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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<title>Strikemap</title>
<link href="https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Barlow+Condensed:wght@300;400;600;700;900&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"/>
<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
<style>
:root {
--bg:#080c10; --surface:#0d1318; --surface2:#111820; --border:#1e2d38;
--yellow:#f5c842; --orange:#f08030; --red:#e03030; --old:#4a7aaa;
--cyan:#30c8e0; --text:#c8dce8; --dim:#5a7a8a;
--mono:'Share Tech Mono',monospace; --cond:'Barlow Condensed',sans-serif;
--hdr:50px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--cond);}
header{
height:var(--hdr);display:flex;align-items:center;justify-content:space-between;
padding:0 16px;border-bottom:1px solid var(--border);background:var(--surface);
position:relative;z-index:200;
}
.logo{font-weight:900;font-size:20px;letter-spacing:4px;color:var(--yellow);text-shadow:0 0 14px rgba(245,200,66,.35);}
.logo span{color:var(--cyan);}
.nav{display:flex;gap:3px;}
.nav-btn{
font-family:var(--cond);font-weight:700;font-size:11px;letter-spacing:1.5px;
padding:5px 10px;border:1px solid var(--border);background:transparent;
color:var(--dim);cursor:pointer;transition:all .15s;text-transform:uppercase;
}
.nav-btn.active{background:var(--yellow);color:var(--bg);border-color:var(--yellow);}
.live-badge{font-family:var(--mono);font-size:10px;color:var(--dim);display:flex;align-items:center;gap:5px;}
.live-dot{width:6px;height:6px;border-radius:50%;background:var(--yellow);animation:blink 1.5s ease-in-out infinite;}
@keyframes blink{0%,100%{opacity:1;box-shadow:0 0 6px var(--yellow)}50%{opacity:.3;box-shadow:none}}
.screen{display:none;}
.screen.active{display:flex;flex-direction:column;}
#screen-record,#screen-trends,#screen-map{height:calc(100vh - var(--hdr));}
/* RECORD */
#screen-record{overflow-y:auto;padding:16px 14px;gap:14px;}
.sec-label{font-family:var(--mono);font-size:9px;letter-spacing:3px;text-transform:uppercase;color:var(--dim);margin-bottom:4px;}
.compass-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;}
.compass-ring-btn{position:relative;width:150px;height:150px;background:none;border:none;cursor:pointer;padding:0;}
.compass-ring-btn svg{width:100%;height:100%;}
.compass-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;pointer-events:none;}
.compass-deg{font-family:var(--mono);font-size:24px;color:var(--yellow);line-height:1;}
.compass-card{font-family:var(--cond);font-weight:700;font-size:15px;color:var(--cyan);letter-spacing:2px;}
.couch-toggle{
width:100%;padding:10px 14px;display:flex;align-items:center;justify-content:space-between;
background:var(--surface2);border:1px solid var(--border);cursor:pointer;transition:all .15s;
}
.couch-toggle.active{border-color:var(--cyan);background:rgba(48,200,224,.06);}
.couch-label-txt{font-family:var(--cond);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--dim);}
.couch-toggle.active .couch-label-txt{color:var(--cyan);}
.couch-sub{font-family:var(--mono);font-size:9px;color:var(--dim);letter-spacing:1px;margin-top:2px;}
.couch-toggle.active .couch-sub{color:rgba(48,200,224,.6);}
.couch-pip{width:32px;height:18px;border-radius:9px;border:1.5px solid var(--border);background:var(--bg);position:relative;transition:all .2s;flex-shrink:0;}
.couch-toggle.active .couch-pip{border-color:var(--cyan);background:rgba(48,200,224,.15);}
.couch-pip::after{content:'';position:absolute;top:2px;left:2px;width:12px;height:12px;border-radius:50%;background:var(--dim);transition:all .2s;}
.couch-toggle.active .couch-pip::after{transform:translateX(14px);background:var(--cyan);}
.couch-status-label{
font-family:var(--mono);font-size:11px;letter-spacing:3px;text-align:center;
color:var(--cyan);padding:8px 0;text-transform:uppercase;
border:1px solid rgba(48,200,224,.2);background:rgba(48,200,224,.04);
}
.big-btn{width:100%;padding:16px 12px;cursor:pointer;font-family:var(--cond);font-weight:900;font-size:16px;letter-spacing:3px;text-transform:uppercase;border:2px solid;transition:all .15s;}
.big-btn .sub{display:block;font-size:10px;font-weight:400;letter-spacing:2px;margin-top:3px;opacity:.5;}
.btn-flash{background:linear-gradient(135deg,#2a1a00,#140f00);border-color:var(--yellow);color:var(--yellow);}
.btn-flash:active{transform:scale(.97);box-shadow:0 0 60px rgba(245,200,66,.5);}
.btn-thunder{background:linear-gradient(135deg,#001a2a,#000d18);border-color:var(--dim);color:var(--dim);}
