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WaterCycle

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Pp commited on Apr 1

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-<!doctype html>
-<html>
-	<head>
-		<meta charset="utf-8" />
-		<meta name="viewport" content="width=device-width" />
-		<title>My static Space</title>
-		<link rel="stylesheet" href="style.css" />
-	</head>
-	<body>
-		<div class="card">
-			<h1>Welcome to your static Space!</h1>
-			<p>You can modify this app directly by editing <i>index.html</i> in the Files and versions tab.</p>
-			<p>
-				Also don't forget to check the
-				<a href="https://huggingface.co/docs/hub/spaces" target="_blank">Spaces documentation</a>.
-			</p>
-		</div>
-	</body>
 </html>

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Interactive Water Cycle!</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/tone/14.8.49/Tone.min.js"></script>
+    <script type="module" src="https://unpkg.com/lucide@latest"></script>
+    <style>
+        /* Use Inter font */
+        body {
+            font-family: 'Inter', sans-serif;
+            overscroll-behavior: none; /* Prevent pull-to-refresh */
+            background: linear-gradient(to bottom, #87CEEB 0%, #ADD8E6 100%); /* Sky gradient */
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            min-height: 100vh;
+            overflow: hidden; /* Hide overflow to prevent scrollbars from animations */
+        }
+        /* Scene container */
+        .scene {
+            position: relative;
+            width: 90vw;
+            max-width: 800px;
+            height: 500px; /* Fixed height for scene elements */
+            background: linear-gradient(to bottom, #ADD8E6 0%, #F0F8FF 60%, #90EE90 60%, #3CB371 100%); /* Sky/Land gradient */
+            border-radius: 1rem;
+            overflow: hidden;
+            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
+            cursor: default; /* Default cursor for the scene */
+        }
+        /* Sun element */
+        .sun {
+            position: absolute;
+            top: 30px;
+            left: 50px;
+            width: 80px;
+            height: 80px;
+            background-color: #FFD700; /* Gold */
+            border-radius: 50%;
+            box-shadow: 0 0 20px #FFD700;
+            cursor: pointer;
+            transition: transform 0.3s ease, box-shadow 0.3s ease;
+            z-index: 10;
+        }
+        .sun:hover {
+            transform: scale(1.1);
+            box-shadow: 0 0 30px #FFA500; /* Orange glow */
+        }
+        /* Ocean element */
+        .ocean {
+            position: absolute;
+            bottom: 0;
+            left: 0;
+            width: 60%;
+            height: 100px; /* Approx 20% of scene height */
+            background: linear-gradient(to bottom, #1E90FF, #00008B); /* Blue gradient */
+            border-top-left-radius: 50% 20px; /* Wavy top */
+            border-top-right-radius: 50% 20px;
+            cursor: pointer;
+            z-index: 5;
+        }
+         .ocean:hover .wave { /* Subtle wave animation on hover */
+            transform: scaleY(1.1);
+         }
+        /* Simple wave effect */
+        .wave {
+            position: absolute;
+            top: -5px;
+            left: 0;
+            width: 100%;
+            height: 10px;
+            background: rgba(255, 255, 255, 0.3);
+            border-radius: 50%;
+            transform-origin: bottom;
+            transition: transform 0.5s ease-in-out;
+        }
+        /* Land element */
+        .land {
+            position: absolute;
+            bottom: 0;
+            right: 0;
+            width: 40%;
+            height: 200px; /* Taller than ocean */
+            background: #8FBC8F; /* Dark Sea Green */
+            border-top-left-radius: 30% 50px;
+            z-index: 1;
+        }
+        /* Tree element */
+        .tree {
+            position: absolute;
+            bottom: 100px; /* Base on the land */
+            right: 100px;
+            cursor: pointer;
+            z-index: 6;
+        }
+        .trunk {
+            width: 15px;
+            height: 50px;
+            background-color: #8B4513; /* Saddle Brown */
+            margin: 0 auto;
+        }
+        .leaves {
+            width: 50px;
+            height: 50px;
+            background-color: #228B22; /* Forest Green */
