119 lines
4.4 KiB
HTML
119 lines
4.4 KiB
HTML
<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="refresh" content="10; url=public/index.php">
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<title>AstroTools – Astronomiemuseum Sternwarte Sonneberg</title>
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<link href="https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400;1,600&display=swap" rel="stylesheet">
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<link rel="stylesheet" href="public/css/style.css">
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</head>
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<body class="landing-page">
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<canvas id="starCanvas"></canvas>
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<div class="nebula nebula-1"></div>
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<div class="nebula nebula-2"></div>
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<div class="nebula nebula-3"></div>
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<div class="redirect-banner">
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<span>Weiterleitung in</span>
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<span class="redirect-countdown" id="countdown">10</span>
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<span>Sekunden —</span>
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<div class="redirect-bar-wrap"><div class="redirect-bar"></div></div>
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<a class="redirect-link" href="public/index.php">Jetzt →</a>
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</div>
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<div class="page">
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<section class="hero">
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<p class="museum-pre">Astronomiemuseum der Sternwarte Sonneberg · seit 1925</p>
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<p class="museum-pre">Thüringens Tor ins Universum</p>
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<div class="ring-wrap" id="ringWrap">
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<div class="crosshair"></div>
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<div class="ring ring-outer"><div class="ring-ticks"></div></div>
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<div class="ring ring-inner"></div>
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<div class="ring-core"><div class="ring-symbol">✦</div></div>
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</div>
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<h1 class="hero-title"><em>AstroTools</em></h1>
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<div class="hero-divider"></div>
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<p class="hero-desc">
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Digitale Hilfsmittel für Beobachtung, Planung und Entdeckung –<br>
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entwickelt vom Astronomiemuseum der Sternwarte Sonneberg.<br>
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Standort: Erbispühl · Neufang · 638 m ü.NN<br>
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IAU-Sternwartencode: <strong>031</strong>
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</p>
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<a class="hero-link" href="https://astronomiemuseum.de" target="_blank" rel="noopener">
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↗ astronomiemuseum.de
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</a>
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</section>
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</div>
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<script>
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const canvas = document.getElementById('starCanvas');
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const ctx = canvas.getContext('2d');
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function resize(){ canvas.width=window.innerWidth; canvas.height=window.innerHeight; }
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resize(); window.addEventListener('resize',resize);
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const STARS = Array.from({length:320},()=>({
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x:Math.random(),y:Math.random(),r:Math.random()*1.2+0.15,
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a:Math.random()*0.6+0.1,tw:Math.random()*5000+2500,tp:Math.random()*8000,
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c:Math.random()<.15?[255,220,180]:Math.random()<.1?[180,200,255]:[210,225,255],
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}));
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const BRIGHT = Array.from({length:14},()=>({
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x:Math.random(),y:Math.random(),r:Math.random()*1.8+1.0,
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a:Math.random()*0.5+0.4,tw:Math.random()*3000+1500,tp:Math.random()*5000,
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}));
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function drawStar(x,y,r,a,rgb){
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ctx.beginPath();ctx.arc(x,y,r,0,Math.PI*2);
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ctx.fillStyle=`rgba(${rgb[0]},${rgb[1]},${rgb[2]},${a})`;ctx.fill();
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}
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function drawSpike(x,y,size,a){
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ctx.save();ctx.globalAlpha=a*.5;const len=size*6;
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ctx.strokeStyle=`rgba(255,240,200,${a*.3})`;ctx.lineWidth=.5;
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ctx.beginPath();ctx.moveTo(x-len,y);ctx.lineTo(x+len,y);ctx.stroke();
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ctx.beginPath();ctx.moveTo(x,y-len);ctx.lineTo(x,y+len);ctx.stroke();
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ctx.restore();
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}
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(function draw(){
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ctx.clearRect(0,0,canvas.width,canvas.height);
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const t=performance.now();
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STARS.forEach(s=>{
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const a=s.a*(0.5+0.5*Math.sin((t+s.tp)/s.tw*Math.PI*2));
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drawStar(s.x*canvas.width,s.y*canvas.height,s.r,a,s.c);
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});
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BRIGHT.forEach(s=>{
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const a=s.a*(0.6+0.4*Math.sin((t+s.tp)/s.tw*Math.PI*2));
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const x=s.x*canvas.width,y=s.y*canvas.height;
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const g=ctx.createRadialGradient(x,y,0,x,y,s.r*4);
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g.addColorStop(0,`rgba(255,245,220,${a*.6})`);g.addColorStop(1,'transparent');
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ctx.beginPath();ctx.arc(x,y,s.r*4,0,Math.PI*2);ctx.fillStyle=g;ctx.fill();
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drawStar(x,y,s.r,a,[255,245,220]);drawSpike(x,y,s.r,a);
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});
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requestAnimationFrame(draw);
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})();
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document.addEventListener('mousemove',e=>{
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const xR=(e.clientX/window.innerWidth-.5)*2;
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const yR=(e.clientY/window.innerHeight-.5)*2;
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const wrap=document.getElementById('ringWrap');
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if(wrap){
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wrap.style.setProperty('--ring-offset-x', `${xR*8}px`);
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wrap.style.setProperty('--ring-offset-y', `${yR*8}px`);
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}
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});
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let secs=10;
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const countEl=document.getElementById('countdown');
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const timer=setInterval(()=>{
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secs--;countEl.textContent=secs;
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if(secs<=0){clearInterval(timer);window.location.href='public/index.php';}
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},1000);
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</script>
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</body>
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</html>
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