Initial version of lava lamp generator
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Dan
parent
b27f9cfb39
commit
a05e9bf10b
7 changed files with 1582 additions and 637 deletions
364
static/js/adoptables/lavalamp.js
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364
static/js/adoptables/lavalamp.js
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(function () {
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"use strict";
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const currentScript = document.currentScript;
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if (!currentScript) {
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console.error("Lava Lamp: Could not find current script tag");
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return;
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}
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// Read configuration from data attributes with defaults
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const config = {
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bgColor1: currentScript.dataset["bgColor-1"] || "#F8E45C",
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bgColor2: currentScript.dataset["bgColor-2"] || "#FF7800",
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blobColor1: currentScript.dataset["blobColor-1"] || "#FF4500",
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blobColor2: currentScript.dataset["blobColor-2"] || "#FF6347",
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caseColor: currentScript.dataset.caseColor || "#333333",
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blobCount: parseInt(currentScript.dataset.blobCount) || 6,
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speed: parseFloat(currentScript.dataset.speed) || 1.0,
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blobSize: parseFloat(currentScript.dataset.blobSize) || 1.0,
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pixelate: currentScript.dataset.pixelate === "true" || false,
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pixelSize: parseInt(currentScript.dataset.pixelSize) || 4,
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};
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// Helper function to adjust color brightness
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function adjustBrightness(color, percent) {
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const num = parseInt(color.replace("#", ""), 16);
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const amt = Math.round(2.55 * percent);
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const R = (num >> 16) + amt;
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const G = ((num >> 8) & 0x00ff) + amt;
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const B = (num & 0x0000ff) + amt;
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return (
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"#" +
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(
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0x1000000 +
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(R < 255 ? (R < 1 ? 0 : R) : 255) * 0x10000 +
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(G < 255 ? (G < 1 ? 0 : G) : 255) * 0x100 +
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(B < 255 ? (B < 1 ? 0 : B) : 255)
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)
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.toString(16)
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.slice(1)
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);
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}
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// Create a host element with shadow DOM for isolation
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const host = document.createElement("div");
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host.style.width = "100%";
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host.style.height = "100%";
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host.style.display = "block";
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if (config.pixelate) {
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host.style.overflow = "hidden";
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}
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// Attach shadow DOM
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const shadowRoot = host.attachShadow({ mode: "open" });
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currentScript.parentNode.insertBefore(host, currentScript.nextSibling);
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const gooFilterId = "goo-filter";
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// Inject CSS into shadow DOM
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const style = document.createElement("style");
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style.textContent = `
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.lavalamp-container {
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width: 100%;
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height: 100%;
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display: flex;
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flex-direction: column;
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align-items: center;
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position: relative;
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${config.pixelate ? "filter: url(#pixelate-filter);" : ""}
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}
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.lamp-cap {
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width: 60%;
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height: 8%;
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flex-shrink: 0;
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border-radius: 50% 50% 0 0;
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box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3);
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position: relative;
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z-index: 10;
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}
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.lamp-body {
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position: relative;
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width: 100%;
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flex: 1;
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clip-path: polygon(20% 0, 80% 0, 100% 101%, 0% 101%);
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overflow: hidden;
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}
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.lamp-body::before {
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content: "";
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: linear-gradient(
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90deg,
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transparent 0%,
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rgba(255, 255, 255, 0.15) 20%,
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rgba(255, 255, 255, 0.05) 40%,
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transparent 60%
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);
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pointer-events: none;
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}
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.blobs-container {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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filter: url(#${gooFilterId});
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pointer-events: none;
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z-index: 2;
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}
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.blob {
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position: absolute;
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border-radius: 50%;
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animation: lavalamp-float var(--duration) ease-in-out infinite;
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opacity: 0.95;
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mix-blend-mode: normal;
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z-index: 3;
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}