.btn-thunder.armed{border-color:var(--orange);color:var(--orange);background:linear-gradient(135deg,#1a0d00,#0d0800);animation:arm .8s ease-in-out infinite;}
@keyframes arm{0%,100%{box-shadow:0 0 8px rgba(240,128,48,.2)}50%{box-shadow:0 0 24px rgba(240,128,48,.5)}}
.calc-box{background:var(--surface2);border:1px solid var(--border);padding:12px 14px;}
.calc-timer{font-family:var(--mono);font-size:32px;color:var(--orange);text-align:center;padding:4px 0;letter-spacing:2px;}
.calc-row{display:flex;justify-content:space-between;align-items:baseline;margin-top:5px;}
.calc-key{font-family:var(--mono);font-size:9px;color:var(--dim);letter-spacing:1px;}
.calc-val{font-family:var(--mono);font-size:15px;color:var(--yellow);}
.calc-val.cy{color:var(--cyan);}
.calc-val.dm{color:var(--dim);font-size:12px;}
/* TRENDS */
#screen-trends{overflow-y:auto;padding:14px 12px;gap:12px;}
.trend-box{background:var(--surface2);border:1px solid var(--border);padding:10px 12px;flex-shrink:0;}
.trend-bars{display:flex;align-items:flex-end;gap:3px;height:48px;margin:6px 0 4px;}
.trend-bar-col{flex:1;border-radius:1px;min-height:3px;}
.trend-status{font-family:var(--cond);font-weight:700;font-size:12px;letter-spacing:2px;}
.approaching{color:var(--red);}
.receding{color:#30a860;}
.log-header{display:flex;justify-content:space-between;align-items:center;flex-shrink:0;}
.log-count{font-family:var(--mono);font-size:10px;color:var(--cyan);}
.clear-all-btn{
font-family:var(--mono);font-size:9px;color:var(--red);background:none;
border:1px solid rgba(224,48,48,.3);padding:3px 9px;cursor:pointer;
letter-spacing:1px;transition:all .15s;
}
.clear-all-btn:hover{border-color:var(--red);background:rgba(224,48,48,.08);}
.strike-log{display:flex;flex-direction:column;gap:5px;}
.s-entry{
border-left:3px solid;padding:8px 10px;background:var(--surface2);
display:grid;grid-template-columns:1fr auto auto;gap:4px;align-items:center;
animation:slidein .25s ease;
}
@keyframes slidein{from{opacity:0;transform:translateX(10px)}to{opacity:1;transform:none}}
.s-entry.recent{border-color:var(--yellow);}
.s-entry.mid{border-color:var(--orange);}
.s-entry.old{border-color:var(--old);}
.s-dist{font-family:var(--mono);font-size:14px;line-height:1;}
.s-dist.recent{color:var(--yellow);}
.s-dist.mid{color:var(--orange);}
.s-dist.old{color:var(--dim);}
.s-meta{font-family:var(--mono);font-size:9px;color:var(--dim);letter-spacing:1px;margin-top:2px;}
.s-bearing{font-family:var(--mono);font-size:17px;text-align:right;}
.s-bearing.recent{color:var(--cyan);}
.s-bearing.mid{color:var(--orange);}
.s-bearing.old{color:var(--dim);}
.s-time{font-family:var(--mono);font-size:9px;color:var(--dim);text-align:right;}
.s-delete{
background:none;border:none;cursor:pointer;
font-family:var(--mono);font-size:13px;color:var(--dim);
padding:4px 6px;line-height:1;transition:color .15s;align-self:center;
}
.s-delete:hover{color:var(--red);}
/* MAP */
#screen-map{position:relative;}
.map-controls{
height:40px;display:flex;align-items:center;gap:6px;padding:0 12px;
border-bottom:1px solid var(--border);background:var(--surface);z-index:100;flex-shrink:0;
}
.mc-btn{font-family:var(--mono);font-size:9px;letter-spacing:1px;padding:4px 10px;border:1px solid var(--border);background:transparent;color:var(--dim);cursor:pointer;transition:all .15s;text-transform:uppercase;}
.mc-btn.active,.mc-btn:hover{border-color:var(--cyan);color:var(--cyan);}
.mc-sep{width:1px;height:16px;background:var(--border);}
.mc-label{font-family:var(--mono);font-size:9px;color:var(--dim);letter-spacing:1px;}
.map-wrap{position:relative;flex:1;overflow:hidden;}
.map-strip{
height:52px;display:flex;align-items:center;gap:14px;padding:0 12px;
border-top:1px solid var(--border);background:var(--surface);z-index:100;flex-shrink:0;overflow:hidden;
}
.ms{display:flex;flex-direction:column;gap:1px;}
.ms-key{font-family:var(--mono);font-size:8px;color:var(--dim);letter-spacing:2px;text-transform:uppercase;}
.ms-val{font-family:var(--mono);font-size:13px;color:var(--yellow);}
.ms-val.cy{color:var(--cyan);}
.ms-val.rd{color:var(--red);}
.ms-val.gn{color:#30a860;}
.approach-alert{margin-left:auto;background:rgba(224,48,48,.12);border:1px solid var(--red);padding:4px 10px;display:flex;align-items:center;gap:6px;flex-shrink:0;}
.alert-icon{animation:blink 1s ease-in-out infinite;}
.alert-txt{font-family:var(--cond);font-weight:700;font-size:12px;letter-spacing:2px;color:var(--red);text-transform:uppercase;}
.map-legend{
position:absolute;bottom:60px;right:12px;
