ARKit iOS 11.4 to 12.0 API Differences

ARAnchor.h

Added -[ARAnchorCopying initWithAnchor:]

Added -[ARAnchor initWithName:transform:]

	Protocols
From	NSCopying, NSSecureCoding
To	ARAnchorCopying, NSSecureCoding

Modified ARAnchor.transform

	Declaration
From	@property (nonatomic, readonly) matrix_float4x4 transform
To	@property (nonatomic, readonly) simd_float4x4 transform

Modified -[ARAnchor initWithTransform:]

	Declaration
From	- (nonnull instancetype)initWithTransform:(matrix_float4x4)transform
To	- (nonnull instancetype)initWithTransform:(simd_float4x4)transform

ARCamera.h

Added -[ARCamera unprojectPoint:ontoPlaneWithTransform:orientation:viewportSize:]

Modified ARCamera.transform

	Declaration
From	@property (nonatomic, readonly) matrix_float4x4 transform
To	@property (nonatomic, readonly) simd_float4x4 transform

Modified ARCamera.eulerAngles

	Declaration
From	@property (nonatomic, readonly) vector_float3 eulerAngles
To	@property (nonatomic, readonly) simd_float3 eulerAngles

Modified ARCamera.intrinsics

	Declaration
From	@property (nonatomic, readonly) matrix_float3x3 intrinsics
To	@property (nonatomic, readonly) simd_float3x3 intrinsics

Modified ARCamera.projectionMatrix

	Declaration
From	@property (nonatomic, readonly) matrix_float4x4 projectionMatrix
To	@property (nonatomic, readonly) simd_float4x4 projectionMatrix

Modified -[ARCamera projectionMatrixForOrientation:viewportSize:zNear:zFar:]

	Declaration
From	- (matrix_float4x4)projectionMatrixForOrientation:(UIInterfaceOrientation)orientation viewportSize:(CGSize)viewportSize zNear:(CGFloat)zNear zFar:(CGFloat)zFar
To	- (simd_float4x4)projectionMatrixForOrientation:(UIInterfaceOrientation)orientation viewportSize:(CGSize)viewportSize zNear:(CGFloat)zNear zFar:(CGFloat)zFar

Modified -[ARCamera projectPoint:orientation:viewportSize:]

	Declaration
From	- (CGPoint)projectPoint:(vector_float3)point orientation:(UIInterfaceOrientation)orientation viewportSize:(CGSize)viewportSize
To	- (CGPoint)projectPoint:(simd_float3)point orientation:(UIInterfaceOrientation)orientation viewportSize:(CGSize)viewportSize

Modified -[ARCamera viewMatrixForOrientation:]

	Declaration
From	- (matrix_float4x4)viewMatrixForOrientation:(UIInterfaceOrientation)orientation
To	- (simd_float4x4)viewMatrixForOrientation:(UIInterfaceOrientation)orientation

ARConfiguration.h

Added AREnvironmentTexturing

Added AREnvironmentTexturingNone

Added AREnvironmentTexturingManual

Added AREnvironmentTexturingAutomatic

Added ARWorldTrackingConfiguration.environmentTexturing

Added ARWorldTrackingConfiguration.initialWorldMap

Added ARWorldTrackingConfiguration.maximumNumberOfTrackedImages

Added ARWorldTrackingConfiguration.detectionObjects

Added ARImageTrackingConfiguration

Added ARImageTrackingConfiguration.autoFocusEnabled

Added ARImageTrackingConfiguration.trackingImages

Added ARImageTrackingConfiguration.maximumNumberOfTrackedImages

Added -[ARImageTrackingConfiguration init]

Added +[ARImageTrackingConfiguration new]

Added ARObjectScanningConfiguration

Added ARObjectScanningConfiguration.autoFocusEnabled

Added ARObjectScanningConfiguration.planeDetection

Added -[ARObjectScanningConfiguration init]

Added +[ARObjectScanningConfiguration new]

Modified ARConfiguration.supportedVideoFormats

	Declaration
From	@property (class, nonatomic, readonly, strong, nonnull) NSArray<ARVideoFormat > supportedVideoFormats
To	@property (class, nonatomic, readonly, nonnull) NSArray<ARVideoFormat > supportedVideoFormats

Modified ARConfiguration.videoFormat

	Declaration
From	@property (nonatomic, readwrite, strong, nonnull) ARVideoFormat *videoFormat
To	@property (nonatomic, strong, nonnull) ARVideoFormat *videoFormat

Modified ARConfiguration.worldAlignment

	Declaration
From	@property (nonatomic, readwrite) ARWorldAlignment worldAlignment
To	@property (nonatomic, assign) ARWorldAlignment worldAlignment

Modified ARConfiguration.lightEstimationEnabled

	Declaration
From	@property (nonatomic, readwrite, getter=isLightEstimationEnabled) BOOL lightEstimationEnabled
To	@property (nonatomic, assign, getter=isLightEstimationEnabled) BOOL lightEstimationEnabled

Modified ARConfiguration.providesAudioData

	Declaration
From	@property (nonatomic, readwrite) BOOL providesAudioData
To	@property (nonatomic, assign) BOOL providesAudioData

Modified ARWorldTrackingConfiguration.autoFocusEnabled

	Declaration
From	@property (nonatomic, readwrite, getter=isAutoFocusEnabled) BOOL autoFocusEnabled
To	@property (nonatomic, assign, getter=isAutoFocusEnabled) BOOL autoFocusEnabled

