Minefun Sky Color Shift

Change sky colors locally (client-side only)

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Minefun Sky Color Shift
// @namespace    https://greasyfork.org
// @version      1.2
// @description  Change sky colors locally (client-side only)
// @match        *://*minefun*/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    // ===== STYLE INJECTION =====
    const style = document.createElement("style");
    style.innerHTML = `
    .sky-filter {
        filter: hue-rotate(0deg) saturate(2) brightness(1.2) !important;
        transition: filter 0.5s linear;
    }

    #skyBtn {
        position: fixed;
        top: 100px;
        right: 20px;
        z-index: 99999;
        padding: 10px 14px;
        background: #111;
        color: white;
        border: 1px solid #444;
        cursor: pointer;
        user-select: none;
        font-family: sans-serif;
    }
    `;
    document.head.appendChild(style);

    // ===== APPLY TO GAME ROOT =====
    function applySky() {
        // Minefun thường dùng body hoặc canvas wrapper
        document.body.classList.add("sky-filter");
    }

    function removeSky() {
        document.body.classList.remove("sky-filter");
    }

    // ===== BUTTON =====
    const btn = document.createElement("div");
    btn.id = "skyBtn";
    btn.innerText = "Sky OFF";
    document.body.appendChild(btn);

    let enabled = false;
    let hue = 0;
    let interval = null;

    const colorsSpeed = 20;

    btn.onclick = () => {
        enabled = !enabled;

        if (enabled) {
            btn.innerText = "Sky ON";

            applySky();

            interval = setInterval(() => {
                hue += 15;
                if (hue > 360) hue = 0;

                document.body.style.filter =
                    `hue-rotate(${hue}deg) saturate(2) brightness(1.3)`;

            }, colorsSpeed);

        } else {
            btn.innerText = "Sky OFF";

            clearInterval(interval);
            removeSky();
            document.body.style.filter = "none";
        }
    };

    // ===== DRAG BUTTON =====
    let drag = false, ox, oy;

    btn.addEventListener("mousedown", (e) => {
        drag = true;
        ox = e.clientX - btn.offsetLeft;
        oy = e.clientY - btn.offsetTop;
    });

    document.addEventListener("mousemove", (e) => {
        if (!drag) return;
        btn.style.left = (e.clientX - ox) + "px";
        btn.style.top = (e.clientY - oy) + "px";
        btn.style.right = "auto";
    });

    document.addEventListener("mouseup", () => drag = false);

})();