89 lines
2.0 KiB
JavaScript
89 lines
2.0 KiB
JavaScript
/**
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* @author Abe Pazos / https://hamoid.com
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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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// DodecahedronGeometry
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function DodecahedronGeometry( radius, detail ) {
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Geometry.call( this );
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this.type = 'DodecahedronGeometry';
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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 DodecahedronBufferGeometry( radius, detail ) );
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this.mergeVertices();
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}
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DodecahedronGeometry.prototype = Object.create( Geometry.prototype );
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DodecahedronGeometry.prototype.constructor = DodecahedronGeometry;
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// DodecahedronBufferGeometry
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function DodecahedronBufferGeometry( radius, detail ) {
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var t = ( 1 + Math.sqrt( 5 ) ) / 2;
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var r = 1 / t;
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var vertices = [
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// (±1, ±1, ±1)
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- 1, - 1, - 1, - 1, - 1, 1,
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- 1, 1, - 1, - 1, 1, 1,
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1, - 1, - 1, 1, - 1, 1,
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1, 1, - 1, 1, 1, 1,
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// (0, ±1/φ, ±φ)
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0, - r, - t, 0, - r, t,
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0, r, - t, 0, r, t,
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// (±1/φ, ±φ, 0)
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- r, - t, 0, - r, t, 0,
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r, - t, 0, r, t, 0,
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// (±φ, 0, ±1/φ)
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- t, 0, - r, t, 0, - r,
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- t, 0, r, t, 0, r
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];
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var indices = [
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3, 11, 7, 3, 7, 15, 3, 15, 13,
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7, 19, 17, 7, 17, 6, 7, 6, 15,
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17, 4, 8, 17, 8, 10, 17, 10, 6,
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8, 0, 16, 8, 16, 2, 8, 2, 10,
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0, 12, 1, 0, 1, 18, 0, 18, 16,
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6, 10, 2, 6, 2, 13, 6, 13, 15,
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2, 16, 18, 2, 18, 3, 2, 3, 13,
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18, 1, 9, 18, 9, 11, 18, 11, 3,
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4, 14, 12, 4, 12, 0, 4, 0, 8,
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11, 9, 5, 11, 5, 19, 11, 19, 7,
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19, 5, 14, 19, 14, 4, 19, 4, 17,
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1, 12, 14, 1, 14, 5, 1, 5, 9
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];
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PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );
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this.type = 'DodecahedronBufferGeometry';
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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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DodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );
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DodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;
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export { DodecahedronGeometry, DodecahedronBufferGeometry };
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