eqlectika.github.io/clock.html at main · eqlectika/eqlectika.github.io · GitHub

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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, user-scalable=no">
  <title>Solar System Orbital Trajectories Animation</title>
  <link rel="manifest" href="manifest.json">
  <style>
    * {
      box-sizing: border-box;
    }

body {
  margin: 0;
  padding: 0;
  background-color: #000;
  color: #fff;
  font-family: monospace;
  overflow-y: auto;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

#canvas-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
  margin: 5px 0;
}

.footer-logo-container {
  text-align: center;
  width: 100%;
  padding: 10px 0 0 0;
  margin-top: 0;
}

    h1 {
margin: 15px;
      font-size: 1.2rem;
      text-align: center;
    }


  .logo-image {
    display: inline-block;
    opacity: 1;
    max-width: 48px;
    transition: opacity 0.3s, transform 0.3s;
    vertical-align: middle;
  }

  .logo-image:hover {
    opacity: 0.8;
    transform: scale(1.1);
  }

    #controls {
      display: flex;
      font-family: monospace;
      justify-content: center;
      gap: 15px;
      padding-bottom: 5px;
      flex-wrap: wrap;
      margin-bottom: 5px;
    }
    #controls label {
      display: flex;
      align-items: center;
      gap: 5px;
      font-size: 0.9rem;
    }

    #orbitCanvas {
      background-color: #000;
      display: block;
      max-width: 100%;
      max-height: 100%;
      touch-action: auto;
    }
    #legend {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 5px;
      margin-bottom: 20px;
      font-size: 0.8rem;
    }
    .legend-item {
      display: flex;
      align-items: center;
      gap: 5px;
      cursor: pointer;
    }
    .color-box {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      position: relative;
    }
    .color-box input {
      position: absolute;
      opacity: 0;
      width: 100%;
      height: 100%;
      cursor: pointer;
    }
    #info {
      text-align: center;
      font-size: 0.8rem;
      margin: 0px;
      padding: 0 10px;
    }
    .help-link {
      position: center;
      text-align: center;
      margin: 5px;
      top: 70px;
      color: #777;
      font-size: 18px;
      text-decoration: none;
      font-family: monospace;
    }
    .hidden-planet {
      opacity: 0.3;
    }
    .speed-control {
      width: 100%;
      padding: 0 0px;
      margin-top: 5px;
      text-align: center;
    }
    .speed-control label {
      display: block;
      margin-bottom: 5px;
    }
    .speed-slider {
      width: 80%;
      margin-bottom: 0px;
    }
    #pause-btn {
      margin-bottom: 5px;
      padding: 5px 10px;
      background: #333;
      color: white;
      border: none;
      border-radius: 0px;
      cursor: pointer;
    }
    #date-picker {
      margin: 5px 5px;
      background: #333;
      color: white;
      border: none;
      padding: 5px;
      font-family: monospace;
    }
    .control-container {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      margin-bottom: 5px;
    }
    footer {
  margin-top: auto;
  padding: 20px 0;
  display: flex;
  justify-content: center;
}

.donate-box {
  display: flex;
  flex-direction: column;
  align-items: center; /* Центрування вмісту */
  gap: 10px;
}

.donate-btn {
  color: #fff;
  border: 1px solid #fff;
  padding: 5px 15px;
  background: transparent;
  cursor: pointer;
  font-family: monospace;
  width: fit-content;
  transition: 0.3s;
}

.donate-btn:hover {
  background: #aaa;
  color: #000;
}

.crypto-info {
  display: none;
  flex-direction: column;
  align-items: center; /* Центрування тексту та адреси */
  gap: 5px;
  margin-top: 10px;
}

.crypto-address-display {
  font-size: 10px;
  color: #fff;
  background: #111;
  padding: 8px 12px;
  border: 1px dashed #fff;
  cursor: copy;
  word-break: break-all;
  max-width: 280px;
  text-align: center;
}
  </style>
</head>
<body>
  <script src="pwa-init.js"></script>
  <div class="footer-logo-container">
    <a href="index.html">
      <img src="logo.png" alt="Logo" class="logo-image">
    </a>
  </div>
  <h1>Solar System Model</h1>
  <div class="speed-control">
    <div class="control-container">
      <label for="date-picker">Date:</label>
<input type="date" id="date-picker" value="2000-01-01">
      <button id="pause-btn">Pause</button>
</div>
    <input type="range" id="speed-slider" class="speed-slider" min="0.1" max="1" step="0.1" value="0.3">
  </div>
  <div id="canvas-wrapper">
    <canvas id="orbitCanvas"></canvas>
  </div>
  <div id="controls">
    <label><input type="radio" name="frame" value="sun" checked> Sun</label>
    <label><input type="radio" name="frame" value="earth"> Earth</label>
  </div>
  <div id="legend"></div>