background:rgba(8,12,16,.92);border:1px solid var(--border);
z-index:50;backdrop-filter:blur(4px);
}
.legend-toggle-btn{
font-family:var(--mono);font-size:9px;color:var(--dim);letter-spacing:2px;
padding:6px 10px;cursor:pointer;display:flex;align-items:center;gap:5px;
text-transform:uppercase;white-space:nowrap;background:none;border:none;width:100%;
}
.legend-toggle-btn:hover{color:var(--cyan);}
.legend-body{display:flex;flex-direction:column;gap:5px;padding:0 10px 8px;}
.legend-body.hidden{display:none;}
.leg-row{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:9px;color:var(--dim);letter-spacing:1px;}
.leg-sw{width:20px;height:3px;border-radius:1px;}
#map{width:100%;height:100%;}
.leaflet-control-attribution{background:rgba(8,12,16,.7)!important;color:var(--dim)!important;font-family:var(--mono);font-size:7px!important;}
.leaflet-control-attribution a{color:var(--dim)!important;}
#geo-status{
position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
background:rgba(8,12,16,.9);border:1px solid var(--border);
padding:12px 20px;font-family:var(--mono);font-size:11px;color:var(--dim);
letter-spacing:2px;text-align:center;z-index:500;pointer-events:none;text-transform:uppercase;
}
#geo-status.hidden{display:none;}
#distant-notice{
position:absolute;top:8px;left:50%;transform:translateX(-50%);
background:rgba(74,122,170,.15);border:1px solid var(--old);
padding:5px 14px;font-family:var(--mono);font-size:9px;color:var(--old);
letter-spacing:2px;text-align:center;z-index:200;pointer-events:none;
text-transform:uppercase;white-space:nowrap;
}
</style>
</head>
<body>
<header>
<div class="logo">STRIKE<span>MAP</span></div>
<nav class="nav">
<button class="nav-btn active" id="tab-record" onclick="showScreen('record')">RECORD</button>
<button class="nav-btn" id="tab-trends" onclick="showScreen('trends')">TRENDS</button>
<button class="nav-btn" id="tab-map" onclick="showScreen('map')">MAP</button>
</nav>
<div class="live-badge"><span class="live-dot"></span><span id="obs-badge">0 OBS</span></div>
</header>
<!-- RECORD -->
<section class="screen active" id="screen-record">
<div class="compass-wrap" id="compass-section">
<div class="sec-label">BEARING β POINT PHONE AT FLASH</div>
<button class="compass-ring-btn" id="compass-tap-btn" onclick="onCompassTap()">
<svg viewBox="0 0 150 150">
<circle cx="75" cy="75" r="70" fill="none" stroke="#1e2d38" stroke-width="1.5"/>
<g id="compass-bezel">
<line x1="75" y1="7" x2="75" y2="16" stroke="#2a3d4a" stroke-width="1"/>
<line x1="75" y1="134" x2="75" y2="143" stroke="#2a3d4a" stroke-width="1"/>
<line x1="7" y1="75" x2="16" y2="75" stroke="#2a3d4a" stroke-width="1"/>
<line x1="134" y1="75" x2="143" y2="75" stroke="#2a3d4a" stroke-width="1"/>
<text x="75" y="24" text-anchor="middle" fill="#e03030" font-family="'Share Tech Mono'" font-size="10" font-weight="bold">N</text>
<text x="75" y="143" text-anchor="middle" fill="#5a7a8a" font-family="'Share Tech Mono'" font-size="9">S</text>
<text x="14" y="79" text-anchor="middle" fill="#5a7a8a" font-family="'Share Tech Mono'" font-size="9">W</text>
<text x="136" y="79" text-anchor="middle" fill="#5a7a8a" font-family="'Share Tech Mono'" font-size="9">E</text>
</g>
<line x1="75" y1="5" x2="75" y2="20" stroke="#f5c842" stroke-width="2.5" stroke-linecap="round" opacity="0.9"/>
</svg>
<div class="compass-center">
<div class="compass-deg" id="compass-deg-el">---</div>
<div class="compass-card" id="compass-card-el">NO COMPASS</div>
</div>
</button>
<div class="sec-label" id="compass-hint" style="text-align:center;font-size:8px;">tap SAW FLASH, point at lightning, tap compass to lock</div>
</div>
<div id="couch-status-label" class="couch-status-label" style="display:none;">β COUCH MODE β NO BEARING</div>
<button class="couch-toggle" id="couch-btn" onclick="toggleCouchMode()">
<div>
<div class="couch-label-txt">Couch Mode</div>
<div class="couch-sub">No bearing recorded β distance only</div>
</div>
<div class="couch-pip"></div>
</button>
<button class="big-btn btn-flash" onclick="onFlash(this)">
β‘ SAW FLASH
<span class="sub">tap immediately on lightning</span>
</button>
<button class="big-btn btn-thunder" id="btn-thunder" onclick="onThunder(this)">
β HEARD THUNDER
<span class="sub" id="thunder-sub">press Flash first</span>
</button>
<div class="calc-box">
<div class="sec-label">LIVE CALCULATION</div>
<div class="calc-timer" id="live-timer">β</div>
<div class="calc-row"><span class="calc-key">DELAY</span><span class="calc-val" id="c-delay">β</span></div>
