Twinkling Stars Chandelier

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Twinkling Stars Chandelier</title>
  <style>
    body {
      margin: 0;
      padding: 0;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      background-color: #1e1e1e;
    }
    canvas {
      background-color: #3f3f3f;
    }
  </style>
</head>
<body>
<canvas id="twinklingStarsCanvas"></canvas>
<script>
  const canvas = document.getElementById('twinklingStarsCanvas');
  const ctx = canvas.getContext('2d');
  canvas.width = window.innerWidth;
  canvas.height = window.innerHeight;
  const chandelier = {
    lines: [],
    numberOfLines: 20,
    maxLength: 200,
    swingSpeed: 0.03,
    maxSwingAngle: 0.25
  };
  for (let i = 0; i < chandelier.numberOfLines; i++) {
    chandelier.lines.push({
      x: canvas.width / 2 - chandelier.numberOfLines * 10 + i * 20,
      y: 100,
      length: Math.random() * chandelier.maxLength,
      swingAngle: Math.random() * Math.PI * 2,
      swingSpeed: chandelier.swingSpeed + Math.random() * 0.02
    });
  }
  function drawChandelier() {
    ctx.clearRect(0, 0, canvas.width, canvas.height);
    chandelier.lines.forEach(line => {
      const swing = Math.sin(line.swingAngle) * chandelier.maxSwingAngle;
      const endX = line.x + line.length * Math.sin(swing);
      const endY = line.y + line.length * Math.cos(swing);
      ctx.strokeStyle = '#fff';
      ctx.lineWidth = 2;
      ctx.beginPath();
      ctx.moveTo(line.x, line.y);
      ctx.lineTo(endX, endY);
      ctx.stroke();
      drawLightBulb(endX, endY);
    });
  }
  function drawLightBulb(x, y) {
    const twinkleFactor = Math.random() * 0.5 + 0.5; // Twinkle effect
    ctx.fillStyle = `rgba(255, 255, 0, ${twinkleFactor})`;
    ctx.beginPath();
    ctx.arc(x, y, 12, 0, Math.PI * 2);
    ctx.fill();
  }
  function updateChandelier() {
    chandelier.lines.forEach(line => {
      line.swingAngle += line.swingSpeed;
      if (line.swingAngle > Math.PI * 2) {
        line.swingAngle = 0;
      }
    });
  }
  function animate() {
    updateChandelier();
    drawChandelier();
    requestAnimationFrame(animate);
  }
  animate();
</script>
</body>
</html>

Twinkling Stars Chandelier - MeggiTools