From 98cdd8cac25759aad77e9000217014f02fd88c0a Mon Sep 17 00:00:00 2001
From: jjspace <8007967+jjspace@users.noreply.github.com>
Date: Thu, 23 Jan 2025 17:17:37 -0500
Subject: [PATCH] move files, basic build functions

---
 gulpfile.js                                   |  6 ++
 package.json                                  |  3 +-
 packages/core/.gitignore                      |  4 +
 .../Source}/ApproximateTerrainHeights.js      |  0
 .../ArcGISTiledElevationTerrainProvider.js    |  0
 .../Source/Core => core/Source}/ArcType.js    |  0
 .../Source}/ArticulationStageType.js          |  0
 .../Core => core/Source}/AssociativeArray.js  |  0
 .../Source}/AttributeCompression.js           |  0
 .../Source}/AxisAlignedBoundingBox.js         |  0
 .../Source}/BingMapsGeocoderService.js        |  0
 .../Core => core/Source}/BoundingRectangle.js |  0
 .../Core => core/Source}/BoundingSphere.js    |  0
 .../Core => core/Source}/BoxGeometry.js       |  0
 .../Source}/BoxOutlineGeometry.js             |  0
 .../Source/Core => core/Source}/Cartesian2.js |  0
 .../Source/Core => core/Source}/Cartesian3.js |  0
 .../Source/Core => core/Source}/Cartesian4.js |  0
 .../Core => core/Source}/Cartographic.js      |  0
 .../Source}/CartographicGeocoderService.js    |  0
 .../Core => core/Source}/CatmullRomSpline.js  |  0
 .../Source}/CesiumTerrainProvider.js          |  0
 .../Source/Core => core/Source}/Check.d.ts    |  0
 .../Source/Core => core/Source}/Check.js      |  0
 .../Core => core/Source}/CircleGeometry.js    |  0
 .../Source}/CircleOutlineGeometry.js          |  0
 .../Source/Core => core/Source}/Clock.js      |  0
 .../Source/Core => core/Source}/ClockRange.js |  0
 .../Source/Core => core/Source}/ClockStep.js  |  0
 .../Source/Core => core/Source}/Color.js      |  0
 .../Source}/ColorGeometryInstanceAttribute.js |  0
 .../Core => core/Source}/ComponentDatatype.js |  0
 .../Source}/CompressedTextureBuffer.js        |  0
 .../Core => core/Source}/ConstantSpline.js    |  0
 .../Source}/CoplanarPolygonGeometry.js        |  0
 .../Source}/CoplanarPolygonGeometryLibrary.js |  0
 .../Source}/CoplanarPolygonOutlineGeometry.js |  0
 .../Source/Core => core/Source}/CornerType.js |  0
 .../Core => core/Source}/CorridorGeometry.js  |  0
 .../Source}/CorridorGeometryLibrary.js        |  0
 .../Source}/CorridorOutlineGeometry.js        |  0
 .../Source/Core => core/Source}/Credit.js     |  0
 .../Source}/CubicRealPolynomial.js            |  0
 .../Core => core/Source}/CullingVolume.js     |  0
 .../Source}/CustomHeightmapTerrainProvider.js |  0
 .../Core => core/Source}/CylinderGeometry.js  |  0
 .../Source}/CylinderGeometryLibrary.js        |  0
 .../Source}/CylinderOutlineGeometry.js        |  0
 .../Core => core/Source}/DefaultProxy.js      |  0
 .../Core => core/Source}/DeveloperError.js    |  0
 .../Source}/DistanceDisplayCondition.js       |  0
 ...splayConditionGeometryInstanceAttribute.js |  0
 .../Source}/DoubleEndedPriorityQueue.js       |  0
 .../Core => core/Source}/DoublyLinkedList.js  |  0
 .../Source}/EarthOrientationParameters.js     |  0
 .../EarthOrientationParametersSample.js       |  0
 .../Core => core/Source}/EasingFunction.js    |  0
 .../Core => core/Source}/EllipseGeometry.js   |  0
 .../Source}/EllipseGeometryLibrary.js         |  0
 .../Source}/EllipseOutlineGeometry.js         |  0
 .../Source/Core => core/Source}/Ellipsoid.js  |  0
 .../Core => core/Source}/EllipsoidGeodesic.js |  0
 .../Core => core/Source}/EllipsoidGeometry.js |  0
 .../Source}/EllipsoidOutlineGeometry.js       |  0
 .../Source}/EllipsoidRhumbLine.js             |  0
 .../Source}/EllipsoidTangentPlane.js          |  0
 .../Source}/EllipsoidTerrainProvider.js       |  0
 .../Source}/EllipsoidalOccluder.js            |  0
 .../Core => core/Source}/EncodedCartesian3.js |  0
 .../Source/Core => core/Source}/Event.js      |  0
 .../Core => core/Source}/EventHelper.js       |  0
 .../Core => core/Source}/ExtrapolationType.js |  0
 .../Core => core/Source}/FeatureDetection.js  |  0
 .../Core => core/Source}/FrustumGeometry.js   |  0
 .../Source}/FrustumOutlineGeometry.js         |  0
 .../Source/Core => core/Source}/Fullscreen.js |  0
 .../Core => core/Source}/GeocodeType.js       |  0
 .../Core => core/Source}/GeocoderService.js   |  0
 .../Source}/GeographicProjection.js           |  0
 .../Source}/GeographicTilingScheme.js         |  0
 .../Source/Core => core/Source}/Geometry.js   |  0
 .../Core => core/Source}/GeometryAttribute.js |  0
 .../Source}/GeometryAttributes.js             |  0
 .../Core => core/Source}/GeometryFactory.js   |  0
 .../Core => core/Source}/GeometryInstance.js  |  0
 .../Source}/GeometryInstanceAttribute.js      |  0
 .../Source}/GeometryOffsetAttribute.js        |  0
 .../Core => core/Source}/GeometryPipeline.js  |  0
 .../Core => core/Source}/GeometryType.js      |  0
 .../Source}/GoogleEarthEnterpriseMetadata.js  |  0
 .../GoogleEarthEnterpriseTerrainData.js       |  0
 .../GoogleEarthEnterpriseTerrainProvider.js   |  0
 .../GoogleEarthEnterpriseTileInformation.js   |  0
 .../Source}/GoogleGeocoderService.js          |  0
 .../Source/Core => core/Source}/GoogleMaps.js |  0
 .../Core => core/Source}/GregorianDate.js     |  0
 .../Source}/GroundPolylineGeometry.js         |  0
 .../Core => core/Source}/HeadingPitchRange.js |  0
 .../Core => core/Source}/HeadingPitchRoll.js  |  0
 .../Source/Core => core/Source}/Heap.js       |  0
 .../Core => core/Source}/HeightmapEncoding.js |  0
 .../Source}/HeightmapTerrainData.js           |  0
 .../Source}/HeightmapTessellator.js           |  0
 .../Source}/HermitePolynomialApproximation.js |  0
 .../Core => core/Source}/HermiteSpline.js     |  0
 .../Core => core/Source}/HilbertOrder.js      |  0
 .../Core => core/Source}/ITwinPlatform.js     |  0
 .../Source}/Iau2000Orientation.js             |  0
 .../Core => core/Source}/Iau2006XysData.js    |  0
 .../Core => core/Source}/Iau2006XysSample.js  |  0
 .../Source}/IauOrientationAxes.js             |  0
 .../Source}/IauOrientationParameters.js       |  0
 .../Core => core/Source}/IndexDatatype.js     |  0
 .../Source}/InterpolationAlgorithm.js         |  0
 .../Core => core/Source}/InterpolationType.js |  0
 .../Source/Core => core/Source}/Intersect.js  |  0
 .../Core => core/Source}/IntersectionTests.js |  0
 .../Core => core/Source}/Intersections2D.js   |  0
 .../Source/Core => core/Source}/Interval.js   |  0
 .../Source/Core => core/Source}/Ion.js        |  0
 .../Source}/IonGeocodeProviderType.js         |  0
 .../Source}/IonGeocoderService.js             |  0
 .../Core => core/Source}/IonResource.js       |  0
 .../Source/Core => core/Source}/Iso8601.js    |  0
 .../Source/Core => core/Source}/JulianDate.js |  0
 .../Core => core/Source}/KTX2Transcoder.js    |  0
 .../Source}/KeyboardEventModifier.js          |  0
 .../LagrangePolynomialApproximation.js        |  0
 .../Source/Core => core/Source}/LeapSecond.js |  0
 .../Source}/LinearApproximation.js            |  0
 .../Core => core/Source}/LinearSpline.js      |  0
 .../Core => core/Source}/ManagedArray.js      |  0
 .../Core => core/Source}/MapProjection.js     |  0
 .../Source/Core => core/Source}/Math.js       |  0
 .../Source/Core => core/Source}/Matrix2.js    |  0
 .../Source/Core => core/Source}/Matrix3.js    |  0
 .../Source/Core => core/Source}/Matrix4.js    |  0
 .../Core => core/Source}/MorphWeightSpline.js |  0
 .../Core => core/Source}/MortonOrder.js       |  0
 .../Core => core/Source}/NearFarScalar.js     |  0
 .../Source/Core => core/Source}/Occluder.js   |  0
 .../OffsetGeometryInstanceAttribute.js        |  0
 .../Source}/OpenCageGeocoderService.js        |  0
 .../Source}/OrientedBoundingBox.js            |  0
 .../Source}/OrthographicFrustum.js            |  0
 .../Source}/OrthographicOffCenterFrustum.js   |  0
 .../Source/Core => core/Source}/Packable.js   |  0
 .../Source}/PackableForInterpolation.js       |  0
 .../Source}/PeliasGeocoderService.js          |  0
 .../Source}/PerspectiveFrustum.js             |  0
 .../Source}/PerspectiveOffCenterFrustum.js    |  0
 .../Source/Core => core/Source}/PinBuilder.js |  0
 .../Core => core/Source}/PixelFormat.js       |  0
 .../Source/Core => core/Source}/Plane.js      |  0
 .../Core => core/Source}/PlaneGeometry.js     |  0
 .../Source}/PlaneOutlineGeometry.js           |  0
 .../Core => core/Source}/PolygonGeometry.js   |  0
 .../Source}/PolygonGeometryLibrary.js         |  0
 .../Core => core/Source}/PolygonHierarchy.js  |  0
 .../Source}/PolygonOutlineGeometry.js         |  0
 .../Core => core/Source}/PolygonPipeline.js   |  0
 .../Core => core/Source}/PolylineGeometry.js  |  0
 .../Core => core/Source}/PolylinePipeline.js  |  0
 .../Source}/PolylineVolumeGeometry.js         |  0
 .../Source}/PolylineVolumeGeometryLibrary.js  |  0
 .../Source}/PolylineVolumeOutlineGeometry.js  |  0
 .../Core => core/Source}/PrimitiveType.js     |  0
 .../Source/Core => core/Source}/Proxy.js      |  0
 .../Source}/QuadraticRealPolynomial.js        |  0
 .../Source}/QuantizedMeshTerrainData.js       |  0
 .../Source}/QuarticRealPolynomial.js          |  0
 .../Source/Core => core/Source}/Quaternion.js |  0
 .../Core => core/Source}/QuaternionSpline.js  |  0
 .../Source/Core => core/Source}/Queue.js      |  0
 .../Source/Core => core/Source}/Ray.js        |  0
 .../Source/Core => core/Source}/Rectangle.js  |  0
 .../Source}/RectangleCollisionChecker.js      |  0
 .../Core => core/Source}/RectangleGeometry.js |  0
 .../Source}/RectangleGeometryLibrary.js       |  0
 .../Source}/RectangleOutlineGeometry.js       |  0
 .../Core => core/Source}/ReferenceFrame.js    |  0
 .../Source/Core => core/Source}/Request.js    |  0
 .../Core => core/Source}/RequestErrorEvent.js |  0
 .../Core => core/Source}/RequestScheduler.js  |  0
 .../Core => core/Source}/RequestState.js      |  0
 .../Core => core/Source}/RequestType.js       |  0
 .../Source/Core => core/Source}/Resource.js   |  0
 .../Core => core/Source}/RuntimeError.js      |  0
 .../Source/Core => core/Source}/S2Cell.js     |  0
 .../Source}/ScreenSpaceEventHandler.js        |  0
 .../Source}/ScreenSpaceEventType.js           |  0
 .../Source}/ShowGeometryInstanceAttribute.js  |  0
 .../Source}/Simon1994PlanetaryPositions.js    |  0
 .../Source}/SimplePolylineGeometry.js         |  0
 .../Core => core/Source}/SphereGeometry.js    |  0
 .../Source}/SphereOutlineGeometry.js          |  0
 .../Source/Core => core/Source}/Spherical.js  |  0
 .../Source/Core => core/Source}/Spline.js     |  0
 .../Core => core/Source}/SteppedSpline.js     |  0
 .../Core => core/Source}/Stereographic.js     |  0
 .../Core => core/Source}/TaskProcessor.js     |  0
 .../Core => core/Source}/TerrainData.js       |  0
 .../Core => core/Source}/TerrainEncoding.js   |  0
 .../Core => core/Source}/TerrainMesh.js       |  0
 .../Core => core/Source}/TerrainProvider.js   |  0
 .../Source}/TerrainQuantization.js            |  0
 .../Core => core/Source}/TileAvailability.js  |  0
 .../Source/Core => core/Source}/TileEdge.js   |  0
 .../Core => core/Source}/TileProviderError.js |  0
 .../Core => core/Source}/TilingScheme.js      |  0
 .../Core => core/Source}/TimeConstants.js     |  0
 .../Core => core/Source}/TimeInterval.js      |  0
 .../Source}/TimeIntervalCollection.js         |  0
 .../Core => core/Source}/TimeStandard.js      |  0
 .../Source/Core => core/Source}/Tipsify.js    |  0
 .../Source}/TrackingReferenceFrame.js         |  0
 .../Source/Core => core/Source}/Transforms.js |  0
 .../Source}/TranslationRotationScale.js       |  0
 .../Source}/TridiagonalSystemSolver.js        |  0
 .../Core => core/Source}/TrustedServers.js    |  0
 .../Source}/VRTheWorldTerrainProvider.js      |  0
 .../Core => core/Source}/VertexFormat.js      |  0
 .../Source}/VerticalExaggeration.js           |  0
 .../Core => core/Source}/VideoSynchronizer.js |  0
 .../Source/Core => core/Source}/Visibility.js |  0
 .../Core => core/Source}/VulkanConstants.js   |  0
 .../Core => core/Source}/WallGeometry.js      |  0
 .../Source}/WallGeometryLibrary.js            |  0
 .../Source}/WallOutlineGeometry.js            |  0
 .../Core => core/Source}/WebGLConstants.js    |  0
 .../Source}/WebMercatorProjection.js          |  0
 .../Source}/WebMercatorTilingScheme.js        |  0
 .../Core => core/Source}/WindingOrder.js      |  0
 .../Source}/WireframeIndexGenerator.js        |  0
 .../Source}/appendForwardSlash.js             |  0
 .../Source}/arrayRemoveDuplicates.js          |  0
 .../Source}/barycentricCoordinates.js         |  0
 .../Core => core/Source}/binarySearch.js      |  0
 .../Core => core/Source}/buildModuleUrl.js    |  0
 .../Source/Core => core/Source}/clone.js      |  0
 .../Source/Core => core/Source}/combine.js    |  0
 .../Source/Core => core/Source}/createGuid.js |  0
 .../Source}/createWorldBathymetryAsync.js     |  0
 .../Source}/createWorldTerrainAsync.js        |  0
 .../decodeGoogleEarthEnterpriseData.js        |  0
 .../Source}/decodeVectorPolylinePositions.js  |  0
 .../Core => core/Source}/defaultValue.js      |  0
 .../Source/Core => core/Source}/defer.js      |  0
 .../Source/Core => core/Source}/defined.d.ts  |  0
 .../Source/Core => core/Source}/defined.js    |  0
 .../Source}/deprecationWarning.js             |  0
 .../Core => core/Source}/destroyObject.js     |  0
 .../Core => core/Source}/formatError.js       |  0
 .../Core => core/Source}/getAbsoluteUri.js    |  0
 .../Source/Core => core/Source}/getBaseUri.js |  0
 .../Source}/getExtensionFromUri.js            |  0
 .../Source}/getFilenameFromUri.js             |  0
 .../Source}/getImageFromTypedArray.js         |  0
 .../Core => core/Source}/getImagePixels.js    |  0
 .../Source}/getJsonFromTypedArray.js          |  0
 .../Source/Core => core/Source}/getMagic.js   |  0
 .../Source}/getStringFromTypedArray.js        |  0