<div class="calc-row"><span class="calc-key">DISTANCE</span><span class="calc-val cy" id="c-dist">β</span></div>
<div class="calc-row"><span class="calc-key">BEARING</span><span class="calc-val dm" id="c-bearing">β</span></div>
</div>
</section>
<!-- TRENDS -->
<section class="screen" id="screen-trends">
<div class="trend-box">
<div class="sec-label">DISTANCE TREND</div>
<div class="trend-bars" id="trend-bars">
<div style="font-family:var(--mono);font-size:9px;color:var(--dim);letter-spacing:2px;align-self:center;width:100%;text-align:center;">NO DATA</div>
</div>
<div class="trend-status" id="trend-status">β NEED MORE DATA</div>
</div>
<div class="log-header">
<div class="sec-label" style="margin-bottom:0;">LOG</div>
<div style="display:flex;gap:6px;align-items:center;">
<span class="log-count" id="log-count">0 STRIKES</span>
<button class="clear-all-btn" id="clear-all-btn">CLEAR ALL</button>
</div>
</div>
<div class="strike-log" id="strike-log">
<div style="font-family:var(--mono);font-size:9px;color:var(--dim);padding:12px 0;text-align:center;letter-spacing:2px;">NO STRIKES YET</div>
</div>
</section>
<!-- MAP -->
<section class="screen" id="screen-map">
<div class="map-controls">
<span class="mc-label">AGE</span>
<button class="mc-btn active" data-age="all">ALL</button>
<button class="mc-btn" data-age="10">10 MIN</button>
<button class="mc-btn" data-age="30">30 MIN</button>
<div class="mc-sep"></div>
<button class="mc-btn" id="recenter-btn">β CENTER</button>
</div>
<div class="map-wrap">
<div id="map"></div>
<div id="geo-status">ACQUIRING LOCATIONβ¦</div>
<div id="distant-notice" style="display:none;"></div>
<div class="map-legend">
<button class="legend-toggle-btn" onclick="toggleLegend()">
<span id="legend-icon">βΈ</span> LEGEND
</button>
<div class="legend-body hidden" id="legend-body">
<div class="leg-row"><div class="leg-sw" style="background:var(--yellow)"></div>RECENT <5 MIN</div>
<div class="leg-row"><div class="leg-sw" style="background:var(--orange)"></div>MID 5β15 MIN</div>
<div class="leg-row"><div class="leg-sw" style="background:var(--old)"></div>OLD >15 MIN</div>
<div style="font-family:var(--mono);font-size:8px;color:var(--dim);margin-top:4px;border-top:1px solid var(--border);padding-top:4px;line-height:1.6;">
WEDGE = Β±10Β° BEARING ERROR<br>
ARC DEPTH = Β±500ms TIMING<br>
DONUT = NO BEARING (COUCH)
</div>
</div>
</div>
</div>
<div class="map-strip">
<div class="ms"><span class="ms-key">OBS</span><span class="ms-val" id="strip-obs">β</span></div>
<div class="ms"><span class="ms-key">CLOSEST</span><span class="ms-val" id="strip-closest">β</span></div>
<div class="ms"><span class="ms-key">DIRECTION</span><span class="ms-val cy" id="strip-dir">β</span></div>
<div class="ms"><span class="ms-key">TREND</span><span class="ms-val" id="strip-trend">β</span></div>
<div class="approach-alert" id="approach-alert" style="display:none;">
<span class="alert-icon">β‘</span>
<span class="alert-txt">APPROACHING</span>
</div>
</div>
</section>
<script>
// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
// STRIKEMAP β Session 5 (mobile) Β· index.html for GitHub Pages
// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
// ββ CONSTANTS ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
const SOUND_MPS = 343;
const MI_PER_M = 0.000621371;
const MAX_DIST_MI = 6.2;
const BEARING_ERROR_DEG = 10;
const TIMING_ERROR_S = 0.5;
const EXPIRE_MIN = 60;
const TREND_BAR_MIN_PCT = 20; // floor so recent short-distance bars stay legible
const LS_KEY = 'sm_strikes';
// ββ EXTERNAL STUB βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
async function fetchExternalStrikes(){ return []; }
// ββ STORAGE ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
function loadStrikes(){
try { return JSON.parse(localStorage.getItem(LS_KEY))||[]; } catch(e){ return []; }
}
function saveStrikes(arr){ localStorage.setItem(LS_KEY,JSON.stringify(arr)); }
function addStrike(s){ const a=loadStrikes(); a.unshift(s); saveStrikes(a); }
function clearStrikes(){ localStorage.removeItem(LS_KEY); }
function deleteStrike(ts){ saveStrikes(loadStrikes().filter(s=>s.ts!==ts)); }
// ββ HELPERS βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
function toCardinal(deg){
return ['N','NNE','NE','ENE','E','ESE','SE','SSE','S','SSW','SW','WSW','W','WNW','NW','NNW'][Math.round(deg/22.5)%16];
}
function isExpired(ts){ return (Date.now()-ts)/60000 > EXPIRE_MIN; }
function ageClass(ts){ const m=(Date.now()-ts)/60000; return m<5?'recent':m<15?'mid':'old'; }
function relTime(ts){