  <div id="info"></div>


  <script>
    const canvas = document.getElementById('orbitCanvas');
    const ctx = canvas.getContext('2d');
    const legendDiv = document.getElementById('legend');

 function initCanvas() {
  const wrapper = document.getElementById('canvas-wrapper');
  const size = Math.min(window.innerWidth, window.innerHeight * 0.6);
  canvas.width = size;
  canvas.height = size;
  canvas.style.width = `${size}px`;
  canvas.style.height = `${size}px`;
}


    window.addEventListener('resize', () => {
      initCanvas();
      trajectories.forEach(arr => arr.length = 0);
    });

    const planets = [
      {name: 'Mercury', distance: 0.387, period: 88, color: '#1e90ff', eccentricity: 0.2056, inclination: 0.1222},
      {name: 'Venus', distance: 0.723, period: 225, color: '#8F00FF', eccentricity: 0.0068, inclination: 0.0593},
      {name: 'Earth', distance: 1.000, period: 365.25, color: '#008000', eccentricity: 0.0167, inclination: 0},
      {name: 'Mars', distance: 1.524, period: 687, color: '#ff4500', eccentricity: 0.0934, inclination: 0.0323},
      {name: 'Jupiter', distance: 5.203, period: 4333, color: '#daa520', eccentricity: 0.0489, inclination: 0.0228},
      {name: 'Saturn', distance: 9.537, period: 10759, color: '#deb887', eccentricity: 0.0565, inclination: 0.0436},
      {name: 'Uranus', distance: 19.191, period: 30687, color: '#40e0d0', eccentricity: 0.0464, inclination: 0.0135},
      {name: 'Neptune', distance: 30.068, period: 60190, color: '#4169e1', eccentricity: 0.0095, inclination: 0.0309}
    ];

    let planetVisibility = planets.map(() => true);

    function createLegend() {
      legendDiv.innerHTML = '';
      planets.forEach((planet, index) => {
        const item = document.createElement('div');
        item.className = 'legend-item';
        const colorBox = document.createElement('div');
        colorBox.className = 'color-box';
        colorBox.style.backgroundColor = planet.color
        if (!planetVisibility[index]) {
          colorBox.classList.add('hidden-planet');
        }
        const label = document.createElement('span');
        label.textContent = planet.name;
        if (!planetVisibility[index]) {
          label.classList.add('hidden-planet');
        }
        item.append(colorBox, label);
        legendDiv.appendChild(item);
        item.addEventListener('click', () => {
          planetVisibility[index] = !planetVisibility[index];
          if (planetVisibility[index]) {
            colorBox.classList.remove('hidden-planet');
            label.classList.remove('hidden-planet');
          } else {
            colorBox.classList.add('hidden-planet');
            label.classList.add('hidden-planet');
          }
          if (planet.name === 'Earth' && !planetVisibility[index] && frame === 'earth') {
            document.querySelector('input[name="frame"][value="sun"]').checked = true;
            frame = 'sun';
          }
          trajectories.forEach(arr => arr.length = 0);
        });
      });
    }

    initCanvas();
    createLegend();

    const maxDistance = planets[planets.length - 1].distance;
    const margin = 40;
    let maxOrbitRadius;

    function orbitRadius(ae) {
      return (ae / maxDistance) * maxOrbitRadius;
    }

    const J2000 = new Date('2000-01-01T12:00:00Z');
    let t = 0;
    let dt = 0.3;

    let frame = 'sun';
    const earthIndex = planets.findIndex(p => p.name === 'Earth');
    const trajectories = planets.map(() => []);

    let scale = 10;
    let offsetX = 0;
    let offsetY = 0;

    document.getElementById('controls').addEventListener('change', (e) => {
      if (e.target.name === 'frame') {
        frame = e.target.value;

        if (frame === 'earth') {
          const earthIdx = planets.findIndex(p => p.name === 'Earth');
          if (!planetVisibility[earthIdx]) {
            planetVisibility[earthIdx] = true;
            createLegend();
          }
        }

        trajectories.forEach(arr => arr.length = 0);
        offsetX = 0;
        offsetY = 0;
        scale = 10;
      }
    });


    const speedSlider = document.getElementById('speed-slider');
    speedSlider.addEventListener('input', (e) => {
      dt = parseFloat(e.target.value);
    });