 .../Core => core/Source}/getTimestamp.js      |  0
 .../Source/Core => core/Source}/isBitSet.js   |  0
 .../Source/Core => core/Source}/isBlobUri.js  |  0
 .../Core => core/Source}/isCrossOriginUrl.js  |  0
 .../Source/Core => core/Source}/isDataUri.js  |  0
 .../Source/Core => core/Source}/isLeapYear.js |  0
 .../Source}/loadAndExecuteScript.js           |  0
 .../Source}/loadImageFromTypedArray.js        |  0
 .../Source/Core => core/Source}/loadKTX2.js   |  0
 .../Source/Core => core/Source}/mergeSort.js  |  0
 .../Core => core/Source}/objectToQuery.js     |  0
 .../Core => core/Source}/oneTimeWarning.js    |  0
 .../Source}/parseResponseHeaders.js           |  0
 .../Source}/pointInsideTriangle.js            |  0
 .../Core => core/Source}/queryToObject.js     |  0
 .../Source}/resizeImageToNextPowerOfTwo.js    |  0
 .../Core => core/Source}/sampleTerrain.js     |  0
 .../Source}/sampleTerrainMostDetailed.js      |  0
 .../Source}/scaleToGeodeticSurface.js         |  0
 .../Core => core/Source}/srgbToLinear.js      |  0
 .../Core => core/Source}/subdivideArray.js    |  0
 .../Source}/webGLConstantToGlslType.js        |  0
 .../Core => core/Source}/wrapFunction.js      |  0
 .../Core => core/Source}/writeTextToCanvas.js |  0
 .../Specs}/ApproximateTerrainHeightsSpec.js   |  0
 ...ArcGISTiledElevationTerrainProviderSpec.js |  0
 .../Specs}/AssociativeArraySpec.js            |  0
 .../Specs}/AttributeCompressionSpec.js        |  0
 .../Specs}/AxisAlignedBoundingBoxSpec.js      |  0
 .../Specs}/BingMapsGeocoderServiceSpec.js     |  0
 .../Specs}/BoundingRectangleSpec.js           |  0
 .../Core => core/Specs}/BoundingSphereSpec.js |  0
 .../Core => core/Specs}/BoxGeometrySpec.js    |  0
 .../Specs}/BoxOutlineGeometrySpec.js          |  0
 .../Core => core/Specs}/Cartesian2Spec.js     |  0
 .../Core => core/Specs}/Cartesian3Spec.js     |  0
 .../Core => core/Specs}/Cartesian4Spec.js     |  0
 .../Specs}/CartographicGeocoderServiceSpec.js |  0
 .../Core => core/Specs}/CartographicSpec.js   |  0
 .../Specs}/CatmullRomSplineSpec.js            |  0
 .../Specs}/CesiumTerrainProviderSpec.js       |  0
 .../Specs/Core => core/Specs}/CheckSpec.js    |  0
 .../Core => core/Specs}/CircleGeometrySpec.js |  0
 .../Specs}/CircleOutlineGeometrySpec.js       |  0
 .../Specs/Core => core/Specs}/ClockSpec.js    |  0
 .../ColorGeometryInstanceAttributeSpec.js     |  0
 .../Specs/Core => core/Specs}/ColorSpec.js    |  0
 .../Specs}/ComponentDatatypeSpec.js           |  0
 .../Core => core/Specs}/ConstantSplineSpec.js |  0
 .../Specs}/CoplanarPolygonGeometrySpec.js     |  0
 .../CoplanarPolygonOutlineGeometrySpec.js     |  0
 .../Specs}/CorridorGeometryLibrarySpec.js     |  0
 .../Specs}/CorridorGeometrySpec.js            |  0
 .../Specs}/CorridorOutlineGeometrySpec.js     |  0
 .../Specs}/CubicRealPolynomialSpec.js         |  0
 .../Core => core/Specs}/CullingVolumeSpec.js  |  0
 .../CustomHeightmapTerrainProviderSpec.js     |  0
 .../Specs}/CylinderGeometrySpec.js            |  0
 .../Specs}/CylinderOutlineGeometrySpec.js     |  0
 .../Core => core/Specs}/DeveloperErrorSpec.js |  0
 ...yConditionGeometryInstanceAttributeSpec.js |  0
 .../Specs}/DistanceDisplayConditionSpec.js    |  0
 .../Specs}/DoubleEndedPriorityQueueSpec.js    |  0
 .../Specs}/DoublyLinkedListSpec.js            |  0
 .../Specs}/EarthOrientationParametersSpec.js  |  0
 .../Specs}/EllipseGeometrySpec.js             |  0
 .../Specs}/EllipseOutlineGeometrySpec.js      |  0
 .../Specs}/EllipsoidGeodesicSpec.js           |  0
 .../Specs}/EllipsoidGeometrySpec.js           |  0
 .../Specs}/EllipsoidOutlineGeometrySpec.js    |  0
 .../Specs}/EllipsoidRhumbLineSpec.js          |  0
 .../Core => core/Specs}/EllipsoidSpec.js      |  0
 .../Specs}/EllipsoidTangentPlaneSpec.js       |  0
 .../Specs}/EllipsoidTerrainProviderSpec.js    |  0
 .../Specs}/EllipsoidalOccluderSpec.js         |  0
 .../Specs}/EncodedCartesian3Spec.js           |  0
 .../Specs/Core => core/Specs}/EventSpec.js    |  0
 .../Specs}/FeatureDetectionSpec.js            |  0
 .../Specs}/FrustumGeometrySpec.js             |  0
 .../Specs}/FrustumOutlineGeometrySpec.js      |  0
 .../Core => core/Specs}/FullscreenSpec.js     |  0
 .../Specs}/GeographicProjectionSpec.js        |  0
 .../Specs}/GeographicTilingSchemeSpec.js      |  0
 .../Specs}/GeometryAttributeSpec.js           |  0
 .../Specs}/GeometryInstanceAttributeSpec.js   |  0
 .../Specs}/GeometryInstanceSpec.js            |  0
 .../Specs}/GeometryPipelineSpec.js            |  0
 .../Specs/Core => core/Specs}/GeometrySpec.js |  0
 .../GoogleEarthEnterpriseMetadataSpec.js      |  0
 .../GoogleEarthEnterpriseTerrainDataSpec.js   |  0
 ...oogleEarthEnterpriseTerrainProviderSpec.js |  0
 .../Specs}/GoogleGeocoderServicesSpec.js      |  0
 .../Core => core/Specs}/GregorianDateSpec.js  |  0
 .../Specs}/GroundPolylineGeometrySpec.js      |  0
 .../Specs}/HeadingPitchRangeSpec.js           |  0
 .../Specs}/HeadingPitchRollSpec.js            |  0
 .../Specs/Core => core/Specs}/HeapSpec.js     |  0
 .../Specs}/HeightmapTerrainDataSpec.js        |  0
 .../HermitePolynomialApproximationSpec.js     |  0
 .../Core => core/Specs}/HermiteSplineSpec.js  |  0
 .../Core => core/Specs}/HilbertOrderSpec.js   |  0
 .../Core => core/Specs}/ITwinPlatformSpec.js  |  0
 .../Specs}/Iau2000OrientationSpec.js          |  0
 .../Core => core/Specs}/Iau2006XysDataSpec.js |  0
 .../Specs}/IauOrientationAxesSpec.js          |  0
 .../Core => core/Specs}/IndexDatatypeSpec.js  |  0
 .../Specs}/IntersectionTestsSpec.js           |  0
 .../Specs}/Intersections2DSpec.js             |  0
 .../Specs/Core => core/Specs}/IntervalSpec.js |  0
 .../Specs}/IonGeocoderServiceSpec.js          |  0
 .../Core => core/Specs}/IonResourceSpec.js    |  0
 .../Core => core/Specs}/JulianDateSpec.js     |  0
 .../LagrangePolynomialApproximationSpec.js    |  0
 .../Core => core/Specs}/LeapSecondSpec.js     |  0
 .../Specs}/LinearApproximationSpec.js         |  0
 .../Core => core/Specs}/LinearSplineSpec.js   |  0
 .../Core => core/Specs}/ManagedArraySpec.js   |  0
 .../Specs/Core => core/Specs}/MathSpec.js     |  0
 .../Specs/Core => core/Specs}/Matrix2Spec.js  |  0
 .../Specs/Core => core/Specs}/Matrix3Spec.js  |  0
 .../Specs/Core => core/Specs}/Matrix4Spec.js  |  0
 .../Core => core/Specs}/MortonOrderSpec.js    |  0
 .../Core => core/Specs}/NearFarScalarSpec.js  |  0
 .../Specs/Core => core/Specs}/OccluderSpec.js |  0
 .../Specs}/OpenCageGeocoderServiceSpec.js     |  0
 .../Specs}/OrientedBoundingBoxSpec.js         |  0
 .../Specs}/OrthographicFrustumSpec.js         |  0
 .../OrthographicOffCenterFrustumSpec.js       |  0
 .../Specs}/PeliasGeocoderServiceSpec.js       |  0
 .../Specs}/PerspectiveFrustumSpec.js          |  0
 .../Specs}/PerspectiveOffCenterFrustumSpec.js |  0
 .../Core => core/Specs}/PinBuilderSpec.js     |  0
 .../Core => core/Specs}/PixelDatatypeSpec.js  |  0
 .../Core => core/Specs}/PixelFormatSpec.js    |  0
 .../Core => core/Specs}/PlaneGeometrySpec.js  |  0
 .../Specs}/PlaneOutlineGeometrySpec.js        |  0
 .../Specs/Core => core/Specs}/PlaneSpec.js    |  0
 .../Specs}/PolygonGeometryLibrarySpec.js      |  0
 .../Specs}/PolygonGeometrySpec.js             |  0
 .../Specs}/PolygonOutlineGeometrySpec.js      |  0
 .../Specs}/PolygonPipelineSpec.js             |  0
 .../Specs}/PolylineGeometrySpec.js            |  0
 .../Specs}/PolylinePipelineSpec.js            |  0
 .../PolylineVolumeGeometryLibrarySpec.js      |  0
 .../Specs}/PolylineVolumeGeometrySpec.js      |  0
 .../PolylineVolumeOutlineGeometrySpec.js      |  0
 .../Core => core/Specs}/PrimitiveTypeSpec.js  |  0
 .../Specs}/QuadraticRealPolynomialSpec.js     |  0
 .../Specs}/QuantizedMeshTerrainDataSpec.js    |  0
 .../Specs}/QuarticRealPolynomialSpec.js       |  0
 .../Core => core/Specs}/QuaternionSpec.js     |  0
 .../Specs}/QuaternionSplineSpec.js            |  0
 .../Specs/Core => core/Specs}/QueueSpec.js    |  0
 .../Specs/Core => core/Specs}/RaySpec.js      |  0
 .../Specs}/RectangleCollisionCheckerSpec.js   |  0
 .../Specs}/RectangleGeometrySpec.js           |  0
 .../Specs}/RectangleOutlineGeometrySpec.js    |  0
 .../Core => core/Specs}/RectangleSpec.js      |  0
 .../Specs}/RequestErrorEventSpec.js           |  0
 .../Specs}/RequestSchedulerSpec.js            |  0
 .../Specs/Core => core/Specs}/RequestSpec.js  |  0
 .../Specs/Core => core/Specs}/ResourceSpec.js |  0
 .../Core => core/Specs}/RuntimeErrorSpec.js   |  0
 .../Specs/Core => core/Specs}/S2CellSpec.js   |  0
 .../Specs}/ScreenSpaceEventHandlerSpec.js     |  0
 .../ShowGeometryInstanceAttributeSpec.js      |  0
 .../Specs}/Simon1994PlanetaryPositionsSpec.js |  0
 .../Specs}/SimplePolylineGeometrySpec.js      |  0
 .../Core => core/Specs}/SphereGeometrySpec.js |  0
 .../Specs}/SphereOutlineGeometrySpec.js       |  0
 .../Core => core/Specs}/SphericalSpec.js      |  0
 .../Specs/Core => core/Specs}/SplineSpec.js   |  0
 .../Core => core/Specs}/SteppedSplineSpec.js  |  0
 .../Core => core/Specs}/StereographicSpec.js  |  0
 .../Core => core/Specs}/TaskProcessorSpec.js  |  0
 .../Specs}/TerrainEncodingSpec.js             |  0
 .../Specs}/TileAvailabilitySpec.js            |  0
 .../Specs}/TimeIntervalCollectionSpec.js      |  0
 .../Core => core/Specs}/TimeIntervalSpec.js   |  0
 .../Specs/Core => core/Specs}/TipsifySpec.js  |  0
 .../Core => core/Specs}/TransformsSpec.js     |  0
 .../Specs}/TranslationRotationScaleSpec.js    |  0
 .../Specs}/TridiagonalSystemSolverSpec.js     |  0
 .../Core => core/Specs}/TrustedServersSpec.js |  0
 .../Specs}/VRTheWorldTerrainProviderSpec.js   |  0
 .../Core => core/Specs}/VertexFormatSpec.js   |  0
 .../Specs}/VerticalExaggerationSpec.js        |  0
 .../Specs}/VideoSynchronizerSpec.js           |  0
 .../Core => core/Specs}/WallGeometrySpec.js   |  0
 .../Specs}/WallOutlineGeometrySpec.js         |  0
 .../Specs}/WebMercatorProjectionSpec.js       |  0
 .../Specs}/WebMercatorTilingSchemeSpec.js     |  0
 .../Specs}/WireframeIndexGeneratorSpec.js     |  0
 .../Specs}/appendForwardSlashSpec.js          |  0
 .../Specs}/arrayRemoveDuplicatesSpec.js       |  0
 .../Specs}/barycentricCoordinatesSpec.js      |  0
 .../Core => core/Specs}/binarySearchSpec.js   |  0
 .../Core => core/Specs}/buildModuleUrlSpec.js |  0
 .../Specs/Core => core/Specs}/cloneSpec.js    |  0
 .../Specs/Core => core/Specs}/combineSpec.js  |  0
 .../Core => core/Specs}/createGuidSpec.js     |  0
 .../Specs}/createWorldBathymetryAsyncSpec.js  |  0
 .../Specs}/createWorldTerrainAsyncSpec.js     |  0
 .../Core => core/Specs}/defaultValueSpec.js   |  0
 .../Specs/Core => core/Specs}/definedSpec.js  |  0
 .../Specs}/deprecationWarningSpec.js          |  0
 .../Core => core/Specs}/getAbsoluteUriSpec.js |  0
 .../Core => core/Specs}/getBaseUriSpec.js     |  0
 .../Specs}/getExtensionFromUriSpec.js         |  0
 .../Specs}/getFilenameFromUriSpec.js          |  0
 .../Specs}/getImageFromTypedArraySpec.js      |  0
 .../Specs}/getJsonFromTypedArraySpec.js       |  0
 .../Specs}/getStringFromTypedArraySpec.js     |  0
 .../Core => core/Specs}/isBlobUriSpec.js      |  0
 .../Specs}/isCrossOriginUrlSpec.js            |  0
 .../Core => core/Specs}/isDataUriSpec.js      |  0
 .../Core => core/Specs}/isLeapYearSpec.js     |  0
 .../Specs}/loadImageFromTypedArraySpec.js     |  0
 .../Specs/Core => core/Specs}/loadKTX2Spec.js |  0
 .../Core => core/Specs}/mergeSortSpec.js      |  0
 .../Core => core/Specs}/objectToQuerySpec.js  |  0
 .../Core => core/Specs}/oneTimeWarningSpec.js |  0
 .../Specs}/parseResponseHeadersSpec.js        |  0
 .../Specs}/pointInsideTriangleSpec.js         |  0
 .../Core => core/Specs}/queryToObjectSpec.js  |  0
 .../Specs}/resizeImageToNextPowerOfTwoSpec.js |  0
 .../Specs}/sampleTerrainMostDetailedSpec.js   |  0
 .../Core => core/Specs}/sampleTerrainSpec.js  |  0
 .../Core => core/Specs}/srgbToLinearSpec.js   |  0
 .../Core => core/Specs}/subdivideArraySpec.js |  0
 .../Specs}/writeTextToCanvasSpec.js           |  0
 packages/core/package.json                    | 76 +++++++++++++++++++
 packages/engine/package.json                  |  1 +
 packages/widgets/package.json                 |  1 +
 scripts/build.js                              | 35 +++++++++
 497 files changed, 125 insertions(+), 1 deletion(-)
 create mode 100644 packages/core/.gitignore
 rename packages/{engine/Source/Core => core/Source}/ApproximateTerrainHeights.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ArcGISTiledElevationTerrainProvider.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ArcType.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ArticulationStageType.js (100%)
 rename packages/{engine/Source/Core => core/Source}/AssociativeArray.js (100%)
 rename packages/{engine/Source/Core => core/Source}/AttributeCompression.js (100%)
 rename packages/{engine/Source/Core => core/Source}/AxisAlignedBoundingBox.js (100%)
 rename packages/{engine/Source/Core => core/Source}/BingMapsGeocoderService.js (100%)
 rename packages/{engine/Source/Core => core/Source}/BoundingRectangle.js (100%)
 rename packages/{engine/Source/Core => core/Source}/BoundingSphere.js (100%)
 rename packages/{engine/Source/Core => core/Source}/BoxGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/BoxOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Cartesian2.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Cartesian3.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Cartesian4.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Cartographic.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CartographicGeocoderService.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CatmullRomSpline.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CesiumTerrainProvider.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Check.d.ts (100%)