const s=Math.round((Date.now()-ts)/1000);
if(s<60) return `0:${String(s).padStart(2,'0')} ago`;
return `${Math.floor(s/60)}:${String(s%60).padStart(2,'0')} ago`;
}
// ββ SCREEN NAV ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
function showScreen(name){
document.querySelectorAll('.screen').forEach(s=>s.classList.remove('active'));
document.querySelectorAll('.nav-btn').forEach(b=>b.classList.remove('active'));
document.getElementById('screen-'+name).classList.add('active');
document.getElementById('tab-'+name).classList.add('active');
if(name==='map'){ if(window.sm_map) window.sm_map.invalidateSize(); renderMapStrikes(); }
if(name==='trends') renderLog();
}
// ββ COUCH MODE ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
let couchMode=false;
function toggleCouchMode(){
couchMode=!couchMode;
document.getElementById('couch-btn').classList.toggle('active',couchMode);
document.getElementById('compass-section').style.display=couchMode?'none':'flex';
document.getElementById('couch-status-label').style.display=couchMode?'block':'none';
if(!couchMode) updateCompassDisplay();
}
// ββ COMPASS βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
let liveHeading=null, lockedHeading=null, compassEnabled=false,
compassPermissionAsked=false, bearingArmed=false;
const headingBuf=[];
function pushHeading(h){
headingBuf.push(h);
if(headingBuf.length>8) headingBuf.shift();
let s=0,c=0;
headingBuf.forEach(a=>{s+=Math.sin(a*Math.PI/180);c+=Math.cos(a*Math.PI/180);});
liveHeading=(Math.atan2(s,c)*180/Math.PI+360)%360;
}
function updateCompassDisplay(){
if(couchMode) return;
const degEl=document.getElementById('compass-deg-el');
const cardEl=document.getElementById('compass-card-el');
const bezel=document.getElementById('compass-bezel');
const hint=document.getElementById('compass-hint');
const ring=document.getElementById('compass-tap-btn');
const deg=lockedHeading!==null?lockedHeading:liveHeading;
if(bezel&°!==null) bezel.setAttribute('transform',`rotate(${-deg},75,75)`);
if(!compassPermissionAsked){
degEl.textContent='---'; degEl.style.color='';
cardEl.textContent='TAP TO START'; cardEl.style.color='var(--cyan)';
hint.textContent='tap compass to enable heading';
ring.style.boxShadow='0 0 12px rgba(48,200,224,.25)';
} else if(lockedHeading!==null){
const d=Math.round(lockedHeading);
degEl.textContent=String(d).padStart(3,'0')+'Β°'; degEl.style.color='#30a860';
cardEl.textContent='β '+toCardinal(d); cardEl.style.color='#30a860';
hint.textContent='tap compass to unlock';
ring.style.boxShadow='0 0 16px rgba(48,168,96,.4)';
} else if(bearingArmed){
const d=liveHeading!==null?Math.round(liveHeading):null;
degEl.textContent=d!==null?String(d).padStart(3,'0')+'Β°':'---'; degEl.style.color='#f5c842';
cardEl.textContent=d!==null?toCardinal(d):'---'; cardEl.style.color='#f5c842';
hint.textContent='point at lightning β tap compass to lock';
ring.style.boxShadow='0 0 16px rgba(245,200,66,.3)';
} else {
const d=liveHeading!==null?Math.round(liveHeading):null;
degEl.textContent=d!==null?String(d).padStart(3,'0')+'Β°':'---'; degEl.style.color='';
cardEl.textContent=d!==null?toCardinal(d):(compassEnabled?'---':'NO COMPASS'); cardEl.style.color='';
hint.textContent='tap SAW FLASH, point at lightning, tap compass to lock';
ring.style.boxShadow='';
}
}
function onCompassTap(){
if(!compassPermissionAsked){ requestCompassPermission(); return; }
if(!bearingArmed&&lockedHeading===null) return;
if(lockedHeading!==null){ lockedHeading=null; updateCompassDisplay(); return; }
lockedHeading=liveHeading;
updateCompassDisplay();
}
function onDeviceOrientation(e){
let h=null;
if(typeof e.webkitCompassHeading==='number') h=e.webkitCompassHeading;
else if(e.absolute&&typeof e.alpha==='number') h=(360-e.alpha)%360;
else if(typeof e.alpha==='number') h=(360-e.alpha)%360;
if(h===null) return;
pushHeading(h);
if(lockedHeading===null) updateCompassDisplay();
}
function startCompass(){
window.addEventListener('deviceorientation',onDeviceOrientation,true);
compassEnabled=true;
updateCompassDisplay();
}
async function requestCompassPermission(){
if(compassPermissionAsked) return;
compassPermissionAsked=true;
if(typeof DeviceOrientationEvent!=='undefined'&&typeof DeviceOrientationEvent.requestPermission==='function'){
try{ const p=await DeviceOrientationEvent.requestPermission(); if(p==='granted') startCompass(); }
catch(e){ startCompass(); }
} else { startCompass(); }
}
// ββ FLASH / THUNDER βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
let flashTime=null, timerInterval=null, flashArmed=false;
