Rotates each letter on the page randomly from 0 to 360 degrees to reset passive reading habits by forcing attention
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// ==UserScript==
// @name Rotate Letters Script
// @namespace https://mordenstar.com
// @version 1.0
// @description Rotates each letter on the page randomly from 0 to 360 degrees to reset passive reading habits by forcing attention
// @author Shaun Pedicini
// @homepageURL https://mordenstar.com
// @match *://*/*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
function processTextNode(textNode) {
const parentNode = textNode.parentNode;
if (!parentNode) {
return;
}
const text = textNode.textContent || '';
const fragment = document.createDocumentFragment();
for (const char of text) {
if (/[A-Za-z]/.test(char)) {
const span = document.createElement('span');
span.textContent = char;
// span.style.display = 'inline-block'; // Necessary for transform to work correctly
// span.style.transform = `rotate(${sign * rotation}deg)`;
// span.style.transition = 'transform 5.0s';
const rotation = Math.floor(Math.random() * 25); // Random angle between 0 and 25
const sign = Math.random() > 0.5 ? -1 : 1;
const finalRotation = sign * rotation;
span.style.display = 'inline-block'; // Necessary for transform to work correctly
span.style.transform = `rotate(0deg)`; // Start from 0 degrees
span.style.transition = 'transform 7.0s';
span.style.transitionDelay = '1s'; // Delay animation by 1 second
fragment.appendChild(span);
// Use requestAnimationFrame to ensure the browser has rendered the initial state
requestAnimationFrame(() => {
span.style.transform = `rotate(${finalRotation}deg)`; // Rotate to final angle
});
} else {
fragment.appendChild(document.createTextNode(char));
}
}
parentNode.replaceChild(fragment, textNode);
}
function processNode(node) {
if (node.nodeType === Node.TEXT_NODE) {
processTextNode(node);
} else if (node.nodeType === Node.ELEMENT_NODE) {
const element = node;
// Skip script, style, textarea, and input elements
if (['SCRIPT', 'STYLE', 'TEXTAREA', 'INPUT', 'CODE', 'PRE'].includes(element.tagName)) {
return;
}
// Process child nodes
for (const child of Array.from(node.childNodes)) {
processNode(child);
}
}
}
// Start processing from the body element
if (document.body) {
processNode(document.body);
} else {
window.addEventListener('DOMContentLoaded', () => {
if (document.body) {
processNode(document.body);
}
});
}
})();