+            border-radius: 50%;
+            position: relative;
+            bottom: 10px; /* Overlap trunk slightly */
+            transition: transform 0.3s ease;
+        }
+        .tree:hover .leaves {
+             transform: scale(1.1);
+        }
+        /* Cloud element */
+        .cloud {
+            position: absolute;
+            top: 60px;
+            width: 100px;
+            height: 40px;
+            background-color: white;
+            border-radius: 50px;
+            opacity: 0.8;
+            transition: background-color 1s ease, transform 0.5s ease, opacity 1s ease;
+            cursor: pointer;
+            z-index: 15;
+            filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
+        }
+        .cloud::before, .cloud::after { /* Cloud puffs */
+            content: '';
+            position: absolute;
+            background-color: white;
+            border-radius: 50%;
+            width: 50px;
+            height: 50px;
+            top: -20px;
+            transition: background-color 1s ease;
+        }
+        .cloud::before { left: 15px; }
+        .cloud::after { right: 15px; top: -15px; width: 60px; height: 45px;}
+        .cloud.condensing {
+            background-color: #D3D3D3; /* Light grey */
+        }
+         .cloud.condensing::before, .cloud.condensing::after {
+             background-color: #D3D3D3;
+         }
+        .cloud.ready {
+            background-color: #778899; /* Light Slate Gray */
+            transform: scale(1.1);
+             opacity: 1;
+        }
+         .cloud.ready::before, .cloud.ready::after {
+             background-color: #778899;
+         }
+         .cloud.ready:hover {
+             background-color: #708090; /* Slate Gray */
+         }
+         .cloud.ready:hover::before, .cloud.ready:hover::after {
+             background-color: #708090;
+         }
+        /* Evaporation animation */
+        @keyframes evaporate {
+            0% { transform: translateY(0) scale(1); opacity: 0.6; }
+            100% { transform: translateY(-100px) scale(0.5); opacity: 0; }
+        }
+        .vapor {
+            position: absolute;
+            width: 5px;
+            height: 20px;
+            background: linear-gradient(to top, rgba(255,255,255,0.1), rgba(255,255,255,0.6));
+            border-radius: 50%;
+            animation: evaporate 2s ease-out infinite;
+            opacity: 0; /* Start hidden */
+            pointer-events: none; /* Don't interfere with clicks */
+            z-index: 7;
+        }
+        /* Precipitation animation */
+        @keyframes fall {
+            0% { transform: translateY(0); opacity: 1; }
+            100% { transform: translateY(150px); opacity: 0; } /* Fall towards ocean/land */
+        }
+        .raindrop {
+            position: absolute;
+            width: 3px;
+            height: 10px;
+            background: linear-gradient(to bottom, rgba(173, 216, 230, 0.1), rgba(70, 130, 180, 1)); /* Light to Steel Blue */
+            border-radius: 50%;
+            animation: fall 1s linear infinite;
+            opacity: 0; /* Start hidden */
+            pointer-events: none;
+            z-index: 14;
+        }
+        /* Info text */
+        #info-text {
+            position: absolute;
+            bottom: 10px;
+            left: 50%;
+            transform: translateX(-50%);
+            background-color: rgba(0, 0, 0, 0.6);
+            color: white;
+            padding: 8px 15px;
+            border-radius: 20px;
+            font-size: 0.9rem;
+            z-index: 20;
+            text-align: center;
+            opacity: 0;
+            transition: opacity 0.5s ease;
+            pointer-events: none; /* Don't block clicks */
+        }
+        #info-text.visible {
+            opacity: 1;
+        }
+        /* Control buttons */
+        .controls {
+            position: absolute;
+            top: 10px;
+            right: 10px;
+            display: flex;
+            gap: 10px;
+            z-index: 25;
+        }
+        .control-btn {
+            background-color: rgba(255, 255, 255, 0.8);
+            border: none;
+            border-radius: 50%;
+            padding: 8px;
+            cursor: pointer;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+            transition: background-color 0.2s ease, transform 0.2s ease;
+        }
+         .control-btn:hover {
