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electric_potential
electric_vector
electric_vector
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genreadme.py

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Fields

Experimenting with simulating fields.

After recently learning about WebGL from this guide, I got my own basic 3D rendering working, logging my progress in this repository.

To experiment a bit further with the graphics library, and with some of my maths and physics, this repository contains some experiments with simulating different types of fields.

Controls

In both simulations, your mouse is used to place charges - move and click. In the 3D simulation, you can pan with right click and hold.

Links to all Works-In-Progress

These are different developments made on the above demos. The controls for each are roughly the same as those described above.

https://joeiddon.github.io/fields/electric_potential/contours/direct_from_potential/index.html

https://joeiddon.github.io/fields/electric_potential/contours/implict_plot/index.html

https://joeiddon.github.io/fields/electric_potential/index.html

https://joeiddon.github.io/fields/electric_potential/normal_lines/index.html

https://joeiddon.github.io/fields/electric_potential/points/index.html

https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/index.html

https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/unfinished_shading/index.html

https://joeiddon.github.io/fields/electric_potential/shells/index.html

https://joeiddon.github.io/fields/electric_potential/test_charge_placer/index.html

https://joeiddon.github.io/fields/electric_vector/index.html

https://joeiddon.github.io/fields/electric_vector/one_charge/fast/index.html

https://joeiddon.github.io/fields/electric_vector/one_charge/index.html

About

Simulations of scalar and vector fields using WebGL.