 rename packages/{engine/Source/Core => core/Source}/Check.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CircleGeometry.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/Clock.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ClockRange.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ClockStep.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Color.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ColorGeometryInstanceAttribute.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ComponentDatatype.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CompressedTextureBuffer.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ConstantSpline.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CoplanarPolygonGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CoplanarPolygonGeometryLibrary.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CoplanarPolygonOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CornerType.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CorridorGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CorridorGeometryLibrary.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CorridorOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Credit.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CubicRealPolynomial.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CullingVolume.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CustomHeightmapTerrainProvider.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CylinderGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CylinderGeometryLibrary.js (100%)
 rename packages/{engine/Source/Core => core/Source}/CylinderOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/DefaultProxy.js (100%)
 rename packages/{engine/Source/Core => core/Source}/DeveloperError.js (100%)
 rename packages/{engine/Source/Core => core/Source}/DistanceDisplayCondition.js (100%)
 rename packages/{engine/Source/Core => core/Source}/DistanceDisplayConditionGeometryInstanceAttribute.js (100%)
 rename packages/{engine/Source/Core => core/Source}/DoubleEndedPriorityQueue.js (100%)
 rename packages/{engine/Source/Core => core/Source}/DoublyLinkedList.js (100%)
 rename packages/{engine/Source/Core => core/Source}/EarthOrientationParameters.js (100%)
 rename packages/{engine/Source/Core => core/Source}/EarthOrientationParametersSample.js (100%)
 rename packages/{engine/Source/Core => core/Source}/EasingFunction.js (100%)
 rename packages/{engine/Source/Core => core/Source}/EllipseGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/EllipseGeometryLibrary.js (100%)
 rename packages/{engine/Source/Core => core/Source}/EllipseOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Ellipsoid.js (100%)
 rename packages/{engine/Source/Core => core/Source}/EllipsoidGeodesic.js (100%)
 rename packages/{engine/Source/Core => core/Source}/EllipsoidGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/EllipsoidOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/EllipsoidRhumbLine.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/EventHelper.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ExtrapolationType.js (100%)
 rename packages/{engine/Source/Core => core/Source}/FeatureDetection.js (100%)
 rename packages/{engine/Source/Core => core/Source}/FrustumGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/FrustumOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Fullscreen.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeocodeType.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeocoderService.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeographicProjection.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeographicTilingScheme.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Geometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeometryAttribute.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeometryAttributes.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeometryFactory.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeometryInstance.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeometryInstanceAttribute.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeometryOffsetAttribute.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeometryPipeline.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GeometryType.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GoogleEarthEnterpriseMetadata.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GoogleEarthEnterpriseTerrainData.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GoogleEarthEnterpriseTerrainProvider.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/GoogleGeocoderService.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GoogleMaps.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GregorianDate.js (100%)
 rename packages/{engine/Source/Core => core/Source}/GroundPolylineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/HeadingPitchRange.js (100%)
 rename packages/{engine/Source/Core => core/Source}/HeadingPitchRoll.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/HeightmapEncoding.js (100%)
 rename packages/{engine/Source/Core => core/Source}/HeightmapTerrainData.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/HermitePolynomialApproximation.js (100%)
 rename packages/{engine/Source/Core => core/Source}/HermiteSpline.js (100%)
 rename packages/{engine/Source/Core => core/Source}/HilbertOrder.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ITwinPlatform.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Iau2000Orientation.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Iau2006XysData.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Iau2006XysSample.js (100%)
 rename packages/{engine/Source/Core => core/Source}/IauOrientationAxes.js (100%)
 rename packages/{engine/Source/Core => core/Source}/IauOrientationParameters.js (100%)
 rename packages/{engine/Source/Core => core/Source}/IndexDatatype.js (100%)
 rename packages/{engine/Source/Core => core/Source}/InterpolationAlgorithm.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/Intersect.js (100%)
 rename packages/{engine/Source/Core => core/Source}/IntersectionTests.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Intersections2D.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Interval.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Ion.js (100%)
 rename packages/{engine/Source/Core => core/Source}/IonGeocodeProviderType.js (100%)
 rename packages/{engine/Source/Core => core/Source}/IonGeocoderService.js (100%)
 rename packages/{engine/Source/Core => core/Source}/IonResource.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Iso8601.js (100%)
 rename packages/{engine/Source/Core => core/Source}/JulianDate.js (100%)
 rename packages/{engine/Source/Core => core/Source}/KTX2Transcoder.js (100%)
 rename packages/{engine/Source/Core => core/Source}/KeyboardEventModifier.js (100%)
 rename packages/{engine/Source/Core => core/Source}/LagrangePolynomialApproximation.js (100%)
 rename packages/{engine/Source/Core => core/Source}/LeapSecond.js (100%)
 rename packages/{engine/Source/Core => core/Source}/LinearApproximation.js (100%)
 rename packages/{engine/Source/Core => core/Source}/LinearSpline.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ManagedArray.js (100%)
 rename packages/{engine/Source/Core => core/Source}/MapProjection.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Math.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Matrix2.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Matrix3.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Matrix4.js (100%)
 rename packages/{engine/Source/Core => core/Source}/MorphWeightSpline.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/OffsetGeometryInstanceAttribute.js (100%)
 rename packages/{engine/Source/Core => core/Source}/OpenCageGeocoderService.js (100%)
 rename packages/{engine/Source/Core => core/Source}/OrientedBoundingBox.js (100%)
 rename packages/{engine/Source/Core => core/Source}/OrthographicFrustum.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/PackableForInterpolation.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PeliasGeocoderService.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PerspectiveFrustum.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PerspectiveOffCenterFrustum.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PinBuilder.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PixelFormat.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Plane.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PlaneGeometry.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/PolygonGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PolygonGeometryLibrary.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PolygonHierarchy.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PolygonOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PolygonPipeline.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PolylineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PolylinePipeline.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PolylineVolumeGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PolylineVolumeGeometryLibrary.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PolylineVolumeOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/PrimitiveType.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Proxy.js (100%)
 rename packages/{engine/Source/Core => core/Source}/QuadraticRealPolynomial.js (100%)
 rename packages/{engine/Source/Core => core/Source}/QuantizedMeshTerrainData.js (100%)
 rename packages/{engine/Source/Core => core/Source}/QuarticRealPolynomial.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Quaternion.js (100%)
 rename packages/{engine/Source/Core => core/Source}/QuaternionSpline.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Queue.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Ray.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Rectangle.js (100%)
 rename packages/{engine/Source/Core => core/Source}/RectangleCollisionChecker.js (100%)
 rename packages/{engine/Source/Core => core/Source}/RectangleGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/RectangleGeometryLibrary.js (100%)
 rename packages/{engine/Source/Core => core/Source}/RectangleOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ReferenceFrame.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Request.js (100%)
 rename packages/{engine/Source/Core => core/Source}/RequestErrorEvent.js (100%)
 rename packages/{engine/Source/Core => core/Source}/RequestScheduler.js (100%)
 rename packages/{engine/Source/Core => core/Source}/RequestState.js (100%)
 rename packages/{engine/Source/Core => core/Source}/RequestType.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Resource.js (100%)
 rename packages/{engine/Source/Core => core/Source}/RuntimeError.js (100%)
 rename packages/{engine/Source/Core => core/Source}/S2Cell.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ScreenSpaceEventHandler.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ScreenSpaceEventType.js (100%)
 rename packages/{engine/Source/Core => core/Source}/ShowGeometryInstanceAttribute.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Simon1994PlanetaryPositions.js (100%)
 rename packages/{engine/Source/Core => core/Source}/SimplePolylineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/SphereGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/SphereOutlineGeometry.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Spherical.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Spline.js (100%)
 rename packages/{engine/Source/Core => core/Source}/SteppedSpline.js (100%)
 rename packages/{engine/Source/Core => core/Source}/Stereographic.js (100%)
 rename packages/{engine/Source/Core => core/Source}/TaskProcessor.js (100%)
 rename packages/{engine/Source/Core => core/Source}/TerrainData.js (100%)
 rename packages/{engine/Source/Core => core/Source}/TerrainEncoding.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/TridiagonalSystemSolver.js (100%)
 rename packages/{engine/Source/Core => core/Source}/TrustedServers.js (100%)
 rename packages/{engine/Source/Core => core/Source}/VRTheWorldTerrainProvider.js (100%)
 rename packages/{engine/Source/Core => core/Source}/VertexFormat.js (100%)
 rename packages/{engine/Source/Core => core/Source}/VerticalExaggeration.js (100%)
 rename packages/{engine/Source/Core => core/Source}/VideoSynchronizer.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/WallGeometryLibrary.js (100%)
 rename packages/{engine/Source/Core => core/Source}/WallOutlineGeometry.js (100%)
