Minefun Ultimate Weather FX

Real Rain + Thunder + Lava Sky

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 or Violentmonkey 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 Ultimate Weather FX
// @namespace    http://tampermonkey.net/
// @version      5.0
// @description  Real Rain + Thunder + Lava Sky
// @author       You
// @match        *://minefun.io/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    // =========================
    // CANVAS
    // =========================
    const canvas = document.createElement("canvas");
    const ctx = canvas.getContext("2d");

    canvas.style.position = "fixed";
    canvas.style.top = "0";
    canvas.style.left = "0";
    canvas.style.width = "100%";
    canvas.style.height = "100%";
    canvas.style.pointerEvents = "none";
    canvas.style.zIndex = "999999";

    document.body.appendChild(canvas);

    function resize() {
        canvas.width = innerWidth;
        canvas.height = innerHeight;
    }

    resize();

    addEventListener("resize", resize);

    // =========================
    // STATES
    // =========================
    let rainEnabled = false;
    let lavaEnabled = false;
    let lightningEnabled = false;

    // =========================
    // DARK SKY
    // =========================
    const darkOverlay =
        document.createElement("div");

    darkOverlay.style.position = "fixed";
    darkOverlay.style.top = "0";
    darkOverlay.style.left = "0";
    darkOverlay.style.width = "100%";
    darkOverlay.style.height = "100%";
    darkOverlay.style.pointerEvents = "none";
    darkOverlay.style.zIndex = "999998";
    darkOverlay.style.transition = "0.5s";
    darkOverlay.style.background =
        "transparent";

    document.body.appendChild(darkOverlay);

    // =========================
    // RAIN
    // =========================
    const rain = [];

    for (let i = 0; i < 450; i++) {

        rain.push({
            x: Math.random() * innerWidth,
            y: Math.random() * innerHeight,
            speed: 16 + Math.random() * 8
        });
    }

    // =========================
    // LAVA PARTICLES
    // =========================
    const lava = [];

    for (let i = 0; i < 90; i++) {

        lava.push({
            x: Math.random() * innerWidth,
            y: Math.random() * innerHeight,
            r: 2 + Math.random() * 4,
            speed: 0.6 + Math.random() * 1.2,
            alpha: 0.2 + Math.random() * 0.4
        });
    }

    // =========================
    // LIGHTNING
    // =========================
    let bolts = [];

    function createBolt() {

        const startX =
            Math.random() * canvas.width;

        const points = [];

        let x = startX;
        let y = 0;

        points.push({ x, y });

        while (y < canvas.height * 0.9) {

            x +=
                (Math.random() - 0.5) * 45;

            y +=
                Math.random() * 40;

            points.push({ x, y });
        }

        bolts.push({
            points,
            alpha: 1
        });
    }

    // =========================
    // SOUNDS
    // =========================
    const rainAudio = new Audio(
        "https://cdn.pixabay.com/download/audio/2022/03/15/audio_c8d1d6d95f.mp3?filename=rain-ambient-110397.mp3"
    );

    rainAudio.loop = true;
    rainAudio.volume = 0.25;

    const thunderAudio = new Audio(
        "https://cdn.pixabay.com/download/audio/2022/03/15/audio_4d7f4e3130.mp3?filename=thunder-103602.mp3"
    );

    thunderAudio.volume = 0.45;

    // unlock browser audio
    document.addEventListener("click", () => {

        rainAudio.play()
            .then(() => rainAudio.pause())
            .catch(() => {});

    }, { once: true });

    // =========================
    // THUNDER TIMER
    // =========================
    setInterval(() => {

        if (!lightningEnabled) return;

        createBolt();

        thunderAudio.currentTime = 0;

        thunderAudio.play()
            .catch(() => {});

    }, 1500);

    // =========================
    // DRAW
    // =========================
    function draw() {

        ctx.clearRect(
            0,
            0,
            canvas.width,
            canvas.height
        );

        // =====================
        // LAVA SKY
        // =====================
        if (lavaEnabled) {

            // glow nền nhẹ
            ctx.fillStyle =
                "rgba(255,120,0,0.05)";

            ctx.fillRect(
                0,
                0,
                canvas.width,
                canvas.height
            );

            // hạt lava bay
            for (const l of lava) {

                ctx.beginPath();

                ctx.fillStyle =
                    `rgba(255,${80 + Math.random() * 120},0,${l.alpha})`;

                ctx.shadowBlur = 12;
                ctx.shadowColor = "orange";

                ctx.arc(
                    l.x,
                    l.y,
                    l.r,
                    0,
                    Math.PI * 2
                );

                ctx.fill();

                ctx.shadowBlur = 0;

                l.y += l.speed;

                if (l.y > canvas.height) {

                    l.y = -10;

                    l.x =
                        Math.random() *
                        canvas.width;
                }
            }
        }