function onFlash(btn){
flashTime=Date.now(); flashArmed=true;
if(!couchMode){ bearingArmed=true; lockedHeading=null; updateCompassDisplay(); }
const tb=document.getElementById('btn-thunder');
tb.classList.add('armed');
document.getElementById('thunder-sub').textContent='tap when you hear it...';
btn.style.boxShadow='0 0 60px rgba(245,200,66,.7)';
setTimeout(()=>btn.style.boxShadow='',400);
if(timerInterval) clearInterval(timerInterval);
timerInterval=setInterval(()=>{
if(!flashTime){ clearInterval(timerInterval); return; }
document.getElementById('live-timer').textContent=((Date.now()-flashTime)/1000).toFixed(1)+'s';
if(!couchMode){
const bear=lockedHeading!==null?Math.round(lockedHeading):null;
document.getElementById('c-bearing').textContent=
bear!==null?`${String(bear).padStart(3,'0')}Β° ${toCardinal(bear)}`:'β POINT & TAP';
}
},100);
}
function onThunder(btn){
if(!flashArmed||!flashTime) return;
clearInterval(timerInterval);
const delay=(Date.now()-flashTime)/1000;
const distMi=delay*SOUND_MPS*MI_PER_M;
const bear=couchMode?null:(lockedHeading!==null?Math.round(lockedHeading):null);
flashArmed=false; bearingArmed=false; flashTime=null; lockedHeading=null;
document.getElementById('live-timer').textContent=delay.toFixed(1)+'s';
document.getElementById('c-delay').textContent=delay.toFixed(1)+'s';
document.getElementById('c-dist').textContent=distMi.toFixed(2)+' mi';
document.getElementById('c-bearing').textContent=
couchMode?'COUCH MODE':(bear!==null?`${String(bear).padStart(3,'0')}Β° ${toCardinal(bear)}`:'β NO COMPASS');
btn.classList.remove('armed');
document.getElementById('thunder-sub').textContent='press Flash first';
btn.style.boxShadow='0 0 30px rgba(48,200,224,.5)';
setTimeout(()=>btn.style.boxShadow='',400);
if(!couchMode) updateCompassDisplay();
addStrike({
ts:Date.now(), delay:Math.round(delay*10)/10,
distMi:Math.round(distMi*100)/100,
bear, card:bear!==null?toCardinal(bear):null,
});
renderLog();
updateObsBadge();
}
// ββ LOG βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
function renderLog(){
const strikes=loadStrikes();
const logEl=document.getElementById('strike-log');
const countEl=document.getElementById('log-count');
if(!logEl) return;
const active=strikes.filter(s=>!isExpired(s.ts));
countEl.textContent=strikes.length+' STRIKE'+(strikes.length!==1?'S':'')+
(strikes.length!==active.length?` Β· ${active.length} ACTIVE`:'');
if(!strikes.length){
logEl.innerHTML='<div style="font-family:var(--mono);font-size:9px;color:var(--dim);padding:12px 0;text-align:center;letter-spacing:2px;">NO STRIKES YET</div>';
renderTrend([]);
return;
}
logEl.innerHTML=strikes.map(s=>{
const expired=isExpired(s.ts);
const cls=expired?'old':ageClass(s.ts);
const bear=s.bear!==null?`${String(s.bear).padStart(3,'0')}Β° ${s.card}`:'--- NO HDG';
const expiredTag=expired?'<span style="font-family:var(--mono);font-size:8px;color:var(--dim);letter-spacing:1px;border:1px solid var(--border);padding:1px 4px;margin-left:4px;">EXPIRED</span>':'';
return `<div class="s-entry ${cls}" style="${expired?'opacity:0.45;':''}">
<div>
<div class="s-dist ${cls}">${s.distMi.toFixed(2)} mi${expiredTag}</div>
<div class="s-meta">${s.delay.toFixed(1)}s Β· ${bear}</div>
</div>
<div>
<div class="s-bearing ${cls}">${s.card||'---'}</div>
<div class="s-time">${relTime(s.ts)}</div>
</div>
<button class="s-delete" onclick="deleteSingleStrike(${s.ts})" title="Delete">β</button>
</div>`;
}).join('');
renderTrend(active);
}
function deleteSingleStrike(ts){
deleteStrike(ts);
renderLog();
updateObsBadge();
if(window.sm_map) renderMapStrikes();
}
// ββ TREND βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
function renderTrend(strikes){
const barsEl=document.getElementById('trend-bars');
const statusEl=document.getElementById('trend-status');
if(!barsEl) return;
if(!strikes||!strikes.length){
barsEl.innerHTML='<div style="font-family:var(--mono);font-size:9px;color:var(--dim);letter-spacing:2px;align-self:center;width:100%;text-align:center;">NO DATA</div>';
if(statusEl){statusEl.className='trend-status';statusEl.textContent='β NEED MORE DATA';}
return;
}
const recent=strikes.slice(0,8).reverse();
const maxDist=Math.max(...recent.map(s=>s.distMi),0.1);
barsEl.innerHTML=recent.map(s=>{
const cls=ageClass(s.ts);
const color=cls==='recent'?'#f5c842':cls==='mid'?'#f08030':'#4a7aaa';
// Apply floor: even if storm is very close, bars never shorter than TREND_BAR_MIN_PCT
const pct=Math.max(TREND_BAR_MIN_PCT, Math.round(s.distMi/maxDist*100));