    const datePicker = document.getElementById('date-picker');
datePicker.addEventListener('change', (e) => {
  const selectedDate = new Date(e.target.value + 'T12:00:00Z');
  const msInDay = 86400000;
  t = (selectedDate.getTime() - J2000.getTime()) / msInDay;
  isPaused = true;
  pauseBtn.textContent = 'Resume';
});

    let isPaused = false;
    const pauseBtn = document.getElementById('pause-btn');
    pauseBtn.addEventListener('click', () => {
      isPaused = !isPaused;
      pauseBtn.textContent = isPaused ? 'Resume' : 'Pause';
      if (!isPaused) {
        animate();
      }
    });

    canvas.addEventListener('wheel', e => {
      e.preventDefault();
      const zoomSpeed = 0.001;
      const prevScale = scale;
      scale += e.deltaY * -zoomSpeed * scale;
      scale = Math.max(0.1, Math.min(scale, 50));
      const scaleChange = scale / prevScale;
      offsetX = offsetX * scaleChange;
      offsetY = offsetY * scaleChange;
      trajectories.forEach(arr => arr.length = 0);
    }, {passive: false});

    let isDragging = false;
    let lastX, lastY;
    canvas.addEventListener('mousedown', e => {
      if (e.button === 0) {
        isDragging = true;
        lastX = e.clientX;
        lastY = e.clientY;
      }
    });
    window.addEventListener('mousemove', e => {
      if (!isDragging) return;
      const dx = e.clientX - lastX;
      const dy = e.clientY - lastY;
      offsetX += dx;
      offsetY += dy;
      lastX = e.clientX;
      lastY = e.clientY;
      trajectories.forEach(arr => arr.length = 0);
    });
    window.addEventListener('mouseup', () => {
      isDragging = false;
    });

    let lastTouchDistance = null;
    canvas.addEventListener('touchmove', function (e) {
      if (e.touches.length === 2) {
        e.preventDefault();
        const dx = e.touches[0].clientX - e.touches[1].clientX;
        const dy = e.touches[0].clientY - e.touches[1].clientY;
        const distance = Math.sqrt(dx * dx + dy * dy);
        if (lastTouchDistance !== null) {
          const zoomIntensity = 0.001;
          const delta = distance - lastTouchDistance;
          const prevScale = scale;
          scale *= (1 + zoomIntensity * delta);
          scale = Math.max(0.1, Math.min(scale, 50));
          const scaleChange = scale / prevScale;
          offsetX = offsetX * scaleChange;
          offsetY = offsetY * scaleChange;
          trajectories.forEach(arr => arr.length = 0);
        }
        lastTouchDistance = distance;
      }
    }, { passive: false });
    canvas.addEventListener('touchend', () => {
      lastTouchDistance = null;
    });

    function drawPoint(x, y, color, size = 4) {
      ctx.beginPath();
      ctx.fillStyle = color;
      ctx.shadowColor = color;
      ctx.shadowBlur = 8;
      ctx.arc(x, y, size, 0, Math.PI * 2);
      ctx.fill();
      ctx.shadowBlur = 0;
    }

    function getCurrentDate() {
      const msInDay = 86400000;
      const currentDate = new Date(J2000.getTime() + t * msInDay);
      return currentDate.toISOString().split('T')[0];
    }

    function solveKepler(M, e, tolerance = 1e-6) {
      let E = M;
      let delta;
      do {
        delta = (E - e * Math.sin(E) - M) / (1 - e * Math.cos(E));
        E -= delta;
      } while (Math.abs(delta) > tolerance);
      return E;
    }

    function getTrueAnomaly(E, e) {
      const cosTheta = (Math.cos(E) - e) / (1 - e * Math.cos(E));
      const sinTheta = Math.sqrt(1 - e * e) * Math.sin(E) / (1 - e * Math.cos(E));
      return Math.atan2(sinTheta, cosTheta);
    }

    function animate() {
      maxOrbitRadius = (canvas.width / 2) - margin;
      const centerX = canvas.width / 2 + offsetX;
      const centerY = canvas.height / 2 + offsetY;

      ctx.fillStyle = 'rgba(0, 0, 0, 0.1)';
      ctx.fillRect(0, 0, canvas.width, canvas.height);

