<!-- NEW3 — TEST 3 · THE RIVER'S JOURNEY · part 149 -->
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		if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();

		_sphere$1.copy( geometry.boundingSphere );
		_sphere$1.applyMatrix4( matrixWorld );
		_sphere$1.radius += threshold;

		if ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;

		//

		_inverseMatrix$1.copy( matrixWorld ).invert();
		_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );

		const localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );
		const localThresholdSq = localThreshold * localThreshold;

		const step = this.isLineSegments ? 2 : 1;

		const index = geometry.index;
		const attributes = geometry.attributes;
		const positionAttribute = attributes.position;

		if ( index !== null ) {

			const start = Math.max( 0, drawRange.start );
			const end = Math.min( index.count, ( drawRange.start + drawRange.count ) );

			for ( let i = start, l = end - 1; i < l; i += step ) {

				const a = index.getX( i );
				const b = index.getX( i + 1 );

				const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, i );

				if ( intersect ) {

					intersects.push( intersect );

				}

			}

			if ( this.isLineLoop ) {

				const a = index.getX( end - 1 );
				const b = index.getX( start );

				const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, end - 1 );

				if ( intersect ) {

					intersects.push( intersect );

				}

			}

		} else {

			const start = Math.max( 0, drawRange.start );
			const end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );

			for ( let i = start, l = end - 1; i < l; i += step ) {

				const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, i, i + 1, i );

				if ( intersect ) {

					intersects.push( intersect );

				}

			}

			if ( this.isLineLoop ) {

				const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, end - 1, start, end - 1 );

				if ( intersect ) {

					intersects.push( intersect );

				}

			}

		}

	}

	/**
	 * Sets the values of {@link Line#morphTargetDictionary} and {@link Line#morphTargetInfluences}
	 * to make sure existing morph targets can influence this 3D object.
	 */
	updateMorphTargets() {

		const geometry = this.geometry;

		const morphAttributes = geometry.morphAttributes;
		const keys = Object.keys( morphAttributes );

		if ( keys.length > 0 ) {

			const morphAttribute = morphAttributes[ keys[ 0 ] ];

			if ( morphAttribute !== undefined ) {

				this.morphTargetInfluences = [];
				this.morphTargetDictionary = {};

				for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {

					const name = morphAttribute[ m ].name || String( m );

					this.morphTargetInfluences.push( 0 );
					this.morphTargetDictionary[ name ] = m;

				}

			}

		}

	}

}

function checkIntersection( object, raycaster, ray, thresholdSq, a, b, i ) {

	const positionAttribute = object.geometry.attributes.position;

	_vStart.fromBufferAttribute( positionAttribute, a );
	_vEnd.fromBufferAttribute( positionAttribute, b );

	const distSq = ray.distanceSqToSegment( _vStart, _vEnd, _intersectPointOnRay, _intersectPointOnSegment );

	if ( distSq > thresholdSq ) return;

	_intersectPointOnRay.applyMatrix4( object.matrixWorld ); // Move back to world space for distance calculation

	const distance = raycaster.ray.origin.distanceTo( _intersectPointOnRay );

	if ( distance < raycaster.near || distance > raycaster.far ) return;

	return {

		distance: distance,
		// What do we want? intersection point on the ray or on the segment??
		// point: raycaster.ray.at( distance ),
		point: _intersectPointOnSegment.clone().applyMatrix4( object.matrixWorld ),
		index: i,
		face: null,
		faceIndex: null,
		barycoord: null,
		object: object

	};

}

const _start = /*@__PURE__*/ new Vector3();
const _end = /*@__PURE__*/ new Vector3();

/**
 * A series of lines drawn between pairs of vertices.
 *
 * @augments Line
 */
class LineSegments extends Line {

	/**
	 * Constructs a new line segments.
	 *
	 * @param {BufferGeometry} [geometry] - The line geometry.
	 * @param {Material|Array<Material>} [material] - The line material.
	 */
	constructor( geometry, material ) {

		super( geometry, material );

		/**
		 * This flag can be used for type testing.
		 *
		 * @type {boolean}
		 * @readonly
		 * @default true
		 */
		this.isLineSegments = true;

		this.type = 'LineSegments';

	}

	computeLineDistances() {

		const geometry = this.geometry;

		// we assume non-indexed geometry

		if ( geometry.index === null ) {

			const positionAttribute = geometry.attributes.position;
			const lineDistances = [];

			for ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {

				_start.fromBufferAttribute( positionAttribute, i );
				_end.fromBufferAttribute( positionAttribute, i + 1 );

				lineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];
				lineDistances[ i + 1 ]