| <!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> |
|
|
| |
| |
|
|
| |
| <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' }); |
| |
| |
| this.el.object3D.position.set( |
| (Math.random() - 0.5) * 20, |
| 5 + Math.random() * 5, |
| (Math.random() - 0.5) * 20 |
| ); |
| |
| |
| 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); |
| } |
| } |
| }); |
| |
| |
| setInterval(() => { |
| let sceneEl = document.querySelector('a-scene'); |
| let snowflakeEl = document.createElement('a-entity'); |
| snowflakeEl.setAttribute('snowflake', ''); |
| sceneEl.appendChild(snowflakeEl); |
| }, 100); |
| </script> |
| </body> |
| </html> |