      const positions = planets.map(planet => {
        const a = orbitRadius(planet.distance);
        const e = planet.eccentricity;
        const M = (2 * Math.PI * t) / planet.period;
        const E = solveKepler(M, e);
        const theta = getTrueAnomaly(E, e);
        const r = a * (1 - e * e) / (1 + e * Math.cos(theta));
        let x = r * Math.cos(theta);
        let y = r * Math.sin(theta);
        const inclination = planet.inclination;
        y *= Math.cos(inclination);
        return {
          x: centerX + x * scale,
          y: centerY + y * scale,
          color: planet.color,
          name: planet.name
        };
      });

      const earthPos = positions[earthIndex];

      ctx.strokeStyle = '#333';
      ctx.lineWidth = 1;
      ctx.setLineDash([3, 3]);

      planets.forEach((planet, i) => {
        if (!planetVisibility[i]) return;
        const a = orbitRadius(planet.distance) * scale;
        const e = planet.eccentricity;
        const b = a * Math.sqrt(1 - e * e);
        const inclination = planet.inclination;
        const scaledB = b * Math.cos(inclination);
        ctx.beginPath();
        if (frame === 'sun') {
          const focusOffset = a * e;
          ctx.ellipse(centerX + focusOffset, centerY, a, scaledB, 0, 0, Math.PI * 2);
        } else {
          ctx.ellipse(earthPos.x, earthPos.y, a, scaledB, 0, 0, Math.PI * 2);
        }
        ctx.stroke();
      });

      ctx.setLineDash([]);

      if (frame === 'sun') {
        drawPoint(centerX, centerY, '#ffff00', 6);
      } else {
        drawPoint(centerX, centerY, '#008000', 6);
        const sunX = centerX - (earthPos.x - centerX);
        const sunY = centerY - (earthPos.y - centerY);
        drawPoint(sunX, sunY, '#ffff00', 6);
      }

      positions.forEach((pos, i) => {
        if (!planetVisibility[i]) return;
        let drawX = pos.x;
        let drawY = pos.y;
        if (frame === 'earth') {
          drawX = centerX + (pos.x - earthPos.x);
          drawY = centerY + (pos.y - earthPos.y);
        }
        trajectories[i].push({x: drawX, y: drawY});
        if (trajectories[i].length > 300) {
          trajectories[i].shift();
        }
        if (trajectories[i].length > 1) {
          ctx.beginPath();
          ctx.strokeStyle = pos.color;
          ctx.lineWidth = 1.5;
          for (let j = 0; j < trajectories[i].length; j++) {
            const p = trajectories[i][j];
            if (j === 0) ctx.moveTo(p.x, p.y);
            else ctx.lineTo(p.x, p.y);
          }
          ctx.stroke();
        }
        drawPoint(drawX, drawY, pos.color, 3);
      });

      ctx.fillStyle = '#fff';
      ctx.font = '14px monospace';
      ctx.textAlign = 'center';
      const infoText = `Scale: ${scale.toFixed(2)}x | Speed: ${dt.toFixed(1)}dpf`;
      ctx.fillText(infoText, canvas.width / 2, 12);

      if (!isPaused) {
        t += dt;
        datePicker.value = getCurrentDate();
        if (t > 100000) t = 0;
        requestAnimationFrame(animate);
      }
    }

    animate();
    function toggleDonate() {
  const info = document.getElementById("cryptoInfo");
  const isOpening = info.style.display !== "flex";
  info.style.display = isOpening ? "flex" : "none";
  if (isOpening) {
    setTimeout(() => info.scrollIntoView({ behavior: 'smooth', block: 'nearest' }), 50);
  }
}

function copyToClipboard() {
  const addr = document.getElementById("cryptoAddr");
  const hint = document.getElementById("copyHint");
  const text = addr.innerText;
  navigator.clipboard.writeText(text).then(() => {
    addr.innerText = "Copied!";
    addr.style.color = "#00ff00";
    if (hint) hint.innerText = "Address saved to clipboard";
    setTimeout(() => {
      addr.innerText = text;
      addr.style.color = "#fff";
      if (hint) hint.innerText = "Click address to copy";
    }, 1500);
  });
}
  </script>
<footer>
  <div class="donate-box">
    <button class="donate-btn" onclick="toggleDonate()">Support</button>
    <div id="cryptoInfo" class="crypto-info">
      <span style="font-size: 10px; color: #fff; margin-bottom: 4px;">USDT BSC (BEP20)</span>
      <div id="cryptoAddr" class="crypto-address-display" onclick="copyToClipboard()">0x769192cea8fbb7207f086d95fd653ebc3adb0c72</div>
      <span id="copyHint" style="font-size: 9px; color: #fff; margin-top: 4px;">Click address to copy</span>
    </div>
  </div>
</footer>
</body>
</html>