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 rename packages/{engine/Source/Core => core/Source}/writeTextToCanvas.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ApproximateTerrainHeightsSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ArcGISTiledElevationTerrainProviderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/AssociativeArraySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/AttributeCompressionSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/AxisAlignedBoundingBoxSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/BingMapsGeocoderServiceSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/BoundingRectangleSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/BoundingSphereSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/BoxGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/BoxOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/Cartesian2Spec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/Cartesian3Spec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/Cartesian4Spec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CartographicGeocoderServiceSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CartographicSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CatmullRomSplineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CesiumTerrainProviderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CheckSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CircleGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CircleOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ClockSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ColorGeometryInstanceAttributeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ColorSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ComponentDatatypeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ConstantSplineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CoplanarPolygonGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CoplanarPolygonOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CorridorGeometryLibrarySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CorridorGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CorridorOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CubicRealPolynomialSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CullingVolumeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CustomHeightmapTerrainProviderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CylinderGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/CylinderOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/DeveloperErrorSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/DistanceDisplayConditionGeometryInstanceAttributeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/DistanceDisplayConditionSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/DoubleEndedPriorityQueueSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/DoublyLinkedListSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EarthOrientationParametersSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EllipseGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EllipseOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EllipsoidGeodesicSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EllipsoidGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EllipsoidOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EllipsoidRhumbLineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EllipsoidSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EllipsoidTangentPlaneSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EllipsoidTerrainProviderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EllipsoidalOccluderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EncodedCartesian3Spec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/EventSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/FeatureDetectionSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/FrustumGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/FrustumOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/FullscreenSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GeographicProjectionSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GeographicTilingSchemeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GeometryAttributeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GeometryInstanceAttributeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GeometryInstanceSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GeometryPipelineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GoogleEarthEnterpriseMetadataSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GoogleEarthEnterpriseTerrainDataSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GoogleEarthEnterpriseTerrainProviderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GoogleGeocoderServicesSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GregorianDateSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/GroundPolylineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/HeadingPitchRangeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/HeadingPitchRollSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/HeapSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/HeightmapTerrainDataSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/HermitePolynomialApproximationSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/HermiteSplineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/HilbertOrderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ITwinPlatformSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/Iau2000OrientationSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/Iau2006XysDataSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/IauOrientationAxesSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/IndexDatatypeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/IntersectionTestsSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/Intersections2DSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/IntervalSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/IonGeocoderServiceSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/IonResourceSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/JulianDateSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/LagrangePolynomialApproximationSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/LeapSecondSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/LinearApproximationSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/LinearSplineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ManagedArraySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/MathSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/Matrix2Spec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/Matrix3Spec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/Matrix4Spec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/MortonOrderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/NearFarScalarSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/OccluderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/OpenCageGeocoderServiceSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/OrientedBoundingBoxSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/OrthographicFrustumSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/OrthographicOffCenterFrustumSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PeliasGeocoderServiceSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PerspectiveFrustumSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PerspectiveOffCenterFrustumSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PinBuilderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PixelDatatypeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PixelFormatSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PlaneGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PlaneOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PlaneSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PolygonGeometryLibrarySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PolygonGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PolygonOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PolygonPipelineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PolylineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PolylinePipelineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PolylineVolumeGeometryLibrarySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PolylineVolumeGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PolylineVolumeOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/PrimitiveTypeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/QuadraticRealPolynomialSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/QuantizedMeshTerrainDataSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/QuarticRealPolynomialSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/QuaternionSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/QuaternionSplineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/QueueSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/RaySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/RectangleCollisionCheckerSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/RectangleGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/RectangleOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/RectangleSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/RequestErrorEventSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/RequestSchedulerSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/RequestSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ResourceSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/RuntimeErrorSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/S2CellSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ScreenSpaceEventHandlerSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/ShowGeometryInstanceAttributeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/Simon1994PlanetaryPositionsSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/SimplePolylineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/SphereGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/SphereOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/SphericalSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/SplineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/SteppedSplineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/StereographicSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/TaskProcessorSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/TerrainEncodingSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/TileAvailabilitySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/TimeIntervalCollectionSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/TimeIntervalSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/TipsifySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/TransformsSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/TranslationRotationScaleSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/TridiagonalSystemSolverSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/TrustedServersSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/VRTheWorldTerrainProviderSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/VertexFormatSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/VerticalExaggerationSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/VideoSynchronizerSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/WallGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/WallOutlineGeometrySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/WebMercatorProjectionSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/WebMercatorTilingSchemeSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/WireframeIndexGeneratorSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/appendForwardSlashSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/arrayRemoveDuplicatesSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/barycentricCoordinatesSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/binarySearchSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/buildModuleUrlSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/cloneSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/combineSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/createGuidSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/createWorldBathymetryAsyncSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/createWorldTerrainAsyncSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/defaultValueSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/definedSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/deprecationWarningSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/getAbsoluteUriSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/getBaseUriSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/getExtensionFromUriSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/getFilenameFromUriSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/getImageFromTypedArraySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/getJsonFromTypedArraySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/getStringFromTypedArraySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/isBlobUriSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/isCrossOriginUrlSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/isDataUriSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/isLeapYearSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/loadImageFromTypedArraySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/loadKTX2Spec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/mergeSortSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/objectToQuerySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/oneTimeWarningSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/parseResponseHeadersSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/pointInsideTriangleSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/queryToObjectSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/resizeImageToNextPowerOfTwoSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/sampleTerrainMostDetailedSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/sampleTerrainSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/srgbToLinearSpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/subdivideArraySpec.js (100%)
 rename packages/{engine/Specs/Core => core/Specs}/writeTextToCanvasSpec.js (100%)
 create mode 100644 packages/core/package.json

diff --git a/gulpfile.js b/gulpfile.js
index b1518b0d6258..d2dc484873fb 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -30,6 +30,7 @@ import {
   createCombinedSpecList,
   createJsHintOptions,
   defaultESBuildOptions,
+  buildCore,
 } from "./scripts/build.js";
 
 // Determines the scope of the workspace packages. If the scope is set to cesium, the workspaces should be @cesium/engine.
