text: import { LineSegmentsGeometry } from './LineSegmentsGeometry.js';
  
  class LineGeometry extends LineSegmentsGeometry {
  
  	constructor() {
  
  		super();
  		this.type = 'LineGeometry';
  
  	}
  
  	setPositions( 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 ];
  
  		}
  
  		super.setPositions( points );
  
  		return this;
  
  	}
  
  	setColors( 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 ];
  
  		}
  
  		super.setColors( colors );
  
  		return this;
  
  	}
  
  	fromLine( line ) {
  
  		var geometry = line.geometry;
  
  		if ( geometry.isGeometry ) {
  
  			console.error( 'THREE.LineGeometry no longer supports Geometry. Use THREE.BufferGeometry instead.' );
  			return;
  
  		} else if ( geometry.isBufferGeometry ) {
  
  			this.setPositions( geometry.attributes.position.array ); // assumes non-indexed
  
  		}
  
  		// set colors, maybe
  
  		return this;
  
  	}
  
  }
  
  LineGeometry.prototype.isLineGeometry = true;
  
  export { LineGeometry };
  