private static float calculateSmoothSnapAngle(float mouseX)
{
float dt = Time.deltaTime;
currentDt += dt;
if (currentDt < SMOOTH_SNAP_INCREMENT_TIME_DELTA)
{
return(0f);
}
else
{
// We've hit our deltaT target, so reset it and continue
// with calculating the next increment.
currentDt = 0f;
}
float finalSnapTarget = VHVRConfig.GetSnapTurnAngle() * smoothSnapDirection;
float smoothSnapIncrement = VHVRConfig.SmoothSnapSpeed() * smoothSnapDirection;
if (Mathf.Abs(finalSnapTarget) > Mathf.Abs(currentSmoothSnapAmount + smoothSnapIncrement))
{
// We can still increment by the full "smoothSnapIncrement" and
// be below our final target.
return(smoothSnapIncrement);
}
else
{
// If we increment by the full amount, we'll exceed our target, so
// we should only return the difference
return((Mathf.Abs(finalSnapTarget) - Mathf.Abs(currentSmoothSnapAmount)) * smoothSnapDirection);
}
}
private static void handleImmediateSnap(ref Vector2 mouseLook)
{
if (turnInputApplied(mouseLook.x))
{
// The player triggered a turn this update, so incremement
// by the full snap angle.
snapTriggered = true;
mouseLook.x = (mouseLook.x > 0 ? VHVRConfig.GetSnapTurnAngle() : -VHVRConfig.GetSnapTurnAngle());
return;
}
else
{
snapTriggered = false;
mouseLook.x = 0f;
}
}
private static void handleSmoothSnap(ref Vector2 mouseLook)
{
if (!isSmoothSnapping)
{
// On this update, we are not currently smooth snapping.
// Check if the turnInput is applied and trigger the snap if it is
// otherwise set turn angle to zero.
if (turnInputApplied(mouseLook.x))
{
isSmoothSnapping = true;
snapTriggered = true;
// reset the current smooth snapped amount/dt
currentSmoothSnapAmount = 0f;
currentDt = 0f;
smoothSnapDirection = (mouseLook.x > 0) ? 1 : -1;
// Determine how much the current update should snap by
float snapIncrementAmount = calculateSmoothSnapAngle(mouseLook.x);
currentSmoothSnapAmount += snapIncrementAmount;
if (Mathf.Abs(currentSmoothSnapAmount) >= VHVRConfig.GetSnapTurnAngle())
{
// Immediately hit the snap target ? Config is probably weirdly set.
// Handle this case anyways.
isSmoothSnapping = false;
}
mouseLook.x = snapIncrementAmount;
}
else
{
snapTriggered = false;
mouseLook.x = 0f;
}
}
else
{
// We are in the middle of a smooth snap
float snapIncrementAmount = calculateSmoothSnapAngle(mouseLook.x);
currentSmoothSnapAmount += snapIncrementAmount;
if (Mathf.Abs(currentSmoothSnapAmount) >= VHVRConfig.GetSnapTurnAngle())
{
// We've exceeded our target, so disable smooth snapping
isSmoothSnapping = false;
}
mouseLook.x = snapIncrementAmount;
}
}