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<!DOCTYPE html> |
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<html> |
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<head> |
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<meta charset="utf-8"> |
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<title>Recursive Polygons in 3D with Snowflakes</title> |
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<script src="https://aframe.io/releases/1.2.0/aframe.min.js"></script> |
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<script src="https://unpkg.com/aframe-environment-component/dist/aframe-environment-component.min.js"></script> |
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<style> |
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#canvas { |
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height: 500px; |
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width: 800px; |
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} |
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</style> |
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</head> |
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<body> |
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<a-scene> |
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<a-entity environment="preset: forest"></a-entity> |
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<a-entity id="snowflakes"></a-entity> |
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<a-entity camera position="0 1.6 0" look-controls wasd-controls></a-entity> |
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</a-scene> |
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<script> |
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AFRAME.registerComponent('snowflake', { |
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init: function() { |
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this.el.setAttribute('geometry', { |
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primitive: 'sphere', |
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radius: 0.05 |
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}); |
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this.el.setAttribute('material', { color: '#FFF' }); |
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this.el.object3D.position.set( |
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(Math.random() - 0.5) * 20, |
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5 + Math.random() * 5, |
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(Math.random() - 0.5) * 20 |
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); |
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this.velocity = new THREE.Vector3(0, -0.05, 0); |
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}, |
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tick: function() { |
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this.el.object3D.position.add(this.velocity); |
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if (this.el.object3D.position.y <= 0) { |
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this.el.parentNode.removeChild(this.el); |
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} |
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} |
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}); |
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setInterval(() => { |
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let sceneEl = document.querySelector('a-scene'); |
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let snowflakeEl = document.createElement('a-entity'); |
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snowflakeEl.setAttribute('snowflake', ''); |
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sceneEl.appendChild(snowflakeEl); |
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}, 100); |
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</script> |
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</body> |
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</html> |
