SceneKit Changes

SceneKit

Removed SCNPhysicsCollisionCategory.value

Added CAAnimation.animationEvents

Added CAAnimation.fadeInDuration

Added CAAnimation.fadeOutDuration

Added CAAnimation.usesSceneTimeBase

Added NSValue.init(SCNMatrix4: SCNMatrix4)

Added NSValue.SCNMatrix4Value

Added NSValue.init(SCNVector3: SCNVector3)

Added NSValue.SCNVector3Value

Added NSValue.init(SCNVector4: SCNVector4)

Added NSValue.SCNVector4Value

Added SCNPhysicsCollisionCategory.init(rawValue: UInt)

Added SCNProgram.geometryShader

Added SCNProgram.tessellationControlShader

Added SCNProgram.tessellationEvaluationShader

Added SCNSceneRenderer.overlaySKScene

Added SCNVector3.init()

Added SCNVector3.init(x: CGFloat, y: CGFloat, z: CGFloat)

Added SCNVector4.init()

Added SCNVector4.init(x: CGFloat, y: CGFloat, z: CGFloat, w: CGFloat)

Added SCNMatrix4FromGLKMatrix4(GLKMatrix4) -> SCNMatrix4

Added SCNMatrix4ToGLKMatrix4(SCNMatrix4) -> GLKMatrix4

Added SCNVector3FromGLKVector3(GLKVector3) -> SCNVector3

Added SCNVector3ToGLKVector3(SCNVector3) -> GLKVector3

Added SCNVector4FromGLKVector4(GLKVector4) -> SCNVector4

Added SCNVector4ToGLKVector4(SCNVector4) -> GLKVector4

Modified SCNAction.customActionWithDuration(NSTimeInterval, actionBlock:(SCNNode!, CGFloat) -> Void) -> SCNAction [class]

	Declaration
From	class func customActionWithDuration(_ seconds: NSTimeInterval, actionBlock block: ((SCNNode!, CGFloat) -> Void)!) -> SCNAction!
To	class func customActionWithDuration(_ seconds: NSTimeInterval, actionBlock block: (SCNNode!, CGFloat) -> Void) -> SCNAction

Declaration

From

class func customActionWithDuration(_ seconds: NSTimeInterval, actionBlock block: ((SCNNode!, CGFloat) -> Void)!) -> SCNAction!

class func customActionWithDuration(_ seconds: NSTimeInterval, actionBlock block: (SCNNode!, CGFloat) -> Void) -> SCNAction

Modified SCNAction.fadeInWithDuration(NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func fadeInWithDuration(_ sec: NSTimeInterval) -> SCNAction!
To	class func fadeInWithDuration(_ sec: NSTimeInterval) -> SCNAction

Modified SCNAction.fadeOpacityBy(CGFloat, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func fadeOpacityBy(_ factor: CGFloat, duration sec: NSTimeInterval) -> SCNAction!
To	class func fadeOpacityBy(_ factor: CGFloat, duration sec: NSTimeInterval) -> SCNAction

Modified SCNAction.fadeOpacityTo(CGFloat, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func fadeOpacityTo(_ opacity: CGFloat, duration sec: NSTimeInterval) -> SCNAction!
To	class func fadeOpacityTo(_ opacity: CGFloat, duration sec: NSTimeInterval) -> SCNAction

Modified SCNAction.fadeOutWithDuration(NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func fadeOutWithDuration(_ sec: NSTimeInterval) -> SCNAction!
To	class func fadeOutWithDuration(_ sec: NSTimeInterval) -> SCNAction

Modified SCNAction.group([AnyObject]) -> SCNAction [class]

	Declaration
From	class func group(_ actions: [AnyObject]!) -> SCNAction!
To	class func group(_ actions: [AnyObject]) -> SCNAction

Modified SCNAction.javaScriptActionWithScript(String, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func javaScriptActionWithScript(_ script: String!, duration seconds: NSTimeInterval) -> SCNAction!
To	class func javaScriptActionWithScript(_ script: String, duration seconds: NSTimeInterval) -> SCNAction

Declaration

From

class func javaScriptActionWithScript(_ script: String!, duration seconds: NSTimeInterval) -> SCNAction!

class func javaScriptActionWithScript(_ script: String, duration seconds: NSTimeInterval) -> SCNAction

Modified SCNAction.moveBy(SCNVector3, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func moveBy(_ delta: SCNVector3, duration duration: NSTimeInterval) -> SCNAction!
To	class func moveBy(_ delta: SCNVector3, duration duration: NSTimeInterval) -> SCNAction

Modified SCNAction.moveByX(CGFloat, y: CGFloat, z: CGFloat, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func moveByX(_ deltaX: CGFloat, y deltaY: CGFloat, z deltaZ: CGFloat, duration duration: NSTimeInterval) -> SCNAction!
To	class func moveByX(_ deltaX: CGFloat, y deltaY: CGFloat, z deltaZ: CGFloat, duration duration: NSTimeInterval) -> SCNAction

Declaration

From

class func moveByX(_ deltaX: CGFloat, y deltaY: CGFloat, z deltaZ: CGFloat, duration duration: NSTimeInterval) -> SCNAction!

class func moveByX(_ deltaX: CGFloat, y deltaY: CGFloat, z deltaZ: CGFloat, duration duration: NSTimeInterval) -> SCNAction

Modified SCNAction.moveTo(SCNVector3, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func moveTo(_ location: SCNVector3, duration duration: NSTimeInterval) -> SCNAction!
To	class func moveTo(_ location: SCNVector3, duration duration: NSTimeInterval) -> SCNAction

Modified SCNAction.removeFromParentNode() -> SCNAction [class]

	Declaration
From	class func removeFromParentNode() -> SCNAction!
To	class func removeFromParentNode() -> SCNAction

Modified SCNAction.repeatAction(SCNAction, count: Int) -> SCNAction [class]

	Declaration
From	class func repeatAction(_ action: SCNAction!, count count: Int) -> SCNAction!
To	class func repeatAction(_ action: SCNAction, count count: Int) -> SCNAction

Modified SCNAction.repeatActionForever(SCNAction) -> SCNAction [class]

	Declaration
From	class func repeatActionForever(_ action: SCNAction!) -> SCNAction!
To	class func repeatActionForever(_ action: SCNAction) -> SCNAction

Modified SCNAction.reversedAction() -> SCNAction

	Declaration
From	func reversedAction() -> SCNAction!
To	func reversedAction() -> SCNAction

Modified SCNAction.rotateByAngle(CGFloat, aroundAxis: SCNVector3, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func rotateByAngle(_ angle: CGFloat, aroundAxis axis: SCNVector3, duration duration: NSTimeInterval) -> SCNAction!
To	class func rotateByAngle(_ angle: CGFloat, aroundAxis axis: SCNVector3, duration duration: NSTimeInterval) -> SCNAction

Declaration

From

class func rotateByAngle(_ angle: CGFloat, aroundAxis axis: SCNVector3, duration duration: NSTimeInterval) -> SCNAction!

class func rotateByAngle(_ angle: CGFloat, aroundAxis axis: SCNVector3, duration duration: NSTimeInterval) -> SCNAction

Modified SCNAction.rotateByX(CGFloat, y: CGFloat, z: CGFloat, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func rotateByX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval) -> SCNAction!
To	class func rotateByX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval) -> SCNAction

Declaration

From

class func rotateByX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval) -> SCNAction!

class func rotateByX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval) -> SCNAction

Modified SCNAction.rotateToAxisAngle(SCNVector4, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func rotateToAxisAngle(_ axisAngle: SCNVector4, duration duration: NSTimeInterval) -> SCNAction!
To	class func rotateToAxisAngle(_ axisAngle: SCNVector4, duration duration: NSTimeInterval) -> SCNAction

Declaration

From

class func rotateToAxisAngle(_ axisAngle: SCNVector4, duration duration: NSTimeInterval) -> SCNAction!

class func rotateToAxisAngle(_ axisAngle: SCNVector4, duration duration: NSTimeInterval) -> SCNAction

Modified SCNAction.rotateToX(CGFloat, y: CGFloat, z: CGFloat, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func rotateToX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval) -> SCNAction!
To	class func rotateToX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval) -> SCNAction

Declaration

From

class func rotateToX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval) -> SCNAction!

class func rotateToX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval) -> SCNAction

Modified SCNAction.rotateToX(CGFloat, y: CGFloat, z: CGFloat, duration: NSTimeInterval, shortestUnitArc: Bool) -> SCNAction [class]

	Declaration
From	class func rotateToX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval, shortestUnitArc shortestUnitArc: Bool) -> SCNAction!
To	class func rotateToX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval, shortestUnitArc shortestUnitArc: Bool) -> SCNAction

Declaration

From

class func rotateToX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval, shortestUnitArc shortestUnitArc: Bool) -> SCNAction!

class func rotateToX(_ xAngle: CGFloat, y yAngle: CGFloat, z zAngle: CGFloat, duration duration: NSTimeInterval, shortestUnitArc shortestUnitArc: Bool) -> SCNAction

Modified SCNAction.runBlock((SCNNode!) -> Void) -> SCNAction [class]

	Declaration
From	class func runBlock(_ block: ((SCNNode!) -> Void)!) -> SCNAction!
To	class func runBlock(_ block: (SCNNode!) -> Void) -> SCNAction

Modified SCNAction.runBlock((SCNNode!) -> Void, queue: dispatch_queue_t?) -> SCNAction [class]

	Declaration
From	class func runBlock(_ block: ((SCNNode!) -> Void)!, queue queue: dispatch_queue_t!) -> SCNAction!
To	class func runBlock(_ block: (SCNNode!) -> Void, queue queue: dispatch_queue_t?) -> SCNAction

Modified SCNAction.scaleBy(CGFloat, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func scaleBy(_ scale: CGFloat, duration sec: NSTimeInterval) -> SCNAction!
To	class func scaleBy(_ scale: CGFloat, duration sec: NSTimeInterval) -> SCNAction

Modified SCNAction.scaleTo(CGFloat, duration: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func scaleTo(_ scale: CGFloat, duration sec: NSTimeInterval) -> SCNAction!
To	class func scaleTo(_ scale: CGFloat, duration sec: NSTimeInterval) -> SCNAction

Modified SCNAction.sequence([AnyObject]) -> SCNAction [class]

	Declaration
From	class func sequence(_ actions: [AnyObject]!) -> SCNAction!
To	class func sequence(_ actions: [AnyObject]) -> SCNAction

Modified SCNAction.timingFunction

	Declaration
From	var timingFunction: SCNActionTimingFunction!
To	var timingFunction: SCNActionTimingFunction?

Modified SCNAction.waitForDuration(NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func waitForDuration(_ sec: NSTimeInterval) -> SCNAction!
To	class func waitForDuration(_ sec: NSTimeInterval) -> SCNAction

Modified SCNAction.waitForDuration(NSTimeInterval, withRange: NSTimeInterval) -> SCNAction [class]

	Declaration
From	class func waitForDuration(_ sec: NSTimeInterval, withRange durationRange: NSTimeInterval) -> SCNAction!
To	class func waitForDuration(_ sec: NSTimeInterval, withRange durationRange: NSTimeInterval) -> SCNAction

Declaration

From

class func waitForDuration(_ sec: NSTimeInterval, withRange durationRange: NSTimeInterval) -> SCNAction!

class func waitForDuration(_ sec: NSTimeInterval, withRange durationRange: NSTimeInterval) -> SCNAction

Modified SCNActionable.actionForKey(String) -> SCNAction?

	Declaration
From	func actionForKey(_ key: String!) -> SCNAction!
To	func actionForKey(_ key: String) -> SCNAction?

Modified SCNActionable.removeActionForKey(String)

	Declaration
From	func removeActionForKey(_ key: String!)
To	func removeActionForKey(_ key: String)

Modified SCNActionable.runAction(SCNAction)

	Declaration
From	func runAction(_ action: SCNAction!)
To	func runAction(_ action: SCNAction)

Modified SCNActionable.runAction(SCNAction, completionHandler:(() -> Void)?)

