public override void TouchMoved(CCTouch touch, CCEvent pEvent)
{
if (!Visible)
{
return;
}
if (m_pTouches.Contains(touch))
{
if (m_pTouches.Count == 1 && m_bDragging)
{
// scrolling
m_bTouchMoved = true;
CCPoint frameOriginal = Parent.ConvertToWorldSpace(Position);
var frame = new CCRect(frameOriginal.X, frameOriginal.Y, m_tViewSize.Width, m_tViewSize.Height);
CCPoint newPoint = ConvertTouchToNodeSpace(m_pTouches[0]);
CCPoint moveDistance = newPoint - m_tTouchPoint;
m_tTouchPoint = newPoint;
if (frame.ContainsPoint(ConvertToWorldSpace(newPoint)))
{
switch (m_eDirection)
{
case CCScrollViewDirection.Vertical:
moveDistance = new CCPoint(0.0f, moveDistance.Y);
break;
case CCScrollViewDirection.Horizontal:
moveDistance = new CCPoint(moveDistance.X, 0.0f);
break;
}
m_pContainer.Position = m_pContainer.Position + moveDistance;
CCPoint maxInset = m_fMaxInset;
CCPoint minInset = m_fMinInset;
//check to see if offset lies within the inset bounds
float newX = Math.Min(m_pContainer.Position.X, maxInset.X);
newX = Math.Max(newX, minInset.X);
float newY = Math.Min(m_pContainer.Position.Y, maxInset.Y);
newY = Math.Max(newY, minInset.Y);
m_tScrollDistance = moveDistance - new CCPoint(newX - m_pContainer.Position.X, newY - m_pContainer.Position.Y);
SetContentOffset(new CCPoint(newX, newY), false);
}
}
else if (m_pTouches.Count == 2 && !m_bDragging)
{
float len = CCPoint.Distance(m_pContainer.ConvertTouchToNodeSpace(m_pTouches[0]),
m_pContainer.ConvertTouchToNodeSpace(m_pTouches[1]));
ZoomScale = ZoomScale * len / m_fTouchLength;
}
}
}
/** 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);
}
// Returns the point where the bolt is at a given fraction of the way through the bolt. Passing
// zero will return the start of the bolt, and passing 1 will return the end.
private CCPoint GetPoint(BoltStatus b, float position)
{
var start = b.Bolt.Start;
float length = CCPoint.Distance(start, b.Bolt.End);
CCPoint dir = (b.Bolt.End - start) / length;
position *= length;
for (int i = 0; i < b.Segments.Count; i += 2)
{
if (CCPoint.Dot(b.Segments[i] - start, dir) >= position)
{
float lineStartPos = CCPoint.Dot(b.Segments[i] - start, dir);
float lineEndPos = CCPoint.Dot(b.Segments[i + 1] - start, dir);
float linePos = (position - lineStartPos) / (lineEndPos - lineStartPos);
return(CCPoint.Lerp(b.Segments[i], b.Segments[i + 1], linePos));
}
}
return(CCPoint.Zero);
}
public override void TouchMoved(CCTouch touch)
{
if (!Visible)
{
return;
}
if (m_pTouches.Contains(touch))
{
if (m_pTouches.Count == 1 && m_bDragging)
{ // scrolling
CCPoint moveDistance, newPoint; //, maxInset, minInset;
CCRect frame;
float newX, newY;
frame = GetViewRect();
newPoint = ConvertTouchToNodeSpace(m_pTouches[0]);
moveDistance = newPoint - m_tTouchPoint;
float dis = 0.0f;
if (m_eDirection == CCScrollViewDirection.Vertical)
{
dis = moveDistance.Y;
}
else if (m_eDirection == CCScrollViewDirection.Horizontal)
{
dis = moveDistance.X;
}
else
{
dis = (float)Math.Sqrt(moveDistance.X * moveDistance.X + moveDistance.Y * moveDistance.Y);
}
if (!m_bTouchMoved && Math.Abs(ConvertDistanceFromPointToInch(dis)) < MOVE_INCH)
{
//CCLOG("Invalid movement, distance = [%f, %f], disInch = %f", moveDistance.x, moveDistance.y);
return;
}
if (!m_bTouchMoved)
{
moveDistance = CCPoint.Zero;
}
m_tTouchPoint = newPoint;
m_bTouchMoved = true;
if (frame.ContainsPoint(ConvertToWorldSpace(newPoint)))
{
switch (m_eDirection)
{
case CCScrollViewDirection.Vertical:
moveDistance = new CCPoint(0.0f, moveDistance.Y);
break;
case CCScrollViewDirection.Horizontal:
moveDistance = new CCPoint(moveDistance.X, 0.0f);
break;
default:
break;
}
//maxInset = m_fMaxInset;
//minInset = m_fMinInset;
newX = m_pContainer.Position.X + moveDistance.X;
newY = m_pContainer.Position.Y + moveDistance.Y;
m_tScrollDistance = moveDistance;
SetContentOffset(new CCPoint(newX, newY));
}
}
else if (m_pTouches.Count == 2 && !m_bDragging)
{
float len = CCPoint.Distance(m_pContainer.ConvertTouchToNodeSpace(m_pTouches[0]),
m_pContainer.ConvertTouchToNodeSpace(m_pTouches[1]));
ZoomScale = ZoomScale * len / m_fTouchLength;
}
}
}
