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Splatformer Tutorial

by Alex Bezuska

Splat ECS is a free and Open Source game engine project with the goal of making it easy to build games which are native to the web. Splat ECS is JavaScript and all the code you write to create your game is 100% real JavaScript and JSON. This tutorial will guide you through the basics of using Splat ECS and by the end we will have a simple game.

#How to get help

If you found a bug or have a question, please feel free to do any of the following:
  • Contact the author @alexbezuska on twitter
  • Submit a github issue
  • Submit a pull request

#How to contribute

The tutorial is split into many html files located in tutorial/src/ to make it eisier to find what you are looking for and make quick edits to each section.

To start:
  • Fork this project and clone your fork to your local machine
  • Make edits to the appropriate html file located intutorial/src/
To test on your local machine:
  • In your terminal navigate to the root of this project example: cd Splatformer-Tutorial/

  • Use this simple command to create the compiled index.html file:

cat src/*.html > index.html

This command simply smashes all of the html files in tutorial/src/ together into one big file, maintaining the alphabetical other they are in (each file begins with a number).

  • Open the resulting index.html file in your browser and confirm that your changes were made successfully.

  • Submit a pull request and add some notes on the reason for your change.

The tutorial is manual uploaded to http://splatjs.com and I can update it as needed.

About

No description, website, or topics provided.

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2 watching

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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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Splatformer Tutorial

by Alex Bezuska

Splat ECS is a free and Open Source game engine project with the goal of making it easy to build games which are native to the web. Splat ECS is JavaScript and all the code you write to create your game is 100% real JavaScript and JSON. This tutorial will guide you through the basics of using Splat ECS and by the end we will have a simple game.

#How to get help

If you found a bug or have a question, please feel free to do any of the following:
  • Contact the author @alexbezuska on twitter
  • Submit a github issue
  • Submit a pull request

#How to contribute

The tutorial is split into many html files located in tutorial/src/ to make it eisier to find what you are looking for and make quick edits to each section.

To start:
  • Fork this project and clone your fork to your local machine
  • Make edits to the appropriate html file located intutorial/src/
To test on your local machine:
  • In your terminal navigate to the root of this project example: cd Splatformer-Tutorial/

  • Use this simple command to create the compiled index.html file:

cat src/*.html > index.html

This command simply smashes all of the html files in tutorial/src/ together into one big file, maintaining the alphabetical other they are in (each file begins with a number).

  • Open the resulting index.html file in your browser and confirm that your changes were made successfully.

  • Submit a pull request and add some notes on the reason for your change.

The tutorial is manual uploaded to http://splatjs.com and I can update it as needed.

About

No description, website, or topics provided.

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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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This repository was archived by the owner on Mar 16, 2026. It is now read-only.

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Splatformer Tutorial

by Alex Bezuska

Splat ECS is a free and Open Source game engine project with the goal of making it easy to build games which are native to the web. Splat ECS is JavaScript and all the code you write to create your game is 100% real JavaScript and JSON. This tutorial will guide you through the basics of using Splat ECS and by the end we will have a simple game.

#How to get help

If you found a bug or have a question, please feel free to do any of the following:
  • Contact the author @alexbezuska on twitter
  • Submit a github issue
  • Submit a pull request

#How to contribute

The tutorial is split into many html files located in tutorial/src/ to make it eisier to find what you are looking for and make quick edits to each section.

To start:
  • Fork this project and clone your fork to your local machine
  • Make edits to the appropriate html file located intutorial/src/
To test on your local machine:
  • In your terminal navigate to the root of this project example: cd Splatformer-Tutorial/

  • Use this simple command to create the compiled index.html file:

cat src/*.html > index.html

This command simply smashes all of the html files in tutorial/src/ together into one big file, maintaining the alphabetical other they are in (each file begins with a number).

  • Open the resulting index.html file in your browser and confirm that your changes were made successfully.

  • Submit a pull request and add some notes on the reason for your change.

The tutorial is manual uploaded to http://splatjs.com and I can update it as needed.

About

No description, website, or topics provided.

Resources

Stars

0 stars

Watchers

2 watching

Forks

Releases

Packages

Contributors

Languages

, '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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This repository was archived by the owner on Mar 16, 2026. It is now read-only.

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Splatformer Tutorial

by Alex Bezuska

Splat ECS is a free and Open Source game engine project with the goal of making it easy to build games which are native to the web. Splat ECS is JavaScript and all the code you write to create your game is 100% real JavaScript and JSON. This tutorial will guide you through the basics of using Splat ECS and by the end we will have a simple game.

#How to get help

If you found a bug or have a question, please feel free to do any of the following:
  • Contact the author @alexbezuska on twitter
  • Submit a github issue
  • Submit a pull request

#How to contribute

The tutorial is split into many html files located in tutorial/src/ to make it eisier to find what you are looking for and make quick edits to each section.

To start:
  • Fork this project and clone your fork to your local machine
  • Make edits to the appropriate html file located intutorial/src/
To test on your local machine:
  • In your terminal navigate to the root of this project example: cd Splatformer-Tutorial/

  • Use this simple command to create the compiled index.html file:

cat src/*.html > index.html

This command simply smashes all of the html files in tutorial/src/ together into one big file, maintaining the alphabetical other they are in (each file begins with a number).

  • Open the resulting index.html file in your browser and confirm that your changes were made successfully.

  • Submit a pull request and add some notes on the reason for your change.

The tutorial is manual uploaded to http://splatjs.com and I can update it as needed.

About

No description, website, or topics provided.

