65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
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/**
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* @author timothypratley / https://github.com/timothypratley
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* @author Mugen87 / https://github.com/Mugen87
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*/
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import { Geometry } from '../core/Geometry.js';
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import { PolyhedronBufferGeometry } from './PolyhedronGeometry.js';
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// IcosahedronGeometry
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function IcosahedronGeometry( radius, detail ) {
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Geometry.call( this );
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this.type = 'IcosahedronGeometry';
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this.parameters = {
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radius: radius,
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detail: detail
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};
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this.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );
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this.mergeVertices();
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}
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IcosahedronGeometry.prototype = Object.create( Geometry.prototype );
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IcosahedronGeometry.prototype.constructor = IcosahedronGeometry;
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// IcosahedronBufferGeometry
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function IcosahedronBufferGeometry( radius, detail ) {
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var t = ( 1 + Math.sqrt( 5 ) ) / 2;
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var vertices = [
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- 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,
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0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,
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t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1
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];
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var indices = [
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0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,
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1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,
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3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,
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4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1
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];
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PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );
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this.type = 'IcosahedronBufferGeometry';
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this.parameters = {
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radius: radius,
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detail: detail
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};
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}
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IcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );
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IcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;
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export { IcosahedronGeometry, IcosahedronBufferGeometry };
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