protected override void ApplyConstraints()
{
base.ApplyConstraints();
if (m_AppliedPinTarget.IsReferenceDestroyed())
{
TryUnpin(true);
}
else if (!m_AppliedPinTarget.IsReferenceNull())
{
bool bNowOnScreen = RecalculatePosition();
if (bNowOnScreen != m_PinOnScreen)
{
m_PinOnScreen = bNowOnScreen;
if (ShouldProcess)
{
if (m_PinOnScreen)
{
m_OnPinAppear.Invoke(m_AppliedPinTarget);
}
else
{
m_OnPinDisappear.Invoke(m_AppliedPinTarget);
}
}
}
ApplyPosition();
if (m_PinOnScreen && ShouldProcess)
{
m_OnPinUpdate.Invoke(m_AppliedPinTarget, m_CurrentPinPosition);
}
}
}
private bool TryUnpin(bool inbForce)
{
if (inbForce || !m_AppliedPinTarget.IsReferenceNull())
{
Transform oldTarget = m_CurrentTarget;
m_AppliedPinTarget = null;
m_CurrentTarget = null;
m_WorldCameraGroup.Clear();
m_CanvasCameraGroup.Clear();
m_TargetTransformGroup.Clear();
if (ShouldProcess)
{
m_OnPinEnd.Invoke(oldTarget);
}
return(true);
}
return(false);
}