func calibratePoint(et gaze.EyeTracker, x, y float64) {
termbox.Clear(0, 0)
sizeX, sizeY := termbox.Size()
dx, dy := int(float64(sizeX)*x), int(float64(sizeY)*y)
termbox.CellBuffer()[sizeX*dy+dx] = termbox.Cell{'#', marker, termbox.ColorDefault}
termbox.Flush()
//log.Printf("Termbox Size: (%d, %d)", sizeX, sizeY)
log.Printf("Calibrating (%.3f, %.3f)", x, y)
done := make(chan struct{})
time.Sleep(1 * time.Second) //Minimum time. Gives user time to react.
et.AddPointToCalibration(gaze.NewPoint2D(x, y), func(err error) {
close(done) //Synchronizing async call.
})
<-done
}
func main() {
flag.Parse()
log.Println("Creating tracker...")
var et *gaze.EyeTracker
var err error
if *auto {
et, err = gaze.AnyEyeTracker()
} else {
url := flag.Arg(0)
et, err = gaze.EyeTrackerFromURL(url)
}
if err != nil {
log.Fatalln("Error:", err)
}
defer et.Close()
log.Println("Tracker created.")
log.Println("Connecting to tracker.")
checked(et.Connect())
log.Println("Connected!")
info, err := et.Info()
checked(err)
log.Println(info)
et.StartTracking(func(data *gaze.GazeData) {
ts := data.TrackingStatus()
if ts >= gaze.BothEyesTracked && ts != gaze.OneEyeTrackedUnknownWhich {
fmt.Println(data)
}
})
time.Sleep(time.Second * 30)
}