private void CameraService_DirectionProcessed(object sender, LookingDirectionObject e)
{
positionCanvas.RemoveDots();
positionCanvas.DrawDotByPercent(e.XPercent, e.YPercent);
vm.XPercent = e.XPercent;
vm.YPercent = e.YPercent;
}
public static LookingDirectionObject GetLookingDirection(Facelandmarks faceLandmarks)
{
// left X
var leftXMinPos = faceLandmarks.eyeLeftOuter.x;
var leftXMaxPos = faceLandmarks.eyeLeftInner.x;
var leftXPos = faceLandmarks.pupilLeft.x;
double leftXMaxValue = leftXMaxPos - leftXMinPos;
double leftXValue = leftXPos - leftXMinPos;
double leftXPercent = leftXValue / leftXMaxValue;
// left Y
var leftYMinPos = faceLandmarks.eyeLeftTop.y;
var leftYMaxPos = faceLandmarks.eyeLeftBottom.y;
var leftYPos = faceLandmarks.pupilLeft.y;
double leftYMaxValue = leftYMaxPos - leftYMinPos;
double leftYValue = leftYPos - leftYMinPos;
double leftYPercent = leftYValue / leftYMaxValue;
// right X
var rightXMinPos = faceLandmarks.eyeRightInner.x;
var rightXMaxPos = faceLandmarks.eyeRightOuter.x;
var rightXPos = faceLandmarks.pupilRight.x;
double rightXMaxValue = rightXMaxPos - rightXMinPos;
double rightXValue = rightXPos - rightXMinPos;
double rightXPercent = rightXValue / rightXMaxValue;
// right Y
var rightYMinPos = faceLandmarks.eyeRightTop.y;
var rightYMaxPos = faceLandmarks.eyeRightBottom.y;
var rightYPos = faceLandmarks.pupilRight.y;
double rightYMaxValue = rightYMaxPos - rightYMinPos;
double rightYValue = rightYPos - rightYMinPos;
double rightYPercent = rightYValue / rightYMaxValue;
// average, xPercent mirrored thus 1 - value
double xPercent = 1 - ((leftXPercent + rightXPercent) / 2);
double yPercent = (leftYPercent + rightYPercent) / 2;
// generate direction
var direction = new LookingDirectionObject();
if (xPercent < (MiddleX - RANGE))
{
direction.IsLookingLeft = true;
}
else if (xPercent > (MiddleX + RANGE))
{
direction.IsLookingRight = true;
}
else if (yPercent < (MiddleY - RANGE))
{
direction.IsLookingTop = true;
}
else if (yPercent > (MiddleY + (RANGE - 0.1))) // hard to go very bottom
{
direction.IsLookingBottom = true;
}
if (!direction.IsLookingLeft &&
!direction.IsLookingRight &&
!direction.IsLookingTop &&
!direction.IsLookingBottom)
{
direction.IsLookingCenter = true;
}
direction.XPercent = xPercent;
direction.YPercent = yPercent;
Debug.WriteLine($"XPercent {xPercent} YPercent {yPercent}");
return(direction);
}