@@ -133,8 +134,11 @@ export async function build() {
     return buildEngine(buildOptions);
   } else if (workspace === `@${scope}/widgets`) {
     return buildWidgets(buildOptions);
+  } else if (workspace === `@${scope}/core`) {
+    return buildCore(buildOptions);
   }
 
+  await buildCore(buildOptions);
   await buildEngine(buildOptions);
   await buildWidgets(buildOptions);
   await buildCesium(buildOptions);
@@ -427,6 +431,7 @@ function combineForSandcastle() {
 }
 
 export const websiteRelease = gulp.series(
+  buildCore,
   buildEngine,
   buildWidgets,
   function websiteReleaseBuild() {
@@ -442,6 +447,7 @@ export const websiteRelease = gulp.series(
 );
 
 export const buildRelease = gulp.series(
+  buildCore,
   buildEngine,
   buildWidgets,
   // Generate Build/CesiumUnminified
diff --git a/package.json b/package.json
index dea10612ca58..0ced78fad4a8 100644
--- a/package.json
+++ b/package.json
@@ -156,7 +156,8 @@
     ]
   },
   "workspaces": [
+    "packages/core",
     "packages/engine",
     "packages/widgets"
   ]
-}
\ No newline at end of file
+}
diff --git a/packages/core/.gitignore b/packages/core/.gitignore
new file mode 100644
index 000000000000..24d528c923da
--- /dev/null
+++ b/packages/core/.gitignore
@@ -0,0 +1,4 @@
+Build
+Specs/SpecList.js
+index.js
+index.d.ts
diff --git a/packages/engine/Source/Core/ApproximateTerrainHeights.js b/packages/core/Source/ApproximateTerrainHeights.js
similarity index 100%
rename from packages/engine/Source/Core/ApproximateTerrainHeights.js
rename to packages/core/Source/ApproximateTerrainHeights.js
diff --git a/packages/engine/Source/Core/ArcGISTiledElevationTerrainProvider.js b/packages/core/Source/ArcGISTiledElevationTerrainProvider.js
similarity index 100%
rename from packages/engine/Source/Core/ArcGISTiledElevationTerrainProvider.js
rename to packages/core/Source/ArcGISTiledElevationTerrainProvider.js
diff --git a/packages/engine/Source/Core/ArcType.js b/packages/core/Source/ArcType.js
similarity index 100%
rename from packages/engine/Source/Core/ArcType.js
rename to packages/core/Source/ArcType.js
diff --git a/packages/engine/Source/Core/ArticulationStageType.js b/packages/core/Source/ArticulationStageType.js
similarity index 100%
rename from packages/engine/Source/Core/ArticulationStageType.js
rename to packages/core/Source/ArticulationStageType.js
diff --git a/packages/engine/Source/Core/AssociativeArray.js b/packages/core/Source/AssociativeArray.js
similarity index 100%
rename from packages/engine/Source/Core/AssociativeArray.js
rename to packages/core/Source/AssociativeArray.js
diff --git a/packages/engine/Source/Core/AttributeCompression.js b/packages/core/Source/AttributeCompression.js
similarity index 100%
rename from packages/engine/Source/Core/AttributeCompression.js
rename to packages/core/Source/AttributeCompression.js
diff --git a/packages/engine/Source/Core/AxisAlignedBoundingBox.js b/packages/core/Source/AxisAlignedBoundingBox.js
similarity index 100%
rename from packages/engine/Source/Core/AxisAlignedBoundingBox.js
rename to packages/core/Source/AxisAlignedBoundingBox.js
diff --git a/packages/engine/Source/Core/BingMapsGeocoderService.js b/packages/core/Source/BingMapsGeocoderService.js
similarity index 100%
rename from packages/engine/Source/Core/BingMapsGeocoderService.js
rename to packages/core/Source/BingMapsGeocoderService.js
diff --git a/packages/engine/Source/Core/BoundingRectangle.js b/packages/core/Source/BoundingRectangle.js
similarity index 100%
rename from packages/engine/Source/Core/BoundingRectangle.js
rename to packages/core/Source/BoundingRectangle.js
diff --git a/packages/engine/Source/Core/BoundingSphere.js b/packages/core/Source/BoundingSphere.js
similarity index 100%
rename from packages/engine/Source/Core/BoundingSphere.js
rename to packages/core/Source/BoundingSphere.js
diff --git a/packages/engine/Source/Core/BoxGeometry.js b/packages/core/Source/BoxGeometry.js
similarity index 100%
rename from packages/engine/Source/Core/BoxGeometry.js
rename to packages/core/Source/BoxGeometry.js
diff --git a/packages/engine/Source/Core/BoxOutlineGeometry.js b/packages/core/Source/BoxOutlineGeometry.js
similarity index 100%
rename from packages/engine/Source/Core/BoxOutlineGeometry.js
rename to packages/core/Source/BoxOutlineGeometry.js
diff --git a/packages/engine/Source/Core/Cartesian2.js b/packages/core/Source/Cartesian2.js
similarity index 100%
rename from packages/engine/Source/Core/Cartesian2.js
rename to packages/core/Source/Cartesian2.js
diff --git a/packages/engine/Source/Core/Cartesian3.js b/packages/core/Source/Cartesian3.js
similarity index 100%
rename from packages/engine/Source/Core/Cartesian3.js
rename to packages/core/Source/Cartesian3.js
diff --git a/packages/engine/Source/Core/Cartesian4.js b/packages/core/Source/Cartesian4.js
similarity index 100%
rename from packages/engine/Source/Core/Cartesian4.js
rename to packages/core/Source/Cartesian4.js
diff --git a/packages/engine/Source/Core/Cartographic.js b/packages/core/Source/Cartographic.js
similarity index 100%
rename from packages/engine/Source/Core/Cartographic.js
rename to packages/core/Source/Cartographic.js
diff --git a/packages/engine/Source/Core/CartographicGeocoderService.js b/packages/core/Source/CartographicGeocoderService.js
similarity index 100%
rename from packages/engine/Source/Core/CartographicGeocoderService.js
rename to packages/core/Source/CartographicGeocoderService.js
diff --git a/packages/engine/Source/Core/CatmullRomSpline.js b/packages/core/Source/CatmullRomSpline.js
similarity index 100%
rename from packages/engine/Source/Core/CatmullRomSpline.js
rename to packages/core/Source/CatmullRomSpline.js
diff --git a/packages/engine/Source/Core/CesiumTerrainProvider.js b/packages/core/Source/CesiumTerrainProvider.js
similarity index 100%
rename from packages/engine/Source/Core/CesiumTerrainProvider.js
rename to packages/core/Source/CesiumTerrainProvider.js
diff --git a/packages/engine/Source/Core/Check.d.ts b/packages/core/Source/Check.d.ts
similarity index 100%
rename from packages/engine/Source/Core/Check.d.ts
rename to packages/core/Source/Check.d.ts
diff --git a/packages/engine/Source/Core/Check.js b/packages/core/Source/Check.js
similarity index 100%
rename from packages/engine/Source/Core/Check.js
rename to packages/core/Source/Check.js
diff --git a/packages/engine/Source/Core/CircleGeometry.js b/packages/core/Source/CircleGeometry.js
similarity index 100%
rename from packages/engine/Source/Core/CircleGeometry.js
rename to packages/core/Source/CircleGeometry.js
diff --git a/packages/engine/Source/Core/CircleOutlineGeometry.js b/packages/core/Source/CircleOutlineGeometry.js
similarity index 100%
rename from packages/engine/Source/Core/CircleOutlineGeometry.js
rename to packages/core/Source/CircleOutlineGeometry.js
diff --git a/packages/engine/Source/Core/Clock.js b/packages/core/Source/Clock.js
similarity index 100%
rename from packages/engine/Source/Core/Clock.js
rename to packages/core/Source/Clock.js
diff --git a/packages/engine/Source/Core/ClockRange.js b/packages/core/Source/ClockRange.js
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similarity index 100%
rename from packages/engine/Specs/Core/EllipsoidTerrainProviderSpec.js
rename to packages/core/Specs/EllipsoidTerrainProviderSpec.js
diff --git a/packages/engine/Specs/Core/EllipsoidalOccluderSpec.js b/packages/core/Specs/EllipsoidalOccluderSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/EllipsoidalOccluderSpec.js
rename to packages/core/Specs/EllipsoidalOccluderSpec.js
diff --git a/packages/engine/Specs/Core/EncodedCartesian3Spec.js b/packages/core/Specs/EncodedCartesian3Spec.js
similarity index 100%
rename from packages/engine/Specs/Core/EncodedCartesian3Spec.js
rename to packages/core/Specs/EncodedCartesian3Spec.js
diff --git a/packages/engine/Specs/Core/EventSpec.js b/packages/core/Specs/EventSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/EventSpec.js
rename to packages/core/Specs/EventSpec.js
diff --git a/packages/engine/Specs/Core/FeatureDetectionSpec.js b/packages/core/Specs/FeatureDetectionSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/FeatureDetectionSpec.js
rename to packages/core/Specs/FeatureDetectionSpec.js
diff --git a/packages/engine/Specs/Core/FrustumGeometrySpec.js b/packages/core/Specs/FrustumGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/FrustumGeometrySpec.js
rename to packages/core/Specs/FrustumGeometrySpec.js
diff --git a/packages/engine/Specs/Core/FrustumOutlineGeometrySpec.js b/packages/core/Specs/FrustumOutlineGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/FrustumOutlineGeometrySpec.js
rename to packages/core/Specs/FrustumOutlineGeometrySpec.js
diff --git a/packages/engine/Specs/Core/FullscreenSpec.js b/packages/core/Specs/FullscreenSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/FullscreenSpec.js
rename to packages/core/Specs/FullscreenSpec.js
diff --git a/packages/engine/Specs/Core/GeographicProjectionSpec.js b/packages/core/Specs/GeographicProjectionSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GeographicProjectionSpec.js
rename to packages/core/Specs/GeographicProjectionSpec.js
diff --git a/packages/engine/Specs/Core/GeographicTilingSchemeSpec.js b/packages/core/Specs/GeographicTilingSchemeSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GeographicTilingSchemeSpec.js
rename to packages/core/Specs/GeographicTilingSchemeSpec.js
diff --git a/packages/engine/Specs/Core/GeometryAttributeSpec.js b/packages/core/Specs/GeometryAttributeSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GeometryAttributeSpec.js
rename to packages/core/Specs/GeometryAttributeSpec.js
diff --git a/packages/engine/Specs/Core/GeometryInstanceAttributeSpec.js b/packages/core/Specs/GeometryInstanceAttributeSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GeometryInstanceAttributeSpec.js
rename to packages/core/Specs/GeometryInstanceAttributeSpec.js
diff --git a/packages/engine/Specs/Core/GeometryInstanceSpec.js b/packages/core/Specs/GeometryInstanceSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GeometryInstanceSpec.js
rename to packages/core/Specs/GeometryInstanceSpec.js
diff --git a/packages/engine/Specs/Core/GeometryPipelineSpec.js b/packages/core/Specs/GeometryPipelineSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GeometryPipelineSpec.js
rename to packages/core/Specs/GeometryPipelineSpec.js
diff --git a/packages/engine/Specs/Core/GeometrySpec.js b/packages/core/Specs/GeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GeometrySpec.js
rename to packages/core/Specs/GeometrySpec.js
diff --git a/packages/engine/Specs/Core/GoogleEarthEnterpriseMetadataSpec.js b/packages/core/Specs/GoogleEarthEnterpriseMetadataSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GoogleEarthEnterpriseMetadataSpec.js
rename to packages/core/Specs/GoogleEarthEnterpriseMetadataSpec.js
diff --git a/packages/engine/Specs/Core/GoogleEarthEnterpriseTerrainDataSpec.js b/packages/core/Specs/GoogleEarthEnterpriseTerrainDataSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GoogleEarthEnterpriseTerrainDataSpec.js
rename to packages/core/Specs/GoogleEarthEnterpriseTerrainDataSpec.js
diff --git a/packages/engine/Specs/Core/GoogleEarthEnterpriseTerrainProviderSpec.js b/packages/core/Specs/GoogleEarthEnterpriseTerrainProviderSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GoogleEarthEnterpriseTerrainProviderSpec.js
rename to packages/core/Specs/GoogleEarthEnterpriseTerrainProviderSpec.js
diff --git a/packages/engine/Specs/Core/GoogleGeocoderServicesSpec.js b/packages/core/Specs/GoogleGeocoderServicesSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GoogleGeocoderServicesSpec.js
rename to packages/core/Specs/GoogleGeocoderServicesSpec.js
diff --git a/packages/engine/Specs/Core/GregorianDateSpec.js b/packages/core/Specs/GregorianDateSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GregorianDateSpec.js
rename to packages/core/Specs/GregorianDateSpec.js
diff --git a/packages/engine/Specs/Core/GroundPolylineGeometrySpec.js b/packages/core/Specs/GroundPolylineGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/GroundPolylineGeometrySpec.js
rename to packages/core/Specs/GroundPolylineGeometrySpec.js