        // =====================
        // RAIN
        // =====================
        if (rainEnabled) {

            ctx.strokeStyle =
                "rgba(180,200,255,0.78)";

            ctx.lineWidth = 1.4;

            for (const r of rain) {

                ctx.beginPath();

                ctx.moveTo(r.x, r.y);

                ctx.lineTo(
                    r.x - 3,
                    r.y + 18
                );

                ctx.stroke();

                r.y += r.speed;

                if (r.y > canvas.height) {

                    r.y = -20;

                    r.x =
                        Math.random() *
                        canvas.width;
                }
            }
        }

        // =====================
        // LIGHTNING
        // =====================
        for (
            let i = bolts.length - 1;
            i >= 0;
            i--
        ) {

            const bolt = bolts[i];

            ctx.beginPath();

            ctx.strokeStyle =
                `rgba(255,255,255,${bolt.alpha})`;

            ctx.shadowBlur = 18;
            ctx.shadowColor = "white";

            ctx.lineWidth = 3;

            const pts = bolt.points;

            ctx.moveTo(
                pts[0].x,
                pts[0].y
            );

            for (
                let p = 1;
                p < pts.length;
                p++
            ) {

                ctx.lineTo(
                    pts[p].x,
                    pts[p].y
                );
            }

            ctx.stroke();

            ctx.shadowBlur = 0;

            bolt.alpha -= 0.08;

            if (bolt.alpha <= 0) {

                bolts.splice(i, 1);
            }
        }

        requestAnimationFrame(draw);
    }

    draw();

    // =========================
    // UI
    // =========================
    const panel =
        document.createElement("div");

    panel.style.position = "fixed";
    panel.style.top = "12px";
    panel.style.left = "12px";

    panel.style.zIndex = "1000000";

    panel.style.display = "flex";
    panel.style.gap = "4px";

    panel.style.background =
        "rgba(0,0,0,0.25)";

    panel.style.backdropFilter =
        "blur(4px)";

    panel.style.padding = "4px";

    panel.style.borderRadius = "999px";

    panel.style.userSelect = "none";

    document.body.appendChild(panel);

    function makeBtn(text, color) {

        const b =
            document.createElement("button");

        b.textContent = text;

        b.style.width = "30px";
        b.style.height = "30px";

        b.style.border = "none";

        b.style.borderRadius = "50%";

        b.style.background = color;

        b.style.color = "white";

        b.style.fontSize = "11px";

        b.style.cursor = "pointer";

        b.style.opacity = "0.45";

        return b;
    }

    const rainBtn =
        makeBtn("🌧", "#3498db");

    const lavaBtn =
        makeBtn("🔥", "#ff6600");

    const lightBtn =
        makeBtn("⚡", "#cccccc");

    panel.appendChild(rainBtn);
    panel.appendChild(lavaBtn);
    panel.appendChild(lightBtn);

    // =========================
    // BUTTON EVENTS
    // =========================

    rainBtn.onclick = () => {

        rainEnabled =
            !rainEnabled;

        rainBtn.style.opacity =
            rainEnabled ? "1" : "0.45";

        if (rainEnabled) {

            darkOverlay.style.background =
                "rgba(0,0,0,0.18)";

            rainAudio.play()
                .catch(() => {});

        } else {

            rainAudio.pause();

            darkOverlay.style.background =
                "transparent";
        }
    };

    lavaBtn.onclick = () => {

        lavaEnabled =
            !lavaEnabled;

        lavaBtn.style.opacity =
            lavaEnabled ? "1" : "0.45";
    };

    lightBtn.onclick = () => {

        lightningEnabled =
            !lightningEnabled;

        lightBtn.style.opacity =
            lightningEnabled
                ? "1"
                : "0.45";
    };

    // =========================
    // DRAG UI
    // =========================
    let dragging = false;

    let offsetX = 0;
    let offsetY = 0;

    panel.addEventListener(
        "mousedown",
        (e) => {

            dragging = true;

            offsetX =
                e.clientX -
                panel.offsetLeft;

            offsetY =
                e.clientY -
                panel.offsetTop;
        }
    );

    document.addEventListener(
        "mouseup",
        () => {

            dragging = false;
        }
    );

    document.addEventListener(
        "mousemove",
        (e) => {

            if (!dragging) return;

            panel.style.left =
                (e.clientX - offsetX) +
                "px";

            panel.style.top =
                (e.clientY - offsetY) +
                "px";
        }
    );

})();