Resources

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0 stars

Watchers

2 watching

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Languages

, '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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Splatformer Tutorial

by Alex Bezuska

Splat ECS is a free and Open Source game engine project with the goal of making it easy to build games which are native to the web. Splat ECS is JavaScript and all the code you write to create your game is 100% real JavaScript and JSON. This tutorial will guide you through the basics of using Splat ECS and by the end we will have a simple game.

#How to get help

If you found a bug or have a question, please feel free to do any of the following:
  • Contact the author @alexbezuska on twitter
  • Submit a github issue
  • Submit a pull request

#How to contribute

The tutorial is split into many html files located in tutorial/src/ to make it eisier to find what you are looking for and make quick edits to each section.

To start:
  • Fork this project and clone your fork to your local machine
  • Make edits to the appropriate html file located intutorial/src/
To test on your local machine:
  • In your terminal navigate to the root of this project example: cd Splatformer-Tutorial/

  • Use this simple command to create the compiled index.html file:

cat src/*.html > index.html

This command simply smashes all of the html files in tutorial/src/ together into one big file, maintaining the alphabetical other they are in (each file begins with a number).

  • Open the resulting index.html file in your browser and confirm that your changes were made successfully.

  • Submit a pull request and add some notes on the reason for your change.

The tutorial is manual uploaded to http://splatjs.com and I can update it as needed.

About

No description, website, or topics provided.

Resources

Stars

0 stars

Watchers

2 watching

Forks

Releases

Packages

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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This repository was archived by the owner on Mar 16, 2026. It is now read-only.

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60 Commits

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Splatformer Tutorial

by Alex Bezuska

Splat ECS is a free and Open Source game engine project with the goal of making it easy to build games which are native to the web. Splat ECS is JavaScript and all the code you write to create your game is 100% real JavaScript and JSON. This tutorial will guide you through the basics of using Splat ECS and by the end we will have a simple game.

#How to get help

If you found a bug or have a question, please feel free to do any of the following:
  • Contact the author @alexbezuska on twitter
  • Submit a github issue
  • Submit a pull request

#How to contribute

The tutorial is split into many html files located in tutorial/src/ to make it eisier to find what you are looking for and make quick edits to each section.

To start:
  • Fork this project and clone your fork to your local machine
  • Make edits to the appropriate html file located intutorial/src/
To test on your local machine:
  • In your terminal navigate to the root of this project example: cd Splatformer-Tutorial/

  • Use this simple command to create the compiled index.html file:

cat src/*.html > index.html

This command simply smashes all of the html files in tutorial/src/ together into one big file, maintaining the alphabetical other they are in (each file begins with a number).

  • Open the resulting index.html file in your browser and confirm that your changes were made successfully.

  • Submit a pull request and add some notes on the reason for your change.

The tutorial is manual uploaded to http://splatjs.com and I can update it as needed.

About

No description, website, or topics provided.

Resources

Stars

0 stars

Watchers

2 watching

Forks

Releases

Packages

Contributors

Languages

, '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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This repository was archived by the owner on Mar 16, 2026. It is now read-only.

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Splatformer Tutorial

by Alex Bezuska

Splat ECS is a free and Open Source game engine project with the goal of making it easy to build games which are native to the web. Splat ECS is JavaScript and all the code you write to create your game is 100% real JavaScript and JSON. This tutorial will guide you through the basics of using Splat ECS and by the end we will have a simple game.

#How to get help

If you found a bug or have a question, please feel free to do any of the following:
  • Contact the author @alexbezuska on twitter
  • Submit a github issue
  • Submit a pull request

#How to contribute

The tutorial is split into many html files located in tutorial/src/ to make it eisier to find what you are looking for and make quick edits to each section.

To start:
  • Fork this project and clone your fork to your local machine
  • Make edits to the appropriate html file located intutorial/src/
To test on your local machine:
  • In your terminal navigate to the root of this project example: cd Splatformer-Tutorial/

  • Use this simple command to create the compiled index.html file:

cat src/*.html > index.html

This command simply smashes all of the html files in tutorial/src/ together into one big file, maintaining the alphabetical other they are in (each file begins with a number).

  • Open the resulting index.html file in your browser and confirm that your changes were made successfully.

  • Submit a pull request and add some notes on the reason for your change.

The tutorial is manual uploaded to http://splatjs.com and I can update it as needed.

About

No description, website, or topics provided.

Resources

Stars

0 stars

Watchers

2 watching

Forks

Releases

Packages

Contributors

Languages

, '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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Splatformer Tutorial

by Alex Bezuska

Splat ECS is a free and Open Source game engine project with the goal of making it easy to build games which are native to the web. Splat ECS is JavaScript and all the code you write to create your game is 100% real JavaScript and JSON. This tutorial will guide you through the basics of using Splat ECS and by the end we will have a simple game.

#How to get help

If you found a bug or have a question, please feel free to do any of the following:
  • Contact the author @alexbezuska on twitter
  • Submit a github issue
  • Submit a pull request

#How to contribute

The tutorial is split into many html files located in tutorial/src/ to make it eisier to find what you are looking for and make quick edits to each section.

To start:
  • Fork this project and clone your fork to your local machine
  • Make edits to the appropriate html file located intutorial/src/
To test on your local machine:
  • In your terminal navigate to the root of this project example: cd Splatformer-Tutorial/

  • Use this simple command to create the compiled index.html file:

cat src/*.html > index.html

This command simply smashes all of the html files in tutorial/src/ together into one big file, maintaining the alphabetical other they are in (each file begins with a number).

  • Open the resulting index.html file in your browser and confirm that your changes were made successfully.

  • Submit a pull request and add some notes on the reason for your change.

The tutorial is manual uploaded to http://splatjs.com and I can update it as needed.

About

No description, website, or topics provided.

Resources

Stars

0 stars

Watchers

2 watching

Forks

Releases

Packages

Contributors

Languages