diff --git a/packages/engine/Specs/Core/HeadingPitchRangeSpec.js b/packages/core/Specs/HeadingPitchRangeSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/HeadingPitchRangeSpec.js
rename to packages/core/Specs/HeadingPitchRangeSpec.js
diff --git a/packages/engine/Specs/Core/HeadingPitchRollSpec.js b/packages/core/Specs/HeadingPitchRollSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/HeadingPitchRollSpec.js
rename to packages/core/Specs/HeadingPitchRollSpec.js
diff --git a/packages/engine/Specs/Core/HeapSpec.js b/packages/core/Specs/HeapSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/HeapSpec.js
rename to packages/core/Specs/HeapSpec.js
diff --git a/packages/engine/Specs/Core/HeightmapTerrainDataSpec.js b/packages/core/Specs/HeightmapTerrainDataSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/HeightmapTerrainDataSpec.js
rename to packages/core/Specs/HeightmapTerrainDataSpec.js
diff --git a/packages/engine/Specs/Core/HermitePolynomialApproximationSpec.js b/packages/core/Specs/HermitePolynomialApproximationSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/HermitePolynomialApproximationSpec.js
rename to packages/core/Specs/HermitePolynomialApproximationSpec.js
diff --git a/packages/engine/Specs/Core/HermiteSplineSpec.js b/packages/core/Specs/HermiteSplineSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/HermiteSplineSpec.js
rename to packages/core/Specs/HermiteSplineSpec.js
diff --git a/packages/engine/Specs/Core/HilbertOrderSpec.js b/packages/core/Specs/HilbertOrderSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/HilbertOrderSpec.js
rename to packages/core/Specs/HilbertOrderSpec.js
diff --git a/packages/engine/Specs/Core/ITwinPlatformSpec.js b/packages/core/Specs/ITwinPlatformSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/ITwinPlatformSpec.js
rename to packages/core/Specs/ITwinPlatformSpec.js
diff --git a/packages/engine/Specs/Core/Iau2000OrientationSpec.js b/packages/core/Specs/Iau2000OrientationSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/Iau2000OrientationSpec.js
rename to packages/core/Specs/Iau2000OrientationSpec.js
diff --git a/packages/engine/Specs/Core/Iau2006XysDataSpec.js b/packages/core/Specs/Iau2006XysDataSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/Iau2006XysDataSpec.js
rename to packages/core/Specs/Iau2006XysDataSpec.js
diff --git a/packages/engine/Specs/Core/IauOrientationAxesSpec.js b/packages/core/Specs/IauOrientationAxesSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/IauOrientationAxesSpec.js
rename to packages/core/Specs/IauOrientationAxesSpec.js
diff --git a/packages/engine/Specs/Core/IndexDatatypeSpec.js b/packages/core/Specs/IndexDatatypeSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/IndexDatatypeSpec.js
rename to packages/core/Specs/IndexDatatypeSpec.js
diff --git a/packages/engine/Specs/Core/IntersectionTestsSpec.js b/packages/core/Specs/IntersectionTestsSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/IntersectionTestsSpec.js
rename to packages/core/Specs/IntersectionTestsSpec.js
diff --git a/packages/engine/Specs/Core/Intersections2DSpec.js b/packages/core/Specs/Intersections2DSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/Intersections2DSpec.js
rename to packages/core/Specs/Intersections2DSpec.js
diff --git a/packages/engine/Specs/Core/IntervalSpec.js b/packages/core/Specs/IntervalSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/IntervalSpec.js
rename to packages/core/Specs/IntervalSpec.js
diff --git a/packages/engine/Specs/Core/IonGeocoderServiceSpec.js b/packages/core/Specs/IonGeocoderServiceSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/IonGeocoderServiceSpec.js
rename to packages/core/Specs/IonGeocoderServiceSpec.js
diff --git a/packages/engine/Specs/Core/IonResourceSpec.js b/packages/core/Specs/IonResourceSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/IonResourceSpec.js
rename to packages/core/Specs/IonResourceSpec.js
diff --git a/packages/engine/Specs/Core/JulianDateSpec.js b/packages/core/Specs/JulianDateSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/JulianDateSpec.js
rename to packages/core/Specs/JulianDateSpec.js
diff --git a/packages/engine/Specs/Core/LagrangePolynomialApproximationSpec.js b/packages/core/Specs/LagrangePolynomialApproximationSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/LagrangePolynomialApproximationSpec.js
rename to packages/core/Specs/LagrangePolynomialApproximationSpec.js
diff --git a/packages/engine/Specs/Core/LeapSecondSpec.js b/packages/core/Specs/LeapSecondSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/LeapSecondSpec.js
rename to packages/core/Specs/LeapSecondSpec.js
diff --git a/packages/engine/Specs/Core/LinearApproximationSpec.js b/packages/core/Specs/LinearApproximationSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/LinearApproximationSpec.js
rename to packages/core/Specs/LinearApproximationSpec.js
diff --git a/packages/engine/Specs/Core/LinearSplineSpec.js b/packages/core/Specs/LinearSplineSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/LinearSplineSpec.js
rename to packages/core/Specs/LinearSplineSpec.js
diff --git a/packages/engine/Specs/Core/ManagedArraySpec.js b/packages/core/Specs/ManagedArraySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/ManagedArraySpec.js
rename to packages/core/Specs/ManagedArraySpec.js
diff --git a/packages/engine/Specs/Core/MathSpec.js b/packages/core/Specs/MathSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/MathSpec.js
rename to packages/core/Specs/MathSpec.js
diff --git a/packages/engine/Specs/Core/Matrix2Spec.js b/packages/core/Specs/Matrix2Spec.js
similarity index 100%
rename from packages/engine/Specs/Core/Matrix2Spec.js
rename to packages/core/Specs/Matrix2Spec.js
diff --git a/packages/engine/Specs/Core/Matrix3Spec.js b/packages/core/Specs/Matrix3Spec.js
similarity index 100%
rename from packages/engine/Specs/Core/Matrix3Spec.js
rename to packages/core/Specs/Matrix3Spec.js
diff --git a/packages/engine/Specs/Core/Matrix4Spec.js b/packages/core/Specs/Matrix4Spec.js
similarity index 100%
rename from packages/engine/Specs/Core/Matrix4Spec.js
rename to packages/core/Specs/Matrix4Spec.js
diff --git a/packages/engine/Specs/Core/MortonOrderSpec.js b/packages/core/Specs/MortonOrderSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/MortonOrderSpec.js
rename to packages/core/Specs/MortonOrderSpec.js
diff --git a/packages/engine/Specs/Core/NearFarScalarSpec.js b/packages/core/Specs/NearFarScalarSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/NearFarScalarSpec.js
rename to packages/core/Specs/NearFarScalarSpec.js
diff --git a/packages/engine/Specs/Core/OccluderSpec.js b/packages/core/Specs/OccluderSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/OccluderSpec.js
rename to packages/core/Specs/OccluderSpec.js
diff --git a/packages/engine/Specs/Core/OpenCageGeocoderServiceSpec.js b/packages/core/Specs/OpenCageGeocoderServiceSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/OpenCageGeocoderServiceSpec.js
rename to packages/core/Specs/OpenCageGeocoderServiceSpec.js
diff --git a/packages/engine/Specs/Core/OrientedBoundingBoxSpec.js b/packages/core/Specs/OrientedBoundingBoxSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/OrientedBoundingBoxSpec.js
rename to packages/core/Specs/OrientedBoundingBoxSpec.js
diff --git a/packages/engine/Specs/Core/OrthographicFrustumSpec.js b/packages/core/Specs/OrthographicFrustumSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/OrthographicFrustumSpec.js
rename to packages/core/Specs/OrthographicFrustumSpec.js
diff --git a/packages/engine/Specs/Core/OrthographicOffCenterFrustumSpec.js b/packages/core/Specs/OrthographicOffCenterFrustumSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/OrthographicOffCenterFrustumSpec.js
rename to packages/core/Specs/OrthographicOffCenterFrustumSpec.js
diff --git a/packages/engine/Specs/Core/PeliasGeocoderServiceSpec.js b/packages/core/Specs/PeliasGeocoderServiceSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PeliasGeocoderServiceSpec.js
rename to packages/core/Specs/PeliasGeocoderServiceSpec.js
diff --git a/packages/engine/Specs/Core/PerspectiveFrustumSpec.js b/packages/core/Specs/PerspectiveFrustumSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PerspectiveFrustumSpec.js
rename to packages/core/Specs/PerspectiveFrustumSpec.js
diff --git a/packages/engine/Specs/Core/PerspectiveOffCenterFrustumSpec.js b/packages/core/Specs/PerspectiveOffCenterFrustumSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PerspectiveOffCenterFrustumSpec.js
rename to packages/core/Specs/PerspectiveOffCenterFrustumSpec.js
diff --git a/packages/engine/Specs/Core/PinBuilderSpec.js b/packages/core/Specs/PinBuilderSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PinBuilderSpec.js
rename to packages/core/Specs/PinBuilderSpec.js
diff --git a/packages/engine/Specs/Core/PixelDatatypeSpec.js b/packages/core/Specs/PixelDatatypeSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PixelDatatypeSpec.js
rename to packages/core/Specs/PixelDatatypeSpec.js
diff --git a/packages/engine/Specs/Core/PixelFormatSpec.js b/packages/core/Specs/PixelFormatSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PixelFormatSpec.js
rename to packages/core/Specs/PixelFormatSpec.js
diff --git a/packages/engine/Specs/Core/PlaneGeometrySpec.js b/packages/core/Specs/PlaneGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PlaneGeometrySpec.js
rename to packages/core/Specs/PlaneGeometrySpec.js
diff --git a/packages/engine/Specs/Core/PlaneOutlineGeometrySpec.js b/packages/core/Specs/PlaneOutlineGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PlaneOutlineGeometrySpec.js
rename to packages/core/Specs/PlaneOutlineGeometrySpec.js
diff --git a/packages/engine/Specs/Core/PlaneSpec.js b/packages/core/Specs/PlaneSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PlaneSpec.js
rename to packages/core/Specs/PlaneSpec.js
diff --git a/packages/engine/Specs/Core/PolygonGeometryLibrarySpec.js b/packages/core/Specs/PolygonGeometryLibrarySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PolygonGeometryLibrarySpec.js
rename to packages/core/Specs/PolygonGeometryLibrarySpec.js
diff --git a/packages/engine/Specs/Core/PolygonGeometrySpec.js b/packages/core/Specs/PolygonGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PolygonGeometrySpec.js
rename to packages/core/Specs/PolygonGeometrySpec.js
diff --git a/packages/engine/Specs/Core/PolygonOutlineGeometrySpec.js b/packages/core/Specs/PolygonOutlineGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PolygonOutlineGeometrySpec.js
rename to packages/core/Specs/PolygonOutlineGeometrySpec.js
diff --git a/packages/engine/Specs/Core/PolygonPipelineSpec.js b/packages/core/Specs/PolygonPipelineSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PolygonPipelineSpec.js
rename to packages/core/Specs/PolygonPipelineSpec.js
diff --git a/packages/engine/Specs/Core/PolylineGeometrySpec.js b/packages/core/Specs/PolylineGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PolylineGeometrySpec.js
rename to packages/core/Specs/PolylineGeometrySpec.js
diff --git a/packages/engine/Specs/Core/PolylinePipelineSpec.js b/packages/core/Specs/PolylinePipelineSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PolylinePipelineSpec.js
rename to packages/core/Specs/PolylinePipelineSpec.js
diff --git a/packages/engine/Specs/Core/PolylineVolumeGeometryLibrarySpec.js b/packages/core/Specs/PolylineVolumeGeometryLibrarySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PolylineVolumeGeometryLibrarySpec.js
rename to packages/core/Specs/PolylineVolumeGeometryLibrarySpec.js
diff --git a/packages/engine/Specs/Core/PolylineVolumeGeometrySpec.js b/packages/core/Specs/PolylineVolumeGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PolylineVolumeGeometrySpec.js
rename to packages/core/Specs/PolylineVolumeGeometrySpec.js
diff --git a/packages/engine/Specs/Core/PolylineVolumeOutlineGeometrySpec.js b/packages/core/Specs/PolylineVolumeOutlineGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PolylineVolumeOutlineGeometrySpec.js
rename to packages/core/Specs/PolylineVolumeOutlineGeometrySpec.js
