public Point GetNextPoint(Point warpPoint)
{
Rectangle screenSize = PrecisionGazeMouseForm.GetScreenSize();
switch (mode)
{
case (PrecisionPointerMode.ROTATION):
rot = this.getRotation();
if (rot != null)
{
// When a person looks to the edge of the screen, they rotate their head slightly. It'd be annoying if
// the pointer was always offset down when we looked down, for example. So we need to correct for it.
// Assuming a neutral head position is the middle of the screen, and the edge rotation is the number of
// pixels of head rotation we'd get when looking at the edge of the screen, calculate the ratio we expect
// at the given warp point.
double basePitch = (warpPoint.Y - screenSize.Height / 2.0) / (screenSize.Height / 2.0) * EDGE_Y_ROTATION;
// subtract the pixels due to looking at the warp point, and scale the offset by the sensitivity setting
int yOffset = (int)((rot.pitch - basePitch) * sensitivity / BASELINE_SENSITIVITY);
double baseYaw = (warpPoint.X - screenSize.Width / 2.0) / (screenSize.Width / 2.0) * EDGE_X_ROTATION;
int xOffset = (int)((-1 * rot.yaw - baseYaw) * sensitivity / BASELINE_SENSITIVITY);
warpPoint.Offset(xOffset, yOffset);
return(warpPoint);
}
break;
case (PrecisionPointerMode.TRANSLATION):
trans = this.getTranslation();
if (trans != null)
{
warpPoint.Offset((int)(trans.x / 1.5), (int)(trans.y / 1.5));
return(warpPoint);
}
break;
case (PrecisionPointerMode.BOTH):
trans = this.getTranslation();
if (trans != null)
{
warpPoint.Offset((int)(trans.x / 1.5), 0); // set y to zero because translating head/up down is difficult, and it throws off the rotation
}
rot = this.getRotation();
if (rot != null)
{
double basePitch = (warpPoint.Y - screenSize.Height / 2.0) / (screenSize.Height / 2.0) * EDGE_Y_ROTATION;
int yOffset = (int)((rot.pitch - basePitch) * sensitivity / BASELINE_SENSITIVITY);
double baseYaw = (warpPoint.X - screenSize.Width / 2.0) / (screenSize.Width / 2.0) * EDGE_X_ROTATION;
int xOffset = (int)((-1 * rot.yaw - baseYaw) * sensitivity / BASELINE_SENSITIVITY);
warpPoint.Offset(xOffset, yOffset);
}
return(warpPoint);
}
return(warpPoint);
}
HeadRotation getRotation()
{
HeadRotation o = new HeadRotation();
o.pitch = tid.fNPPitch;
o.yaw = tid.fNPYaw;
return(o);
}
public Point GetNextPoint(Point warpPoint)
{
Rectangle screenSize = PrecisionGazeMouseForm.GetScreenSize();
switch (mode)
{
case (PrecisionPointerMode.ROTATION):
rot = this.getRotation();
if (rot != null)
{
double basePitch = (warpPoint.Y - screenSize.Height / 2.0) / (screenSize.Height / 2.0) * 200.0;
int yOffset = (int)((rot.pitch - basePitch) * sensitivity / 20);
double baseYaw = (warpPoint.X - screenSize.Width / 2.0) / (screenSize.Width / 2.0) * 600.0;
int xOffset = (int)((-1 * rot.yaw - baseYaw) * sensitivity / 20);
warpPoint.Offset(xOffset, yOffset);
return(warpPoint);
}
break;
case (PrecisionPointerMode.TRANSLATION):
trans = this.getTranslation();
if (trans != null)
{
warpPoint.Offset((int)(trans.x / 1.5), (int)(trans.y / 1.5));
return(warpPoint);
}
break;
case (PrecisionPointerMode.BOTH):
trans = this.getTranslation();
if (trans != null)
{
warpPoint.Offset((int)(trans.x / 1.5), 0); // set y to zero because translating head/up down is difficult, and it throws off the rotation
}
rot = this.getRotation();
if (rot != null)
{
double basePitch = (warpPoint.Y - screenSize.Height / 2.0) / (screenSize.Height / 2.0) * 200.0;
int yOffset = (int)((rot.pitch - basePitch) * sensitivity / 20);
double baseYaw = (warpPoint.X - screenSize.Width / 2.0) / (screenSize.Width / 2.0) * 600.0;
int xOffset = (int)((-1 * rot.yaw - baseYaw) * sensitivity / 20);
warpPoint.Offset(xOffset, yOffset);
}
return(warpPoint);
}
return(warpPoint);
}
public Point GetNextPoint(Point warpPoint)
{
Rectangle screenSize = PrecisionGazeMouseForm.GetScreenSize();
switch (mode)
{
case (PrecisionPointerMode.ROTATION):
rot = this.getRotation();
if (rot != null)
{
double basePitch = (warpPoint.Y - screenSize.Height / 2.0) / (screenSize.Height / 2.0) * 200.0;
int yOffset = (int)((rot.pitch - basePitch) * sensitivity / 20);
double baseYaw = (warpPoint.X - screenSize.Width / 2.0) / (screenSize.Width / 2.0) * 600.0;
int xOffset = (int)((-1 * rot.yaw - baseYaw) * sensitivity / 20);
warpPoint.Offset(xOffset, yOffset);
return(warpPoint);
}
break;
case (PrecisionPointerMode.TRANSLATION):
trans = this.getTranslation();
if (trans != null)
{
warpPoint.Offset((int)(trans.x / 1.5), (int)(trans.y / 1.5));
return(warpPoint);
}
break;
case (PrecisionPointerMode.BOTH):
trans = this.getTranslation();
if (trans != null)
{
warpPoint.Offset((int)(trans.x / 1.5), 0); // set y to zero because translating head/up down is difficult, and it throws off the rotation
}
rot = this.getRotation();
if (rot != null)
{
double basePitch = (warpPoint.Y - screenSize.Height / 2.0) / (screenSize.Height / 2.0) * 200.0;
int yOffset = (int)((rot.pitch - basePitch) * sensitivity / 20);
double baseYaw = (warpPoint.X - screenSize.Width / 2.0) / (screenSize.Width / 2.0) * 600.0;
int xOffset = (int)((-1 * rot.yaw - baseYaw) * sensitivity / 20);
warpPoint.Offset(xOffset, yOffset);
}
return(warpPoint);
case (PrecisionPointerMode.JOYSTICK):
rot = this.getRotation();
float xValue = -1 * rot.yaw / 100;
float yValue = rot.pitch / 100;
if (xJoystickMode = (Math.Abs(xValue) <= 20))
{
float referenceValue = 40; // when value is referenceValue, right of screen, -referenceValue left of screen
float normalized = (xValue + referenceValue) / (referenceValue * 2);
warpPoint.X = (int)Math.Floor(normalized * screenSize.Width);
}
else
{
warpPoint.X = (int)Math.Floor(xValue);
}
if (yJoystickMode = (Math.Abs(yValue) <= 20))
{
float referenceValue = 40; // when value is referenceValue, top of screen, -referenceValue bottom of screen
float normalized = (yValue + referenceValue) / (referenceValue * 2);
warpPoint.Y = (int)Math.Floor(normalized * screenSize.Width);
}
else
{
warpPoint.Y = (int)Math.Floor(yValue);
}
return(warpPoint);
}
return(warpPoint);
}
