Files
web-dashcam/speedometer.html
2026-06-12 16:55:20 +01:00

245 lines
7.2 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Speedometer</title>
<style>
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
background: #000;
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
font-family: monospace;
color: #fff;
user-select: none;
}
#speed-val {
font-size: clamp(100px, 22vh, 240px);
font-weight: 700;
color: #fff;
line-height: 1;
text-align: center;
}
#speed-unit {
font-size: clamp(16px, 4vh, 36px);
color: #aaa;
letter-spacing: 3px;
margin-top: clamp(6px, 1vh, 12px);
text-align: center;
}
#gps-info {
margin-top: clamp(20px, 4vh, 48px);
text-align: center;
display: flex;
flex-direction: column;
gap: clamp(8px, 1.5vh, 18px);
}
.data-row {
display: flex;
gap: clamp(16px, 5vw, 36px);
justify-content: center;
flex-wrap: wrap;
}
.di {
font-size: clamp(13px, 2.4vh, 24px);
color: #ccc;
display: flex;
gap: clamp(4px, 0.8vh, 8px);
align-items: center;
}
.dl { color: #555; font-size: clamp(10px, 1.8vh, 18px); letter-spacing: 0.5px; }
.dv { color: #fff; font-weight: 500; }
#gps-dot {
width: 8px;
height: 8px;
border-radius: 50%;
background: #555;
flex-shrink: 0;
}
#gps-dot.active { background: #1D9E75; animation: gpsblink 2s infinite; }
@keyframes gpsblink { 0%,100%{opacity:1} 50%{opacity:0.4} }
#clock {
position: fixed;
top: 14px;
left: 16px;
font-size: 16px;
color: #fff;
background: rgba(255,255,255,0.07);
border-radius: 8px;
padding: 4px 10px;
letter-spacing: 1px;
}
#unit-btn {
position: fixed;
top: 14px;
right: 16px;
background: rgba(255,255,255,0.1);
border: 0.5px solid rgba(255,255,255,0.2);
color: #fff;
border-radius: 26px;
padding: 7px 16px;
font-size: 14px;
font-family: monospace;
cursor: pointer;
letter-spacing: 0.4px;
}
#unit-btn:hover { background: rgba(255,255,255,0.2); }
#fs-btn {
position: fixed;
top: 14px;
left: 50%;
transform: translateX(-50%);
background: rgba(255,255,255,0.1);
border: 0.5px solid rgba(255,255,255,0.2);
color: #fff;
border-radius: 26px;
padding: 7px 16px;
font-size: 14px;
font-family: monospace;
cursor: pointer;
letter-spacing: 0.4px;
}
#fs-btn:hover { background: rgba(255,255,255,0.2); }
#status {
position: fixed;
bottom: 16px;
left: 50%;
transform: translateX(-50%);
font-size: 11px;
color: rgba(255,255,255,0.35);
white-space: nowrap;
}
</style>
</head>
<body>
<div id="clock">--:--:--</div>
<button id="fs-btn" onclick="toggleFullscreen()">&#x26F6;</button>
<button id="unit-btn" onclick="toggleUnit()">MPH / KPH</button>
<div id="speed-val">--</div>
<div id="speed-unit">MPH</div>
<div id="gps-info">
<div class="data-row">
<div id="gps-dot"></div>
<div class="di"><span class="dl">LAT</span><span class="dv" id="lat-val">--</span></div>
<div class="di"><span class="dl">LNG</span><span class="dv" id="lng-val">--</span></div>
</div>
<div class="data-row">
<div class="di"><span class="dl">ALT</span><span class="dv" id="alt-val">--</span></div>
<div class="di"><span class="dl">ACC</span><span class="dv" id="acc-val">--</span></div>
<div class="di"><span class="dl">HDG</span><span class="dv" id="hdg-val">--</span></div>
<div class="di"><span class="dl">DIST</span><span class="dv" id="dist-val">0.00km</span></div>
</div>
</div>
<div id="status">Acquiring GPS...</div>
<script>
let useMph = true, watchId = null;
let lastPos = null, totalDist = 0;
function pad(v) { return String(Math.floor(v)).padStart(2, '0'); }
function cvt(ms) { return useMph ? ms * 2.23694 : ms * 3.6; }
function haversine(a, b) {
const R = 6371000, r = Math.PI / 180;
const dLat = (b.lat - a.lat) * r, dLng = (b.lng - a.lng) * r;
const x = Math.sin(dLat/2)**2 + Math.cos(a.lat*r)*Math.cos(b.lat*r)*Math.sin(dLng/2)**2;
return R * 2 * Math.atan2(Math.sqrt(x), Math.sqrt(1-x));
}
function bearingLabel(deg) {
if (deg === null || isNaN(deg)) return '--';
return ['N','NE','E','SE','S','SW','W','NW'][Math.round(deg/45)%8] + ' ' + Math.round(deg) + '\xb0';
}
function updateClock() {
const n = new Date();
document.getElementById('clock').textContent =
pad(n.getHours()) + ':' + pad(n.getMinutes()) + ':' + pad(n.getSeconds());
}
function toggleUnit() {
useMph = !useMph;
document.getElementById('speed-unit').textContent = useMph ? 'MPH' : 'KPH';
}
function startGPS() {
if (!navigator.geolocation) {
document.getElementById('status').textContent = 'GPS unavailable';
return;
}
watchId = navigator.geolocation.watchPosition(pos => {
const c = pos.coords;
const speed = c.speed !== null ? c.speed : 0;
const conv = cvt(speed);
document.getElementById('speed-val').textContent = Math.round(conv);
document.getElementById('lat-val').textContent = c.latitude.toFixed(5);
document.getElementById('lng-val').textContent = c.longitude.toFixed(5);
document.getElementById('alt-val').textContent = c.altitude !== null ? Math.round(c.altitude) + 'm' : '--';
document.getElementById('acc-val').textContent = Math.round(c.accuracy) + 'm';
document.getElementById('hdg-val').textContent = bearingLabel(c.heading);
const cur = { lat: c.latitude, lng: c.longitude };
if (lastPos) { const d = haversine(lastPos, cur); if (d < 200) totalDist += d; }
lastPos = cur;
document.getElementById('dist-val').textContent = (totalDist / 1000).toFixed(2) + 'km';
document.getElementById('gps-dot').className = 'active';
document.getElementById('status').textContent = '';
}, err => {
document.getElementById('status').textContent = 'GPS: ' + err.message;
document.getElementById('gps-dot').className = '';
}, { enableHighAccuracy: true, maximumAge: 1000, timeout: 15000 });
}
function toggleFullscreen() {
const btn = document.getElementById('fs-btn');
if (!document.fullscreenElement) {
document.documentElement.requestFullscreen().catch(() => {});
btn.textContent = '✕';
} else {
document.exitFullscreen().catch(() => {});
btn.textContent = '⛶';
}
document.addEventListener('fullscreenchange', () => {
if (!document.fullscreenElement) btn.textContent = '⛶';
}, { once: true });
}
setInterval(updateClock, 1000);
updateClock();
startGPS();
let wakeLock = null;
async function requestWakeLock() {
try { wakeLock = await navigator.wakeLock.request('screen'); } catch(e) {}
}
document.addEventListener('visibilitychange', () => {
if (document.visibilityState === 'visible') requestWakeLock();
});
requestWakeLock();
</script>
</body>
</html>