diff --git a/packages/engine/Specs/Core/PrimitiveTypeSpec.js b/packages/core/Specs/PrimitiveTypeSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/PrimitiveTypeSpec.js
rename to packages/core/Specs/PrimitiveTypeSpec.js
diff --git a/packages/engine/Specs/Core/QuadraticRealPolynomialSpec.js b/packages/core/Specs/QuadraticRealPolynomialSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/QuadraticRealPolynomialSpec.js
rename to packages/core/Specs/QuadraticRealPolynomialSpec.js
diff --git a/packages/engine/Specs/Core/QuantizedMeshTerrainDataSpec.js b/packages/core/Specs/QuantizedMeshTerrainDataSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/QuantizedMeshTerrainDataSpec.js
rename to packages/core/Specs/QuantizedMeshTerrainDataSpec.js
diff --git a/packages/engine/Specs/Core/QuarticRealPolynomialSpec.js b/packages/core/Specs/QuarticRealPolynomialSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/QuarticRealPolynomialSpec.js
rename to packages/core/Specs/QuarticRealPolynomialSpec.js
diff --git a/packages/engine/Specs/Core/QuaternionSpec.js b/packages/core/Specs/QuaternionSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/QuaternionSpec.js
rename to packages/core/Specs/QuaternionSpec.js
diff --git a/packages/engine/Specs/Core/QuaternionSplineSpec.js b/packages/core/Specs/QuaternionSplineSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/QuaternionSplineSpec.js
rename to packages/core/Specs/QuaternionSplineSpec.js
diff --git a/packages/engine/Specs/Core/QueueSpec.js b/packages/core/Specs/QueueSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/QueueSpec.js
rename to packages/core/Specs/QueueSpec.js
diff --git a/packages/engine/Specs/Core/RaySpec.js b/packages/core/Specs/RaySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/RaySpec.js
rename to packages/core/Specs/RaySpec.js
diff --git a/packages/engine/Specs/Core/RectangleCollisionCheckerSpec.js b/packages/core/Specs/RectangleCollisionCheckerSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/RectangleCollisionCheckerSpec.js
rename to packages/core/Specs/RectangleCollisionCheckerSpec.js
diff --git a/packages/engine/Specs/Core/RectangleGeometrySpec.js b/packages/core/Specs/RectangleGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/RectangleGeometrySpec.js
rename to packages/core/Specs/RectangleGeometrySpec.js
diff --git a/packages/engine/Specs/Core/RectangleOutlineGeometrySpec.js b/packages/core/Specs/RectangleOutlineGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/RectangleOutlineGeometrySpec.js
rename to packages/core/Specs/RectangleOutlineGeometrySpec.js
diff --git a/packages/engine/Specs/Core/RectangleSpec.js b/packages/core/Specs/RectangleSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/RectangleSpec.js
rename to packages/core/Specs/RectangleSpec.js
diff --git a/packages/engine/Specs/Core/RequestErrorEventSpec.js b/packages/core/Specs/RequestErrorEventSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/RequestErrorEventSpec.js
rename to packages/core/Specs/RequestErrorEventSpec.js
diff --git a/packages/engine/Specs/Core/RequestSchedulerSpec.js b/packages/core/Specs/RequestSchedulerSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/RequestSchedulerSpec.js
rename to packages/core/Specs/RequestSchedulerSpec.js
diff --git a/packages/engine/Specs/Core/RequestSpec.js b/packages/core/Specs/RequestSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/RequestSpec.js
rename to packages/core/Specs/RequestSpec.js
diff --git a/packages/engine/Specs/Core/ResourceSpec.js b/packages/core/Specs/ResourceSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/ResourceSpec.js
rename to packages/core/Specs/ResourceSpec.js
diff --git a/packages/engine/Specs/Core/RuntimeErrorSpec.js b/packages/core/Specs/RuntimeErrorSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/RuntimeErrorSpec.js
rename to packages/core/Specs/RuntimeErrorSpec.js
diff --git a/packages/engine/Specs/Core/S2CellSpec.js b/packages/core/Specs/S2CellSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/S2CellSpec.js
rename to packages/core/Specs/S2CellSpec.js
diff --git a/packages/engine/Specs/Core/ScreenSpaceEventHandlerSpec.js b/packages/core/Specs/ScreenSpaceEventHandlerSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/ScreenSpaceEventHandlerSpec.js
rename to packages/core/Specs/ScreenSpaceEventHandlerSpec.js
diff --git a/packages/engine/Specs/Core/ShowGeometryInstanceAttributeSpec.js b/packages/core/Specs/ShowGeometryInstanceAttributeSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/ShowGeometryInstanceAttributeSpec.js
rename to packages/core/Specs/ShowGeometryInstanceAttributeSpec.js
diff --git a/packages/engine/Specs/Core/Simon1994PlanetaryPositionsSpec.js b/packages/core/Specs/Simon1994PlanetaryPositionsSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/Simon1994PlanetaryPositionsSpec.js
rename to packages/core/Specs/Simon1994PlanetaryPositionsSpec.js
diff --git a/packages/engine/Specs/Core/SimplePolylineGeometrySpec.js b/packages/core/Specs/SimplePolylineGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/SimplePolylineGeometrySpec.js
rename to packages/core/Specs/SimplePolylineGeometrySpec.js
diff --git a/packages/engine/Specs/Core/SphereGeometrySpec.js b/packages/core/Specs/SphereGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/SphereGeometrySpec.js
rename to packages/core/Specs/SphereGeometrySpec.js
diff --git a/packages/engine/Specs/Core/SphereOutlineGeometrySpec.js b/packages/core/Specs/SphereOutlineGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/SphereOutlineGeometrySpec.js
rename to packages/core/Specs/SphereOutlineGeometrySpec.js
diff --git a/packages/engine/Specs/Core/SphericalSpec.js b/packages/core/Specs/SphericalSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/SphericalSpec.js
rename to packages/core/Specs/SphericalSpec.js
diff --git a/packages/engine/Specs/Core/SplineSpec.js b/packages/core/Specs/SplineSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/SplineSpec.js
rename to packages/core/Specs/SplineSpec.js
diff --git a/packages/engine/Specs/Core/SteppedSplineSpec.js b/packages/core/Specs/SteppedSplineSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/SteppedSplineSpec.js
rename to packages/core/Specs/SteppedSplineSpec.js
diff --git a/packages/engine/Specs/Core/StereographicSpec.js b/packages/core/Specs/StereographicSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/StereographicSpec.js
rename to packages/core/Specs/StereographicSpec.js
diff --git a/packages/engine/Specs/Core/TaskProcessorSpec.js b/packages/core/Specs/TaskProcessorSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/TaskProcessorSpec.js
rename to packages/core/Specs/TaskProcessorSpec.js
diff --git a/packages/engine/Specs/Core/TerrainEncodingSpec.js b/packages/core/Specs/TerrainEncodingSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/TerrainEncodingSpec.js
rename to packages/core/Specs/TerrainEncodingSpec.js
diff --git a/packages/engine/Specs/Core/TileAvailabilitySpec.js b/packages/core/Specs/TileAvailabilitySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/TileAvailabilitySpec.js
rename to packages/core/Specs/TileAvailabilitySpec.js
diff --git a/packages/engine/Specs/Core/TimeIntervalCollectionSpec.js b/packages/core/Specs/TimeIntervalCollectionSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/TimeIntervalCollectionSpec.js
rename to packages/core/Specs/TimeIntervalCollectionSpec.js
diff --git a/packages/engine/Specs/Core/TimeIntervalSpec.js b/packages/core/Specs/TimeIntervalSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/TimeIntervalSpec.js
rename to packages/core/Specs/TimeIntervalSpec.js
diff --git a/packages/engine/Specs/Core/TipsifySpec.js b/packages/core/Specs/TipsifySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/TipsifySpec.js
rename to packages/core/Specs/TipsifySpec.js
diff --git a/packages/engine/Specs/Core/TransformsSpec.js b/packages/core/Specs/TransformsSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/TransformsSpec.js
rename to packages/core/Specs/TransformsSpec.js
diff --git a/packages/engine/Specs/Core/TranslationRotationScaleSpec.js b/packages/core/Specs/TranslationRotationScaleSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/TranslationRotationScaleSpec.js
rename to packages/core/Specs/TranslationRotationScaleSpec.js
diff --git a/packages/engine/Specs/Core/TridiagonalSystemSolverSpec.js b/packages/core/Specs/TridiagonalSystemSolverSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/TridiagonalSystemSolverSpec.js
rename to packages/core/Specs/TridiagonalSystemSolverSpec.js
diff --git a/packages/engine/Specs/Core/TrustedServersSpec.js b/packages/core/Specs/TrustedServersSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/TrustedServersSpec.js
rename to packages/core/Specs/TrustedServersSpec.js
diff --git a/packages/engine/Specs/Core/VRTheWorldTerrainProviderSpec.js b/packages/core/Specs/VRTheWorldTerrainProviderSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/VRTheWorldTerrainProviderSpec.js
rename to packages/core/Specs/VRTheWorldTerrainProviderSpec.js
diff --git a/packages/engine/Specs/Core/VertexFormatSpec.js b/packages/core/Specs/VertexFormatSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/VertexFormatSpec.js
rename to packages/core/Specs/VertexFormatSpec.js
diff --git a/packages/engine/Specs/Core/VerticalExaggerationSpec.js b/packages/core/Specs/VerticalExaggerationSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/VerticalExaggerationSpec.js
rename to packages/core/Specs/VerticalExaggerationSpec.js
diff --git a/packages/engine/Specs/Core/VideoSynchronizerSpec.js b/packages/core/Specs/VideoSynchronizerSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/VideoSynchronizerSpec.js
rename to packages/core/Specs/VideoSynchronizerSpec.js
diff --git a/packages/engine/Specs/Core/WallGeometrySpec.js b/packages/core/Specs/WallGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/WallGeometrySpec.js
rename to packages/core/Specs/WallGeometrySpec.js
diff --git a/packages/engine/Specs/Core/WallOutlineGeometrySpec.js b/packages/core/Specs/WallOutlineGeometrySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/WallOutlineGeometrySpec.js
rename to packages/core/Specs/WallOutlineGeometrySpec.js
diff --git a/packages/engine/Specs/Core/WebMercatorProjectionSpec.js b/packages/core/Specs/WebMercatorProjectionSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/WebMercatorProjectionSpec.js
rename to packages/core/Specs/WebMercatorProjectionSpec.js
diff --git a/packages/engine/Specs/Core/WebMercatorTilingSchemeSpec.js b/packages/core/Specs/WebMercatorTilingSchemeSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/WebMercatorTilingSchemeSpec.js
rename to packages/core/Specs/WebMercatorTilingSchemeSpec.js
diff --git a/packages/engine/Specs/Core/WireframeIndexGeneratorSpec.js b/packages/core/Specs/WireframeIndexGeneratorSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/WireframeIndexGeneratorSpec.js
rename to packages/core/Specs/WireframeIndexGeneratorSpec.js
diff --git a/packages/engine/Specs/Core/appendForwardSlashSpec.js b/packages/core/Specs/appendForwardSlashSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/appendForwardSlashSpec.js
rename to packages/core/Specs/appendForwardSlashSpec.js
diff --git a/packages/engine/Specs/Core/arrayRemoveDuplicatesSpec.js b/packages/core/Specs/arrayRemoveDuplicatesSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/arrayRemoveDuplicatesSpec.js
rename to packages/core/Specs/arrayRemoveDuplicatesSpec.js
diff --git a/packages/engine/Specs/Core/barycentricCoordinatesSpec.js b/packages/core/Specs/barycentricCoordinatesSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/barycentricCoordinatesSpec.js
rename to packages/core/Specs/barycentricCoordinatesSpec.js
diff --git a/packages/engine/Specs/Core/binarySearchSpec.js b/packages/core/Specs/binarySearchSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/binarySearchSpec.js
rename to packages/core/Specs/binarySearchSpec.js
diff --git a/packages/engine/Specs/Core/buildModuleUrlSpec.js b/packages/core/Specs/buildModuleUrlSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/buildModuleUrlSpec.js
rename to packages/core/Specs/buildModuleUrlSpec.js