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.lamp-base {
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width: 100%;
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height: 15%;
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flex-shrink: 0;
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border-radius: 0 0 50% 50%;
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box-shadow:
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inset 0 2px 5px rgba(255, 255, 255, 0.2),
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inset 0 -2px 5px rgba(0, 0, 0, 0.5);
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position: relative;
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display: flex;
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justify-content: center;
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align-items: center;
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}
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@keyframes lavalamp-float {
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0%, 100% {
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transform: translate(var(--start-x), var(--start-y)) scale(1);
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}
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25% {
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transform: translate(var(--mid1-x), var(--mid1-y)) scale(var(--scale1, 1.1));
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}
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50% {
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transform: translate(var(--mid2-x), var(--mid2-y)) scale(var(--scale2, 0.9));
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}
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75% {
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transform: translate(var(--mid3-x), var(--mid3-y)) scale(var(--scale3, 1.05));
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}
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}
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`;
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shadowRoot.appendChild(style);
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// Create the HTML structure
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const container = document.createElement("div");
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container.className = "lavalamp-container";
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// SVG filters for goo effect and pixelation
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const svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
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svg.style.position = "absolute";
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svg.style.width = "0";
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svg.style.height = "0";
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svg.innerHTML = `
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<defs>
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<filter id="${gooFilterId}">
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<feGaussianBlur in="SourceGraphic" stdDeviation="7" result="blur" />
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<feColorMatrix
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in="blur"
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mode="matrix"
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values="
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1 0 0 0 0
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0 1 0 0 0
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0 0 1 0 0
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0 0 0 18 -7"
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result="goo"
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/>
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<feComposite in="SourceGraphic" in2="goo" operator="atop" />
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</filter>
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${
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config.pixelate
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? `
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<filter id="pixelate-filter" x="0%" y="0%" width="100%" height="100%">
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<feFlood x="0" y="0" height="1" width="1"/>
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<feComposite width="${config.pixelSize}" height="${config.pixelSize}"/>
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<feTile result="a"/>
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<feComposite in="SourceGraphic" in2="a" operator="in"/>
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<feMorphology operator="dilate" radius="${Math.floor(config.pixelSize / 2)}"/>
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</filter>
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`
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: ""
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}
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</defs>
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`;
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const lampCap = document.createElement("div");
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lampCap.className = "lamp-cap";
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lampCap.style.background = `linear-gradient(180deg, ${adjustBrightness(config.caseColor, 40)} 0%, ${config.caseColor} 50%, ${adjustBrightness(config.caseColor, -20)} 100%)`;
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const lampBody = document.createElement("div");
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lampBody.className = "lamp-body";
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lampBody.style.background = `linear-gradient(180deg, ${config.bgColor1} 0%, ${config.bgColor2} 100%)`;
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const blobsContainer = document.createElement("div");
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blobsContainer.className = "blobs-container";
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const lampBase = document.createElement("div");
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lampBase.className = "lamp-base";
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lampBase.style.background = `linear-gradient(180deg, ${config.caseColor} 0%, ${adjustBrightness(config.caseColor, -20)} 40%, ${adjustBrightness(config.caseColor, -40)} 100%)`;
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lampBase.style.borderTop = `1px solid ${adjustBrightness(config.bgColor2, -30)}`;
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// Assemble the structure
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lampBody.appendChild(blobsContainer);
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container.appendChild(svg);
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container.appendChild(lampCap);
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container.appendChild(lampBody);
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container.appendChild(lampBase);
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// Append to shadow DOM
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shadowRoot.appendChild(container);
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// Blob creation and animation
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let blobs = [];
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function createBlob() {
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const blob = document.createElement("div");
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blob.className = "blob";
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// Get container dimensions
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const containerWidth = lampBody.offsetWidth;
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const containerHeight = lampBody.offsetHeight;
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// Size relative to container width (25-40% of width)
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const size =
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(Math.random() * 0.15 + 0.25) * containerWidth * config.blobSize;
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const duration = (Math.random() * 8 + 12) / config.speed;
