
let resizeRaf = null;
|
|
||||||
window.addEventListener('resize', () => {
|
|
||||||
if (resizeRaf) cancelAnimationFrame(resizeRaf);
|
|
||||||
resizeRaf = requestAnimationFrame(() => this.handleResize());
|
|
||||||
});
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
start() {
|
|
||||||
if (this.rafId || !this.isRunning) return;
|
|
||||||
this.animate();
|
|
||||||
}
|
|
||||||
|
|
||||||
stop() {
|
|
||||||
if (this.rafId) {
|
|
||||||
cancelAnimationFrame(this.rafId);
|
|
||||||
this.rafId = null;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
handleResize() {
|
|
||||||
this.canvas.width = window.innerWidth;
|
|
||||||
this.canvas.height = window.innerHeight;
|
|
||||||
this.config.dotCount = this.getMobileDotCount();
|
|
||||||
this.config.maxConnections = this.getMobileMaxConnections();
|
|
||||||
this.createDots();
|
|
||||||
}
|
|
||||||
|
|
||||||
createDots() {
|
|
||||||
this.dots = [];
|
|
||||||
for (let i = 0; i < this.config.dotCount; i++) {
|
|
||||||
this.createDot();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
createDot() {
|
|
||||||
const startX = Math.random() * (this.canvas.width - 20) + 10;
|
|
||||||
const startY = Math.random() * (this.canvas.height - 20) + 10;
|
|
||||||
|
|
||||||
const angle = Math.random() * Math.PI * 2;
|
|
||||||
const speed = this.config.dotSpeed * (0.8 + Math.random() * 0.4);
|
|
||||||
const baseVelocityX = Math.cos(angle) * speed;
|
|
||||||
const baseVelocityY = Math.sin(angle) * speed;
|
|
||||||
|
|
||||||
this.dots.push({
|
|
||||||
x: startX,
|
|
||||||
y: startY,
|
|
||||||
vx: baseVelocityX,
|
|
||||||
vy: baseVelocityY,
|
|
||||||
baseVx: baseVelocityX,
|
|
||||||
baseVy: baseVelocityY,
|
|
||||||
wanderPhase: Math.random() * Math.PI * 2,
|
|
||||||
wanderSpeed: 0.01 + Math.random() * 0.01,
|
|
||||||
opacity: Math.random() * 0.3 + 0.7,
|
|
||||||
size: this.config.dotSize + Math.random() * 2,
|
|
||||||
connectionCount: 0
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
updateDots() {
|
|
||||||
const radius = this.config.mouseRadius;
|
|
||||||
const radiusSq = radius * radius;
|
|
||||||
const force = this.config.mouseForce;
|
|
||||||
|
|
||||||
this.dots.forEach(dot => {
|
|
||||||
// Mouse repulsion
|
|
||||||
if (this.mouse.active) {
|
|
||||||
const dx = dot.x - this.mouse.x;
|
|
||||||
const dy = dot.y - this.mouse.y;
|
|
||||||
const distSq = dx * dx + dy * dy;
|
|
||||||
if (distSq < radiusSq && distSq > 0.5) {
|
|
||||||
const dist = Math.sqrt(distSq);
|
|
||||||
const strength = (1 - dist / radius) * force;
|
|
||||||
dot.vx += (dx / dist) * strength;
|
|
||||||
dot.vy += (dy / dist) * strength;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
dot.x += dot.vx;
|
|
||||||
dot.y += dot.vy;
|
|
||||||
|
|
||||||
// Ease back to a gentle autonomous drift after pointer interaction.
|
|
||||||
dot.wanderPhase += dot.wanderSpeed;
|
|
||||||
const wanderX = Math.cos(dot.wanderPhase) * 0.03;
|
|
||||||
const wanderY = Math.sin(dot.wanderPhase * 0.8) * 0.03;
|
|
||||||
dot.vx += (dot.baseVx + wanderX - dot.vx) * 0.02;
|
|
||||||
dot.vy += (dot.baseVy + wanderY - dot.vy) * 0.02;
|
|
||||||
|
|
||||||
// Reflect at the canvas edge. Keep the base velocity in sync with
|
|
||||||
// the bounce so the drift easing does not push the dot back into
|
|
||||||
// the same wall on the next frames.
|
|
||||||
const dotRadius = dot.size / 2;
|
|
||||||
const minX = dotRadius;
|
|
||||||
const minY = dotRadius;
|
|
||||||
const maxX = Math.max(minX, this.canvas.width - dotRadius);
|
|
||||||
const maxY = Math.max(minY, this.canvas.height - dotRadius);
|
|
||||||
|
|
||||||
if (dot.x <= minX && dot.vx < 0) {
|
|
||||||
dot.x = minX + (minX - dot.x);
|
|
||||||
dot.vx = Math.abs(dot.vx);
|
|
||||||
dot.baseVx = Math.abs(dot.baseVx);
|
|
||||||
} else if (dot.x >= maxX && dot.vx > 0) {
|
|
||||||
dot.x = maxX - (dot.x - maxX);
|
|
||||||
dot.vx = -Math.abs(dot.vx);
|
|
||||||
dot.baseVx = -Math.abs(dot.baseVx);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (dot.y <= minY && dot.vy < 0) {
|
|
||||||
dot.y = minY + (minY - dot.y);
|
|
||||||
dot.vy = Math.abs(dot.vy);
|
|
||||||
dot.baseVy = Math.abs(dot.baseVy);
|
|
||||||
} else if (dot.y >= maxY && dot.vy > 0) {
|
|
||||||
dot.y = maxY - (dot.y - maxY);
|
|
||||||
dot.vy = -Math.abs(dot.vy);
|
|
||||||
dot.baseVy = -Math.abs(dot.baseVy);
|
|
||||||
}
|
|
||||||
|
|
||||||
// A large pointer impulse can overshoot both edges by more than
|
|
||||||
// one frame, so clamp after reflecting the position.
