Nitro Type Hard Mode

Full visual chaos + rare system event overlay (cosmetic only)

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

/// ==UserScript==
// @name         Nitro Type Hard Mode
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Full visual chaos + rare system event overlay (cosmetic only)
// @author       surprise
// @match        https://www.nitrotype.com/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    const isRace = window.location.href.includes("/race");

    // ================= STYLE =================
    const style = document.createElement("style");
    style.innerHTML = `
        /* SHAKE */
        @keyframes shake {
            0% { transform: translate(0,0); }
            25% { transform: translate(1px,-1px); }
            50% { transform: translate(-1px,1px); }
            75% { transform: translate(1px,1px); }
            100% { transform: translate(0,0); }
        }

        .shake-mode {
            animation: shake 0.15s infinite;
        }

        /* WORD FLIP */
        .flip-hardmode {
            transform: rotate(180deg) !important;
            display: inline-block !important;
        }

        /* RAIN */
        .rain-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 999998;
            background: repeating-linear-gradient(
                180deg,
                rgba(255,255,255,0.04),
                rgba(255,255,255,0.04) 2px,
                transparent 2px,
                transparent 6px
            );
            animation: rainMove 0.25s linear infinite;
        }

        @keyframes rainMove {
            from { transform: translateY(0); }
            to { transform: translateY(20px); }
        }

        /* DOOM OVERLAY */
        .doom-overlay {
            position: fixed;
            top: 12%;
            left: 50%;
            transform: translateX(-50%);
            z-index: 999999;
            pointer-events: none;
            font-family: monospace;
            text-align: center;
            color: rgba(255, 60, 60, 0.95);
            text-shadow: 0 0 12px rgba(255,0,0,0.6);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .doom-overlay.show {
            opacity: 1;
        }

        .doom-box {
            border: 2px solid rgba(255, 60, 60, 0.85);
            padding: 16px 26px;
            background: rgba(0, 0, 0, 0.78);
            border-radius: 10px;
            min-width: 340px;
        }

        .doom-title {
            font-size: 18px;
            letter-spacing: 2px;
            margin-bottom: 8px;
        }

        .doom-sub {
            font-size: 12px;
            opacity: 0.75;
            margin-bottom: 10px;
        }

        .doom-bar {
            height: 6px;
            background: rgba(255, 0, 0, 0.2);
            margin: 6px 0;
            position: relative;
            overflow: hidden;
        }

        .doom-bar::after {
            content: "";
            position: absolute;
            width: 40%;
            height: 100%;
            background: rgba(255, 0, 0, 0.85);
            animation: moveBar 1s infinite alternate;
        }

        @keyframes moveBar {
            from { left: 0; }
            to { left: 60%; }
        }

        .doom-warning {
            font-size: 13px;
            margin-top: 10px;
            letter-spacing: 1px;
        }
    `;
    document.head.appendChild(style);

    // ================= RAIN =================
    const rain = document.createElement("div");
    rain.className = "rain-overlay";
    document.body.appendChild(rain);

    // ================= SHAKE =================
    setInterval(() => {
        document.body.classList.toggle("shake-mode");
    }, 700);

    // ================= HUE SHIFT =================
    setInterval(() => {
        document.body.style.filter = `hue-rotate(${Math.random() * 360}deg)`;
        setTimeout(() => document.body.style.filter = "", 500);
    }, 3000);

    // ================= EMOJIS =================
    function spawnEmoji() {
        const emojis = ["💀", "⚡", "🔥", "🚗", "😵", "🏁", "💨"];
        const el = document.createElement("div");

        el.textContent = emojis[Math.floor(Math.random() * emojis.length)];
        el.style.position = "fixed";
        el.style.left = Math.random() * window.innerWidth + "px";
        el.style.top = Math.random() * window.innerHeight + "px";
        el.style.fontSize = "28px";
        el.style.zIndex = "999999";
        el.style.pointerEvents = "none";
        el.style.opacity = "0.85";

        document.body.appendChild(el);
        setTimeout(() => el.remove(), 1500);
    }

    setInterval(spawnEmoji, 2000);

    // ================= WORD FLIP (25%) =================
    function getWords() {
        return document.querySelectorAll('[class*="word"], [class*="Word"], span');
    }

    function maybeFlipWords() {
        if (!isRace) return;

        const words = getWords();
        if (!words.length) return;

        if (Math.random() < 0.25) {
            words.forEach(w => w.classList.add("flip-hardmode"));

            setTimeout(() => {
                words.forEach(w => w.classList.remove("flip-hardmode"));
            }, 900 + Math.random() * 1000);
        }
    }

    setInterval(maybeFlipWords, 2500);

    // ================= DOOM EVENT (RARE) =================
    const doom = document.createElement("div");
    doom.className = "doom-overlay";
    doom.innerHTML = `
        <div class="doom-box">
            <div class="doom-title">SYSTEM EVENT</div>
            <div class="doom-sub">UNSTABLE RACE ENVIRONMENT DETECTED</div>

            <div class="doom-bar"></div>
            <div class="doom-bar"></div>
            <div class="doom-bar"></div>

            <div class="doom-warning">>> HARD MODE ACTIVE <<</div>
        </div>
    `;
    document.body.appendChild(doom);

    function triggerDoom() {
        if (!isRace) return;

        // rare scare moment
        if (Math.random() < 0.06) { // ~6% chance
            doom.classList.add("show");

            setTimeout(() => {
                doom.classList.remove("show");
            }, 3000 + Math.random() * 2000);
        }
    }

    setInterval(triggerDoom, 5000);

})();