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// Max X position accounting for blob size and container margins
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const maxX = Math.max(0, containerWidth - size);
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const startX = maxX > 0 ? Math.random() * maxX : 0;
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// Create gradient for blob
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const blobGradient = `radial-gradient(circle at 30% 30%, ${config.blobColor1}, ${config.blobColor2})`;
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blob.style.width = `${size}px`;
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blob.style.height = `${size}px`;
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blob.style.left = `${startX}px`;
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blob.style.bottom = "10px";
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blob.style.position = "absolute";
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blob.style.background = blobGradient;
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blob.style.setProperty("--duration", `${duration}s`);
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blob.style.setProperty("--start-x", "0px");
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blob.style.setProperty("--start-y", "0px");
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// Movement waypoints
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blob.style.setProperty(
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"--mid1-x",
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`${(Math.random() * 0.3 - 0.15) * containerWidth}px`,
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);
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blob.style.setProperty(
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"--mid1-y",
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`${-(Math.random() * 0.15 + 0.25) * containerHeight}px`,
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);
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blob.style.setProperty(
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"--mid2-x",
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`${(Math.random() * 0.4 - 0.2) * containerWidth}px`,
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);
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blob.style.setProperty(
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"--mid2-y",
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`${-(Math.random() * 0.2 + 0.5) * containerHeight}px`,
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);
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blob.style.setProperty(
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"--mid3-x",
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`${(Math.random() * 0.3 - 0.15) * containerWidth}px`,
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);
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blob.style.setProperty(
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"--mid3-y",
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`${-(Math.random() * 0.15 + 0.8) * containerHeight}px`,
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);
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// Scale variations
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blob.style.setProperty("--scale1", (Math.random() * 0.3 + 1.0).toFixed(2));
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blob.style.setProperty("--scale2", (Math.random() * 0.3 + 0.85).toFixed(2));
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blob.style.setProperty("--scale3", (Math.random() * 0.3 + 0.95).toFixed(2));
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// Random delay to stagger animations
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blob.style.animationDelay = `${Math.random() * -20}s`;
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return blob;
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}
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function updateBlobCount() {
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while (blobs.length > config.blobCount) {
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const blob = blobs.pop();
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blobsContainer.removeChild(blob);
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}
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while (blobs.length < config.blobCount) {
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const blob = createBlob();
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blobs.push(blob);
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blobsContainer.appendChild(blob);
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}
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}
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// Initialize
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function init() {
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// Wait for container to have dimensions
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// Not sure if this is a great idea, what if this never happens for some reason
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// This is as good as I can come up with right now
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if (lampBody.offsetWidth === 0 || lampBody.offsetHeight === 0) {
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setTimeout(init, 100);
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return;
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}
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// Scale goo filter blur based on container width
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const containerWidth = lampBody.offsetWidth;
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// Apply scaled goo filter
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let blurAmount, alphaMultiplier, alphaBias;
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if (containerWidth < 80) {
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blurAmount = 3;
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alphaMultiplier = 12;
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alphaBias = -5;
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} else {
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blurAmount = Math.max(4, Math.min(7, containerWidth / 20));
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alphaMultiplier = 18;
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alphaBias = -7;
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}
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const gooFilter = svg.querySelector(`#${gooFilterId} feGaussianBlur`);
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if (gooFilter) {
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gooFilter.setAttribute("stdDeviation", blurAmount);
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}
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const colorMatrix = svg.querySelector(`#${gooFilterId} feColorMatrix`);
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if (colorMatrix) {
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colorMatrix.setAttribute(
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"values",
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`
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1 0 0 0 0
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0 1 0 0 0
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0 0 1 0 0
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0 0 0 ${alphaMultiplier} ${alphaBias}
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`,
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);
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}
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updateBlobCount();
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}
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// Start when DOM is ready
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if (document.readyState === "loading") {
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document.addEventListener("DOMContentLoaded", init);
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} else {
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init();
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}
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})();
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