diff --git a/packages/engine/Specs/Core/cloneSpec.js b/packages/core/Specs/cloneSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/cloneSpec.js
rename to packages/core/Specs/cloneSpec.js
diff --git a/packages/engine/Specs/Core/combineSpec.js b/packages/core/Specs/combineSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/combineSpec.js
rename to packages/core/Specs/combineSpec.js
diff --git a/packages/engine/Specs/Core/createGuidSpec.js b/packages/core/Specs/createGuidSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/createGuidSpec.js
rename to packages/core/Specs/createGuidSpec.js
diff --git a/packages/engine/Specs/Core/createWorldBathymetryAsyncSpec.js b/packages/core/Specs/createWorldBathymetryAsyncSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/createWorldBathymetryAsyncSpec.js
rename to packages/core/Specs/createWorldBathymetryAsyncSpec.js
diff --git a/packages/engine/Specs/Core/createWorldTerrainAsyncSpec.js b/packages/core/Specs/createWorldTerrainAsyncSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/createWorldTerrainAsyncSpec.js
rename to packages/core/Specs/createWorldTerrainAsyncSpec.js
diff --git a/packages/engine/Specs/Core/defaultValueSpec.js b/packages/core/Specs/defaultValueSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/defaultValueSpec.js
rename to packages/core/Specs/defaultValueSpec.js
diff --git a/packages/engine/Specs/Core/definedSpec.js b/packages/core/Specs/definedSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/definedSpec.js
rename to packages/core/Specs/definedSpec.js
diff --git a/packages/engine/Specs/Core/deprecationWarningSpec.js b/packages/core/Specs/deprecationWarningSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/deprecationWarningSpec.js
rename to packages/core/Specs/deprecationWarningSpec.js
diff --git a/packages/engine/Specs/Core/getAbsoluteUriSpec.js b/packages/core/Specs/getAbsoluteUriSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/getAbsoluteUriSpec.js
rename to packages/core/Specs/getAbsoluteUriSpec.js
diff --git a/packages/engine/Specs/Core/getBaseUriSpec.js b/packages/core/Specs/getBaseUriSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/getBaseUriSpec.js
rename to packages/core/Specs/getBaseUriSpec.js
diff --git a/packages/engine/Specs/Core/getExtensionFromUriSpec.js b/packages/core/Specs/getExtensionFromUriSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/getExtensionFromUriSpec.js
rename to packages/core/Specs/getExtensionFromUriSpec.js
diff --git a/packages/engine/Specs/Core/getFilenameFromUriSpec.js b/packages/core/Specs/getFilenameFromUriSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/getFilenameFromUriSpec.js
rename to packages/core/Specs/getFilenameFromUriSpec.js
diff --git a/packages/engine/Specs/Core/getImageFromTypedArraySpec.js b/packages/core/Specs/getImageFromTypedArraySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/getImageFromTypedArraySpec.js
rename to packages/core/Specs/getImageFromTypedArraySpec.js
diff --git a/packages/engine/Specs/Core/getJsonFromTypedArraySpec.js b/packages/core/Specs/getJsonFromTypedArraySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/getJsonFromTypedArraySpec.js
rename to packages/core/Specs/getJsonFromTypedArraySpec.js
diff --git a/packages/engine/Specs/Core/getStringFromTypedArraySpec.js b/packages/core/Specs/getStringFromTypedArraySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/getStringFromTypedArraySpec.js
rename to packages/core/Specs/getStringFromTypedArraySpec.js
diff --git a/packages/engine/Specs/Core/isBlobUriSpec.js b/packages/core/Specs/isBlobUriSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/isBlobUriSpec.js
rename to packages/core/Specs/isBlobUriSpec.js
diff --git a/packages/engine/Specs/Core/isCrossOriginUrlSpec.js b/packages/core/Specs/isCrossOriginUrlSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/isCrossOriginUrlSpec.js
rename to packages/core/Specs/isCrossOriginUrlSpec.js
diff --git a/packages/engine/Specs/Core/isDataUriSpec.js b/packages/core/Specs/isDataUriSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/isDataUriSpec.js
rename to packages/core/Specs/isDataUriSpec.js
diff --git a/packages/engine/Specs/Core/isLeapYearSpec.js b/packages/core/Specs/isLeapYearSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/isLeapYearSpec.js
rename to packages/core/Specs/isLeapYearSpec.js
diff --git a/packages/engine/Specs/Core/loadImageFromTypedArraySpec.js b/packages/core/Specs/loadImageFromTypedArraySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/loadImageFromTypedArraySpec.js
rename to packages/core/Specs/loadImageFromTypedArraySpec.js
diff --git a/packages/engine/Specs/Core/loadKTX2Spec.js b/packages/core/Specs/loadKTX2Spec.js
similarity index 100%
rename from packages/engine/Specs/Core/loadKTX2Spec.js
rename to packages/core/Specs/loadKTX2Spec.js
diff --git a/packages/engine/Specs/Core/mergeSortSpec.js b/packages/core/Specs/mergeSortSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/mergeSortSpec.js
rename to packages/core/Specs/mergeSortSpec.js
diff --git a/packages/engine/Specs/Core/objectToQuerySpec.js b/packages/core/Specs/objectToQuerySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/objectToQuerySpec.js
rename to packages/core/Specs/objectToQuerySpec.js
diff --git a/packages/engine/Specs/Core/oneTimeWarningSpec.js b/packages/core/Specs/oneTimeWarningSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/oneTimeWarningSpec.js
rename to packages/core/Specs/oneTimeWarningSpec.js
diff --git a/packages/engine/Specs/Core/parseResponseHeadersSpec.js b/packages/core/Specs/parseResponseHeadersSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/parseResponseHeadersSpec.js
rename to packages/core/Specs/parseResponseHeadersSpec.js
diff --git a/packages/engine/Specs/Core/pointInsideTriangleSpec.js b/packages/core/Specs/pointInsideTriangleSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/pointInsideTriangleSpec.js
rename to packages/core/Specs/pointInsideTriangleSpec.js
diff --git a/packages/engine/Specs/Core/queryToObjectSpec.js b/packages/core/Specs/queryToObjectSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/queryToObjectSpec.js
rename to packages/core/Specs/queryToObjectSpec.js
diff --git a/packages/engine/Specs/Core/resizeImageToNextPowerOfTwoSpec.js b/packages/core/Specs/resizeImageToNextPowerOfTwoSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/resizeImageToNextPowerOfTwoSpec.js
rename to packages/core/Specs/resizeImageToNextPowerOfTwoSpec.js
diff --git a/packages/engine/Specs/Core/sampleTerrainMostDetailedSpec.js b/packages/core/Specs/sampleTerrainMostDetailedSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/sampleTerrainMostDetailedSpec.js
rename to packages/core/Specs/sampleTerrainMostDetailedSpec.js
diff --git a/packages/engine/Specs/Core/sampleTerrainSpec.js b/packages/core/Specs/sampleTerrainSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/sampleTerrainSpec.js
rename to packages/core/Specs/sampleTerrainSpec.js
diff --git a/packages/engine/Specs/Core/srgbToLinearSpec.js b/packages/core/Specs/srgbToLinearSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/srgbToLinearSpec.js
rename to packages/core/Specs/srgbToLinearSpec.js
diff --git a/packages/engine/Specs/Core/subdivideArraySpec.js b/packages/core/Specs/subdivideArraySpec.js
similarity index 100%
rename from packages/engine/Specs/Core/subdivideArraySpec.js
rename to packages/core/Specs/subdivideArraySpec.js
diff --git a/packages/engine/Specs/Core/writeTextToCanvasSpec.js b/packages/core/Specs/writeTextToCanvasSpec.js
similarity index 100%
rename from packages/engine/Specs/Core/writeTextToCanvasSpec.js
rename to packages/core/Specs/writeTextToCanvasSpec.js
diff --git a/packages/core/package.json b/packages/core/package.json
new file mode 100644
index 000000000000..8461dbdc74a9
--- /dev/null
+++ b/packages/core/package.json
@@ -0,0 +1,76 @@
+{
+  "name": "@cesium/core",
+  "version": "0.0.0",
+  "description": "CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.",
+  "keywords": [
+    "3D",
+    "webgl",
+    "geospatial",
+    "map",
+    "globe"
+  ],
+  "main": "index.js",
+  "module": "index.js",
+  "types": "index.d.ts",
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "Source",
+    "Build/**",
+    "!Build/Specs/**",
+    "!Build/minifyShaders.state",
+    "README.md",
+    "LICENSE.md"
+  ],
+  "engines": {
+    "node": ">=14.0.0"
+  },
+  "sideEffects": [
+    "./Source/ThirdParty/**/*",
+    "./Source/Widget/*.css",
+    "./Source/Workers/*",
+    "./Specs/**/*"
+  ],
+  "dependencies": {
+    "@tweenjs/tween.js": "^25.0.0",
+    "@zip.js/zip.js": "^2.7.34",
+    "autolinker": "^4.0.0",
+    "bitmap-sdf": "^1.0.3",
+    "dompurify": "^3.0.2",
+    "draco3d": "^1.5.1",
+    "earcut": "^3.0.0",
+    "grapheme-splitter": "^1.0.4",
+    "jsep": "^1.3.8",
+    "kdbush": "^4.0.1",
+    "ktx-parse": "^0.7.0",
+    "lerc": "^2.0.0",
+    "mersenne-twister": "^1.1.0",
+    "meshoptimizer": "^0.22.0",
+    "pako": "^2.0.4",
+    "protobufjs": "^7.1.0",
+    "rbush": "3.0.1",
+    "topojson-client": "^3.1.0",
+    "urijs": "^1.19.7"
+  },
+  "type": "module",
+  "scripts": {
+    "build": "gulp build --workspace @cesium/core",
+    "build-ts": "gulp buildTs --workspace @cesium/core",
+    "coverage": "gulp coverage --workspace @cesium/core",
+    "test": "gulp test --workspace @cesium/core",
+    "postversion": "gulp postversion --workspace @cesium/core"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/CesiumGS/cesium.git"
+  },
+  "homepage": "https://cesium.com/cesiumjs/",
+  "license": "Apache-2.0",
+  "author": {
+    "name": "Cesium GS, Inc.",
+    "url": "https://cesium.com"
+  },
+  "bugs": {
+    "url": "https://github.com/CesiumGS/cesium/issues"
+  }
+}
diff --git a/packages/engine/package.json b/packages/engine/package.json
index 1c33ec28b78a..70c81c068405 100644
--- a/packages/engine/package.json
+++ b/packages/engine/package.json
@@ -32,6 +32,7 @@
     "./Specs/**/*"
   ],
   "dependencies": {
+    "@cesium/core": "0.0.0",
     "@tweenjs/tween.js": "^25.0.0",
     "@zip.js/zip.js": "^2.7.34",
     "autolinker": "^4.0.0",
diff --git a/packages/widgets/package.json b/packages/widgets/package.json
index fbcc895a51bb..45fe53672f49 100644
--- a/packages/widgets/package.json
+++ b/packages/widgets/package.json
@@ -28,6 +28,7 @@
     "node": ">=14.0.0"
   },
   "dependencies": {
+    "@cesium/core": "0.0.0",
     "@cesium/engine": "^13.1.0",
     "nosleep.js": "^0.12.0"
   },
diff --git a/scripts/build.js b/scripts/build.js
index a28de85995a0..21d7b72a5f4e 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -261,6 +261,7 @@ const workspaceSourceFiles = {
     "!packages/engine/Source/ThirdParty/_*",
   ],
   widgets: ["packages/widgets/Source/**/*.js"],
+  core: ["packages/core/Source/**/*.js"],
 };
 
 /**
@@ -307,6 +308,7 @@ export async function createCesiumJs() {
 const workspaceSpecFiles = {
   engine: ["packages/engine/Specs/**/*Spec.js"],
   widgets: ["packages/widgets/Specs/**/*Spec.js"],
+  core: ["packages/core/Specs/**/*Spec.js"],
 };
 
 /**
@@ -1065,6 +1067,39 @@ export const buildWidgets = async (options) => {
   });
 };
 
+/**
+ * Builds the widgets workspace.
+ *
+ * @param {object} options
+ * @param {boolean} [options.incremental=false] True if builds should be generated incrementally.
+ * @param {boolean} [options.write=true] True if bundles generated are written to files instead of in-memory buffers.
+ */
+export const buildCore = async (options) => {
+  options = options || {};
+
+  const incremental = options.incremental ?? false;
+  const write = options.write ?? true;
+
+  // Generate Build folder to place build artifacts.
+  mkdirp.sync("packages/core/Build");
+
+  // Create index.js
+  await createIndexJs("core");
+
+  // Create SpecList.js
+  const specFiles = await globby(workspaceSpecFiles["core"]);
+  const specListFile = path.join("packages/core/Specs", "SpecList.js");
+  await createSpecListForWorkspace(specFiles, "core", specListFile);
+
+  await bundleSpecs({
+    incremental: incremental,
+    outbase: "packages/core/Specs",
+    outdir: "packages/core/Build/Specs",
+    specListFile: specListFile,
+    write: write,
+  });
+};
+
 /**
  * Build CesiumJS.
  *