index.html

<!DOCTYPE html>
<html lang="zh-TW">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>全螢幕煙火按鈕</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <style>
        /* 煙火粒子樣式 */
        .firework-particle {
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            pointer-events: none;
            animation: fadeOut 1s forwards;
        }
        
        /* 煙火爆炸動畫 */
        @keyframes fadeOut {
            0% {
                opacity: 1;
                transform: scale(1);
            }
            100% {
                opacity: 0;
                transform: scale(0.5);
            }
        }
        
        /* 按鈕懸浮效果 */
        .magic-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 215, 0, 0.3);
        }
        
        .magic-button:active {
            transform: translateY(1px);
        }
        
        /* 按鈕閃爍效果 */
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.7);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(255, 215, 0, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 215, 0, 0);
            }
        }
        
        .pulse {
            animation: pulse 2s infinite;
        }
    </style>
</head>
<body class="bg-gray-900 min-h-screen flex items-center justify-center p-4">
    <div class="text-center">
        <h1 class="text-4xl font-bold text-yellow-400 mb-8">煙火慶典</h1>
        <p class="text-gray-300 mb-12 max-w-md mx-auto">按下下方按鈕，觸發全螢幕煙火秀！</p>
        
        <button id="fireworkButton" class="magic-button pulse relative overflow-hidden bg-gradient-to-r from-yellow-500 to-orange-500 text-white font-bold py-4 px-8 rounded-full text-lg shadow-lg transition-all duration-300 transform hover:scale-105">
            <span class="relative z-10">點燃煙火 🎆</span>
            <span class="absolute inset-0 bg-white opacity-0 group-hover:opacity-10 transition-opacity duration-300"></span>
        </button>
        
        <div class="mt-8 text-gray-400 text-sm">
            <p>可以多次點擊按鈕創造更多煙火效果</p>
        </div>
    </div>

    <script>
        document.getElementById('fireworkButton').addEventListener('click', function(e) {
            // 按鈕點擊效果
            this.classList.add('animate-ping');
            setTimeout(() => {
                this.classList.remove('animate-ping');
            }, 300);
            
            // 從按鈕位置發射煙火到隨機高處位置
            const startX = window.innerWidth / 2;
            const startY = window.innerHeight;
            const endX = startX + (Math.random() * 400 - 200);
            const endY = Math.random() * window.innerHeight * 0.3;
            
            createLaunchTrail(startX, startY, endX, endY);
            
            // 隨機發射更多煙火
            for(let i = 0; i < 2; i++) {
                setTimeout(() => {
                    const startX = window.innerWidth / 2 + (Math.random() * 100 - 50);
                    const startY = window.innerHeight;
                    const endX = startX + (Math.random() * 400 - 200);
                    const endY = Math.random() * window.innerHeight * 0.3;
                    createLaunchTrail(startX, startY, endX, endY);
                }, Math.random() * 500);
            }
        });
        
        function createFirework(x, y) {
            // 創建爆炸中心
            const explosion = document.createElement('div');
            explosion.style.left = x + 'px';
            explosion.style.top = y + 'px';
            explosion.style.position = 'fixed';
            explosion.style.width = '10px';
            explosion.style.height = '10px';
            explosion.style.borderRadius = '50%';
            explosion.style.backgroundColor = getRandomColor();
            explosion.style.transform = 'scale(0)';
            explosion.style.transition = 'transform 0.5s ease-out';
            document.body.appendChild(explosion);
            
            // 觸發爆炸動畫
            setTimeout(() => {
                explosion.style.transform = 'scale(1)';
                explosion.style.opacity = '0';
                
                // 創建粒子
                createParticles(x, y);
                