	Declaration
From	func runAction(_ action: SCNAction!, completionHandler block: (() -> Void)!)
To	func runAction(_ action: SCNAction, completionHandler block: (() -> Void)?)

Modified SCNActionable.runAction(SCNAction, forKey: String?)

	Declaration
From	func runAction(_ action: SCNAction!, forKey key: String!)
To	func runAction(_ action: SCNAction, forKey key: String?)

Modified SCNActionable.runAction(SCNAction, forKey: String?, completionHandler:(() -> Void)?)

	Declaration
From	func runAction(_ action: SCNAction!, forKey key: String!, completionHandler block: (() -> Void)!)
To	func runAction(_ action: SCNAction, forKey key: String?, completionHandler block: (() -> Void)?)

Modified SCNAnimatable.addAnimation(CAAnimation, forKey: String?)

	Declaration
From	func addAnimation(_ animation: CAAnimation!, forKey key: String!)
To	func addAnimation(_ animation: CAAnimation, forKey key: String?)

Modified SCNAnimatable.animationForKey(String) -> CAAnimation?

	Declaration
From	func animationForKey(_ key: String!) -> CAAnimation!
To	func animationForKey(_ key: String) -> CAAnimation?

Modified SCNAnimatable.animationKeys() -> [AnyObject]?

	Declaration
From	func animationKeys() -> [AnyObject]!
To	func animationKeys() -> [AnyObject]?

Modified SCNAnimatable.isAnimationForKeyPaused(String) -> Bool

	Declaration	Introduction
From	func isAnimationForKeyPaused(_ key: String!) -> Bool	OS X 10.10
To	func isAnimationForKeyPaused(_ key: String) -> Bool	OS X 10.9

Modified SCNAnimatable.pauseAnimationForKey(String)

	Declaration	Introduction
From	func pauseAnimationForKey(_ key: String!)	OS X 10.10
To	func pauseAnimationForKey(_ key: String)	OS X 10.9

Modified SCNAnimatable.removeAnimationForKey(String)

	Declaration
From	func removeAnimationForKey(_ key: String!)
To	func removeAnimationForKey(_ key: String)

Modified SCNAnimatable.removeAnimationForKey(String, fadeOutDuration: CGFloat)

	Declaration
From	func removeAnimationForKey(_ key: String!, fadeOutDuration duration: CGFloat)
To	func removeAnimationForKey(_ key: String, fadeOutDuration duration: CGFloat)

Modified SCNAnimatable.resumeAnimationForKey(String)

	Declaration	Introduction
From	func resumeAnimationForKey(_ key: String!)	OS X 10.10
To	func resumeAnimationForKey(_ key: String)	OS X 10.9

Modified SCNAnimationEvent

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNBoundingVolume.getBoundingBoxMin(UnsafeMutablePointer<SCNVector3>, max: UnsafeMutablePointer<SCNVector3>) -> Bool

	Declaration
From	func getBoundingBoxMin(_ min: UnsafePointer<SCNVector3>, max max: UnsafePointer<SCNVector3>) -> Bool
To	func getBoundingBoxMin(_ min: UnsafeMutablePointer<SCNVector3>, max max: UnsafeMutablePointer<SCNVector3>) -> Bool

Declaration

From

func getBoundingBoxMin(_ min: UnsafePointer<SCNVector3>, max max: UnsafePointer<SCNVector3>) -> Bool

func getBoundingBoxMin(_ min: UnsafeMutablePointer<SCNVector3>, max max: UnsafeMutablePointer<SCNVector3>) -> Bool

Modified SCNBoundingVolume.getBoundingSphereCenter(UnsafeMutablePointer<SCNVector3>, radius: UnsafeMutablePointer<CGFloat>) -> Bool

	Declaration
From	func getBoundingSphereCenter(_ center: UnsafePointer<SCNVector3>, radius radius: UnsafePointer<CGFloat>) -> Bool
To	func getBoundingSphereCenter(_ center: UnsafeMutablePointer<SCNVector3>, radius radius: UnsafeMutablePointer<CGFloat>) -> Bool

Declaration

From

func getBoundingSphereCenter(_ center: UnsafePointer<SCNVector3>, radius radius: UnsafePointer<CGFloat>) -> Bool

func getBoundingSphereCenter(_ center: UnsafeMutablePointer<SCNVector3>, radius radius: UnsafeMutablePointer<CGFloat>) -> Bool

Modified SCNBoundingVolume.setBoundingBoxMin(UnsafeMutablePointer<SCNVector3>, max: UnsafeMutablePointer<SCNVector3>)

	Declaration	Introduction
From	func setBoundingBoxMin(_ min: UnsafePointer<SCNVector3>, max max: UnsafePointer<SCNVector3>)	OS X 10.10
To	func setBoundingBoxMin(_ min: UnsafeMutablePointer<SCNVector3>, max max: UnsafeMutablePointer<SCNVector3>)	OS X 10.9

Modified SCNBox

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNCamera

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNCamera.aperture

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNCamera.automaticallyAdjustsZRange

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNCamera.focalBlurRadius

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNCamera.focalDistance

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNCamera.focalSize

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNCamera.name

	Declaration
From	var name: String!
To	var name: String?

Modified SCNCamera.orthographicScale

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNCamera.setProjectionTransform(SCNMatrix4)

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNCapsule

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNChamferMode [enum]

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNCone

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNConstraint

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNCylinder

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNFilterMode.FilterModeLinear

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNFilterMode.FilterModeNearest

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNFilterMode.FilterModeNone

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNFloor

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNGeometry

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNGeometry.edgeCreasesElement

	Declaration
From	var edgeCreasesElement: SCNGeometryElement!
To	var edgeCreasesElement: SCNGeometryElement?

Modified SCNGeometry.edgeCreasesSource

	Declaration
From	var edgeCreasesSource: SCNGeometrySource!
To	var edgeCreasesSource: SCNGeometrySource?

Modified SCNGeometry.firstMaterial

	Declaration
From	var firstMaterial: SCNMaterial!
To	var firstMaterial: SCNMaterial?

Modified SCNGeometry.geometryElementAtIndex(Int) -> SCNGeometryElement?

	Declaration
From	func geometryElementAtIndex(_ elementIndex: Int) -> SCNGeometryElement!
To	func geometryElementAtIndex(_ elementIndex: Int) -> SCNGeometryElement?

Modified SCNGeometry.geometrySourcesForSemantic(String) -> [AnyObject]?

	Declaration
From	func geometrySourcesForSemantic(_ semantic: String!) -> [AnyObject]!
To	func geometrySourcesForSemantic(_ semantic: String) -> [AnyObject]?

Modified SCNGeometry.insertMaterial(SCNMaterial, atIndex: Int)

	Declaration
From	func insertMaterial(_ material: SCNMaterial!, atIndex index: Int)
To	func insertMaterial(_ material: SCNMaterial, atIndex index: Int)

Modified SCNGeometry.levelsOfDetail

	Declaration	Introduction
From	var levelsOfDetail: [AnyObject]!	OS X 10.10
To	var levelsOfDetail: [AnyObject]?	OS X 10.9

Modified SCNGeometry.materialWithName(String) -> SCNMaterial?

	Declaration
From	func materialWithName(_ name: String!) -> SCNMaterial!
To	func materialWithName(_ name: String) -> SCNMaterial?

Modified SCNGeometry.materials

	Declaration
From	var materials: [AnyObject]!
To	var materials: [AnyObject]?

Modified SCNGeometry.name

	Declaration
From	var name: String!
To	var name: String?

Modified SCNGeometry.replaceMaterialAtIndex(Int, withMaterial: SCNMaterial)

	Declaration
From	func replaceMaterialAtIndex(_ index: Int, withMaterial material: SCNMaterial!)
To	func replaceMaterialAtIndex(_ index: Int, withMaterial material: SCNMaterial)

Modified SCNGeometry.init(sources: [AnyObject], elements:[AnyObject]?)

	Declaration
From	convenience init(sources sources: [AnyObject]!, elements elements: [AnyObject]!)
To	convenience init(sources sources: [AnyObject], elements elements: [AnyObject]?)

Modified SCNGeometryElement

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNGeometryElement.data

	Declaration
From	var data: NSData! { get }
To	var data: NSData? { get }

Modified SCNGeometryElement.init(data: NSData, primitiveType: SCNGeometryPrimitiveType, primitiveCount: Int, bytesPerIndex: Int)

Declaration

From

convenience init(data data: NSData!, primitiveType primitiveType: SCNGeometryPrimitiveType, primitiveCount primitiveCount: Int, bytesPerIndex bytesPerIndex: Int)

convenience init(data data: NSData, primitiveType primitiveType: SCNGeometryPrimitiveType, primitiveCount primitiveCount: Int, bytesPerIndex bytesPerIndex: Int)

Modified SCNGeometrySource

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNGeometrySource.data

	Declaration
From	var data: NSData! { get }
To	var data: NSData? { get }

Modified SCNGeometrySource.init(data: NSData, semantic: String, vectorCount: Int, floatComponents: Bool, componentsPerVector: Int, bytesPerComponent: Int, dataOffset: Int, dataStride: Int)

Declaration

From

convenience init(data data: NSData!, semantic semantic: String!, vectorCount vectorCount: Int, floatComponents floatComponents: Bool, componentsPerVector componentsPerVector: Int, bytesPerComponent bytesPerComponent: Int, dataOffset offset: Int, dataStride stride: Int)

convenience init(data data: NSData, semantic semantic: String, vectorCount vectorCount: Int, floatComponents floatComponents: Bool, componentsPerVector componentsPerVector: Int, bytesPerComponent bytesPerComponent: Int, dataOffset offset: Int, dataStride stride: Int)

Modified SCNGeometrySource.init(normals: UnsafePointer<SCNVector3>, count: Int)

	Declaration
From	convenience init(normals normals: ConstUnsafePointer<SCNVector3>, count count: Int)
To	convenience init(normals normals: UnsafePointer<SCNVector3>, count count: Int)

Modified SCNGeometrySource.semantic

	Declaration
From	var semantic: String! { get }
To	var semantic: String { get }

Modified SCNGeometrySource.init(textureCoordinates: UnsafePointer<CGPoint>, count: Int)

	Declaration
From	convenience init(textureCoordinates texcoord: ConstUnsafePointer<CGPoint>, count count: Int)
To	convenience init(textureCoordinates texcoord: UnsafePointer<CGPoint>, count count: Int)

Modified SCNGeometrySource.init(vertices: UnsafePointer<SCNVector3>, count: Int)

	Declaration
From	convenience init(vertices vertices: ConstUnsafePointer<SCNVector3>, count count: Int)
To	convenience init(vertices vertices: UnsafePointer<SCNVector3>, count count: Int)

Modified SCNHitTestResult

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNHitTestResult.node

	Declaration
From	var node: SCNNode! { get }
To	var node: SCNNode { get }

Modified SCNIKConstraint.chainRootNode

	Declaration
From	var chainRootNode: SCNNode! { get }
To	var chainRootNode: SCNNode { get }

Modified SCNIKConstraint.inverseKinematicsConstraintWithChainRootNode(SCNNode) -> Self [class]

	Declaration	Introduction
From	class func inverseKinematicsConstraintWithChainRootNode(_ chainRootNode: SCNNode!) -> Self!	OS X 10.10
To	class func inverseKinematicsConstraintWithChainRootNode(_ chainRootNode: SCNNode) -> Self	OS X 10.10.3

Modified SCNIKConstraint.maxAllowedRotationAngleForJoint(SCNNode) -> CGFloat

	Declaration
From	func maxAllowedRotationAngleForJoint(_ node: SCNNode!) -> CGFloat
To	func maxAllowedRotationAngleForJoint(_ node: SCNNode) -> CGFloat

Modified SCNIKConstraint.setMaxAllowedRotationAngle(CGFloat, forJoint: SCNNode)

	Declaration
From	func setMaxAllowedRotationAngle(_ angle: CGFloat, forJoint node: SCNNode!)
To	func setMaxAllowedRotationAngle(_ angle: CGFloat, forJoint node: SCNNode)

Modified SCNLayer

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNLayer.scene

	Declaration
From	var scene: SCNScene!
To	var scene: SCNScene?

