最新代码

public/sdk/3rdparty/three/jsm/geometries/TextGeometry.js

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+/**
+ * Text = 3D Text
+ *
+ * parameters = {
+ *  font: <THREE.Font>, // font
+ *
+ *  size: <float>, // size of the text
+ *  depth: <float>, // thickness to extrude text
+ *  curveSegments: <int>, // number of points on the curves
+ *
+ *  bevelEnabled: <bool>, // turn on bevel
+ *  bevelThickness: <float>, // how deep into text bevel goes
+ *  bevelSize: <float>, // how far from text outline (including bevelOffset) is bevel
+ *  bevelOffset: <float> // how far from text outline does bevel start
+ * }
+ */
+
+import {
+	ExtrudeGeometry
+} from '../../three.module.min.js';
+
+class TextGeometry extends ExtrudeGeometry {
+
+	constructor( text, parameters = {} ) {
+
+		const font = parameters.font;
+
+		if ( font === undefined ) {
+
+			super(); // generate default extrude geometry
+
+		} else {
+
+			const shapes = font.generateShapes( text, parameters.size );
+
+			// translate parameters to ExtrudeGeometry API
+
+			if ( parameters.depth === undefined && parameters.height !== undefined ) {
+
+				console.warn( 'THREE.TextGeometry: .height is now depreciated. Please use .depth instead' ); // @deprecated, r163
+
+			}
+
+			parameters.depth = parameters.depth !== undefined ?
+				parameters.depth : parameters.height !== undefined ?
+					parameters.height : 50;
+
+			// defaults
+
+			if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;
+			if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;
+			if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;
+
+			super( shapes, parameters );
+
+		}
+
+		this.type = 'TextGeometry';
+
+	}
+
+}
+
+
+export { TextGeometry };

public/sdk/3rdparty/three/jsm/loaders/FontLoader.js

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+import {
+	FileLoader,
+	Loader,
+	ShapePath
+} from '../../three.module.min.js';
+
+class FontLoader extends Loader {
+
+	constructor( manager ) {
+
+		super( manager );
+
+	}
+
+	load( url, onLoad, onProgress, onError ) {
+
+		const scope = this;
+
+		const loader = new FileLoader( this.manager );
+		loader.setPath( this.path );
+		loader.setRequestHeader( this.requestHeader );
+		loader.setWithCredentials( this.withCredentials );
+		loader.load( url, function ( text ) {
+
+			const font = scope.parse( JSON.parse( text ) );
+
+			if ( onLoad ) onLoad( font );
+
+		}, onProgress, onError );
+
+	}
+
+	parse( json ) {
+
+		return new Font( json );
+
+	}
+
+}
+
+//
+
+class Font {
+
+	constructor( data ) {
+
+		this.isFont = true;
+
+		this.type = 'Font';
+
+		this.data = data;
+
+	}
+
+	generateShapes( text, size = 100 ) {
+
+		const shapes = [];
+		const paths = createPaths( text, size, this.data );
+
+		for ( let p = 0, pl = paths.length; p < pl; p ++ ) {
+
+			shapes.push( ...paths[ p ].toShapes() );
+
+		}
+
+		return shapes;
+
+	}
+
+}
+
+function createPaths( text, size, data ) {
+
+	const chars = Array.from( text );
+	const scale = size / data.resolution;
+	const line_height = ( data.boundingBox.yMax - data.boundingBox.yMin + data.underlineThickness ) * scale;
+
+	const paths = [];
+
+	let offsetX = 0, offsetY = 0;
+
+	for ( let i = 0; i < chars.length; i ++ ) {
+
+		const char = chars[ i ];
+
+		if ( char === '\n' ) {
+
+			offsetX = 0;
+			offsetY -= line_height;
+
+		} else {
+
+			const ret = createPath( char, scale, offsetX, offsetY, data );
+			offsetX += ret.offsetX;
+			paths.push( ret.path );
+
+		}
+
+	}
+
+	return paths;
+
+}
+
+function createPath( char, scale, offsetX, offsetY, data ) {
+
+	const glyph = data.glyphs[ char ] || data.glyphs[ '?' ];
+
+	if ( ! glyph ) {
+
+		console.error( 'THREE.Font: character "' + char + '" does not exists in font family ' + data.familyName + '.' );
+
+		return;
+
+	}
+
+	const path = new ShapePath();
+
+	let x, y, cpx, cpy, cpx1, cpy1, cpx2, cpy2;
+
+	if ( glyph.o ) {
+
+		const outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );
+
+		for ( let i = 0, l = outline.length; i < l; ) {
+
+			const action = outline[ i ++ ];
+
+			switch ( action ) {
+
+				case 'm': // moveTo
+
+					x = outline[ i ++ ] * scale + offsetX;
+					y = outline[ i ++ ] * scale + offsetY;
+
+					path.moveTo( x, y );
+
+					break;
+
+				case 'l': // lineTo
+
+					x = outline[ i ++ ] * scale + offsetX;
+					y = outline[ i ++ ] * scale + offsetY;
+
+					path.lineTo( x, y );
+
+					break;
+
+				case 'q': // quadraticCurveTo
+
+					cpx = outline[ i ++ ] * scale + offsetX;
+					cpy = outline[ i ++ ] * scale + offsetY;
+					cpx1 = outline[ i ++ ] * scale + offsetX;
+					cpy1 = outline[ i ++ ] * scale + offsetY;
+
+					path.quadraticCurveTo( cpx1, cpy1, cpx, cpy );
+
+					break;
+
+				case 'b': // bezierCurveTo
+
+					cpx = outline[ i ++ ] * scale + offsetX;
+					cpy = outline[ i ++ ] * scale + offsetY;
+					cpx1 = outline[ i ++ ] * scale + offsetX;
+					cpy1 = outline[ i ++ ] * scale + offsetY;
+					cpx2 = outline[ i ++ ] * scale + offsetX;
+					cpy2 = outline[ i ++ ] * scale + offsetY;
+
+					path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );
+
+					break;
+
+			}
+
+		}
+
+	}
+
+	return { offsetX: glyph.ha * scale, path: path };
+
+}
+
+export { FontLoader, Font };