Modified ARWorldTrackingConfiguration.planeDetection

	Declaration
From	@property (nonatomic, readwrite) ARPlaneDetection planeDetection
To	@property (nonatomic, assign) ARPlaneDetection planeDetection

Modified ARWorldTrackingConfiguration.detectionImages

	Declaration
From	@property (nonatomic, readwrite, copy, nullable) NSSet<ARReferenceImage > detectionImages
To	@property (nonatomic, copy, null_resettable) NSSet<ARReferenceImage > detectionImages

Modified AROrientationTrackingConfiguration.autoFocusEnabled

	Declaration
From	@property (nonatomic, readwrite, getter=isAutoFocusEnabled) BOOL autoFocusEnabled
To	@property (nonatomic, assign, getter=isAutoFocusEnabled) BOOL autoFocusEnabled

AREnvironmentProbeAnchor.h

Added AREnvironmentProbeAnchor

Added AREnvironmentProbeAnchor.environmentTexture

Added AREnvironmentProbeAnchor.extent

Added -[AREnvironmentProbeAnchor initWithTransform:extent:]

Added -[AREnvironmentProbeAnchor initWithName:transform:extent:]

ARError.h

Added ARErrorCodeMicrophoneUnauthorized

Added ARErrorCodeInvalidReferenceObject

Added ARErrorCodeInvalidWorldMap

Added ARErrorCodeInvalidConfiguration

Added ARErrorCodeInsufficientFeatures

Added ARErrorCodeObjectMergeFailed

Added ARErrorCodeFileIOFailed

ARFaceAnchor.h

Added ARBlendShapeLocationTongueOut

Added ARFaceAnchor.leftEyeTransform

Added ARFaceAnchor.rightEyeTransform

Added ARFaceAnchor.lookAtPoint

ARFaceGeometry.h

Modified ARFaceGeometry.vertices

	Declaration
From	@property (nonatomic, readonly, nonnull) const vector_float3 *vertices
To	@property (nonatomic, readonly, nonnull) const simd_float3 *vertices

Modified ARFaceGeometry.textureCoordinates

	Declaration
From	@property (nonatomic, readonly, nonnull) const vector_float2 *textureCoordinates
To	@property (nonatomic, readonly, nonnull) const simd_float2 *textureCoordinates

ARFrame.h

Added ARWorldMappingStatus

Added ARWorldMappingStatusNotAvailable

Added ARWorldMappingStatusLimited

Added ARWorldMappingStatusExtending

Added ARWorldMappingStatusMapped

Added ARFrame.worldMappingStatus

ARHitTestResult.h

Modified ARHitTestResult.localTransform

	Declaration
From	@property (nonatomic, readonly) matrix_float4x4 localTransform
To	@property (nonatomic, readonly) simd_float4x4 localTransform

Modified ARHitTestResult.worldTransform

	Declaration
From	@property (nonatomic, readonly) matrix_float4x4 worldTransform
To	@property (nonatomic, readonly) simd_float4x4 worldTransform

ARImageAnchor.h

Modified ARImageAnchor

	Protocols
From	none
To	ARTrackable

ARLightEstimate.h

Modified ARDirectionalLightEstimate.primaryLightDirection

	Declaration
From	@property (nonatomic, readonly) vector_float3 primaryLightDirection
To	@property (nonatomic, readonly) simd_float3 primaryLightDirection

ARObjectAnchor.h

Added ARObjectAnchor

Added ARObjectAnchor.referenceObject

ARPlaneAnchor.h

Added ARPlaneClassificationStatus

Added ARPlaneClassificationStatusNotAvailable

Added ARPlaneClassificationStatusUndetermined

Added ARPlaneClassificationStatusUnknown

Added ARPlaneClassificationStatusKnown

Added ARPlaneClassification

Added ARPlaneClassificationNone

Added ARPlaneClassificationWall

Added ARPlaneClassificationFloor

Added ARPlaneClassificationCeiling

Added ARPlaneClassificationTable

Added ARPlaneClassificationSeat

Added ARPlaneAnchor.classificationSupported

Added ARPlaneAnchor.classificationStatus

Added ARPlaneAnchor.classification

Modified ARPlaneAnchor.center

	Declaration
From	@property (nonatomic, readonly) vector_float3 center
To	@property (nonatomic, readonly) simd_float3 center

Modified ARPlaneAnchor.extent

	Declaration
From	@property (nonatomic, readonly) vector_float3 extent
To	@property (nonatomic, readonly) simd_float3 extent

ARPlaneGeometry.h

Modified ARPlaneGeometry.vertices

	Declaration
From	@property (nonatomic, readonly, nonnull) const vector_float3 *vertices
To	@property (nonatomic, readonly, nonnull) const simd_float3 *vertices

Modified ARPlaneGeometry.textureCoordinates

	Declaration
From	@property (nonatomic, readonly, nonnull) const vector_float2 *textureCoordinates
To	@property (nonatomic, readonly, nonnull) const simd_float2 *textureCoordinates

Modified ARPlaneGeometry.boundaryVertices

	Declaration
From	@property (nonatomic, readonly, nonnull) const vector_float3 *boundaryVertices
To	@property (nonatomic, readonly, nonnull) const simd_float3 *boundaryVertices

ARPointCloud.h

Modified ARPointCloud.points