Modified SCNLevelOfDetail

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNLevelOfDetail.geometry

	Declaration
From	var geometry: SCNGeometry! { get }
To	var geometry: SCNGeometry? { get }

Modified SCNLevelOfDetail.init(geometry: SCNGeometry?, screenSpaceRadius: CGFloat)

	Declaration
From	convenience init(geometry geometry: SCNGeometry!, screenSpaceRadius radius: CGFloat)
To	convenience init(geometry geometry: SCNGeometry?, screenSpaceRadius radius: CGFloat)

Modified SCNLevelOfDetail.init(geometry: SCNGeometry?, worldSpaceDistance: CGFloat)

	Declaration
From	convenience init(geometry geometry: SCNGeometry!, worldSpaceDistance distance: CGFloat)
To	convenience init(geometry geometry: SCNGeometry?, worldSpaceDistance distance: CGFloat)

Modified SCNLight

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNLight.attributeForKey(String) -> AnyObject?

	Declaration	Introduction	Deprecation
From	func attributeForKey(_ key: String!) -> AnyObject!	OS X 10.10	--
To	func attributeForKey(_ key: String) -> AnyObject?	OS X 10.8	OS X 10.10

Modified SCNLight.color

	Declaration
From	var color: AnyObject!
To	var color: AnyObject

Modified SCNLight.gobo

	Declaration	Introduction
From	var gobo: SCNMaterialProperty! { get }	OS X 10.10
To	var gobo: SCNMaterialProperty { get }	OS X 10.9

Modified SCNLight.name

	Declaration
From	var name: String!
To	var name: String?

Modified SCNLight.setAttribute(AnyObject?, forKey: String)

	Declaration	Introduction	Deprecation
From	func setAttribute(_ attribute: AnyObject!, forKey key: String!)	OS X 10.10	--
To	func setAttribute(_ attribute: AnyObject?, forKey key: String)	OS X 10.8	OS X 10.10

Modified SCNLight.shadowColor

	Declaration
From	var shadowColor: AnyObject!
To	var shadowColor: AnyObject

Modified SCNLight.type

	Declaration
From	var type: String!
To	var type: String

Modified SCNLookAtConstraint

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNLookAtConstraint.target

	Declaration
From	var target: SCNNode! { get }
To	var target: SCNNode? { get }

Modified SCNLookAtConstraint.init(target: SCNNode)

	Declaration
From	convenience init(target target: SCNNode!)
To	convenience init(target target: SCNNode)

Modified SCNMaterial

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNMaterial.ambient

	Declaration
From	var ambient: SCNMaterialProperty! { get }
To	var ambient: SCNMaterialProperty { get }

Modified SCNMaterial.diffuse

	Declaration
From	var diffuse: SCNMaterialProperty! { get }
To	var diffuse: SCNMaterialProperty { get }

Modified SCNMaterial.emission

	Declaration
From	var emission: SCNMaterialProperty! { get }
To	var emission: SCNMaterialProperty { get }

Modified SCNMaterial.fresnelExponent

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNMaterial.lightingModelName

	Declaration
From	var lightingModelName: String!
To	var lightingModelName: String

Modified SCNMaterial.multiply

	Declaration
From	var multiply: SCNMaterialProperty! { get }
To	var multiply: SCNMaterialProperty { get }

Modified SCNMaterial.name

	Declaration
From	var name: String!
To	var name: String?

Modified SCNMaterial.normal

	Declaration
From	var normal: SCNMaterialProperty! { get }
To	var normal: SCNMaterialProperty { get }

Modified SCNMaterial.readsFromDepthBuffer

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNMaterial.reflective

	Declaration
From	var reflective: SCNMaterialProperty! { get }
To	var reflective: SCNMaterialProperty { get }

Modified SCNMaterial.specular

	Declaration
From	var specular: SCNMaterialProperty! { get }
To	var specular: SCNMaterialProperty { get }

Modified SCNMaterial.transparent

	Declaration
From	var transparent: SCNMaterialProperty! { get }
To	var transparent: SCNMaterialProperty { get }

Modified SCNMaterialProperty

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNMaterialProperty.borderColor

	Declaration
From	var borderColor: AnyObject!
To	var borderColor: AnyObject

Modified SCNMaterialProperty.init(contents: AnyObject)

	Declaration	Introduction
From	convenience init(contents contents: AnyObject!)	OS X 10.10
To	convenience init(contents contents: AnyObject)	OS X 10.9

Modified SCNMaterialProperty.intensity

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNMaterialProperty.maxAnisotropy

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNMorpher

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNMorpher.targets

	Declaration
From	var targets: [AnyObject]!
To	var targets: [AnyObject]?

Modified SCNNode

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNNode.addChildNode(SCNNode)

	Declaration
From	func addChildNode(_ child: SCNNode!)
To	func addChildNode(_ child: SCNNode)

Modified SCNNode.addParticleSystem(SCNParticleSystem)

	Declaration
From	func addParticleSystem(_ system: SCNParticleSystem!)
To	func addParticleSystem(_ system: SCNParticleSystem)

Modified SCNNode.camera

	Declaration
From	var camera: SCNCamera!
To	var camera: SCNCamera?

Modified SCNNode.childNodeWithName(String, recursively: Bool) -> SCNNode?

	Declaration
From	func childNodeWithName(_ name: String!, recursively recursively: Bool) -> SCNNode!
To	func childNodeWithName(_ name: String, recursively recursively: Bool) -> SCNNode?

Modified SCNNode.childNodes

	Declaration
From	var childNodes: [AnyObject]! { get }
To	var childNodes: [AnyObject] { get }

Modified SCNNode.childNodesPassingTest((SCNNode!, UnsafeMutablePointer<ObjCBool>) -> Bool) -> [AnyObject]

Declaration

From

func childNodesPassingTest(_ predicate: ((SCNNode!, UnsafePointer<ObjCBool>) -> Bool)!) -> [AnyObject]!

func childNodesPassingTest(_ predicate: (SCNNode!, UnsafeMutablePointer<ObjCBool>) -> Bool) -> [AnyObject]

Modified SCNNode.clone() -> AnyObject

	Declaration
From	func clone() -> AnyObject!
To	func clone() -> AnyObject

Modified SCNNode.constraints

	Declaration	Introduction
From	var constraints: [AnyObject]!	OS X 10.10
To	var constraints: [AnyObject]?	OS X 10.9

Modified SCNNode.convertPosition(SCNVector3, fromNode: SCNNode?) -> SCNVector3

	Declaration	Introduction
From	func convertPosition(_ position: SCNVector3, fromNode node: SCNNode!) -> SCNVector3	OS X 10.10
To	func convertPosition(_ position: SCNVector3, fromNode node: SCNNode?) -> SCNVector3	OS X 10.9

Modified SCNNode.convertPosition(SCNVector3, toNode: SCNNode?) -> SCNVector3

	Declaration	Introduction
From	func convertPosition(_ position: SCNVector3, toNode node: SCNNode!) -> SCNVector3	OS X 10.10
To	func convertPosition(_ position: SCNVector3, toNode node: SCNNode?) -> SCNVector3	OS X 10.9

Modified SCNNode.convertTransform(SCNMatrix4, fromNode: SCNNode?) -> SCNMatrix4

	Declaration	Introduction
From	func convertTransform(_ transform: SCNMatrix4, fromNode node: SCNNode!) -> SCNMatrix4	OS X 10.10
To	func convertTransform(_ transform: SCNMatrix4, fromNode node: SCNNode?) -> SCNMatrix4	OS X 10.9

Modified SCNNode.convertTransform(SCNMatrix4, toNode: SCNNode?) -> SCNMatrix4

	Declaration	Introduction
From	func convertTransform(_ transform: SCNMatrix4, toNode node: SCNNode!) -> SCNMatrix4	OS X 10.10
To	func convertTransform(_ transform: SCNMatrix4, toNode node: SCNNode?) -> SCNMatrix4	OS X 10.9

Modified SCNNode.enumerateChildNodesUsingBlock((SCNNode!, UnsafeMutablePointer<ObjCBool>) -> Void)

	Declaration
From	func enumerateChildNodesUsingBlock(_ block: ((SCNNode!, UnsafePointer<ObjCBool>) -> Void)!)
To	func enumerateChildNodesUsingBlock(_ block: (SCNNode!, UnsafeMutablePointer<ObjCBool>) -> Void)

Modified SCNNode.filters

	Declaration	Introduction
From	var filters: [AnyObject]!	OS X 10.10
To	var filters: [AnyObject]?	OS X 10.9

Modified SCNNode.flattenedClone() -> SCNNode

	Declaration	Introduction
From	func flattenedClone() -> SCNNode!	OS X 10.10
To	func flattenedClone() -> SCNNode	OS X 10.9

Modified SCNNode.geometry

	Declaration
From	var geometry: SCNGeometry!
To	var geometry: SCNGeometry?

Modified SCNNode.init(geometry: SCNGeometry)

	Declaration
From	init(geometry geometry: SCNGeometry!) -> SCNNode
To	init(geometry geometry: SCNGeometry) -> SCNNode

Modified SCNNode.hitTestWithSegmentFromPoint(SCNVector3, toPoint: SCNVector3, options:[NSObject: AnyObject]?) -> [AnyObject]?

Declaration

Introduction

From

func hitTestWithSegmentFromPoint(_ pointA: SCNVector3, toPoint pointB: SCNVector3, options options: [NSObject : AnyObject]!) -> [AnyObject]!

OS X 10.10

func hitTestWithSegmentFromPoint(_ pointA: SCNVector3, toPoint pointB: SCNVector3, options options: [NSObject : AnyObject]?) -> [AnyObject]?

OS X 10.9

Modified SCNNode.insertChildNode(SCNNode, atIndex: Int)

	Declaration
From	func insertChildNode(_ child: SCNNode!, atIndex index: Int)
To	func insertChildNode(_ child: SCNNode, atIndex index: Int)

Modified SCNNode.light

	Declaration
From	var light: SCNLight!
To	var light: SCNLight?

Modified SCNNode.morpher

	Declaration	Introduction
From	var morpher: SCNMorpher!	OS X 10.10
To	var morpher: SCNMorpher?	OS X 10.9

Modified SCNNode.name

	Declaration
From	var name: String!
To	var name: String?

Modified SCNNode.parentNode

	Declaration
From	var parentNode: SCNNode! { get }
To	var parentNode: SCNNode? { get }

Modified SCNNode.particleSystems

	Declaration
From	var particleSystems: [AnyObject]! { get }
To	var particleSystems: [AnyObject]? { get }

Modified SCNNode.physicsBody

	Declaration
From	var physicsBody: SCNPhysicsBody!
To	var physicsBody: SCNPhysicsBody?

Modified SCNNode.physicsField

	Declaration
From	var physicsField: SCNPhysicsField!
To	var physicsField: SCNPhysicsField?

Modified SCNNode.presentationNode() -> SCNNode

	Declaration
From	func presentationNode() -> SCNNode!
To	func presentationNode() -> SCNNode

Modified SCNNode.removeParticleSystem(SCNParticleSystem)

	Declaration
From	func removeParticleSystem(_ system: SCNParticleSystem!)
To	func removeParticleSystem(_ system: SCNParticleSystem)

Modified SCNNode.rendererDelegate

	Declaration
From	var rendererDelegate: SCNNodeRendererDelegate!
To	unowned(unsafe) var rendererDelegate: SCNNodeRendererDelegate?