joeiddon.github.io/fields

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Readme
Activity

Stars

5 stars

Watchers

2 watching

Forks

1 fork
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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genreadme.py
Repository files navigation
Fields
Experimenting with simulating fields.
After recently learning about WebGL from this
guide, I got my own basic 3D rendering working,
logging my progress in this repository.
To experiment a bit further with the graphics library, and with some of my
maths and physics, this repository contains some experiments with simulating
different types of fields.
Controls
In both simulations, your mouse is used to place charges - move and click.
In the 3D simulation, you can pan with right click and hold.
Links to all Works-In-Progress
These are different developments made on the above demos. The controls for
each are roughly the same as those described above.
https://joeiddon.github.io/fields/electric_potential/contours/direct_from_potential/index.html
https://joeiddon.github.io/fields/electric_potential/contours/implict_plot/index.html
https://joeiddon.github.io/fields/electric_potential/index.html
https://joeiddon.github.io/fields/electric_potential/normal_lines/index.html
https://joeiddon.github.io/fields/electric_potential/points/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/unfinished_shading/index.html
https://joeiddon.github.io/fields/electric_potential/shells/index.html
https://joeiddon.github.io/fields/electric_potential/test_charge_placer/index.html
https://joeiddon.github.io/fields/electric_vector/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/fast/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/index.html
About
Simulations of scalar and vector fields using WebGL.
joeiddon.github.io/fields
Resources
Readme
Activity
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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electric_potential
electric_potential
electric_vector
electric_vector
README.md
README.md
genreadme.py
genreadme.py
Repository files navigation
Fields
Experimenting with simulating fields.
After recently learning about WebGL from this
guide, I got my own basic 3D rendering working,
logging my progress in this repository.
To experiment a bit further with the graphics library, and with some of my
maths and physics, this repository contains some experiments with simulating
different types of fields.
Controls
In both simulations, your mouse is used to place charges - move and click.
In the 3D simulation, you can pan with right click and hold.
Links to all Works-In-Progress
These are different developments made on the above demos. The controls for
each are roughly the same as those described above.
https://joeiddon.github.io/fields/electric_potential/contours/direct_from_potential/index.html
https://joeiddon.github.io/fields/electric_potential/contours/implict_plot/index.html
https://joeiddon.github.io/fields/electric_potential/index.html
https://joeiddon.github.io/fields/electric_potential/normal_lines/index.html
https://joeiddon.github.io/fields/electric_potential/points/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/unfinished_shading/index.html
https://joeiddon.github.io/fields/electric_potential/shells/index.html
https://joeiddon.github.io/fields/electric_potential/test_charge_placer/index.html
https://joeiddon.github.io/fields/electric_vector/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/fast/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/index.html
About
Simulations of scalar and vector fields using WebGL.
joeiddon.github.io/fields
Resources
Readme
Activity
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
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Used by
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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electric_vector
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README.md
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genreadme.py
Repository files navigation
Fields
Experimenting with simulating fields.
After recently learning about WebGL from this
guide, I got my own basic 3D rendering working,
logging my progress in this repository.
To experiment a bit further with the graphics library, and with some of my
maths and physics, this repository contains some experiments with simulating
different types of fields.
Controls
In both simulations, your mouse is used to place charges - move and click.
In the 3D simulation, you can pan with right click and hold.
Links to all Works-In-Progress
These are different developments made on the above demos. The controls for
each are roughly the same as those described above.
https://joeiddon.github.io/fields/electric_potential/contours/direct_from_potential/index.html
https://joeiddon.github.io/fields/electric_potential/contours/implict_plot/index.html
https://joeiddon.github.io/fields/electric_potential/index.html
https://joeiddon.github.io/fields/electric_potential/normal_lines/index.html
https://joeiddon.github.io/fields/electric_potential/points/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/unfinished_shading/index.html
https://joeiddon.github.io/fields/electric_potential/shells/index.html
https://joeiddon.github.io/fields/electric_potential/test_charge_placer/index.html
https://joeiddon.github.io/fields/electric_vector/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/fast/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/index.html
About
Simulations of scalar and vector fields using WebGL.
joeiddon.github.io/fields
Resources
Readme
Activity
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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electric_potential
electric_potential
electric_vector
electric_vector
README.md
README.md
genreadme.py
genreadme.py
Repository files navigation
Fields
Experimenting with simulating fields.
After recently learning about WebGL from this
guide, I got my own basic 3D rendering working,
logging my progress in this repository.
To experiment a bit further with the graphics library, and with some of my
maths and physics, this repository contains some experiments with simulating
different types of fields.
Controls
In both simulations, your mouse is used to place charges - move and click.
In the 3D simulation, you can pan with right click and hold.
Links to all Works-In-Progress
These are different developments made on the above demos. The controls for
each are roughly the same as those described above.
https://joeiddon.github.io/fields/electric_potential/contours/direct_from_potential/index.html
https://joeiddon.github.io/fields/electric_potential/contours/implict_plot/index.html
https://joeiddon.github.io/fields/electric_potential/index.html
https://joeiddon.github.io/fields/electric_potential/normal_lines/index.html
https://joeiddon.github.io/fields/electric_potential/points/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/unfinished_shading/index.html
https://joeiddon.github.io/fields/electric_potential/shells/index.html
https://joeiddon.github.io/fields/electric_potential/test_charge_placer/index.html
https://joeiddon.github.io/fields/electric_vector/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/fast/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/index.html
About
Simulations of scalar and vector fields using WebGL.
joeiddon.github.io/fields
Resources
Readme
Activity
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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electric_potential
electric_potential
electric_vector
electric_vector
README.md
README.md
genreadme.py
genreadme.py
Repository files navigation
Fields
Experimenting with simulating fields.
After recently learning about WebGL from this
guide, I got my own basic 3D rendering working,
logging my progress in this repository.
To experiment a bit further with the graphics library, and with some of my
maths and physics, this repository contains some experiments with simulating
different types of fields.
Controls
In both simulations, your mouse is used to place charges - move and click.
In the 3D simulation, you can pan with right click and hold.
Links to all Works-In-Progress
These are different developments made on the above demos. The controls for
each are roughly the same as those described above.
https://joeiddon.github.io/fields/electric_potential/contours/direct_from_potential/index.html
https://joeiddon.github.io/fields/electric_potential/contours/implict_plot/index.html
https://joeiddon.github.io/fields/electric_potential/index.html
https://joeiddon.github.io/fields/electric_potential/normal_lines/index.html
https://joeiddon.github.io/fields/electric_potential/points/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/unfinished_shading/index.html
https://joeiddon.github.io/fields/electric_potential/shells/index.html
https://joeiddon.github.io/fields/electric_potential/test_charge_placer/index.html
https://joeiddon.github.io/fields/electric_vector/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/fast/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/index.html
About
Simulations of scalar and vector fields using WebGL.
joeiddon.github.io/fields
Resources
Readme
Activity
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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electric_potential
electric_potential
electric_vector
electric_vector
README.md
README.md
genreadme.py
genreadme.py
Repository files navigation
Fields
Experimenting with simulating fields.
After recently learning about WebGL from this
guide, I got my own basic 3D rendering working,
logging my progress in this repository.
To experiment a bit further with the graphics library, and with some of my
maths and physics, this repository contains some experiments with simulating
different types of fields.
Controls
In both simulations, your mouse is used to place charges - move and click.
In the 3D simulation, you can pan with right click and hold.
Links to all Works-In-Progress
These are different developments made on the above demos. The controls for
each are roughly the same as those described above.
https://joeiddon.github.io/fields/electric_potential/contours/direct_from_potential/index.html
https://joeiddon.github.io/fields/electric_potential/contours/implict_plot/index.html
https://joeiddon.github.io/fields/electric_potential/index.html
https://joeiddon.github.io/fields/electric_potential/normal_lines/index.html
https://joeiddon.github.io/fields/electric_potential/points/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/unfinished_shading/index.html
https://joeiddon.github.io/fields/electric_potential/shells/index.html
https://joeiddon.github.io/fields/electric_potential/test_charge_placer/index.html
https://joeiddon.github.io/fields/electric_vector/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/fast/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/index.html
About
Simulations of scalar and vector fields using WebGL.
joeiddon.github.io/fields
Resources
Readme
Activity
Stars
5 stars
Watchers
2 watching
Forks
1 fork
Report repository
Releases
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Used by
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, 'i');
if (__m === '*' || __re.test(location.href)) {
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Fields
Experimenting with simulating fields.
After recently learning about WebGL from this
guide, I got my own basic 3D rendering working,
logging my progress in this repository.
To experiment a bit further with the graphics library, and with some of my
maths and physics, this repository contains some experiments with simulating
different types of fields.
Controls
In both simulations, your mouse is used to place charges - move and click.
In the 3D simulation, you can pan with right click and hold.
Links to all Works-In-Progress
These are different developments made on the above demos. The controls for
each are roughly the same as those described above.
https://joeiddon.github.io/fields/electric_potential/contours/direct_from_potential/index.html
https://joeiddon.github.io/fields/electric_potential/contours/implict_plot/index.html
https://joeiddon.github.io/fields/electric_potential/index.html
https://joeiddon.github.io/fields/electric_potential/normal_lines/index.html
https://joeiddon.github.io/fields/electric_potential/points/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/index.html
https://joeiddon.github.io/fields/electric_potential/shells/cubes_demo/unfinished_shading/index.html
https://joeiddon.github.io/fields/electric_potential/shells/index.html
https://joeiddon.github.io/fields/electric_potential/test_charge_placer/index.html
https://joeiddon.github.io/fields/electric_vector/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/fast/index.html
https://joeiddon.github.io/fields/electric_vector/one_charge/index.html
About
Simulations of scalar and vector fields using WebGL.
joeiddon.github.io/fields
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