46 lines
1.2 KiB
TypeScript
46 lines
1.2 KiB
TypeScript
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import { Font, FontLoader, Mesh, ShapeGeometry, Vector3 } from "three";
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import { ColorMaterial } from "./ColorPalette";
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import { MoveMatrix } from "./GeUtils";
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class FontLoaderUtil
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{
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private static defFont:Font;
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static Load():Font
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{
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if(!this.defFont)
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{
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const f = require("../node_modules/three/examples/fonts/helvetiker_regular.typeface.json");
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let loader = new FontLoader();
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this.defFont = loader.parse(f);
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}
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return this.defFont;
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}
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}
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export class DbText extends Mesh
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{
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/**
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*
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* 构造一个文本对象,8位点(中心点下面)在0点
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* @param {string} str 数字字符串
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* @param {number} height 文本高度
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* @memberof DbText
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*/
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constructor(str:string,height:number = 5)
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{
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let font = FontLoaderUtil.Load();
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let shapes: THREE.Shape[] = font.generateShapes(str, height,0.1);
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let geometry = new ShapeGeometry(shapes);
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geometry.computeBoundingBox();
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super(geometry,ColorMaterial.GetLineMaterial(5));
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let center = geometry.boundingBox.getCenter(new Vector3());
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this.applyMatrix(MoveMatrix(new Vector3(-center.x,0,0)));
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}
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}
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