Modified SCNNode.replaceChildNode(SCNNode, with: SCNNode)

	Declaration
From	func replaceChildNode(_ oldChild: SCNNode!, with newChild: SCNNode!)
To	func replaceChildNode(_ oldChild: SCNNode, with newChild: SCNNode)

Modified SCNNode.skinner

	Declaration	Introduction
From	var skinner: SCNSkinner!	OS X 10.10
To	var skinner: SCNSkinner?	OS X 10.9

Modified SCNNodeRendererDelegate.renderNode(SCNNode, renderer: SCNRenderer, arguments:[NSObject: AnyObject])

Declaration

Optional

From

optional func renderNode(_ node: SCNNode!, renderer renderer: SCNRenderer!, arguments arguments: [NSObject : AnyObject]!)

optional func renderNode(_ node: SCNNode, renderer renderer: SCNRenderer, arguments arguments: [NSObject : AnyObject])

yes

Modified SCNParticlePropertyController.init(animation: CAAnimation)

	Declaration
From	convenience init(animation animation: CAAnimation!)
To	convenience init(animation animation: CAAnimation)

Modified SCNParticlePropertyController.inputOrigin

	Declaration
From	var inputOrigin: SCNNode!
To	weak var inputOrigin: SCNNode!

Modified SCNParticleSystem.addModifierForProperties([AnyObject], atStage: SCNParticleModifierStage, withBlock: SCNParticleModifierBlock)

Declaration

From

func addModifierForProperties(_ properties: [AnyObject]!, atStage stage: SCNParticleModifierStage, withBlock block: SCNParticleModifierBlock!)

func addModifierForProperties(_ properties: [AnyObject], atStage stage: SCNParticleModifierStage, withBlock block: SCNParticleModifierBlock)

Modified SCNParticleSystem.handleEvent(SCNParticleEvent, forProperties:[AnyObject], withBlock: SCNParticleEventBlock)

Declaration

From

func handleEvent(_ event: SCNParticleEvent, forProperties properties: [AnyObject]!, withBlock block: SCNParticleEventBlock!)

func handleEvent(_ event: SCNParticleEvent, forProperties properties: [AnyObject], withBlock block: SCNParticleEventBlock)

Modified SCNParticleSystem.init(named: String, inDirectory: String!)

	Declaration
From	convenience init(named name: String!, inDirectory directory: String!)
To	convenience init!(named name: String, inDirectory directory: String!)

Modified SCNPhysicsBallSocketJoint.init(body: SCNPhysicsBody!, anchor: SCNVector3)

	Declaration
From	convenience init(body body: SCNPhysicsBody!, anchor anchor: SCNVector3)
To	convenience init!(body body: SCNPhysicsBody!, anchor anchor: SCNVector3)

Modified SCNPhysicsBallSocketJoint.init(bodyA: SCNPhysicsBody!, anchorA: SCNVector3, bodyB: SCNPhysicsBody!, anchorB: SCNVector3)

Declaration

From

convenience init(bodyA bodyA: SCNPhysicsBody!, anchorA anchorA: SCNVector3, bodyB bodyB: SCNPhysicsBody!, anchorB anchorB: SCNVector3)

convenience init!(bodyA bodyA: SCNPhysicsBody!, anchorA anchorA: SCNVector3, bodyB bodyB: SCNPhysicsBody!, anchorB anchorB: SCNVector3)

Modified SCNPhysicsBody.dynamicBody() -> Self [class]

	Declaration	Introduction
From	class func dynamicBody() -> Self!	OS X 10.10
To	class func dynamicBody() -> Self	OS X 10.10.3

Modified SCNPhysicsBody.kinematicBody() -> Self [class]

	Declaration	Introduction
From	class func kinematicBody() -> Self!	OS X 10.10
To	class func kinematicBody() -> Self	OS X 10.10.3

Modified SCNPhysicsBody.physicsShape

	Declaration
From	var physicsShape: SCNPhysicsShape!
To	var physicsShape: SCNPhysicsShape?

Modified SCNPhysicsBody.staticBody() -> Self [class]

	Declaration	Introduction
From	class func staticBody() -> Self!	OS X 10.10
To	class func staticBody() -> Self	OS X 10.10.3

Modified SCNPhysicsBody.init(type: SCNPhysicsBodyType, shape: SCNPhysicsShape?)

	Declaration
From	convenience init(type type: SCNPhysicsBodyType, shape shape: SCNPhysicsShape!)
To	convenience init(type type: SCNPhysicsBodyType, shape shape: SCNPhysicsShape?)

Modified SCNPhysicsCollisionCategory [struct]

Declaration

Protocols

From

struct SCNPhysicsCollisionCategory : RawOptionSet {
    init(_ value: UInt)
    var value: UInt
    static var Default: SCNPhysicsCollisionCategory { get }
    static var Static: SCNPhysicsCollisionCategory { get }
    static var All: SCNPhysicsCollisionCategory { get }
}

RawOptionSet

struct SCNPhysicsCollisionCategory : RawOptionSetType {
    init(_ rawValue: UInt)
    init(rawValue rawValue: UInt)
    static var Default: SCNPhysicsCollisionCategory { get }
    static var Static: SCNPhysicsCollisionCategory { get }
    static var All: SCNPhysicsCollisionCategory { get }
}

RawOptionSetType

Modified SCNPhysicsCollisionCategory.init(_: UInt)

	Declaration
From	init(_ value: UInt)
To	init(_ rawValue: UInt)

Modified SCNPhysicsContact.nodeA

	Declaration
From	var nodeA: SCNNode! { get }
To	var nodeA: SCNNode { get }

Modified SCNPhysicsContact.nodeB

	Declaration
From	var nodeB: SCNNode! { get }
To	var nodeB: SCNNode { get }

Modified SCNPhysicsContactDelegate.physicsWorld(SCNPhysicsWorld, didBeginContact: SCNPhysicsContact)

	Declaration	Optional
From	optional func physicsWorld(_ world: SCNPhysicsWorld!, didBeginContact contact: SCNPhysicsContact!)	--
To	optional func physicsWorld(_ world: SCNPhysicsWorld, didBeginContact contact: SCNPhysicsContact)	yes

Modified SCNPhysicsContactDelegate.physicsWorld(SCNPhysicsWorld, didEndContact: SCNPhysicsContact)

	Declaration	Optional
From	optional func physicsWorld(_ world: SCNPhysicsWorld!, didEndContact contact: SCNPhysicsContact!)	--
To	optional func physicsWorld(_ world: SCNPhysicsWorld, didEndContact contact: SCNPhysicsContact)	yes

Modified SCNPhysicsContactDelegate.physicsWorld(SCNPhysicsWorld, didUpdateContact: SCNPhysicsContact)

	Declaration	Optional
From	optional func physicsWorld(_ world: SCNPhysicsWorld!, didUpdateContact contact: SCNPhysicsContact!)	--
To	optional func physicsWorld(_ world: SCNPhysicsWorld, didUpdateContact contact: SCNPhysicsContact)	yes

Modified SCNPhysicsField.customFieldWithEvaluationBlock(SCNFieldForceEvaluator) -> SCNPhysicsField [class]

	Declaration
From	class func customFieldWithEvaluationBlock(_ block: SCNFieldForceEvaluator!) -> SCNPhysicsField!
To	class func customFieldWithEvaluationBlock(_ block: SCNFieldForceEvaluator) -> SCNPhysicsField

Modified SCNPhysicsField.dragField() -> SCNPhysicsField [class]

	Declaration
From	class func dragField() -> SCNPhysicsField!
To	class func dragField() -> SCNPhysicsField

Modified SCNPhysicsField.electricField() -> SCNPhysicsField [class]

	Declaration
From	class func electricField() -> SCNPhysicsField!
To	class func electricField() -> SCNPhysicsField

Modified SCNPhysicsField.linearGravityField() -> SCNPhysicsField [class]

	Declaration
From	class func linearGravityField() -> SCNPhysicsField!
To	class func linearGravityField() -> SCNPhysicsField

Modified SCNPhysicsField.magneticField() -> SCNPhysicsField [class]

	Declaration
From	class func magneticField() -> SCNPhysicsField!
To	class func magneticField() -> SCNPhysicsField

Modified SCNPhysicsField.noiseFieldWithSmoothness(CGFloat, animationSpeed: CGFloat) -> SCNPhysicsField [class]

Declaration

From

class func noiseFieldWithSmoothness(_ smoothness: CGFloat, animationSpeed speed: CGFloat) -> SCNPhysicsField!

class func noiseFieldWithSmoothness(_ smoothness: CGFloat, animationSpeed speed: CGFloat) -> SCNPhysicsField

Modified SCNPhysicsField.radialGravityField() -> SCNPhysicsField [class]

	Declaration
From	class func radialGravityField() -> SCNPhysicsField!
To	class func radialGravityField() -> SCNPhysicsField

Modified SCNPhysicsField.springField() -> SCNPhysicsField [class]

	Declaration
From	class func springField() -> SCNPhysicsField!
To	class func springField() -> SCNPhysicsField

Modified SCNPhysicsField.turbulenceFieldWithSmoothness(CGFloat, animationSpeed: CGFloat) -> SCNPhysicsField [class]

Declaration

From

class func turbulenceFieldWithSmoothness(_ smoothness: CGFloat, animationSpeed speed: CGFloat) -> SCNPhysicsField!

class func turbulenceFieldWithSmoothness(_ smoothness: CGFloat, animationSpeed speed: CGFloat) -> SCNPhysicsField

Modified SCNPhysicsField.vortexField() -> SCNPhysicsField [class]

	Declaration
From	class func vortexField() -> SCNPhysicsField!
To	class func vortexField() -> SCNPhysicsField

Modified SCNPhysicsHingeJoint.init(body: SCNPhysicsBody, axis: SCNVector3, anchor: SCNVector3)

	Declaration
From	convenience init(body body: SCNPhysicsBody!, axis axis: SCNVector3, anchor anchor: SCNVector3)
To	convenience init(body body: SCNPhysicsBody, axis axis: SCNVector3, anchor anchor: SCNVector3)

Modified SCNPhysicsHingeJoint.init(bodyA: SCNPhysicsBody, axisA: SCNVector3, anchorA: SCNVector3, bodyB: SCNPhysicsBody, axisB: SCNVector3, anchorB: SCNVector3)

Declaration

From

convenience init(bodyA bodyA: SCNPhysicsBody!, axisA axisA: SCNVector3, anchorA anchorA: SCNVector3, bodyB bodyB: SCNPhysicsBody!, axisB axisB: SCNVector3, anchorB anchorB: SCNVector3)

convenience init(bodyA bodyA: SCNPhysicsBody, axisA axisA: SCNVector3, anchorA anchorA: SCNVector3, bodyB bodyB: SCNPhysicsBody, axisB axisB: SCNVector3, anchorB anchorB: SCNVector3)

Modified SCNPhysicsShape.init(geometry: SCNGeometry, options:[NSObject: AnyObject]?)

	Declaration
From	convenience init(geometry geometry: SCNGeometry!, options options: [NSObject : AnyObject]!)
To	convenience init(geometry geometry: SCNGeometry, options options: [NSObject : AnyObject]?)

Modified SCNPhysicsShape.init(node: SCNNode, options:[NSObject: AnyObject]?)

	Declaration
From	convenience init(node node: SCNNode!, options options: [NSObject : AnyObject]!)
To	convenience init(node node: SCNNode, options options: [NSObject : AnyObject]?)