return `<div class="trend-bar-col" style="height:${pct}%;background:${color};opacity:.85"></div>`;
}).join('');
if(strikes.length>=2){
const d=strikes[0].distMi-strikes[1].distMi;
const abs=Math.abs(d).toFixed(2);
if(Math.abs(d)<0.05){ statusEl.className='trend-status'; statusEl.textContent='β STEADY'; }
else if(d<0){ statusEl.className='trend-status approaching'; statusEl.textContent=`βΌ APPROACHING Β· ${abs} mi closer`; }
else{ statusEl.className='trend-status receding'; statusEl.textContent=`β² RECEDING Β· ${abs} mi farther`; }
} else {
statusEl.className='trend-status'; statusEl.textContent='β NEED MORE DATA';
}
}
// ββ OBS BADGE βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
function updateObsBadge(){
const active=loadStrikes().filter(s=>!isExpired(s.ts)).length;
document.getElementById('obs-badge').textContent=active+' OBS';
}
// ββ LIVE REFRESH every 30s β keeps age colors, map, and badge current βββββββββ
setInterval(()=>{
renderLog();
updateObsBadge();
if(window.sm_map) renderMapStrikes();
}, 30000);
// ββ INIT βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
document.addEventListener('DOMContentLoaded',()=>{
updateObsBadge();
updateCompassDisplay();
renderTrend([]);
document.getElementById('clear-all-btn').addEventListener('click',()=>{
if(!loadStrikes().length) return;
if(!confirm('Clear all strikes? This cannot be undone.')) return;
clearStrikes(); renderLog(); updateObsBadge();
if(window.sm_map) renderMapStrikes();
});
document.querySelectorAll('.mc-btn[data-age]').forEach(btn=>{
btn.addEventListener('click',()=>{
document.querySelectorAll('.mc-btn[data-age]').forEach(b=>b.classList.remove('active'));
btn.classList.add('active');
mapAgeFilter=btn.dataset.age;
renderMapStrikes();
});
});
});
// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
// MAP
// βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
const FALLBACK_LAT=32.7357, FALLBACK_LON=-79.9956, ZOOM=12;
const map=L.map('map',{
center:[FALLBACK_LAT,FALLBACK_LON], zoom:ZOOM,
zoomControl:false, dragging:false, touchZoom:false,
doubleClickZoom:false, scrollWheelZoom:false, boxZoom:false, keyboard:false, tap:false,
});
window.sm_map=map;
L.tileLayer('https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png',{
attribution:'Β© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> Β© <a href="https://carto.com/">CARTO</a>',
subdomains:'abcd', maxZoom:19,
}).addTo(map);
const _ps=document.createElement('style');
_ps.textContent='@keyframes pulse-ring{0%{transform:scale(1);opacity:.6}100%{transform:scale(2.4);opacity:0}}';
document.head.appendChild(_ps);
const youIcon=L.divIcon({
className:'',
html:`<div style="width:14px;height:14px;border-radius:50%;background:#30c8e0;box-shadow:0 0 0 3px rgba(48,200,224,.3),0 0 16px rgba(48,200,224,.6);position:relative;"><div style="position:absolute;top:-4px;left:-4px;width:22px;height:22px;border-radius:50%;border:1.5px solid rgba(48,200,224,.5);animation:pulse-ring 2.5s ease-out infinite;"></div></div>`,
iconSize:[14,14], iconAnchor:[7,7],
});
let userMarker=null, userLat=FALLBACK_LAT, userLon=FALLBACK_LON;
function placeUserMarker(lat,lon){
userLat=lat; userLon=lon;
if(userMarker) map.removeLayer(userMarker);
userMarker=L.marker([lat,lon],{icon:youIcon,interactive:false}).addTo(map);
}
placeUserMarker(FALLBACK_LAT,FALLBACK_LON);
const geoStatus=document.getElementById('geo-status');
if('geolocation' in navigator){
navigator.geolocation.getCurrentPosition(
pos=>{
map.setView([pos.coords.latitude,pos.coords.longitude],ZOOM);
placeUserMarker(pos.coords.latitude,pos.coords.longitude);
geoStatus.classList.add('hidden');
},
()=>{ geoStatus.textContent='LOCATION UNAVAILABLE β USING DEFAULT'; setTimeout(()=>geoStatus.classList.add('hidden'),3000); },
{enableHighAccuracy:true, timeout:10000, maximumAge:60000}
);
} else { geoStatus.textContent='LOCATION UNAVAILABLE β USING DEFAULT'; setTimeout(()=>geoStatus.classList.add('hidden'),3000); }
document.getElementById('recenter-btn').onclick=()=>map.setView([userLat,userLon],ZOOM);
// ββ GEOMETRY ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
function strikeLatLon(lat,lon,bear,distMi){
const R=6371000, d=distMi*1609.34, Ο1=lat*Math.PI/180, Ξ»1=lon*Math.PI/180, ΞΈ=bear*Math.PI/180;
const Ο2=Math.asin(Math.sin(Ο1)*Math.cos(d/R)+Math.cos(Ο1)*Math.sin(d/R)*Math.cos(ΞΈ));
const Ξ»2=Ξ»1+Math.atan2(Math.sin(ΞΈ)*Math.sin(d/R)*Math.cos(Ο1),Math.cos(d/R)-Math.sin(Ο1)*Math.sin(Ο2));
return [Ο2*180/Math.PI, Ξ»2*180/Math.PI];
}
function makePizzaCrust(uLat,uLon,bear,distMi,color){
const DELTA_D=TIMING_ERROR_S*SOUND_MPS*MI_PER_M;