|
|
||||||
dot.x = Math.max(minX, Math.min(maxX, dot.x));
|
|
||||||
dot.y = Math.max(minY, Math.min(maxY, dot.y));
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
drawDots() {
|
|
||||||
this.dots.forEach(dot => {
|
|
||||||
const isConnected = dot.connectionCount > 0;
|
|
||||||
this.ctx.beginPath();
|
|
||||||
this.ctx.arc(dot.x, dot.y, dot.size / 2, 0, Math.PI * 2);
|
|
||||||
this.ctx.fillStyle = isConnected ? this.config.colors.dotConnected : this.config.colors.dotDefault;
|
|
||||||
this.ctx.globalAlpha = dot.opacity;
|
|
||||||
this.ctx.shadowBlur = 6;
|
|
||||||
this.ctx.shadowColor = isConnected ? this.config.colors.dotConnectedGlow : this.config.colors.dotDefaultGlow;
|
|
||||||
this.ctx.fill();
|
|
||||||
});
|
|
||||||
this.ctx.globalAlpha = 1;
|
|
||||||
this.ctx.shadowBlur = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
createConnection(dot1, dot2) {
|
|
||||||
if (this.connections.length >= this.config.maxConnections) return;
|
|
||||||
|
|
||||||
dot1.connectionCount++;
|
|
||||||
dot2.connectionCount++;
|
|
||||||
|
|
||||||
this.connections.push({
|
|
||||||
dot1: dot1,
|
|
||||||
dot2: dot2,
|
|
||||||
startTime: Date.now(),
|
|
||||||
duration: Math.random() * (this.config.connectionDuration.max - this.config.connectionDuration.min) + this.config.connectionDuration.min
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
updateConnections() {
|
|
||||||
this.connections = this.connections.filter(conn => {
|
|
||||||
const elapsed = Date.now() - conn.startTime;
|
|
||||||
if (elapsed > conn.duration) {
|
|
||||||
conn.dot1.connectionCount--;
|
|
||||||
conn.dot2.connectionCount--;
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
return true;
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
drawConnections() {
|
|
||||||
this.connections.forEach(conn => {
|
|
||||||
const { dot1, dot2, startTime, duration } = conn;
|
|
||||||
const elapsed = Date.now() - startTime;
|
|
||||||
const opacity = Math.min(1, elapsed / 500);
|
|
||||||
|
|
||||||
const gradient = this.ctx.createLinearGradient(dot1.x, dot1.y, dot2.x, dot2.y);
|
|
||||||
gradient.addColorStop(0, this.config.colors.connection.start);
|
|
||||||
gradient.addColorStop(0.5, this.config.colors.connection.middle);
|
|
||||||
gradient.addColorStop(1, this.config.colors.connection.end);
|
|
||||||
|
|
||||||
this.ctx.beginPath();
|
|
||||||
this.ctx.moveTo(dot1.x, dot1.y);
|
|
||||||
this.ctx.lineTo(dot2.x, dot2.y);
|
|
||||||
|
|
||||||
this.ctx.strokeStyle = gradient;
|
|
||||||
this.ctx.lineWidth = 2;
|
|
||||||
this.ctx.globalAlpha = opacity;
|
|
||||||
|
|
||||||
const pulse = (Math.sin((elapsed / 2000) * Math.PI * 2) + 1) / 2;
|
|
||||||
this.ctx.shadowBlur = 4 + pulse * 6;
|
|
||||||
this.ctx.shadowColor = 'rgba(118, 75, 162, 0.5)';
|
|
||||||
|
|
||||||
this.ctx.stroke();
|
|
||||||
});
|
|
||||||
this.ctx.globalAlpha = 1;
|
|
||||||
this.ctx.shadowBlur = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
tryCreateConnections() {
|
|
||||||
for (let i = 0; i < this.dots.length; i++) {
|
|
||||||
for (let j = i + 1; j < this.dots.length; j++) {
|
|
||||||
if (Math.random() < this.config.connectionChance) {
|
|
||||||
const dot1 = this.dots[i];
|
|
||||||
const dot2 = this.dots[j];
|
|
||||||
|
|
||||||
const dx = dot2.x - dot1.x;
|
|
||||||
const dy = dot2.y - dot1.y;
|
|
||||||
const distance = Math.sqrt(dx * dx + dy * dy);
|
|
||||||
|
|
||||||
if (distance < 150 && distance > 30) {
|
|
||||||
const alreadyConnected = this.connections.some(conn =>
|
|
||||||
(conn.dot1 === dot1 && conn.dot2 === dot2) ||
|
|
||||||
(conn.dot1 === dot2 && conn.dot2 === dot1)
|
|
||||||
);
|
|
||||||
if (!alreadyConnected) {
|
|
||||||
this.createConnection(dot1, dot2);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
animate() {
|
|
||||||
this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
|
|
||||||
|
|
||||||
if (!this.prefersReducedMotion) {
|
|
||||||
this.updateDots();
|
|
||||||
this.updateConnections();
|
|
||||||
this.tryCreateConnections();
|
|
||||||
}
|
|
||||||
|
|
||||||
this.drawConnections();
|
|
||||||
this.drawDots();
|
|
||||||
|
|
||||||
this.rafId = requestAnimationFrame(() => this.animate());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
document.addEventListener('DOMContentLoaded', () => {
|
|
||||||
new MatrixBackground();
|
|
||||||
});
|
|
||||||
Reference in new issue
Block a user