+             background-color: white;
+             transform: scale(1.1);
+         }
+         .control-btn svg {
+             width: 20px;
+             height: 20px;
+             stroke: #333;
+         }
+    </style>
+</head>
+<body>
+    <div class="scene">
+        <div id="sun" class="sun" title="Click the Sun to start Evaporation"></div>
+        <div id="ocean" class="ocean" title="Click the Ocean for Evaporation">
+            <div class="wave"></div>
+            </div>
+        <div class="land"></div>
+        <div id="tree" class="tree" title="Click the Tree for Transpiration">
+             <div class="leaves"></div>
+             <div class="trunk"></div>
+             </div>
+        <div id="cloud-container"></div>
+        <div id="rain-container"></div>
+        <div id="info-text">Water Cycle Stage</div>
+        <div class="controls">
+             <button id="sound-toggle" class="control-btn" title="Toggle Sound">
+                 <i data-lucide="volume-2"></i> </button>
+             <button id="share-twitter" class="control-btn" title="Share on Twitter">
+                 <i data-lucide="twitter"></i>
+             </button>
+        </div>
+    </div>
+    <script>
+        // --- DOM Elements ---
+        const sun = document.getElementById('sun');
+        const ocean = document.getElementById('ocean');
+        const tree = document.getElementById('tree');
+        const cloudContainer = document.getElementById('cloud-container');
+        const rainContainer = document.getElementById('rain-container');
+        const infoText = document.getElementById('info-text');
+        const soundToggleButton = document.getElementById('sound-toggle');
+        const shareTwitterButton = document.getElementById('share-twitter');
+        const scene = document.querySelector('.scene'); // Get scene dimensions
+        // --- State Variables ---
+        let evaporationRate = 0; // How much water vapor is generated
+        let condensationLevel = 0; // How much vapor is in clouds
+        let clouds = []; // Array to hold cloud elements
+        let isRaining = false;
+        let soundEnabled = true;
+        let rainSynth; // Tone.js synth for rain sound
+        // --- Sound Setup (Tone.js) ---
+        function setupSound() {
+            // Simple rain sound using noise synth
+            rainSynth = new Tone.NoiseSynth({
+                noise: { type: 'pink' },
+                envelope: { attack: 0.1, decay: 0.1, sustain: 0.5, release: 0.2 }
+            }).toDestination();
+            // Adjust volume
+             rainSynth.volume.value = -20; // Quieter volume in dB
+        }
+        function playRainSound() {
+            if (soundEnabled && rainSynth && !rainSynth.triggered) {
+                 // Start the noise envelope - simulates continuous rain drops
+                 rainSynth.triggerAttack();
+                 // We need to manually stop it when rain stops
+            }
+        }
+        function stopRainSound() {
+             if (rainSynth && rainSynth.signal.value > 0) { // Check if it's playing
+                 rainSynth.triggerRelease();
+             }
+        }
+        // Initialize sound on first interaction (required by browsers)
+        document.body.addEventListener('click', () => {
+            if (Tone.context.state !== 'running') {
+                Tone.start();
+                console.log('AudioContext started');
+            }
+            if (!rainSynth) {
+                setupSound(); // Setup synth after user interaction
+            }
+        }, { once: true }); // Run only once
+        // --- Helper Functions ---
+        function showInfo(text, duration = 3000) {
+            infoText.textContent = text;
+            infoText.classList.add('visible');
+            setTimeout(() => {
+                infoText.classList.remove('visible');
+            }, duration);
+        }
+        function getRandomPosition(containerWidth, containerHeight, elementWidth, elementHeight) {
+            const x = Math.random() * (containerWidth - elementWidth);
+            const y = Math.random() * (containerHeight - elementHeight);
+            return { x, y };
+        }
+        // --- Simulation Logic ---
+        // 1. Evaporation / Transpiration
+        function triggerEvaporation(sourceElement, intensity = 1) {
+            if (isRaining) return; // Don't evaporate while raining
