/// <summary>
/// Move the core handle and if present also the slave handles in a way that the control point triple is collinear.
/// </summary>
public void HandleMove(IInputModeContext context, PointD originalLocation, PointD newLocation)
{
var delta = newLocation - originalLocation;
coreHandle.HandleMove(context, originalLocation, newLocation);
if (firstSlaveHandle != null)
{
firstSlaveHandle.HandleMove(context, firstOrigin, firstOrigin + delta);
}
if (lastSlaveHandle != null)
{
lastSlaveHandle.HandleMove(context, lastOrigin, lastOrigin + delta);
}
}
/// <summary>
/// Move the core handle and if present also the slave handle in a way that the control point triple is collinear.
/// </summary>
public void HandleMove(IInputModeContext context, PointD originalLocation, PointD newLocation)
{
coreHandle.HandleMove(context, originalLocation, newLocation);
if (slaveHandle != null)
{
//If necessary, rotate the slave handle
//Move the other one by the point reflection of our move delta, keeping its distance, though
var delta = newLocation - middleLocation;
//The distance of the slave handle - we keep this
var otherDist = (slaveOrigin - middleLocation).VectorLength;
//We can use the original context since we have already done all decisions in InitializeDrag
slaveHandle.HandleMove(context, slaveOrigin, middleLocation - delta.Normalized * otherDist);
}
}
