docs: Add missing godocs for Leap Motion platform

Signed-off-by: deadprogram <ron@hybridgroup.com>

platforms/leap/leap_motion_adaptor.go

@@ -6,6 +6,7 @@ import (
 	"golang.org/x/net/websocket"
 )
 
+// Adaptor is the Gobot Adaptor connection to the Leap Motion
 type Adaptor struct {
 	name    string
 	port    string
@@ -13,27 +14,35 @@ type Adaptor struct {
 	connect func(string) (io.ReadWriteCloser, error)
 }
 
-// NewAdaptor creates a new leap motion adaptor using specified port
+// NewAdaptor creates a new leap motion adaptor using specified port,
+// which is this case is the host IP or name of the Leap Motion daemon
 func NewAdaptor(port string) *Adaptor {
 	return &Adaptor{
 		name: "LeapMotion",
 		port: port,
-		connect: func(port string) (io.ReadWriteCloser, error) {
-			return websocket.Dial("ws://"+port+"/v3.json", "", "http://"+port)
+		connect: func(host string) (io.ReadWriteCloser, error) {
+			return websocket.Dial("ws://"+host+"/v3.json", "", "http://"+host)
 		},
 	}
 }
-func (l *Adaptor) Name() string     { return l.name }
+
+// Name returns the Adaptor Name
+func (l *Adaptor) Name() string { return l.name }
+
+// SetName sets the Adaptor Name
 func (l *Adaptor) SetName(n string) { l.name = n }
-func (l *Adaptor) Port() string     { return l.port }
+
+// Port returns the Adaptor Port which is this case is the host IP or name
+func (l *Adaptor) Port() string { return l.port }
 
 // Connect returns true if connection to leap motion is established successfully
 func (l *Adaptor) Connect() (err error) {
-	if ws, e := l.connect(l.Port()); e != nil {
+	ws, e := l.connect(l.Port())
+	if e != nil {
 		return e
-	} else {
-		l.ws = ws
 	}
+
+	l.ws = ws
 	return
 }
 

platforms/leap/leap_motion_driver.go

@@ -17,6 +17,7 @@ const (
 	GestureEvent = "gesture"
 )
 
+// Driver the Gobot software device to the Leap Motion
 type Driver struct {
 	name       string
 	connection gobot.Connection
@@ -27,7 +28,7 @@ var receive = func(ws io.ReadWriteCloser, msg *[]byte) {
 	websocket.Message.Receive(ws.(*websocket.Conn), msg)
 }
 
-// NewLDriver creates a new leap motion driver
+// NewDriver creates a new leap motion driver
 //
 // Adds the following events:
 //		"message" - Gets triggered when receiving a message from leap motion
@@ -45,8 +46,14 @@ func NewDriver(a *Adaptor) *Driver {
 	l.AddEvent(GestureEvent)
 	return l
 }
-func (l *Driver) Name() string                 { return l.name }
-func (l *Driver) SetName(n string)             { l.name = n }
+
+// Name returns the Driver Name
+func (l *Driver) Name() string { return l.name }
+
+// SetName sets the Driver Name
+func (l *Driver) SetName(n string) { l.name = n }
+
+// Connection returns the Driver's Connection
 func (l *Driver) Connection() gobot.Connection { return l.connection }
 
 // adaptor returns leap motion adaptor

platforms/leap/parser.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 )
 
+// Gesture is a Leap Motion gesture tht has been detected
 type Gesture struct {
 	Direction     []float64   `json:"direction"`
 	Duration      int         `json:"duration"`
@@ -17,6 +18,7 @@ type Gesture struct {
 	Type          string      `json:"type"`
 }
 
+// Hand is a Leap Motion hand tht has been detected
 type Hand struct {
 	Direction              []float64   `json:"direction"`
 	ID                     int         `json:"id"`
@@ -32,6 +34,7 @@ type Hand struct {
 	TimeVisible            float64     `json:"TimeVisible"`
 }
 
+// Pointable is a Leap Motion pointing motion tht has been detected
 type Pointable struct {
 	Direction             []float64 `json:"direction"`
 	HandID                int       `json:"handId"`
@@ -46,12 +49,13 @@ type Pointable struct {
 	TouchZone             string    `json:"touchZone"`
 }
 
+// InteractionBox is the area within which the gestural interaction has been detected
 type InteractionBox struct {
 	Center []int     `json:"center"`
 	Size   []float64 `json:"size"`
 }
 
-// Base representation returned that holds every other objects
+// Frame is the base representation returned that holds every other objects
 type Frame struct {
 	CurrentFrameRate float64        `json:"currentFrameRate"`
 	Gestures         []Gesture      `json:"gestures"`