Modified SCNPhysicsShape.init(shapes: [AnyObject], transforms:[AnyObject])

	Declaration
From	convenience init(shapes shapes: [AnyObject]!, transforms transforms: [AnyObject]!)
To	convenience init(shapes shapes: [AnyObject], transforms transforms: [AnyObject])

Modified SCNPhysicsSliderJoint.init(body: SCNPhysicsBody!, axis: SCNVector3, anchor: SCNVector3)

	Declaration
From	convenience init(body body: SCNPhysicsBody!, axis axis: SCNVector3, anchor anchor: SCNVector3)
To	convenience init!(body body: SCNPhysicsBody!, axis axis: SCNVector3, anchor anchor: SCNVector3)

Modified SCNPhysicsSliderJoint.init(bodyA: SCNPhysicsBody!, axisA: SCNVector3, anchorA: SCNVector3, bodyB: SCNPhysicsBody!, axisB: SCNVector3, anchorB: SCNVector3)

Declaration

From

convenience init(bodyA bodyA: SCNPhysicsBody!, axisA axisA: SCNVector3, anchorA anchorA: SCNVector3, bodyB bodyB: SCNPhysicsBody!, axisB axisB: SCNVector3, anchorB anchorB: SCNVector3)

convenience init!(bodyA bodyA: SCNPhysicsBody!, axisA axisA: SCNVector3, anchorA anchorA: SCNVector3, bodyB bodyB: SCNPhysicsBody!, axisB axisB: SCNVector3, anchorB anchorB: SCNVector3)

Modified SCNPhysicsVehicle.init(chassisBody: SCNPhysicsBody!, wheels:[AnyObject])

	Declaration
From	convenience init(chassisBody chassisBody: SCNPhysicsBody!, wheels wheels: [AnyObject]!)
To	convenience init(chassisBody chassisBody: SCNPhysicsBody!, wheels wheels: [AnyObject])

Modified SCNPhysicsWorld.contactDelegate

	Declaration
From	var contactDelegate: SCNPhysicsContactDelegate!
To	unowned(unsafe) var contactDelegate: SCNPhysicsContactDelegate!

Modified SCNPlane

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNPlane.cornerRadius

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNPlane.cornerSegmentCount

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNProgram

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNProgram.delegate

	Declaration
From	var delegate: SCNProgramDelegate!
To	unowned(unsafe) var delegate: SCNProgramDelegate?

Modified SCNProgram.semanticForSymbol(String) -> String!

	Declaration
From	func semanticForSymbol(_ symbol: String!) -> String!
To	func semanticForSymbol(_ symbol: String) -> String!

Modified SCNProgram.setSemantic(String!, forSymbol: String, options:[NSObject: AnyObject]!)

Declaration

From

func setSemantic(_ semantic: String!, forSymbol symbol: String!, options options: [NSObject : AnyObject]!)

func setSemantic(_ semantic: String!, forSymbol symbol: String, options options: [NSObject : AnyObject]!)

Modified SCNProgramDelegate.program(SCNProgram, bindValueForSymbol: String, atLocation: UInt32, programID: UInt32, renderer: SCNRenderer) -> Bool

Declaration

Introduction

Deprecation

Optional

From

optional func program(_ program: SCNProgram!, bindValueForSymbol symbol: String!, atLocation location: UInt32, programID programID: UInt32, renderer renderer: SCNRenderer!) -> Bool

OS X 10.10

optional func program(_ program: SCNProgram, bindValueForSymbol symbol: String, atLocation location: UInt32, programID programID: UInt32, renderer renderer: SCNRenderer) -> Bool

OS X 10.8

OS X 10.10

yes

Modified SCNProgramDelegate.program(SCNProgram, handleError: NSError)

	Declaration	Optional
From	optional func program(_ program: SCNProgram!, handleError error: NSError!)	--
To	optional func program(_ program: SCNProgram, handleError error: NSError)	yes

Modified SCNProgramDelegate.program(SCNProgram, unbindValueForSymbol: String, atLocation: UInt32, programID: UInt32, renderer: SCNRenderer)

Declaration

Introduction

Deprecation

Optional

From

optional func program(_ program: SCNProgram!, unbindValueForSymbol symbol: String!, atLocation location: UInt32, programID programID: UInt32, renderer renderer: SCNRenderer!)

OS X 10.10

optional func program(_ program: SCNProgram, unbindValueForSymbol symbol: String, atLocation location: UInt32, programID programID: UInt32, renderer renderer: SCNRenderer)

OS X 10.8

OS X 10.10

yes

Modified SCNProgramDelegate.programIsOpaque(SCNProgram) -> Bool

	Declaration	Introduction	Deprecation	Optional
From	optional func programIsOpaque(_ program: SCNProgram!) -> Bool	OS X 10.10	--	--
To	optional func programIsOpaque(_ program: SCNProgram) -> Bool	OS X 10.8	OS X 10.10	yes

Modified SCNPyramid

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNRenderer

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNRenderer.init(context: UnsafeMutablePointer<Void>, options:[NSObject: AnyObject]?)

	Declaration
From	convenience init(context context: UnsafePointer<()>, options options: [NSObject : AnyObject]!)
To	convenience init(context context: UnsafeMutablePointer<Void>, options options: [NSObject : AnyObject]?)

Modified SCNRenderer.scene

	Declaration
From	var scene: SCNScene!
To	var scene: SCNScene?

Modified SCNScene

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNScene.init(URL: NSURL, options:[NSObject: AnyObject]?, error: NSErrorPointer)

Name

Declaration

From

sceneWithURL(_:options:error:)

class func sceneWithURL(_ url: NSURL!, options options: [NSObject : AnyObject]!, error error: NSErrorPointer) -> Self!

init(URL:options:error:)

convenience init?(URL url: NSURL, options options: [NSObject : AnyObject]?, error error: NSErrorPointer)

Modified SCNScene.addParticleSystem(SCNParticleSystem, withTransform: SCNMatrix4)

	Declaration
From	func addParticleSystem(_ system: SCNParticleSystem!, withTransform transform: SCNMatrix4)
To	func addParticleSystem(_ system: SCNParticleSystem, withTransform transform: SCNMatrix4)

Modified SCNScene.attributeForKey(String) -> AnyObject?

	Declaration
From	func attributeForKey(_ key: String!) -> AnyObject!
To	func attributeForKey(_ key: String) -> AnyObject?

Modified SCNScene.background

	Declaration	Introduction
From	var background: SCNMaterialProperty! { get }	OS X 10.10
To	var background: SCNMaterialProperty { get }	OS X 10.9

Modified SCNScene.fogColor

	Declaration
From	var fogColor: AnyObject!
To	var fogColor: AnyObject

Modified SCNScene.init(named: String)

	Declaration	Introduction
From	convenience init(named name: String!)	OS X 10.10
To	convenience init?(named name: String)	OS X 10.9

Modified SCNScene.init(named: String, inDirectory: String?, options:[NSObject: AnyObject]?)

Declaration

From

convenience init(named name: String!, inDirectory directory: String!, options options: [NSObject : AnyObject]!)

convenience init?(named name: String, inDirectory directory: String?, options options: [NSObject : AnyObject]?)

Modified SCNScene.particleSystems

	Declaration
From	var particleSystems: [AnyObject]! { get }
To	var particleSystems: [AnyObject]? { get }

Modified SCNScene.physicsWorld

	Declaration
From	var physicsWorld: SCNPhysicsWorld! { get }
To	var physicsWorld: SCNPhysicsWorld { get }

Modified SCNScene.removeParticleSystem(SCNParticleSystem)

	Declaration
From	func removeParticleSystem(_ system: SCNParticleSystem!)
To	func removeParticleSystem(_ system: SCNParticleSystem)

Modified SCNScene.rootNode

	Declaration
From	var rootNode: SCNNode! { get }
To	var rootNode: SCNNode { get }

Modified SCNScene.setAttribute(AnyObject, forKey: String)

	Declaration
From	func setAttribute(_ attribute: AnyObject!, forKey key: String!)
To	func setAttribute(_ attribute: AnyObject, forKey key: String)

Modified SCNScene.writeToURL(NSURL, options:[NSObject: AnyObject]?, delegate: SCNSceneExportDelegate?, progressHandler: SCNSceneExportProgressHandler?) -> Bool

Declaration

Introduction

From

func writeToURL(_ url: NSURL!, options options: [NSObject : AnyObject]!, delegate delegate: SCNSceneExportDelegate!, progressHandler progressHandler: SCNSceneExportProgressHandler!) -> Bool

OS X 10.10

func writeToURL(_ url: NSURL, options options: [NSObject : AnyObject]?, delegate delegate: SCNSceneExportDelegate?, progressHandler progressHandler: SCNSceneExportProgressHandler?) -> Bool

OS X 10.9

Modified SCNSceneExportDelegate.writeImage(NSImage, withSceneDocumentURL: NSURL, originalImageURL: NSURL?) -> NSURL?

Declaration

Introduction

Optional

From

optional func writeImage(_ image: NSImage!, withSceneDocumentURL documentURL: NSURL!, originalImageURL originalImageURL: NSURL!) -> NSURL!

OS X 10.10

optional func writeImage(_ image: NSImage, withSceneDocumentURL documentURL: NSURL, originalImageURL originalImageURL: NSURL?) -> NSURL?

OS X 10.9

yes

Modified SCNSceneRenderer.context

	Declaration
From	var context: UnsafePointer<()> { get }
To	var context: UnsafeMutablePointer<Void> { get }

Modified SCNSceneRenderer.currentTime

	Introduction	Deprecation
From	OS X 10.10	--
To	OS X 10.8	OS X 10.10

Modified SCNSceneRenderer.delegate

	Declaration
From	var delegate: SCNSceneRendererDelegate! { get set }
To	unowned(unsafe) var delegate: SCNSceneRendererDelegate? { get set }

Modified SCNSceneRenderer.hitTest(CGPoint, options:[NSObject: AnyObject]?) -> [AnyObject]?

	Declaration
From	func hitTest(_ thePoint: CGPoint, options options: [NSObject : AnyObject]!) -> [AnyObject]!
To	func hitTest(_ thePoint: CGPoint, options options: [NSObject : AnyObject]?) -> [AnyObject]?

Modified SCNSceneRenderer.isNodeInsideFrustum(SCNNode, withPointOfView: SCNNode?) -> Bool

	Declaration	Introduction
From	func isNodeInsideFrustum(_ node: SCNNode!, withPointOfView pointOfView: SCNNode!) -> Bool	OS X 10.10
To	func isNodeInsideFrustum(_ node: SCNNode, withPointOfView pointOfView: SCNNode?) -> Bool	OS X 10.9

Modified SCNSceneRenderer.pointOfView

	Declaration
From	var pointOfView: SCNNode! { get set }
To	var pointOfView: SCNNode? { get set }

Modified SCNSceneRenderer.prepareObject(AnyObject, shouldAbortBlock:(() -> Bool)?) -> Bool

	Declaration	Introduction
From	func prepareObject(_ object: AnyObject!, shouldAbortBlock block: (() -> Bool)!) -> Bool	OS X 10.10
To	func prepareObject(_ object: AnyObject, shouldAbortBlock block: (() -> Bool)?) -> Bool	OS X 10.9

Modified SCNSceneRenderer.prepareObjects([AnyObject], withCompletionHandler:((Bool) -> Void)?)

Declaration

From

func prepareObjects(_ objects: [AnyObject]!, withCompletionHandler completionHandler: ((Bool) -> Void)!)

func prepareObjects(_ objects: [AnyObject], withCompletionHandler completionHandler: ((Bool) -> Void)?)

