text: /**
   * @author WestLangley / http://github.com/WestLangley
   *
   */
  
  
  import { LineSegmentsGeometry } from "../lines/LineSegmentsGeometry.js";
  
  var LineGeometry = function () {
  
  	LineSegmentsGeometry.call( this );
  
  	this.type = 'LineGeometry';
  
  };
  
  LineGeometry.prototype = Object.assign( Object.create( LineSegmentsGeometry.prototype ), {
  
  	constructor: LineGeometry,
  
  	isLineGeometry: true,
  
  	setPositions: function ( array ) {
  
  		// converts [ x1, y1, z1,  x2, y2, z2, ... ] to pairs format
  
  		var length = array.length - 3;
  		var points = new Float32Array( 2 * length );
  
  		for ( var i = 0; i < length; i += 3 ) {
  
  			points[ 2 * i ] = array[ i ];
  			points[ 2 * i + 1 ] = array[ i + 1 ];
  			points[ 2 * i + 2 ] = array[ i + 2 ];
  
  			points[ 2 * i + 3 ] = array[ i + 3 ];
  			points[ 2 * i + 4 ] = array[ i + 4 ];
  			points[ 2 * i + 5 ] = array[ i + 5 ];
  
  		}
  
  		LineSegmentsGeometry.prototype.setPositions.call( this, points );
  
  		return this;
  
  	},
  
  	setColors: function ( array ) {
  
  		// converts [ r1, g1, b1,  r2, g2, b2, ... ] to pairs format
  
  		var length = array.length - 3;
  		var colors = new Float32Array( 2 * length );
  
  		for ( var i = 0; i < length; i += 3 ) {
  
  			colors[ 2 * i ] = array[ i ];
  			colors[ 2 * i + 1 ] = array[ i + 1 ];
  			colors[ 2 * i + 2 ] = array[ i + 2 ];
  
  			colors[ 2 * i + 3 ] = array[ i + 3 ];
  			colors[ 2 * i + 4 ] = array[ i + 4 ];
  			colors[ 2 * i + 5 ] = array[ i + 5 ];
  
  		}
  
  		LineSegmentsGeometry.prototype.setColors.call( this, colors );
  
  		return this;
  
  	},
  
  	fromLine: function ( line ) {
  
  		var geometry = line.geometry;
  
  		if ( geometry.isGeometry ) {
  
  			this.setPositions( geometry.vertices );
  
  		} else if ( geometry.isBufferGeometry ) {
  
  			this.setPositions( geometry.position.array ); // assumes non-indexed
  
  		}
  
  		// set colors, maybe
  
  		return this;
  
  	},
  
  	copy: function ( /* source */ ) {
  
  		// todo
  
  		return this;
  
  	}
  
  } );
  
  export { LineGeometry };
  