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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Recursive Polygons in 3D with Snowflakes</title>
  <script src="https://aframe.io/releases/1.2.0/aframe.min.js"></script>
  <script src="https://unpkg.com/aframe-environment-component/dist/aframe-environment-component.min.js"></script>
  <style>
    #canvas {
      height: 500px;
      width: 800px;
    }
  </style>
</head>
<body>
  <a-scene>
    <a-entity environment="preset: forest"></a-entity>

    <!-- Existing Recursive Polygon Component -->
    <!-- ... Your existing entities ... -->

    <!-- Snowflakes Component -->
    <a-entity id="snowflakes"></a-entity>

    <a-entity camera position="0 1.6 0" look-controls wasd-controls></a-entity>
  </a-scene>

  <script>
    AFRAME.registerComponent('snowflake', {
      init: function() {
        this.el.setAttribute('geometry', {
          primitive: 'sphere',
          radius: 0.05
        });
        this.el.setAttribute('material', { color: '#FFF' });

        // Set initial position
        this.el.object3D.position.set(
          (Math.random() - 0.5) * 20,
          5 + Math.random() * 5,
          (Math.random() - 0.5) * 20
        );

        // Set velocity
        this.velocity = new THREE.Vector3(0, -0.05, 0);
      },
      tick: function() {
        this.el.object3D.position.add(this.velocity);
        if (this.el.object3D.position.y <= 0) {
          this.el.parentNode.removeChild(this.el); // Remove snowflake when it hits the ground
        }
      }
    });

    // Generate snowflakes
    setInterval(() => {
      let sceneEl = document.querySelector('a-scene');
      let snowflakeEl = document.createElement('a-entity');
      snowflakeEl.setAttribute('snowflake', '');
      sceneEl.appendChild(snowflakeEl);
    }, 100);
  </script>
</body>
</html>