Modified SCNSceneRenderer.projectPoint(SCNVector3) -> SCNVector3

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNSceneRenderer.scene

	Declaration
From	var scene: SCNScene! { get set }
To	var scene: SCNScene? { get set }

Modified SCNSceneRenderer.showsStatistics

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNSceneRenderer.unprojectPoint(SCNVector3) -> SCNVector3

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNSceneRendererDelegate.renderer(SCNSceneRenderer, didApplyAnimationsAtTime: NSTimeInterval)

Declaration

Optional

From

optional func renderer(_ aRenderer: SCNSceneRenderer!, didApplyAnimationsAtTime time: NSTimeInterval)

optional func renderer(_ aRenderer: SCNSceneRenderer, didApplyAnimationsAtTime time: NSTimeInterval)

yes

Modified SCNSceneRendererDelegate.renderer(SCNSceneRenderer, didRenderScene: SCNScene, atTime: NSTimeInterval)

Declaration

Optional

From

optional func renderer(_ aRenderer: SCNSceneRenderer!, didRenderScene scene: SCNScene!, atTime time: NSTimeInterval)

optional func renderer(_ aRenderer: SCNSceneRenderer, didRenderScene scene: SCNScene, atTime time: NSTimeInterval)

yes

Modified SCNSceneRendererDelegate.renderer(SCNSceneRenderer, didSimulatePhysicsAtTime: NSTimeInterval)

Declaration

Optional

From

optional func renderer(_ aRenderer: SCNSceneRenderer!, didSimulatePhysicsAtTime time: NSTimeInterval)

optional func renderer(_ aRenderer: SCNSceneRenderer, didSimulatePhysicsAtTime time: NSTimeInterval)

yes

Modified SCNSceneRendererDelegate.renderer(SCNSceneRenderer, updateAtTime: NSTimeInterval)

	Declaration	Optional
From	optional func renderer(_ aRenderer: SCNSceneRenderer!, updateAtTime time: NSTimeInterval)	--
To	optional func renderer(_ aRenderer: SCNSceneRenderer, updateAtTime time: NSTimeInterval)	yes

Modified SCNSceneRendererDelegate.renderer(SCNSceneRenderer, willRenderScene: SCNScene, atTime: NSTimeInterval)

Declaration

Optional

From

optional func renderer(_ aRenderer: SCNSceneRenderer!, willRenderScene scene: SCNScene!, atTime time: NSTimeInterval)

optional func renderer(_ aRenderer: SCNSceneRenderer, willRenderScene scene: SCNScene, atTime time: NSTimeInterval)

yes

Modified SCNSceneSource

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNSceneSource.init(URL: NSURL, options:[NSObject: AnyObject]?)

	Declaration
From	init(URL url: NSURL!, options options: [NSObject : AnyObject]!)
To	init?(URL url: NSURL, options options: [NSObject : AnyObject]?)

Modified SCNSceneSource.data

	Declaration
From	var data: NSData! { get }
To	var data: NSData? { get }

Modified SCNSceneSource.init(data: NSData, options:[NSObject: AnyObject]?)

	Declaration
From	init(data data: NSData!, options options: [NSObject : AnyObject]!)
To	init?(data data: NSData, options options: [NSObject : AnyObject]?)

Modified SCNSceneSource.entriesPassingTest((AnyObject!, String!, UnsafeMutablePointer<ObjCBool>) -> Bool) -> [AnyObject]

Declaration

Introduction

From

func entriesPassingTest(_ predicate: ((AnyObject!, String!, UnsafePointer<ObjCBool>) -> Bool)!) -> [AnyObject]!

OS X 10.10

func entriesPassingTest(_ predicate: (AnyObject!, String!, UnsafeMutablePointer<ObjCBool>) -> Bool) -> [AnyObject]

OS X 10.9

Modified SCNSceneSource.entryWithIdentifier(String, withClass: AnyClass) -> AnyObject?

	Declaration
From	func entryWithIdentifier(_ uid: String!, withClass entryClass: AnyClass!) -> AnyObject!
To	func entryWithIdentifier(_ uid: String, withClass entryClass: AnyClass) -> AnyObject?

Modified SCNSceneSource.identifiersOfEntriesWithClass(AnyClass) -> [AnyObject]?

	Declaration
From	func identifiersOfEntriesWithClass(_ entryClass: AnyClass!) -> [AnyObject]!
To	func identifiersOfEntriesWithClass(_ entryClass: AnyClass) -> [AnyObject]?

Modified SCNSceneSource.propertyForKey(String) -> AnyObject?

	Declaration
From	func propertyForKey(_ key: String!) -> AnyObject!
To	func propertyForKey(_ key: String) -> AnyObject?

Modified SCNSceneSource.sceneWithOptions([NSObject: AnyObject]?, error: NSErrorPointer) -> SCNScene?

	Declaration
From	func sceneWithOptions(_ options: [NSObject : AnyObject]!, error error: NSErrorPointer) -> SCNScene!
To	func sceneWithOptions(_ options: [NSObject : AnyObject]?, error error: NSErrorPointer) -> SCNScene?

Modified SCNSceneSource.sceneWithOptions([NSObject: AnyObject]?, statusHandler: SCNSceneSourceStatusHandler?) -> SCNScene?

Declaration

From

func sceneWithOptions(_ options: [NSObject : AnyObject]!, statusHandler statusHandler: SCNSceneSourceStatusHandler!) -> SCNScene!

func sceneWithOptions(_ options: [NSObject : AnyObject]?, statusHandler statusHandler: SCNSceneSourceStatusHandler?) -> SCNScene?

Modified SCNSceneSource.url

	Declaration
From	var url: NSURL! { get }
To	var url: NSURL? { get }

Modified SCNShadable.handleBindingOfSymbol(String, usingBlock: SCNBindingBlock)

	Declaration	Introduction	Optional
From	optional func handleBindingOfSymbol(_ symbol: String!, usingBlock block: SCNBindingBlock!)	OS X 10.10	--
To	optional func handleBindingOfSymbol(_ symbol: String, usingBlock block: SCNBindingBlock)	OS X 10.9	yes

Modified SCNShadable.handleUnbindingOfSymbol(String, usingBlock: SCNBindingBlock)

	Declaration	Introduction	Optional
From	optional func handleUnbindingOfSymbol(_ symbol: String!, usingBlock block: SCNBindingBlock!)	OS X 10.10	--
To	optional func handleUnbindingOfSymbol(_ symbol: String, usingBlock block: SCNBindingBlock)	OS X 10.9	yes

Modified SCNShadable.program

	Optional
From	--
To	yes

Modified SCNShadable.shaderModifiers

	Declaration	Introduction	Optional
From	optional var shaderModifiers: [NSObject : AnyObject]! { get set }	OS X 10.10	--
To	optional var shaderModifiers: [NSObject : AnyObject]? { get set }	OS X 10.9	yes

Modified SCNShape

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNShape.chamferProfile

	Declaration
From	var chamferProfile: NSBezierPath!
To	@NSCopying var chamferProfile: NSBezierPath!

Modified SCNShape.path

	Declaration
From	var path: NSBezierPath!
To	@NSCopying var path: NSBezierPath!

Modified SCNShape.init(path: NSBezierPath, extrusionDepth: CGFloat)

	Declaration
From	convenience init(path path: NSBezierPath!, extrusionDepth extrusionDepth: CGFloat)
To	convenience init(path path: NSBezierPath, extrusionDepth extrusionDepth: CGFloat)

Modified SCNSkinner

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNSkinner.baseGeometry

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNSkinner.init(baseGeometry: SCNGeometry!, bones:[AnyObject]!, boneInverseBindTransforms:[AnyObject]!, boneWeights: SCNGeometrySource!, boneIndices: SCNGeometrySource!)

Declaration

From

convenience init(baseGeometry baseGeometry: SCNGeometry!, bones bones: [AnyObject]!, boneInverseBindTransforms boneInverseBindTransforms: [AnyObject]!, boneWeights boneWeights: SCNGeometrySource!, boneIndices boneIndices: SCNGeometrySource!)

convenience init!(baseGeometry baseGeometry: SCNGeometry!, bones bones: [AnyObject]!, boneInverseBindTransforms boneInverseBindTransforms: [AnyObject]!, boneWeights boneWeights: SCNGeometrySource!, boneIndices boneIndices: SCNGeometrySource!)

Modified SCNSphere

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNTechnique.init(bySequencingTechniques: [AnyObject])

	Declaration
From	init(bySequencingTechniques techniques: [AnyObject]!) -> SCNTechnique
To	init?(bySequencingTechniques techniques: [AnyObject]) -> SCNTechnique

Modified SCNTechnique.init(dictionary: [NSObject: AnyObject])

	Declaration
From	init(dictionary dictionary: [NSObject : AnyObject]!) -> SCNTechnique
To	init?(dictionary dictionary: [NSObject : AnyObject]) -> SCNTechnique

Modified SCNTechnique.dictionaryRepresentation

	Declaration
From	var dictionaryRepresentation: [NSObject : AnyObject]! { get }
To	var dictionaryRepresentation: [NSObject : AnyObject] { get }

Modified SCNTechnique.handleBindingOfSymbol(String, usingBlock: SCNBindingBlock)

	Declaration
From	func handleBindingOfSymbol(_ symbol: String!, usingBlock block: SCNBindingBlock!)
To	func handleBindingOfSymbol(_ symbol: String, usingBlock block: SCNBindingBlock)

Modified SCNTechniqueSupport.technique

	Declaration
From	var technique: SCNTechnique! { get set }
To	@NSCopying var technique: SCNTechnique? { get set }

Modified SCNText

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNText.chamferProfile

	Declaration	Introduction
From	var chamferProfile: NSBezierPath!	OS X 10.10
To	@NSCopying var chamferProfile: NSBezierPath!	OS X 10.9

Modified SCNText.flatness

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNText.string

	Declaration
From	var string: AnyObject!
To	@NSCopying var string: AnyObject!

Modified SCNText.init(string: AnyObject, extrusionDepth: CGFloat)

	Declaration
From	convenience init(string string: AnyObject!, extrusionDepth extrusionDepth: CGFloat)
To	convenience init(string string: AnyObject, extrusionDepth extrusionDepth: CGFloat)

Modified SCNTorus

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNTransaction

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNTransaction.animationTimingFunction() -> CAMediaTimingFunction? [class]

	Declaration
From	class func animationTimingFunction() -> CAMediaTimingFunction!
To	class func animationTimingFunction() -> CAMediaTimingFunction?

Modified SCNTransaction.completionBlock() -> (() -> Void)? [class]

	Declaration
From	class func completionBlock() -> (() -> Void)!
To	class func completionBlock() -> (() -> Void)?

Modified SCNTransaction.setAnimationTimingFunction(CAMediaTimingFunction?) [class]

	Declaration
From	class func setAnimationTimingFunction(_ function: CAMediaTimingFunction!)
To	class func setAnimationTimingFunction(_ function: CAMediaTimingFunction?)

Modified SCNTransaction.setCompletionBlock((() -> Void)?) [class]

	Declaration
From	class func setCompletionBlock(_ block: (() -> Void)!)
To	class func setCompletionBlock(_ block: (() -> Void)?)

Modified SCNTransaction.setValue(AnyObject?, forKey: String) [class]

	Declaration
From	class func setValue(_ anObject: AnyObject!, forKey key: String!)
To	class func setValue(_ anObject: AnyObject?, forKey key: String)

Modified SCNTransaction.valueForKey(String) -> AnyObject? [class]

	Declaration
From	class func valueForKey(_ key: String!) -> AnyObject!
To	class func valueForKey(_ key: String) -> AnyObject?

Modified SCNTransformConstraint

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNTransformConstraint.init(inWorldSpace: Bool, withBlock:(SCNNode!, SCNMatrix4) -> SCNMatrix4)

	Declaration
From	convenience init(inWorldSpace world: Bool, withBlock block: ((SCNNode!, SCNMatrix4) -> SCNMatrix4)!)
To	convenience init(inWorldSpace world: Bool, withBlock block: (SCNNode!, SCNMatrix4) -> SCNMatrix4)

Modified SCNTube

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNVector3 [struct]

	Declaration
From	struct SCNVector3 { var x: CGFloat var y: CGFloat var z: CGFloat }
To	struct SCNVector3 { var x: CGFloat var y: CGFloat var z: CGFloat init() init(x x: CGFloat, y y: CGFloat, z z: CGFloat) }

Modified SCNVector4 [struct]

Declaration

From

struct SCNVector4 {
    var x: CGFloat
    var y: CGFloat
    var z: CGFloat
    var w: CGFloat
}

struct SCNVector4 {
    var x: CGFloat
    var y: CGFloat
    var z: CGFloat
    var w: CGFloat
    init()
    init(x x: CGFloat, y y: CGFloat, z z: CGFloat, w w: CGFloat)
}

Modified SCNView

	Introduction
From	OS X 10.10
To	OS X 10.8

Modified SCNView.backgroundColor

	Declaration
From	var backgroundColor: NSColor!
To	@NSCopying var backgroundColor: NSColor?

