/** override functions */
// optional
public override bool TouchBegan(CCTouch pTouch, CCEvent pEvent)
{
if (!Visible)
{
return(false);
}
CCPoint frameOriginal = Parent.ConvertToWorldSpace(Position);
var frame = new CCRect(frameOriginal.X, frameOriginal.Y, m_tViewSize.Width, m_tViewSize.Height);
//dispatcher does not know about clipping. reject touches outside visible bounds.
if (m_pTouches.Count > 2 ||
m_bTouchMoved ||
!frame.ContainsPoint(m_pContainer.ConvertToWorldSpace(m_pContainer.ConvertTouchToNodeSpace(pTouch))))
{
return(false);
}
if (!m_pTouches.Contains(pTouch))
{
m_pTouches.Add(pTouch);
}
if (m_pTouches.Count == 1)
{
// scrolling
m_tTouchPoint = ConvertTouchToNodeSpace(pTouch);
m_bTouchMoved = false;
m_bDragging = true; //dragging started
m_tScrollDistance = new CCPoint(0.0f, 0.0f);
m_fTouchLength = 0.0f;
}
else if (m_pTouches.Count == 2)
{
m_tTouchPoint = CCPoint.Midpoint(ConvertTouchToNodeSpace(m_pTouches[0]),
ConvertTouchToNodeSpace(m_pTouches[1]));
m_fTouchLength = CCPoint.Distance(m_pContainer.ConvertTouchToNodeSpace(m_pTouches[0]),
m_pContainer.ConvertTouchToNodeSpace(m_pTouches[1]));
m_bDragging = false;
}
return(true);
}
/** override functions */
// optional
public override bool TouchBegan(CCTouch pTouch)
{
if (!Visible)
{
return(false);
}
CCRect frame = GetViewRect();
//dispatcher does not know about clipping. reject touches outside visible bounds.
if (m_pTouches.Count > 2 ||
m_bTouchMoved ||
!frame.ContainsPoint(m_pContainer.ConvertToWorldSpace(m_pContainer.ConvertTouchToNodeSpace(pTouch))))
{
return(false);
}
if (!m_pTouches.Contains(pTouch))
{
m_pTouches.Add(pTouch);
}
if (m_pTouches.Count == 1)
{
// scrolling
m_tTouchPoint = ConvertTouchToNodeSpace(pTouch);
m_bTouchMoved = false;
m_bDragging = true; //dragging started
m_tScrollDistance = CCPoint.Zero;
m_fTouchLength = 0.0f;
}
else if (m_pTouches.Count == 2)
{
m_tTouchPoint = CCPoint.Midpoint(ConvertTouchToNodeSpace(m_pTouches[0]),
ConvertTouchToNodeSpace(m_pTouches[1]));
m_fTouchLength = CCPoint.Distance(m_pContainer.ConvertTouchToNodeSpace(m_pTouches[0]),
m_pContainer.ConvertTouchToNodeSpace(m_pTouches[1]));
m_bDragging = false;
}
return(true);
}