Copyright	(c) 2016-19 Brian W Bush
License	MIT
Maintainer	Brian W Bush <code@functionally.io>
Stability	Stable
Portability	Portable
Safe Haskell	None
Language	Haskell2010

System.Hardware.Leap.Event.Gesture

Contents

Events

Description

Gesture events for Leap Motion <https://www.leapmotion.com/product/desktop>, based on the Web Socket API <https://developer.leapmotion.com/documentation/javascript/supplements/Leap_JSON.html>.

Synopsis

data Gesture a
- = GestureReference {
  - leapId :: LeapId
  }
- | Circle {
  - center :: Vector a
  - duration :: Duration
  - hands :: [Hand a]
  - leapId :: LeapId
  - normal :: Vector a
  - pointables :: [Pointable a]
  - progress :: a
  - radius :: a
  - state :: State
  }
- | Swipe {
  - direction :: Vector a
  - duration :: Duration
  - hands :: [Hand a]
  - leapId :: LeapId
  - pointables :: [Pointable a]
  - position :: Vector a
  - speed :: a
  - startPosition :: Vector a
  - state :: State
  }
- | KeyTap {
  - direction :: Vector a
  - duration :: Duration
  - hands :: [Hand a]
  - leapId :: LeapId
  - pointables :: [Pointable a]
  - position :: Vector a
  - progress :: a
  - state :: State
  }
- | ScreenTap {
  - direction :: Vector a
  - duration :: Duration
  - hands :: [Hand a]
  - leapId :: LeapId
  - pointables :: [Pointable a]
  - position :: Vector a
  - progress :: a
  - state :: State
  }
data State
- = Start
- | Update
- | Stop

Events

data Gesture a Source #

Gesture tracking information. See <https://developer.leapmotion.com/documentation/javascript/supplements/Leap_JSON.html> for details.

Constructors

GestureReference
Fields leapId :: LeapId
Circle
Fields center :: Vector a duration :: Duration hands :: [Hand a] leapId :: LeapId normal :: Vector a pointables :: [Pointable a] progress :: a radius :: a state :: State
Swipe
Fields direction :: Vector a duration :: Duration hands :: [Hand a] leapId :: LeapId pointables :: [Pointable a] position :: Vector a speed :: a startPosition :: Vector a state :: State
KeyTap
Fields direction :: Vector a duration :: Duration hands :: [Hand a] leapId :: LeapId pointables :: [Pointable a] position :: Vector a progress :: a state :: State
ScreenTap
Fields direction :: Vector a duration :: Duration hands :: [Hand a] leapId :: LeapId pointables :: [Pointable a] position :: Vector a progress :: a state :: State

Instances

Eq a => Eq (Gesture a) Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods (==) :: Gesture a -> Gesture a -> Bool # (/=) :: Gesture a -> Gesture a -> Bool #
Ord a => Ord (Gesture a) Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods compare :: Gesture a -> Gesture a -> Ordering # (<) :: Gesture a -> Gesture a -> Bool # (<=) :: Gesture a -> Gesture a -> Bool # (>) :: Gesture a -> Gesture a -> Bool # (>=) :: Gesture a -> Gesture a -> Bool # max :: Gesture a -> Gesture a -> Gesture a # min :: Gesture a -> Gesture a -> Gesture a #
Read a => Read (Gesture a) Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods readsPrec :: Int -> ReadS (Gesture a) # readList :: ReadS [Gesture a] # readPrec :: ReadPrec (Gesture a) # readListPrec :: ReadPrec [Gesture a] #
Show a => Show (Gesture a) Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods showsPrec :: Int -> Gesture a -> ShowS # show :: Gesture a -> String # showList :: [Gesture a] -> ShowS #
FromJSON a => FromJSON (Gesture a) Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods parseJSON :: Value -> Parser (Gesture a) # parseJSONList :: Value -> Parser [Gesture a] #

data State Source #

The state of a gesture.

Constructors

Start
Update
Stop

Instances

Bounded State Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods minBound :: State # maxBound :: State #
Enum State Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods succ :: State -> State # pred :: State -> State # toEnum :: Int -> State # fromEnum :: State -> Int # enumFrom :: State -> [State] # enumFromThen :: State -> State -> [State] # enumFromTo :: State -> State -> [State] # enumFromThenTo :: State -> State -> State -> [State] #
Eq State Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods (==) :: State -> State -> Bool # (/=) :: State -> State -> Bool #
Ord State Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods compare :: State -> State -> Ordering # (<) :: State -> State -> Bool # (<=) :: State -> State -> Bool # (>) :: State -> State -> Bool # (>=) :: State -> State -> Bool # max :: State -> State -> State # min :: State -> State -> State #
Read State Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods readsPrec :: Int -> ReadS State # readList :: ReadS [State] # readPrec :: ReadPrec State # readListPrec :: ReadPrec [State] #
Show State Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods showsPrec :: Int -> State -> ShowS # show :: State -> String # showList :: [State] -> ShowS #
FromJSON State Source #
Instance details Defined in System.Hardware.Leap.Event.Gesture Methods parseJSON :: Value -> Parser State # parseJSONList :: Value -> Parser [State] #