Modified SCNView.init(frame: NSRect, options:[NSObject: AnyObject]?)

	Declaration
From	init(frame frame: NSRect, options options: [NSObject : AnyObject]!)
To	init(frame frame: NSRect, options options: [NSObject : AnyObject]?)

Modified SCNView.openGLContext

	Declaration
From	var openGLContext: NSOpenGLContext!
To	var openGLContext: NSOpenGLContext

Modified SCNView.pause(AnyObject?)

	Declaration
From	@IBAction func pause(_ sender: AnyObject!)
To	@IBAction func pause(_ sender: AnyObject?)

Modified SCNView.pixelFormat

	Declaration
From	var pixelFormat: NSOpenGLPixelFormat!
To	var pixelFormat: NSOpenGLPixelFormat

Modified SCNView.play(AnyObject?)

	Declaration
From	@IBAction func play(_ sender: AnyObject!)
To	@IBAction func play(_ sender: AnyObject?)

Modified SCNView.scene

	Declaration
From	var scene: SCNScene!
To	var scene: SCNScene?

Modified SCNView.snapshot() -> NSImage?

	Declaration
From	func snapshot() -> NSImage!
To	func snapshot() -> NSImage?

Modified SCNView.stop(AnyObject?)

	Declaration
From	@IBAction func stop(_ sender: AnyObject!)
To	@IBAction func stop(_ sender: AnyObject?)

Modified SCNWrapMode.WrapModeClamp

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNWrapMode.WrapModeClampToBorder

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNWrapMode.WrapModeMirror

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNWrapMode.WrapModeRepeat

	Introduction
From	OS X 10.10
To	OS X 10.9

Modified SCNConsistencyElementIDErrorKey

	Declaration
From	let SCNConsistencyElementIDErrorKey: NSString!
To	let SCNConsistencyElementIDErrorKey: String

Modified SCNConsistencyElementTypeErrorKey

	Declaration
From	let SCNConsistencyElementTypeErrorKey: NSString!
To	let SCNConsistencyElementTypeErrorKey: String

Modified SCNConsistencyLineNumberErrorKey

	Declaration
From	let SCNConsistencyLineNumberErrorKey: NSString!
To	let SCNConsistencyLineNumberErrorKey: String

Modified SCNDetailedErrorsKey

	Declaration
From	let SCNDetailedErrorsKey: NSString!
To	let SCNDetailedErrorsKey: String

Modified SCNErrorDomain

	Declaration
From	let SCNErrorDomain: NSString!
To	let SCNErrorDomain: String

Modified SCNGeometrySourceSemanticBoneIndices

	Declaration
From	let SCNGeometrySourceSemanticBoneIndices: NSString!
To	let SCNGeometrySourceSemanticBoneIndices: String

Modified SCNGeometrySourceSemanticBoneWeights

	Declaration
From	let SCNGeometrySourceSemanticBoneWeights: NSString!
To	let SCNGeometrySourceSemanticBoneWeights: String

Modified SCNGeometrySourceSemanticColor

	Declaration
From	let SCNGeometrySourceSemanticColor: NSString!
To	let SCNGeometrySourceSemanticColor: String

Modified SCNGeometrySourceSemanticEdgeCrease

	Declaration
From	let SCNGeometrySourceSemanticEdgeCrease: NSString!
To	let SCNGeometrySourceSemanticEdgeCrease: String

Modified SCNGeometrySourceSemanticNormal

	Declaration
From	let SCNGeometrySourceSemanticNormal: NSString!
To	let SCNGeometrySourceSemanticNormal: String

Modified SCNGeometrySourceSemanticTexcoord

	Declaration
From	let SCNGeometrySourceSemanticTexcoord: NSString!
To	let SCNGeometrySourceSemanticTexcoord: String

Modified SCNGeometrySourceSemanticVertex

	Declaration
From	let SCNGeometrySourceSemanticVertex: NSString!
To	let SCNGeometrySourceSemanticVertex: String

Modified SCNGeometrySourceSemanticVertexCrease

	Declaration
From	let SCNGeometrySourceSemanticVertexCrease: NSString!
To	let SCNGeometrySourceSemanticVertexCrease: String

Modified SCNHitTestBackFaceCullingKey

	Declaration
From	let SCNHitTestBackFaceCullingKey: NSString!
To	let SCNHitTestBackFaceCullingKey: String

Modified SCNHitTestBoundingBoxOnlyKey

	Declaration
From	let SCNHitTestBoundingBoxOnlyKey: NSString!
To	let SCNHitTestBoundingBoxOnlyKey: String

Modified SCNHitTestClipToZRangeKey

	Declaration
From	let SCNHitTestClipToZRangeKey: NSString!
To	let SCNHitTestClipToZRangeKey: String

Modified SCNHitTestFirstFoundOnlyKey

	Declaration
From	let SCNHitTestFirstFoundOnlyKey: NSString!
To	let SCNHitTestFirstFoundOnlyKey: String

Modified SCNHitTestIgnoreChildNodesKey

	Declaration
From	let SCNHitTestIgnoreChildNodesKey: NSString!
To	let SCNHitTestIgnoreChildNodesKey: String

Modified SCNHitTestIgnoreHiddenNodesKey

	Declaration	Introduction
From	let SCNHitTestIgnoreHiddenNodesKey: NSString!	OS X 10.10
To	let SCNHitTestIgnoreHiddenNodesKey: String	OS X 10.9

Modified SCNHitTestRootNodeKey

	Declaration
From	let SCNHitTestRootNodeKey: NSString!
To	let SCNHitTestRootNodeKey: String

Modified SCNHitTestSortResultsKey

	Declaration
From	let SCNHitTestSortResultsKey: NSString!
To	let SCNHitTestSortResultsKey: String

Modified SCNLightAttenuationEndKey

	Declaration	Introduction	Deprecation
From	let SCNLightAttenuationEndKey: NSString!	OS X 10.10	--
To	let SCNLightAttenuationEndKey: String	OS X 10.8	OS X 10.10

Modified SCNLightAttenuationFalloffExponentKey

	Declaration	Introduction	Deprecation
From	let SCNLightAttenuationFalloffExponentKey: NSString!	OS X 10.10	--
To	let SCNLightAttenuationFalloffExponentKey: String	OS X 10.8	OS X 10.10

Modified SCNLightAttenuationStartKey

	Declaration	Introduction	Deprecation
From	let SCNLightAttenuationStartKey: NSString!	OS X 10.10	--
To	let SCNLightAttenuationStartKey: String	OS X 10.8	OS X 10.10

Modified SCNLightShadowFarClippingKey

	Declaration	Introduction	Deprecation
From	let SCNLightShadowFarClippingKey: NSString!	OS X 10.10	--
To	let SCNLightShadowFarClippingKey: String	OS X 10.8	OS X 10.10

Modified SCNLightShadowNearClippingKey

	Declaration	Introduction	Deprecation
From	let SCNLightShadowNearClippingKey: NSString!	OS X 10.10	--
To	let SCNLightShadowNearClippingKey: String	OS X 10.8	OS X 10.10

Modified SCNLightSpotInnerAngleKey

	Declaration	Introduction	Deprecation
From	let SCNLightSpotInnerAngleKey: NSString!	OS X 10.10	--
To	let SCNLightSpotInnerAngleKey: String	OS X 10.8	OS X 10.10

Modified SCNLightSpotOuterAngleKey

	Declaration	Introduction	Deprecation
From	let SCNLightSpotOuterAngleKey: NSString!	OS X 10.10	--
To	let SCNLightSpotOuterAngleKey: String	OS X 10.8	OS X 10.10

Modified SCNLightTypeAmbient

	Declaration
From	let SCNLightTypeAmbient: NSString!
To	let SCNLightTypeAmbient: String

Modified SCNLightTypeDirectional

	Declaration
From	let SCNLightTypeDirectional: NSString!
To	let SCNLightTypeDirectional: String

Modified SCNLightTypeOmni

	Declaration
From	let SCNLightTypeOmni: NSString!
To	let SCNLightTypeOmni: String

Modified SCNLightTypeSpot

	Declaration
From	let SCNLightTypeSpot: NSString!
To	let SCNLightTypeSpot: String

Modified SCNLightingModelBlinn

	Declaration
From	let SCNLightingModelBlinn: NSString!
To	let SCNLightingModelBlinn: String

Modified SCNLightingModelConstant

	Declaration
From	let SCNLightingModelConstant: NSString!
To	let SCNLightingModelConstant: String

Modified SCNLightingModelLambert

	Declaration
From	let SCNLightingModelLambert: NSString!
To	let SCNLightingModelLambert: String

Modified SCNLightingModelPhong

	Declaration
From	let SCNLightingModelPhong: NSString!
To	let SCNLightingModelPhong: String

Modified SCNModelTransform

	Declaration
From	let SCNModelTransform: NSString!
To	let SCNModelTransform: String

Modified SCNModelViewProjectionTransform

	Declaration
From	let SCNModelViewProjectionTransform: NSString!
To	let SCNModelViewProjectionTransform: String

Modified SCNModelViewTransform

	Declaration
From	let SCNModelViewTransform: NSString!
To	let SCNModelViewTransform: String

Modified SCNNormalTransform

	Declaration
From	let SCNNormalTransform: NSString!
To	let SCNNormalTransform: String

Modified SCNParticleEventBlock

Declaration

From

typealias SCNParticleEventBlock = (UnsafePointer<UnsafePointer<()>>, UnsafePointer<UInt>, UnsafePointer<UInt32>, Int) -> Void

typealias SCNParticleEventBlock = (UnsafeMutablePointer<UnsafeMutablePointer<Void>>, UnsafeMutablePointer<Int>, UnsafeMutablePointer<UInt32>, Int) -> Void

Modified SCNParticleModifierBlock

Declaration

From

typealias SCNParticleModifierBlock = (UnsafePointer<UnsafePointer<()>>, UnsafePointer<UInt>, Int, Int, Float) -> Void

typealias SCNParticleModifierBlock = (UnsafeMutablePointer<UnsafeMutablePointer<Void>>, UnsafeMutablePointer<Int>, Int, Int, Float) -> Void

Modified SCNParticlePropertyAngle

	Declaration
From	let SCNParticlePropertyAngle: NSString!
To	let SCNParticlePropertyAngle: String

Modified SCNParticlePropertyAngularVelocity

	Declaration
From	let SCNParticlePropertyAngularVelocity: NSString!
To	let SCNParticlePropertyAngularVelocity: String

Modified SCNParticlePropertyBounce

	Declaration
From	let SCNParticlePropertyBounce: NSString!
To	let SCNParticlePropertyBounce: String

Modified SCNParticlePropertyCharge

	Declaration
From	let SCNParticlePropertyCharge: NSString!
To	let SCNParticlePropertyCharge: String

Modified SCNParticlePropertyColor

	Declaration
From	let SCNParticlePropertyColor: NSString!
To	let SCNParticlePropertyColor: String

Modified SCNParticlePropertyContactNormal

	Declaration
From	let SCNParticlePropertyContactNormal: NSString!
To	let SCNParticlePropertyContactNormal: String

Modified SCNParticlePropertyContactPoint

	Declaration
From	let SCNParticlePropertyContactPoint: NSString!
To	let SCNParticlePropertyContactPoint: String

