- r -
- R
: Vector4
, Vector3
, Vector2
- Ratio
: RayHit
- ReadMask
: StencilFunc
- Ready
: ImageAsset
- Rectangle
: FrameBuffer
- Reference
: StencilFunc
- ReflectMotionAcceleration
: LiveSpringPanel
- ReflectSensorAcceleration
: LiveSpringPanel
- Release
: Input2.ButtonState
, Input2.TouchData
- Repeating
: Effect
, UIAnimationPlayer
- ResA
: PhysicsSolverPair
- ResB
: PhysicsSolverPair
- RestitutionCoeff
: PhysicsBody
, PhysicsScene
- Result
: DialogEventArgs
, ICommonDialog
, TextInputDialog
, InAppPurchaseDialog
, Dialog
, MessageDialogButtonEventArgs
, CameraImportDialog
, PhotoImportDialog
- Revolution
: JumpFlipEffect
- RightCandidate
: FocusCustomSettings
- RootUIElement
: Widget
- RootWidget
: Scene
- RotateDirection
: JumpFlipTransition
- Rotation
: Node
, PhysicsBody
- RotationAxis
: JumpFlipEffect
- RotationNormalize
: TRS
, Node
- RowW
: Matrix4
- RowX
: Matrix4
- RowY
: Matrix4
- RowZ
: Matrix4