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@radum
Forked from OrionReed/dom3d.js
Created April 6, 2024 14:35
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3D DOM viewer, copy-paste this into your console to visualise the DOM topographically.
// 3D Dom viewer, copy-paste this into your console to visualise the DOM as a stack of solid blocks.
// You can also minify and save it as a bookmarklet (https://www.freecodecamp.org/news/what-are-bookmarklets/)
(() => {
const SHOW_SIDES = false; // color sides of DOM nodes?
const COLOR_SURFACE = true; // color tops of DOM nodes?
const COLOR_RANDOM = false; // randomise color?
const COLOR_HUE = 190; // hue in HSL (https://hslpicker.com)
const MAX_ROTATION = 180; // set to 360 to rotate all the way round
const THICKNESS = 20; // thickness of layers
const DISTANCE = 10000; // ¯\\_(ツ)_/¯
function getRandomColor() {
const hue = Math.floor(Math.random() * 360);
const saturation = 50 + Math.floor(Math.random() * 30);
const lightness = 40 + Math.floor(Math.random() * 30);
return `hsl(${hue}, ${saturation}%, ${lightness}%)`;
}
const getDOMDepth = element => [...element.children].reduce((max, child) => Math.max(max, getDOMDepth(child)), 0) + 1;
const domDepthCache = getDOMDepth(document.body);
const getColorByDepth = (depth, hue = 0, lighten = 0) => `hsl(${hue}, 75%, ${Math.min(10 + depth * (1 + 60 / domDepthCache), 90) + lighten}%)`;
// Apply initial styles to the body to enable 3D perspective
const body = document.body;
body.style.overflow = "visible";
body.style.transformStyle = "preserve-3d";
body.style.perspective = DISTANCE;
const perspectiveOriginX = (window.innerWidth / 2);
const perspectiveOriginY = (window.innerHeight / 2);
body.style.perspectiveOrigin = body.style.transformOrigin = `${perspectiveOriginX}px ${perspectiveOriginY}px`;
traverseDOM(body, 0, 0, 0);
document.addEventListener("mousemove", (event) => {
const rotationY = (MAX_ROTATION * (1 - event.clientY / window.innerHeight) - (MAX_ROTATION / 2));
const rotationX = (MAX_ROTATION * event.clientX / window.innerWidth - (MAX_ROTATION / 2));
body.style.transform = `rotateX(${rotationY}deg) rotateY(${rotationX}deg)`;
});
// Create side faces for an element to give it a 3D appearance
function createSideFaces(element, color) {
if (!SHOW_SIDES) { return }
const width = element.offsetWidth;
const height = element.offsetHeight;
const fragment = document.createDocumentFragment();
// Helper function to create and style a face
const createFace = ({ width, height, transform, transformOrigin, top, left, right, bottom }) => {
const face = document.createElement('div');
face.className = 'dom-3d-side-face';
Object.assign(face.style, {
transformStyle: "preserve-3d",
backfaceVisibility: 'hidden',
position: 'absolute',
width: `${width}px`,
height: `${height}px`,
background: color,
transform,
transformOrigin,
overflow: 'hidden',
willChange: 'transform',
top,
left,
right,
bottom
});
fragment.appendChild(face);
}
// Top face
createFace({
width,
height: THICKNESS,
transform: `rotateX(-270deg) translateY(${-THICKNESS}px)`,
transformOrigin: 'top',
top: '0px',
left: '0px',
});
// Right face
createFace({
width: THICKNESS,
height,
transform: 'rotateY(90deg)',
transformOrigin: 'left',
top: '0px',
left: `${width}px`
});
// Bottom face
createFace({
width,
height: THICKNESS,
transform: `rotateX(-90deg) translateY(${THICKNESS}px)`,
transformOrigin: 'bottom',
bottom: '0px',
left: '0px'
});
// Left face
createFace({
width: THICKNESS,
height,
transform: `translateX(${-THICKNESS}px) rotateY(-90deg)`,
transformOrigin: 'right',
top: '0px',
left: '0px'
});
element.appendChild(fragment);
}
// Recursive function to traverse child nodes, apply 3D styles, and create side faces
function traverseDOM(parentNode, depthLevel, offsetX, offsetY) {
for (let children = parentNode.childNodes, childrenCount = children.length, i = 0; i < childrenCount; i++) {
const childNode = children[i];
if (!(1 === childNode.nodeType && !childNode.classList.contains('dom-3d-side-face'))) continue;
const color = COLOR_RANDOM ? getRandomColor() : getColorByDepth(depthLevel, COLOR_HUE, -5);
Object.assign(childNode.style, {
transform: `translateZ(${THICKNESS}px)`,
overflow: "visible",
backfaceVisibility: "hidden",
isolation: "auto",
transformStyle: "preserve-3d",
backgroundColor: COLOR_SURFACE ? color : getComputedStyle(childNode).backgroundColor,
willChange: 'transform',
});
let updatedOffsetX = offsetX;
let updatedOffsetY = offsetY;
if (childNode.offsetParent === parentNode) {
updatedOffsetX += parentNode.offsetLeft;
updatedOffsetY += parentNode.offsetTop;
}
createSideFaces(childNode, color);
traverseDOM(childNode, depthLevel + 1, updatedOffsetX, updatedOffsetY);
}
}
})()
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