                // 移除爆炸中心
                setTimeout(() => {
                    explosion.remove();
                }, 500);
            }, 10);
        }
        
        function createLaunchTrail(startX, startY, endX, endY) {
            const trail = document.createElement('div');
            trail.style.position = 'fixed';
            trail.style.left = startX + 'px';
            trail.style.top = startY + 'px';
            trail.style.width = '4px';
            trail.style.height = '4px';
            trail.style.borderRadius = '50%';
            trail.style.backgroundColor = '#FFD700';
            trail.style.boxShadow = '0 0 6px 2px rgba(255, 215, 0, 0.7)';
            document.body.appendChild(trail);

            const duration = 1500;
            const startTime = Date.now();

            const animateTrail = () => {
                const elapsed = Date.now() - startTime;
                const progress = Math.min(elapsed / duration, 1);
                
                const currentX = startX + (endX - startX) * progress;
                const currentY = startY + (endY - startY) * progress;
                
                trail.style.left = currentX + 'px';
                trail.style.top = currentY + 'px';
                
                if (progress < 1) {
                    requestAnimationFrame(animateTrail);
                } else {
                    trail.remove();
                    createParticles(endX, endY);
                }
            };

            requestAnimationFrame(animateTrail);
        }

        function createParticles(x, y) {
            const particleCount = 100; // 增加粒子數量讓爆炸更密集
            
            for(let i = 0; i < particleCount; i++) {
                const particle = document.createElement('div');
                particle.className = 'firework-particle';
                particle.style.backgroundColor = getRandomColor();
                
                // 設置初始位置
                particle.style.left = x + 'px';
                particle.style.top = y + 'px';
                
                // 真正的球形爆炸效果
                const angle = Math.random() * Math.PI * 2;
                // 使用平方根讓粒子分布更均勻
                const radius = Math.sqrt(Math.random()) * (100 + Math.random() * 200); // Random radius between 100-300
                const speed = 0.5 + Math.random() * 2;
                
                // 初始位置在圓周上
                const initialX = Math.cos(angle) * radius;
                const initialY = Math.sin(angle) * radius;
                
                const velocity = {
                    x: Math.cos(angle) * speed,
                    y: Math.sin(angle) * speed
                };
                
                // 設置初始位置在圓周上
                // Start particles small and grow them
                const size = 2 + Math.random() * 10; // Slightly larger random particle size
                particle.style.width = '0px';
                particle.style.height = '0px';
                particle.style.left = x + 'px';
                particle.style.top = y + 'px';
                particle.style.opacity = '0';
                particle.style.transition = 'all 0.3s ease-out';
                
                // Stagger the appearance of particles
                setTimeout(() => {
                    particle.style.left = (x + initialX) + 'px';
                    particle.style.top = (y + initialY) + 'px';
                    particle.style.width = size + 'px';
                    particle.style.height = size + 'px';
                    particle.style.opacity = '1';
                }, Math.random() * 300);
                
                // Random animation duration
                const duration = 1.5 + Math.random() * 1.5;
                particle.style.animationDuration = duration + 's';
                
                document.body.appendChild(particle);
                
                // 粒子移動動畫
                let posX = x + initialX;
                let posY = y + initialY;
                let opacity = 1;
                let scale = 1;
                
                const animateParticle = () => {
                    posX += velocity.x;
                    // 增加空氣阻力和重力效果
                    // 更自然的阻力效果
                    velocity.x *= 0.95;
                    velocity.y *= 0.95;
                    velocity.y += 0.05; // 較小的重力
                    opacity -= 0.015;
                    scale -= 0.005;
                    
                    particle.style.left = posX + 'px';
                    particle.style.top = posY + 'px';
                    particle.style.opacity = opacity;
                    particle.style.transform = `scale(${scale})`;
                    
                    if(opacity > 0) {
                        requestAnimationFrame(animateParticle);
                    } else {
                        particle.remove();
                    }
                };
                
                requestAnimationFrame(animateParticle);
            }
        }
        
        function getRandomColor() {
            const colors = [
                '#FF5252', '#FF4081', '#E040FB', '#7C4DFF', 
                '#536DFE', '#448AFF', '#40C4FF', '#18FFFF', 
                '#64FFDA', '#69F0AE', '#B2FF59', '#EEFF41', 
                '#FFFF00', '#FFD740', '#FFAB40', '#FF6E40'
            ];
            return colors[Math.floor(Math.random() * colors.length)];
        }
    </script>
<p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - 🧬 <a href="https://enzostvs-deepsite.hf.space?remix=BHW/firework" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
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