SamsaraJS

  • API Docs for Version: 0.2.0


    • Show:

    Inputs.RotateInput Class

    Uses
    Extends Inputs.TwoFingerInput
    Defined in: samsara/inputs/RotateInput.js:15

    Detects two-finger rotational motion and emits start, update and end events with the payload data:

     value         - Angle of rotation
 delta         - Differential of successive angles
 velocity      - Velocity of rotation
 center        - Midpoint between the two touches
 touchIds       - Array of DOM event touch identifiers

    Constructor

    Inputs.RotateInput

    (
    • options
    )

    Parameters:

    • options Object

      Options

      • [scale=1] Number optional

        Scale the response to pinch

    Example:

     var rotateInput = new RotateInput();
        
         rotateInput.subscribe(Engine) // listens on window events
        
         rotateInput.on('start', function(payload){
             console.log('start', payload);
         });
        
         rotateInput.on('update', function(payload){
             console.log('update', payload);
         });
        
         rotateInput.on('end', function(payload){
             console.log('end', payload);
         });

    Methods

    "on"

    (
    • type
    • handler
    )

    Inherited from Core.OptionsManager:

    Adds a handler to the type channel which will be executed on emit.

    Parameters:

    filter

    (
    • filterFn
    )

    Inherited from Streams.SimpleStream:

    Filter converts the current stream into a new stream that only emits if the filter condition is satisfied. The function should return a Boolean.

    Parameters:

    • filterFn Function
      Function to filter event payload

    get

    (
    • key
    )
    Object

    Inherited from Core.OptionsManager:

    Look up options value by key or get the full options hash.

    Parameters:

    Returns:

    Object:

    Associated object or full options hash

    getOptions

    ()

    Inherited from Core.OptionsManager:

    Alias for get

    key

    (
    • key
    )
    OptionsManager

    Inherited from Core.OptionsManager:

    Return OptionsManager based on sub-object retrieved by key.

    Parameters:

    Returns:

    OptionsManager:

    Value

    map

    (
    • mapperFn
    )

    Inherited from Streams.SimpleStream:

    Map converts the current stream into a new stream with a modified (mapped) data payload.

    Parameters:

    • mapperFn Function
      Function to map event payload

    off

    (
    • type
    • handler
    )

    Inherited from Core.OptionsManager:

    Removes the handler from the type channel. This undoes the work of on.

    Parameters:

    OptionsManager.patch

    (
    • options
    • patch
    )
    Object

    Inherited from Core.OptionsManager but overwritten in

    Constructor method. Create OptionsManager from source dictionary with arguments overriden by patch dictionary.

    Parameters:

    • options Object

      Options to be patched

    • patch ...Object

      Options to overwrite

    Returns:

    Object:

    source

    patch

    (
    • options
    )
    OptionsManager

    Inherited from Core.OptionsManager:

    Patch options with provided patches. Triggers change event on the object.

    Parameters:

    • options Object

      Patch options

    Returns:

    OptionsManager:

    this

    pluck

    (
    • key
    )

    Inherited from Streams.SimpleStream:

    Pluck is an opinionated mapper. It projects a Stream onto one of its return values. Useful if a Stream returns an array or an object.

    Parameters:

    set

    (
    • key
    • value
    )
    OptionsManager

    Inherited from Core.OptionsManager:

    Set key to value. Outputs change event if a value is overwritten.

    Parameters:

    Returns:

    OptionsManager:

    Updated OptionsManager

    setOptions

    ()

    Inherited from Core.OptionsManager:

    Alias for patch

    split

    (
    • splitterFn
    )

    Inherited from Streams.SimpleStream:

    Split maps one of several streams based on custom logic. The function should return an EventEmitter.

    Parameters: