<!-- AVATAR-FORGE · part 179 -->
			console.error( 'THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.' );

		}

		_worldScale.setFromMatrixScale( this.matrixWorld );

		_viewWorldMatrix.copy( raycaster.camera.matrixWorld );
		this.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );

		_mvPosition.setFromMatrixPosition( this.modelViewMatrix );

		if ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {

			_worldScale.multiplyScalar( - _mvPosition.z );

		}

		const rotation = this.material.rotation;
		let sin, cos;

		if ( rotation !== 0 ) {

			cos = Math.cos( rotation );
			sin = Math.sin( rotation );

		}

		const center = this.center;

		transformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );
		transformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );
		transformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );

		_uvA.set( 0, 0 );
		_uvB.set( 1, 0 );
		_uvC.set( 1, 1 );

		// check first triangle
		let intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );

		if ( intersect === null ) {

			// check second triangle
			transformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );
			_uvB.set( 0, 1 );

			intersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );
			if ( intersect === null ) {

				return;

			}

		}

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

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

		intersects.push( {

			distance: distance,
			point: _intersectPoint.clone(),
			uv: Triangle.getInterpolation( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),
			face: null,
			object: this

		} );

	}

	copy( source, recursive ) {

		super.copy( source, recursive );

		if ( source.center !== undefined ) this.center.copy( source.center );

		this.material = source.material;

		return this;

	}

}

function transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {

	// compute position in camera space
	_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );

	// to check if rotation is not zero
	if ( sin !== undefined ) {

		_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );
		_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );

	} else {

		_rotatedPosition.copy( _alignedPosition );

	}


	vertexPosition.copy( mvPosition );
	vertexPosition.x += _rotatedPosition.x;
	vertexPosition.y += _rotatedPosition.y;

	// transform to world space
	vertexPosition.applyMatrix4( _viewWorldMatrix );

}

const _v1$2 = /*@__PURE__*/ new Vector3();
const _v2$1 = /*@__PURE__*/ new Vector3();

class LOD extends Object3D {

	constructor() {

		super();

		this._currentLevel = 0;

		this.type = 'LOD';

		Object.defineProperties( this, {
			levels: {
				enumerable: true,
				value: []
			},
			isLOD: {
				value: true,
			}
		} );

		this.autoUpdate = true;

	}

	copy( source ) {

		super.copy( source, false );

		const levels = source.levels;

		for ( let i = 0, l = levels.length; i < l; i ++ ) {

			const level = levels[ i ];

			this.addLevel( level.object.clone(), level.distance, level.hysteresis );

		}

		this.autoUpdate = source.autoUpdate;

		return this;

	}

	addLevel( object, distance = 0, hysteresis = 0 ) {

		distance = Math.abs( distance );

		const levels = this.levels;

		let l;

		for ( l = 0; l < levels.length; l ++ ) {

			if ( distance < levels[ l ].distance ) {

				break;

			}

		}

		levels.splice( l, 0, { distance: distance, hysteresis: hysteresis, object: object } );

		this.add( object );

		return this;

	}

	getCurrentLevel() {

		return this._currentLevel;

	}


	getObjectForDistance( distance ) {

		const levels = this.levels;

		if ( levels.length > 0 ) {

			let i, l;

			for ( i = 1, l = levels.length; i < l; i ++ ) {

				let levelDistance = levels[ i ].distance;

				if ( levels[ i ].object.visible ) {

					levelDistance -= levelDistance * levels[ i ].hysteresis;

				}

				if ( distance < levelDistance ) {

					break;

				}

			}

			return levels[ i - 1 ].object;

		}

		return null;

	}

	raycast( raycaster, intersects ) {

		const levels = this.levels;

		if ( levels.length > 0 ) {

			_v1$2.setFromMatrixPosition( this.matrixWorld );

			const distance = raycaster.ray.origin.distanceTo( _v1$2 );

			this.getObjectForDistance( distance ).raycast( raycaster, intersects );

		}

	}

	update( camera ) {

		const levels = this.levels;

		if ( levels.length > 1 ) {

			_v1$2.setFromMatrixPosition( camera.matrixWorld );
			_v2$1.setFromMatrixPosition( this.matrixWorld );

			const distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;

			levels[ 0 ].object.visible = true;

			let i, l;

			for ( i = 1, l = levels.length; i <