resultDiv.innerHTML = html; if (data.rarity === 'legendary') resultDiv.classList.add('legendary-glow'); setTimeout(() => resultDiv.classList.remove('legendary-glow'), 1000);
<script> document.getElementById('openBoxBtn').onclick = async () => const resultDiv = document.getElementById('result'); resultDiv.innerHTML = '<div class="box-loader"></div>';
Overview The Miracle Box Loader dynamically generates randomized reward boxes ("Miracle Boxes") with configurable rarities, drop tables, and optional animations. Supports server-side weight logic and client-side presentation. Core Capabilities | Feature | Description | |---------|-------------| | Weight-based RNG | Define drop rates via integer weights (e.g., common: 700, rare: 200, epic: 90, legendary: 10) | | Pity timer | Guaranteed high-rarity drop after N box opens without one | | Box presets | Predefined templates (e.g., starter_box , weekly_miracle , event_legendary ) | | Duplicate protection | Optional flag to avoid rolling already-owned items (if user inventory known) | | Multi-drop | One box can contain 1–5 random rewards | | Animation + sound cues | CSS/JS visual loader, rarity glow, audio feedback | | Roll history | Store last 10–20 unboxing results per user | Example Drop Table (JSON) "box_id": "miracle_wood", "rarity_weights": "common": 700, "rare": 200, "epic": 80, "legendary": 20 , "items": "common": ["coin_x10", "potion_small", "wood_sword"], "rare": ["coin_x50", "potion_large", "silver_ring"], "epic": ["coin_x200", "crystal_shard", "wind_boots"], "legendary": ["dragon_scale", "phoenix_feather", "eternal_crown"] , "min_items": 1, "max_items": 3, "pity_count": 15 miracle box loader
; </script> "success": true, "box_id": "miracle_wood", "rarity": "epic", "items": ["coin_x200", "crystal_shard"], "pity_remaining": 12
@keyframes pulse 0% transform: scale(0.9); opacity: 0.6; box-shadow: 0 0 0 0 gold; 70% transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 15px rgba(255, 215, 0, 0); 100% transform: scale(0.9); opacity: 0.6; resultDiv
@keyframes legendaryPulse 0% text-shadow: 0 0 0 orange; 100% text-shadow: 0 0 20px red, 0 0 30px gold;
const res = await fetch('/api/open_miracle_box', method: 'POST' ); const data = await res.json(); resultDiv.innerHTML = html
let html = <h2>✨ $data.rarity.toUpperCase() ✨</h2><ul> ; data.items.forEach(item => html += <li>$item</li> ); html += </ul> ;