private void EndDragSession()
{
if (_activeDragSession != null)
{
_activeDragSession.End();
_dragInfo.IsDragged = false;
if (PreDragEnd != null)
{
PreDragEnd(this, _dragInfo.HandleId);
}
foreach (var behaviour in _behaviours)
{
if (behaviour.IsEnabled)
{
behaviour.OnGizmoDragEnd(_dragInfo.HandleId);
}
}
int dragHandleId = _dragInfo.HandleId;
_dragInfo.Reset();
if (PostDragEnd != null)
{
PostDragEnd(this, dragHandleId);
}
}
_activeDragSession = null;
}
public void SetDragSession(IGizmoDragSession dragSession)
{
foreach (var cap in _caps)
{
cap.DragSession = dragSession;
}
}
private void TryActivateDragSession()
{
if (_hoveredHandle != null && _hoveredHandle.DragSession != null)
{
foreach (var behaviour in _behaviours)
{
if (behaviour.IsEnabled)
{
if (!behaviour.OnGizmoCanBeginDrag(_hoveredHandle.Id))
{
return;
}
}
}
if (PreDragBeginAttempt != null)
{
PreDragBeginAttempt(this, _hoveredHandle.Id);
}
foreach (var behaviour in _behaviours)
{
if (behaviour.IsEnabled)
{
behaviour.OnGizmoAttemptHandleDragBegin(_hoveredHandle.Id);
}
}
if (PostDragBeginAttempt != null)
{
PostDragBeginAttempt(this, _hoveredHandle.Id);
}
if (_hoveredHandle.DragSession.Begin())
{
_activeDragSession = _hoveredHandle.DragSession;
_dragInfo.IsDragged = true;
_dragInfo.DragChannel = _activeDragSession.DragChannel;
_dragInfo.HandleDimension = _hoverInfo.HandleDimension;
_dragInfo.HandleId = _hoverInfo.HandleId;
_dragInfo.DragBeginPoint = _hoverInfo.HoverPoint;
if (PreDragBegin != null)
{
PreDragBegin(this, _dragInfo.HandleId);
}
foreach (var behaviour in _behaviours)
{
if (behaviour.IsEnabled)
{
behaviour.OnGizmoDragBegin(_dragInfo.HandleId);
}
}
if (PostDragBegin != null)
{
PostDragBegin(this, _dragInfo.HandleId);
}
}
}
}
public void SetDragChannel(GizmoDragChannel dragChannel)
{
_dragChannel = dragChannel;
if (_dragChannel == GizmoDragChannel.Offset)
{
_selectedDragSession = _offsetDrag;
}
else if (_dragChannel == GizmoDragChannel.Rotation)
{
_selectedDragSession = _rotationDrag;
}
else if (_dragChannel == GizmoDragChannel.Scale)
{
_selectedDragSession = _scaleDrag;
}
Handle.DragSession = _selectedDragSession;
}
public void UnregisterTransformAsDragTarget(IGizmoDragSession dragSession)
{
dragSession.RemoveTargetTransform(_transform);
}
public void RegisterTransformAsDragTarget(IGizmoDragSession dragSession)
{
dragSession.AddTargetTransform(_transform);
}