Modified SCNParticlePropertyFrame

	Declaration
From	let SCNParticlePropertyFrame: NSString!
To	let SCNParticlePropertyFrame: String

Modified SCNParticlePropertyFrameRate

	Declaration
From	let SCNParticlePropertyFrameRate: NSString!
To	let SCNParticlePropertyFrameRate: String

Modified SCNParticlePropertyFriction

	Declaration
From	let SCNParticlePropertyFriction: NSString!
To	let SCNParticlePropertyFriction: String

Modified SCNParticlePropertyLife

	Declaration
From	let SCNParticlePropertyLife: NSString!
To	let SCNParticlePropertyLife: String

Modified SCNParticlePropertyOpacity

	Declaration
From	let SCNParticlePropertyOpacity: NSString!
To	let SCNParticlePropertyOpacity: String

Modified SCNParticlePropertyPosition

	Declaration
From	let SCNParticlePropertyPosition: NSString!
To	let SCNParticlePropertyPosition: String

Modified SCNParticlePropertyRotationAxis

	Declaration
From	let SCNParticlePropertyRotationAxis: NSString!
To	let SCNParticlePropertyRotationAxis: String

Modified SCNParticlePropertySize

	Declaration
From	let SCNParticlePropertySize: NSString!
To	let SCNParticlePropertySize: String

Modified SCNParticlePropertyVelocity

	Declaration
From	let SCNParticlePropertyVelocity: NSString!
To	let SCNParticlePropertyVelocity: String

Modified SCNPhysicsShapeKeepAsCompoundKey

	Declaration
From	let SCNPhysicsShapeKeepAsCompoundKey: NSString!
To	let SCNPhysicsShapeKeepAsCompoundKey: String

Modified SCNPhysicsShapeScaleKey

	Declaration
From	let SCNPhysicsShapeScaleKey: NSString!
To	let SCNPhysicsShapeScaleKey: String

Modified SCNPhysicsShapeTypeBoundingBox

	Declaration
From	let SCNPhysicsShapeTypeBoundingBox: NSString!
To	let SCNPhysicsShapeTypeBoundingBox: String

Modified SCNPhysicsShapeTypeConcavePolyhedron

	Declaration
From	let SCNPhysicsShapeTypeConcavePolyhedron: NSString!
To	let SCNPhysicsShapeTypeConcavePolyhedron: String

Modified SCNPhysicsShapeTypeConvexHull

	Declaration
From	let SCNPhysicsShapeTypeConvexHull: NSString!
To	let SCNPhysicsShapeTypeConvexHull: String

Modified SCNPhysicsShapeTypeKey

	Declaration
From	let SCNPhysicsShapeTypeKey: NSString!
To	let SCNPhysicsShapeTypeKey: String

Modified SCNPhysicsTestBackfaceCullingKey

	Declaration
From	let SCNPhysicsTestBackfaceCullingKey: NSString!
To	let SCNPhysicsTestBackfaceCullingKey: String

Modified SCNPhysicsTestCollisionBitMaskKey

	Declaration
From	let SCNPhysicsTestCollisionBitMaskKey: NSString!
To	let SCNPhysicsTestCollisionBitMaskKey: String

Modified SCNPhysicsTestSearchModeAll

	Declaration
From	let SCNPhysicsTestSearchModeAll: NSString!
To	let SCNPhysicsTestSearchModeAll: String

Modified SCNPhysicsTestSearchModeAny

	Declaration
From	let SCNPhysicsTestSearchModeAny: NSString!
To	let SCNPhysicsTestSearchModeAny: String

Modified SCNPhysicsTestSearchModeClosest

	Declaration
From	let SCNPhysicsTestSearchModeClosest: NSString!
To	let SCNPhysicsTestSearchModeClosest: String

Modified SCNPhysicsTestSearchModeKey

	Declaration
From	let SCNPhysicsTestSearchModeKey: NSString!
To	let SCNPhysicsTestSearchModeKey: String

Modified SCNProgramMappingChannelKey

	Declaration
From	let SCNProgramMappingChannelKey: NSString!
To	let SCNProgramMappingChannelKey: String

Modified SCNProjectionTransform

	Declaration
From	let SCNProjectionTransform: NSString!
To	let SCNProjectionTransform: String

Modified SCNSceneEndTimeAttributeKey

	Declaration
From	let SCNSceneEndTimeAttributeKey: NSString!
To	let SCNSceneEndTimeAttributeKey: String

Modified SCNSceneExportDestinationURL

	Declaration	Introduction
From	let SCNSceneExportDestinationURL: NSString!	OS X 10.10
To	let SCNSceneExportDestinationURL: String	OS X 10.9

Modified SCNSceneExportProgressHandler

	Declaration
From	typealias SCNSceneExportProgressHandler = (Float, NSError!, UnsafePointer<ObjCBool>) -> Void
To	typealias SCNSceneExportProgressHandler = (Float, NSError!, UnsafeMutablePointer<ObjCBool>) -> Void

Modified SCNSceneFrameRateAttributeKey

	Declaration
From	let SCNSceneFrameRateAttributeKey: NSString!
To	let SCNSceneFrameRateAttributeKey: String

Modified SCNSceneSourceAnimationImportPolicyDoNotPlay

	Declaration
From	let SCNSceneSourceAnimationImportPolicyDoNotPlay: NSString!
To	let SCNSceneSourceAnimationImportPolicyDoNotPlay: String

Modified SCNSceneSourceAnimationImportPolicyKey

	Declaration
From	let SCNSceneSourceAnimationImportPolicyKey: NSString!
To	let SCNSceneSourceAnimationImportPolicyKey: String

Modified SCNSceneSourceAnimationImportPolicyPlay

	Declaration
From	let SCNSceneSourceAnimationImportPolicyPlay: NSString!
To	let SCNSceneSourceAnimationImportPolicyPlay: String

Modified SCNSceneSourceAnimationImportPolicyPlayRepeatedly

	Declaration
From	let SCNSceneSourceAnimationImportPolicyPlayRepeatedly: NSString!
To	let SCNSceneSourceAnimationImportPolicyPlayRepeatedly: String

Modified SCNSceneSourceAnimationImportPolicyPlayUsingSceneTimeBase

	Declaration
From	let SCNSceneSourceAnimationImportPolicyPlayUsingSceneTimeBase: NSString!
To	let SCNSceneSourceAnimationImportPolicyPlayUsingSceneTimeBase: String

Modified SCNSceneSourceAssetAuthorKey

	Declaration
From	let SCNSceneSourceAssetAuthorKey: NSString!
To	let SCNSceneSourceAssetAuthorKey: String

Modified SCNSceneSourceAssetAuthoringToolKey

	Declaration
From	let SCNSceneSourceAssetAuthoringToolKey: NSString!
To	let SCNSceneSourceAssetAuthoringToolKey: String

Modified SCNSceneSourceAssetContributorsKey

	Declaration
From	let SCNSceneSourceAssetContributorsKey: NSString!
To	let SCNSceneSourceAssetContributorsKey: String

Modified SCNSceneSourceAssetCreatedDateKey

	Declaration
From	let SCNSceneSourceAssetCreatedDateKey: NSString!
To	let SCNSceneSourceAssetCreatedDateKey: String

Modified SCNSceneSourceAssetDirectoryURLsKey

	Declaration
From	let SCNSceneSourceAssetDirectoryURLsKey: NSString!
To	let SCNSceneSourceAssetDirectoryURLsKey: String

Modified SCNSceneSourceAssetModifiedDateKey

	Declaration
From	let SCNSceneSourceAssetModifiedDateKey: NSString!
To	let SCNSceneSourceAssetModifiedDateKey: String

Modified SCNSceneSourceAssetUnitKey

	Declaration
From	let SCNSceneSourceAssetUnitKey: NSString!
To	let SCNSceneSourceAssetUnitKey: String

Modified SCNSceneSourceAssetUnitMeterKey

	Declaration
From	let SCNSceneSourceAssetUnitMeterKey: NSString!
To	let SCNSceneSourceAssetUnitMeterKey: String

Modified SCNSceneSourceAssetUnitNameKey

	Declaration
From	let SCNSceneSourceAssetUnitNameKey: NSString!
To	let SCNSceneSourceAssetUnitNameKey: String

Modified SCNSceneSourceAssetUpAxisKey

	Declaration
From	let SCNSceneSourceAssetUpAxisKey: NSString!
To	let SCNSceneSourceAssetUpAxisKey: String

Modified SCNSceneSourceCheckConsistencyKey

	Declaration
From	let SCNSceneSourceCheckConsistencyKey: NSString!
To	let SCNSceneSourceCheckConsistencyKey: String

Modified SCNSceneSourceConvertToYUpKey

	Declaration
From	let SCNSceneSourceConvertToYUpKey: NSString!
To	let SCNSceneSourceConvertToYUpKey: String

Modified SCNSceneSourceConvertUnitsToMetersKey

	Declaration
From	let SCNSceneSourceConvertUnitsToMetersKey: NSString!
To	let SCNSceneSourceConvertUnitsToMetersKey: String

Modified SCNSceneSourceCreateNormalsIfAbsentKey

	Declaration
From	let SCNSceneSourceCreateNormalsIfAbsentKey: NSString!
To	let SCNSceneSourceCreateNormalsIfAbsentKey: String

Modified SCNSceneSourceFlattenSceneKey

	Declaration
From	let SCNSceneSourceFlattenSceneKey: NSString!
To	let SCNSceneSourceFlattenSceneKey: String

Modified SCNSceneSourceOverrideAssetURLsKey

	Declaration
From	let SCNSceneSourceOverrideAssetURLsKey: NSString!
To	let SCNSceneSourceOverrideAssetURLsKey: String

Modified SCNSceneSourceStatusHandler

Declaration

From

typealias SCNSceneSourceStatusHandler = (Float, SCNSceneSourceStatus, NSError!, UnsafePointer<ObjCBool>) -> Void

typealias SCNSceneSourceStatusHandler = (Float, SCNSceneSourceStatus, NSError!, UnsafeMutablePointer<ObjCBool>) -> Void

Modified SCNSceneSourceStrictConformanceKey

	Declaration
From	let SCNSceneSourceStrictConformanceKey: NSString!
To	let SCNSceneSourceStrictConformanceKey: String

Modified SCNSceneSourceUseSafeModeKey

	Declaration
From	let SCNSceneSourceUseSafeModeKey: NSString!
To	let SCNSceneSourceUseSafeModeKey: String

Modified SCNSceneStartTimeAttributeKey

	Declaration
From	let SCNSceneStartTimeAttributeKey: NSString!
To	let SCNSceneStartTimeAttributeKey: String

Modified SCNSceneUpAxisAttributeKey

	Declaration
From	let SCNSceneUpAxisAttributeKey: NSString!
To	let SCNSceneUpAxisAttributeKey: String

Modified SCNShaderModifierEntryPointFragment

	Declaration	Introduction
From	let SCNShaderModifierEntryPointFragment: NSString!	OS X 10.10
To	let SCNShaderModifierEntryPointFragment: String	OS X 10.9

Modified SCNShaderModifierEntryPointGeometry

	Declaration	Introduction
From	let SCNShaderModifierEntryPointGeometry: NSString!	OS X 10.10
To	let SCNShaderModifierEntryPointGeometry: String	OS X 10.9

Modified SCNShaderModifierEntryPointLightingModel

	Declaration	Introduction
From	let SCNShaderModifierEntryPointLightingModel: NSString!	OS X 10.10
To	let SCNShaderModifierEntryPointLightingModel: String	OS X 10.9

Modified SCNShaderModifierEntryPointSurface

	Declaration	Introduction
From	let SCNShaderModifierEntryPointSurface: NSString!	OS X 10.10
To	let SCNShaderModifierEntryPointSurface: String	OS X 10.9

Modified SCNViewTransform

	Declaration
From	let SCNViewTransform: NSString!
To	let SCNViewTransform: String