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Note: Now that the book is done, I'm not actively working on it.

There are only so many hours in the day, and I have other projects that need my love, including a new book. This means I'm not responding to issues and pull requests here. However, I do intend to circle back and do a second edition at some point, so please do continue to file bugs.

Even though I'm not responding, I do deeply appreciate every issue filed. Thank you!

– bob

This is the source repo for the book Game Programming Patterns.

Building the Book

The book is written in Markdown (in book/). A little Python script (script/format.py) converts that along with a SASS file (asset/style.scss) and HTML template (asset/template.html) to the final HTML (in html/). To run the format script locally, you'll need to have Python 2.7-ish, and install Python Markdown, Pygments, and SmartyPants:

$ pip install markdown
$ pip install pygments
$ pip install smartypants

You may need sudo for those. Once that's done, you can run:

$ python script/format.py

Make sure to run this from the root directory of the repo. That will regenerate all of the chapter and section intro HTML files. If you're editing stuff, the script can also be run in watch mode:

$ python script/format.py --watch

That will monitor the file system for changes to the markdown files, SASS file, or HTML template, and reprocess them as needed.

About

Source repo for the book

gameprogrammingpatterns.com/

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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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Note: Now that the book is done, I'm not actively working on it.
There are only so many hours in the day, and I have other projects that need my
love, including a new book. This means I'm not responding to issues and pull
requests here. However, I do intend to circle back and do a second edition at
some point, so please do continue to file bugs.
Even though I'm not responding, I do deeply appreciate every issue filed.
Thank you!
– bob
This is the source repo for the book Game Programming Patterns.
Building the Book
The book is written in Markdown (in book/). A little Python script (script/format.py) converts that along with a SASS file (asset/style.scss) and HTML template (asset/template.html) to the final HTML (in html/). To run the format script locally, you'll need to have Python 2.7-ish, and install Python Markdown, Pygments, and SmartyPants:
$ pip install markdown
$ pip install pygments
$ pip install smartypants

You may need sudo for those. Once that's done, you can run:
$ python script/format.py

Make sure to run this from the root directory of the repo. That will regenerate all of the chapter and section intro HTML files. If you're editing stuff, the script can also be run in watch mode:
$ python script/format.py --watch

That will monitor the file system for changes to the markdown files, SASS file, or HTML template, and reprocess them as needed.
About
Source repo for the book
gameprogrammingpatterns.com/
Resources
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1 watching
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0 forks
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, '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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watch
Repository files navigation
Note: Now that the book is done, I'm not actively working on it.
There are only so many hours in the day, and I have other projects that need my
love, including a new book. This means I'm not responding to issues and pull
requests here. However, I do intend to circle back and do a second edition at
some point, so please do continue to file bugs.
Even though I'm not responding, I do deeply appreciate every issue filed.
Thank you!
– bob
This is the source repo for the book Game Programming Patterns.
Building the Book
The book is written in Markdown (in book/). A little Python script (script/format.py) converts that along with a SASS file (asset/style.scss) and HTML template (asset/template.html) to the final HTML (in html/). To run the format script locally, you'll need to have Python 2.7-ish, and install Python Markdown, Pygments, and SmartyPants:
$ pip install markdown
$ pip install pygments
$ pip install smartypants

You may need sudo for those. Once that's done, you can run:
$ python script/format.py

Make sure to run this from the root directory of the repo. That will regenerate all of the chapter and section intro HTML files. If you're editing stuff, the script can also be run in watch mode:
$ python script/format.py --watch

That will monitor the file system for changes to the markdown files, SASS file, or HTML template, and reprocess them as needed.
About
Source repo for the book
gameprogrammingpatterns.com/
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
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0 forks
Report repository
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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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Repository files navigation
Note: Now that the book is done, I'm not actively working on it.
There are only so many hours in the day, and I have other projects that need my
love, including a new book. This means I'm not responding to issues and pull
requests here. However, I do intend to circle back and do a second edition at
some point, so please do continue to file bugs.
Even though I'm not responding, I do deeply appreciate every issue filed.
Thank you!
– bob
This is the source repo for the book Game Programming Patterns.
Building the Book
The book is written in Markdown (in book/). A little Python script (script/format.py) converts that along with a SASS file (asset/style.scss) and HTML template (asset/template.html) to the final HTML (in html/). To run the format script locally, you'll need to have Python 2.7-ish, and install Python Markdown, Pygments, and SmartyPants:
$ pip install markdown
$ pip install pygments
$ pip install smartypants

You may need sudo for those. Once that's done, you can run:
$ python script/format.py

Make sure to run this from the root directory of the repo. That will regenerate all of the chapter and section intro HTML files. If you're editing stuff, the script can also be run in watch mode:
$ python script/format.py --watch