+            showInfo('Evaporation: Water turns into vapor and rises!');
+            evaporationRate += intensity;
+            // Create vapor particles rising from the source
+            const sourceRect = sourceElement.getBoundingClientRect();
+            const sceneRect = scene.getBoundingClientRect(); // Use scene for positioning
+            const startX = sourceRect.left - sceneRect.left + (sourceRect.width / 2);
+            let startY = sourceRect.top - sceneRect.top + 5; // Start slightly above surface
+             // Adjust startY for tree transpiration to come from leaves
+             if (sourceElement.id === 'tree') {
+                 const leaves = sourceElement.querySelector('.leaves');
+                 const leavesRect = leaves.getBoundingClientRect();
+                 startY = leavesRect.top - sceneRect.top;
+             }
+            for (let i = 0; i < intensity * 2; i++) {
+                const vapor = document.createElement('div');
+                vapor.classList.add('vapor');
+                vapor.style.left = `${startX + (Math.random() * 40 - 20)}px`; // Spread horizontally
+                vapor.style.top = `${startY}px`;
+                vapor.style.animationDelay = `${Math.random() * 0.5}s`; // Stagger animation
+                scene.appendChild(vapor);
+                // Remove vapor after animation ends
+                vapor.addEventListener('animationiteration', () => {
+                    vapor.remove();
+                }, { once: true });
+            }
+            // Increase condensation level (with a cap)
+            condensationLevel = Math.min(condensationLevel + intensity, 100); // Cap at 100
+            updateClouds();
+        }
+        // 2. Condensation (Updating Clouds)
+        function updateClouds() {
+            // Create initial clouds if none exist
+            if (clouds.length === 0 && condensationLevel > 5) {
+                createCloud();
+                createCloud(); // Start with a couple
+            }
+            // Update existing clouds based on condensation level
+            clouds.forEach(cloud => {
+                const cloudElement = document.getElementById(cloud.id);
+                if (!cloudElement) return; // Skip if somehow removed
+                if (condensationLevel > 70 && !cloudElement.classList.contains('ready')) {
+                    cloudElement.classList.remove('condensing');
+                    cloudElement.classList.add('ready');
+                    cloudElement.title = "Click the Cloud to make it Rain!";
+                } else if (condensationLevel > 30 && !cloudElement.classList.contains('condensing') && !cloudElement.classList.contains('ready')) {
+                     cloudElement.classList.add('condensing');
+                     cloudElement.title = "Cloud is forming...";
+                } else if (condensationLevel <= 30) {
+                     cloudElement.classList.remove('condensing', 'ready');
+                     cloudElement.title = "Just a little cloud";
+                }
+            });
+        }
+        function createCloud() {
+            const cloudId = `cloud-${Date.now()}-${Math.random()}`;
+            const cloudElement = document.createElement('div');
+            cloudElement.id = cloudId;
+            cloudElement.classList.add('cloud');
+            cloudElement.title = "Just a little cloud";
+            // Position randomly in the upper part of the scene
+            const sceneWidth = scene.offsetWidth;
+            const cloudWidth = 100;
+            const cloudHeight = 40; // Base height
+            const maxCloudY = 150; // Don't go too low initially
+            const { x, y } = getRandomPosition(sceneWidth, maxCloudY, cloudWidth, cloudHeight);
+            cloudElement.style.left = `${x}px`;
+            cloudElement.style.top = `${y + 20}px`; // Add offset from top
+            cloudElement.addEventListener('click', () => triggerPrecipitation(cloudElement));
+            cloudContainer.appendChild(cloudElement);
+            clouds.push({ id: cloudId, element: cloudElement });
+            updateClouds(); // Apply initial state based on condensationLevel
+        }
+        // 3. Precipitation
+        function triggerPrecipitation(cloudElement) {
+            if (!cloudElement.classList.contains('ready') || isRaining) {
