add Potree (version 1.8)

PointCloudWeb.Web/public/Potree/libs/three.js/lines/Line2.js

@@ -0,0 +1,24 @@
+import { LineSegments2 } from '../lines/LineSegments2.js';
+import { LineGeometry } from '../lines/LineGeometry.js';
+import { LineMaterial } from '../lines/LineMaterial.js';
+
+var Line2 = function ( geometry, material ) {
+
+	if ( geometry === undefined ) geometry = new LineGeometry();
+	if ( material === undefined ) material = new LineMaterial( { color: Math.random() * 0xffffff } );
+
+	LineSegments2.call( this, geometry, material );
+
+	this.type = 'Line2';
+
+};
+
+Line2.prototype = Object.assign( Object.create( LineSegments2.prototype ), {
+
+	constructor: Line2,
+
+	isLine2: true
+
+} );
+
+export { Line2 };