const STEPS=16;
const inner=Math.max(0,distMi-DELTA_D), outer=distMi+DELTA_D;
const bL=bear-BEARING_ERROR_DEG, bR=bear+BEARING_ERROR_DEG;
const pts=[];
for(let i=0;i<=STEPS;i++){const b=bL+(bR-bL)*(i/STEPS);pts.push(strikeLatLon(uLat,uLon,b,outer));}
for(let i=STEPS;i>=0;i--){const b=bL+(bR-bL)*(i/STEPS);pts.push(strikeLatLon(uLat,uLon,b,inner));}
return L.polygon(pts,{color,weight:1.5,opacity:0.85,fillColor:color,fillOpacity:0.20,interactive:false});
}
function makeDonut(uLat,uLon,distMi,color){
const DELTA_D=TIMING_ERROR_S*SOUND_MPS*MI_PER_M;
const inner=Math.max(0,distMi-DELTA_D), outer=distMi+DELTA_D;
const STEPS=36;
const pts=[];
for(let i=0;i<=STEPS;i++) pts.push(strikeLatLon(uLat,uLon,360*i/STEPS,outer));
for(let i=STEPS;i>=0;i--) pts.push(strikeLatLon(uLat,uLon,360*i/STEPS,inner));
return L.polygon(pts,{color,weight:1.5,opacity:0.85,fillColor:color,fillOpacity:0.15,dashArray:'4 3',interactive:false});
}
let strikeLayers=[];
function clearStrikeLayers(){ strikeLayers.forEach(l=>map.removeLayer(l)); strikeLayers=[]; }
function strikeColor(ts){ const c=ageClass(ts); return c==='recent'?'#f5c842':c==='mid'?'#f08030':'#4a7aaa'; }
let mapAgeFilter='all';
function renderMapStrikes(){
clearStrikeLayers();
const strikes=loadStrikes();
const now=Date.now();
const active=strikes.filter(s=>!isExpired(s.ts));
const filtered=active.filter(s=>{
if(mapAgeFilter==='10') return (now-s.ts)/60000<=10;
if(mapAgeFilter==='30') return (now-s.ts)/60000<=30;
return true;
});
let hasDistant=false, closest=null;
filtered.forEach((s,idx)=>{
if(s.distMi>MAX_DIST_MI){ hasDistant=true; return; }
const color=strikeColor(s.ts);
if(s.bear===null){
const donut=makeDonut(userLat,userLon,s.distMi,color);
map.addLayer(donut); strikeLayers.push(donut);
} else {
const [sLat,sLon]=strikeLatLon(userLat,userLon,s.bear,s.distMi);
const line=L.polyline([[userLat,userLon],[sLat,sLon]],{color,weight:1,opacity:0.3,dashArray:'6 5',interactive:false});
map.addLayer(line); strikeLayers.push(line);
const crust=makePizzaCrust(userLat,userLon,s.bear,s.distMi,color);
map.addLayer(crust); strikeLayers.push(crust);
const dot=L.circleMarker([sLat,sLon],{radius:5,color,weight:2,fillColor:color,fillOpacity:1,interactive:false});
map.addLayer(dot); strikeLayers.push(dot);
if(idx===0){
const bearRad=s.bear*Math.PI/180;
const ml=Math.sin(bearRad)>=0?8:-72;
const mt=Math.cos(bearRad)>=0?-14:4;
const label=L.marker([sLat,sLon],{
icon:L.divIcon({
className:'',
html:`<div style="font-family:'Share Tech Mono',monospace;font-size:9px;color:${color};white-space:nowrap;margin-left:${ml}px;margin-top:${mt}px;text-shadow:0 0 4px #000;">β‘ ${s.distMi.toFixed(2)}mi</div>`,
iconSize:[0,0], iconAnchor:[0,0],
}), interactive:false,
});
map.addLayer(label); strikeLayers.push(label);
}
}
if(!closest||s.distMi<closest.distMi) closest=s;
});
updateMapStrip(filtered,closest,hasDistant);
}
function updateMapStrip(strikes,closest,hasDistant){
document.getElementById('strip-obs').textContent=strikes.length||'β';
document.getElementById('strip-closest').textContent=closest?closest.distMi.toFixed(2)+' mi':'β';
const dirEl=document.getElementById('strip-dir');
if(closest&&closest.card){ dirEl.textContent=closest.card; dirEl.className='ms-val cy'; }
else{ dirEl.textContent='β'; dirEl.className='ms-val'; }
const trendEl=document.getElementById('strip-trend');
const alertEl=document.getElementById('approach-alert');
const allActive=loadStrikes().filter(s=>!isExpired(s.ts));
if(allActive.length>=2){
const d=allActive[0].distMi-allActive[1].distMi;
if(Math.abs(d)<0.05){ trendEl.textContent='β STEADY'; trendEl.className='ms-val'; alertEl.style.display='none'; }
else if(d<0){ trendEl.textContent='βΌ CLOSER'; trendEl.className='ms-val rd'; alertEl.style.display='flex'; }
else{ trendEl.textContent='β² FARTHER'; trendEl.className='ms-val gn'; alertEl.style.display='none'; }
} else{ trendEl.textContent='β'; trendEl.className='ms-val'; alertEl.style.display='none'; }
const distantEl=document.getElementById('distant-notice');
if(hasDistant){
const n=strikes.filter(s=>s.distMi>MAX_DIST_MI).length;
distantEl.textContent=`${n} DISTANT STRIKE${n>1?'S':''} >6 MI β NOT PLOTTED`;
distantEl.style.display='block';
} else distantEl.style.display='none';
}
function toggleLegend(){
const body=document.getElementById('legend-body');
const icon=document.getElementById('legend-icon');
const hidden=body.classList.contains('hidden');
body.classList.toggle('hidden',!hidden);
icon.textContent=hidden?'βΎ':'βΈ';
}
</script>
</body>
</html>