That will monitor the file system for changes to the markdown files, SASS file, or HTML template, and reprocess them as needed.
About
Source repo for the book
gameprogrammingpatterns.com/
Resources
Readme
Activity
Stars
0 stars
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1 watching
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0 forks
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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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Repository files navigation
Note: Now that the book is done, I'm not actively working on it.
There are only so many hours in the day, and I have other projects that need my
love, including a new book. This means I'm not responding to issues and pull
requests here. However, I do intend to circle back and do a second edition at
some point, so please do continue to file bugs.
Even though I'm not responding, I do deeply appreciate every issue filed.
Thank you!
– bob
This is the source repo for the book Game Programming Patterns.
Building the Book
The book is written in Markdown (in book/). A little Python script (script/format.py) converts that along with a SASS file (asset/style.scss) and HTML template (asset/template.html) to the final HTML (in html/). To run the format script locally, you'll need to have Python 2.7-ish, and install Python Markdown, Pygments, and SmartyPants:
$ pip install markdown
$ pip install pygments
$ pip install smartypants

You may need sudo for those. Once that's done, you can run:
$ python script/format.py

Make sure to run this from the root directory of the repo. That will regenerate all of the chapter and section intro HTML files. If you're editing stuff, the script can also be run in watch mode:
$ python script/format.py --watch

That will monitor the file system for changes to the markdown files, SASS file, or HTML template, and reprocess them as needed.
About
Source repo for the book
gameprogrammingpatterns.com/
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
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0 forks
Report repository
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, '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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Repository files navigation
Note: Now that the book is done, I'm not actively working on it.
There are only so many hours in the day, and I have other projects that need my
love, including a new book. This means I'm not responding to issues and pull
requests here. However, I do intend to circle back and do a second edition at
some point, so please do continue to file bugs.
Even though I'm not responding, I do deeply appreciate every issue filed.
Thank you!
– bob
This is the source repo for the book Game Programming Patterns.
Building the Book
The book is written in Markdown (in book/). A little Python script (script/format.py) converts that along with a SASS file (asset/style.scss) and HTML template (asset/template.html) to the final HTML (in html/). To run the format script locally, you'll need to have Python 2.7-ish, and install Python Markdown, Pygments, and SmartyPants:
$ pip install markdown
$ pip install pygments
$ pip install smartypants

You may need sudo for those. Once that's done, you can run:
$ python script/format.py

Make sure to run this from the root directory of the repo. That will regenerate all of the chapter and section intro HTML files. If you're editing stuff, the script can also be run in watch mode:
$ python script/format.py --watch

That will monitor the file system for changes to the markdown files, SASS file, or HTML template, and reprocess them as needed.
About
Source repo for the book
gameprogrammingpatterns.com/
Resources
Readme
Activity
Stars
0 stars
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1 watching
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0 forks
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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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Repository files navigation
Note: Now that the book is done, I'm not actively working on it.
There are only so many hours in the day, and I have other projects that need my
love, including a new book. This means I'm not responding to issues and pull
requests here. However, I do intend to circle back and do a second edition at
some point, so please do continue to file bugs.
Even though I'm not responding, I do deeply appreciate every issue filed.
Thank you!
– bob
This is the source repo for the book Game Programming Patterns.
Building the Book
The book is written in Markdown (in book/). A little Python script (script/format.py) converts that along with a SASS file (asset/style.scss) and HTML template (asset/template.html) to the final HTML (in html/). To run the format script locally, you'll need to have Python 2.7-ish, and install Python Markdown, Pygments, and SmartyPants:
$ pip install markdown
$ pip install pygments
$ pip install smartypants

You may need sudo for those. Once that's done, you can run:
$ python script/format.py

Make sure to run this from the root directory of the repo. That will regenerate all of the chapter and section intro HTML files. If you're editing stuff, the script can also be run in watch mode:
$ python script/format.py --watch

That will monitor the file system for changes to the markdown files, SASS file, or HTML template, and reprocess them as needed.
About
Source repo for the book
gameprogrammingpatterns.com/
Resources
Readme
Activity
Stars
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1 watching
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0 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Note: Now that the book is done, I'm not actively working on it.
There are only so many hours in the day, and I have other projects that need my
love, including a new book. This means I'm not responding to issues and pull
requests here. However, I do intend to circle back and do a second edition at
some point, so please do continue to file bugs.
Even though I'm not responding, I do deeply appreciate every issue filed.
Thank you!
– bob
This is the source repo for the book Game Programming Patterns.
Building the Book
The book is written in Markdown (in book/). A little Python script (script/format.py) converts that along with a SASS file (asset/style.scss) and HTML template (asset/template.html) to the final HTML (in html/). To run the format script locally, you'll need to have Python 2.7-ish, and install Python Markdown, Pygments, and SmartyPants:
$ pip install markdown
$ pip install pygments
$ pip install smartypants

You may need sudo for those. Once that's done, you can run:
$ python script/format.py

Make sure to run this from the root directory of the repo. That will regenerate all of the chapter and section intro HTML files. If you're editing stuff, the script can also be run in watch mode:
$ python script/format.py --watch

That will monitor the file system for changes to the markdown files, SASS file, or HTML template, and reprocess them as needed.
About
Source repo for the book
gameprogrammingpatterns.com/
Resources
Readme
Activity
Stars
0 stars
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1 watching
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0 forks
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