+                showInfo(cloudElement.classList.contains('ready') ? 'It\'s already raining!' : 'Cloud isn\'t full enough for rain yet!');
+                return;
+            }
+            showInfo('Precipitation: Water falls back to Earth as rain!');
+            isRaining = true;
+            playRainSound(); // Start rain sound
+            // Make it rain from under the cloud
+            const cloudRect = cloudElement.getBoundingClientRect();
+            const sceneRect = scene.getBoundingClientRect();
+            const startX = cloudRect.left - sceneRect.left;
+            const startY = cloudRect.bottom - sceneRect.top - 10; // Start below cloud puffs
+            const cloudWidth = cloudRect.width;
+            const rainDuration = 3000; // Rain for 3 seconds
+            const intervalId = setInterval(() => {
+                for (let i = 0; i < 5; i++) { // Number of drops per interval
+                    const drop = document.createElement('div');
+                    drop.classList.add('raindrop');
+                    drop.style.left = `${startX + Math.random() * cloudWidth}px`;
+                    drop.style.top = `${startY + Math.random() * 10}px`; // Slight vertical spread
+                     drop.style.animationDuration = `${0.5 + Math.random() * 0.5}s`; // Vary fall speed
+                    rainContainer.appendChild(drop);
+                    // Remove drop after animation
+                    drop.addEventListener('animationiteration', () => {
+                        drop.remove();
+                    }, { once: true });
+                }
+            }, 100); // Create drops every 100ms
+            // Stop raining after duration
+            setTimeout(() => {
+                clearInterval(intervalId);
+                isRaining = false;
+                stopRainSound(); // Stop rain sound
+                condensationLevel = 0; // Reset condensation
+                evaporationRate = 0; // Reset evaporation
+                updateClouds(); // Reset cloud appearance
+                 // Optionally remove clouds or make them fade
+                 cloudElement.classList.remove('ready', 'condensing');
+                 cloudElement.title = "Just a little cloud";
+                 showInfo('Collection: Water gathers in oceans and lakes.');
+            }, rainDuration);
+        }
+        // --- Event Listeners ---
+        sun.addEventListener('click', () => triggerEvaporation(ocean, 5)); // More intense from sun
+        ocean.addEventListener('click', () => triggerEvaporation(ocean, 2));
+        tree.addEventListener('click', () => triggerEvaporation(tree, 1)); // Transpiration is less intense
+        // Sound Toggle Button
+        soundToggleButton.addEventListener('click', () => {
+            soundEnabled = !soundEnabled;
+            const icon = soundToggleButton.querySelector('i');
+            if (soundEnabled) {
+                icon.setAttribute('data-lucide', 'volume-2');
+                showInfo('Sound On', 1000);
+                 // If it was raining and sound was off, start sound now
+                 if (isRaining && !rainSynth.triggered) playRainSound();
+            } else {
+                icon.setAttribute('data-lucide', 'volume-x');
+                showInfo('Sound Off', 1000);
+                stopRainSound(); // Stop sound immediately if disabled
+            }
+             // Re-render the icon using Lucide's library function
+             lucide.createIcons();
+        });
+        // Twitter Share Button
+        shareTwitterButton.addEventListener('click', () => {
+            const text = encodeURIComponent("Look! I made it rain 🌧️ exploring the water cycle with this cool simulation! #WaterCycle #ScienceForKids #EdTech");
+            // Get current URL - replace with actual deployed URL if needed
+            const url = encodeURIComponent(window.location.href || "https://your-deployed-space-url.com"); // Replace placeholder
+            window.open(`https://twitter.com/intent/tweet?text=${text}&url=${url}`, '_blank');
+        });
+        // --- Initial Setup ---
+        // Create a couple of initial placeholder clouds (optional)
+        // createCloud();
+        // createCloud();
+        showInfo("Click the Sun, Ocean, or Tree to start the water cycle!", 5000);
+        // Ensure Lucide icons render initially
+        lucide.createIcons();
+    </script>
+</body>
 </html>