Initial commit

HTML/ThreeJS/node_modules/three/examples/js/loaders/XYZLoader.js

@@ -0,0 +1,91 @@
+( function () {
+
+	class XYZLoader extends THREE.Loader {
+
+		load( url, onLoad, onProgress, onError ) {
+
+			const scope = this;
+			const loader = new THREE.FileLoader( this.manager );
+			loader.setPath( this.path );
+			loader.setRequestHeader( this.requestHeader );
+			loader.setWithCredentials( this.withCredentials );
+			loader.load( url, function ( text ) {
+
+				try {
+
+					onLoad( scope.parse( text ) );
+
+				} catch ( e ) {
+
+					if ( onError ) {
+
+						onError( e );
+
+					} else {
+
+						console.error( e );
+
+					}
+
+					scope.manager.itemError( url );
+
+				}
+
+			}, onProgress, onError );
+
+		}
+
+		parse( text ) {
+
+			const lines = text.split( '\n' );
+			const vertices = [];
+			const colors = [];
+
+			for ( let line of lines ) {
+
+				line = line.trim();
+				if ( line.charAt( 0 ) === '#' ) continue; // skip comments
+
+				const lineValues = line.split( /\s+/ );
+
+				if ( lineValues.length === 3 ) {
+
+					// XYZ
+					vertices.push( parseFloat( lineValues[ 0 ] ) );
+					vertices.push( parseFloat( lineValues[ 1 ] ) );
+					vertices.push( parseFloat( lineValues[ 2 ] ) );
+
+				}
+
+				if ( lineValues.length === 6 ) {
+
+					// XYZRGB
+					vertices.push( parseFloat( lineValues[ 0 ] ) );
+					vertices.push( parseFloat( lineValues[ 1 ] ) );
+					vertices.push( parseFloat( lineValues[ 2 ] ) );
+					colors.push( parseFloat( lineValues[ 3 ] ) / 255 );
+					colors.push( parseFloat( lineValues[ 4 ] ) / 255 );
+					colors.push( parseFloat( lineValues[ 5 ] ) / 255 );
+
+				}
+
+			}
+
+			const geometry = new THREE.BufferGeometry();
+			geometry.setAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );
+
+			if ( colors.length > 0 ) {
+
+				geometry.setAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
+
+			}
+
+			return geometry;
+
+		}
+
+	}
+
+	THREE.XYZLoader = XYZLoader;
+
+} )();