public override void UpdatePointPosition(int index, Mouse3DPosition vertex)
{
var trsfInterpreter = Node.Set <TransformationInterpreter>();
if (_initialDraggingPosition == null)
{
InitializeDragging(vertex, trsfInterpreter);
}
//Log.DebugFormat("@pivot {0} {1} {2}", trsfInterpreter.Pivot.X(), trsfInterpreter.Pivot.Y(), trsfInterpreter.Pivot.Z());
var rotate = new gpPnt(0, 0, 0);
var startDraggingVector = new gpVec(trsfInterpreter.Pivot, _initialDraggingPosition.Value.GpPnt);
if (startDraggingVector.Magnitude <= gp.Resolution)
{
return;
}
var currentDraggingVector = new gpVec(trsfInterpreter.Pivot, vertex.Point.GpPnt);
if (currentDraggingVector.Magnitude <= gp.Resolution)
{
return;
}
var currentGizmo = GetPointLocation(index);
var rotationAxis = currentGizmo.Direction;
if (rotationAxis.IsParallel(gp.OX.Direction, Precision.Angular))
{
var rotationAngle =
startDraggingVector.AngleWithRef(currentDraggingVector, new gpVec(gp.OX.Direction)) -
_previousAngle;
_previousAngle = startDraggingVector.AngleWithRef(currentDraggingVector,
new gpVec(gp.OX.Direction));
rotate.X = GeomUtils.RadiansToDegrees(rotationAngle);
}
else if (rotationAxis.IsParallel(gp.OY.Direction, Precision.Angular))
{
var rotationAngle =
startDraggingVector.AngleWithRef(currentDraggingVector, new gpVec(gp.OY.Direction)) -
_previousAngle;
_previousAngle = startDraggingVector.AngleWithRef(currentDraggingVector,
new gpVec(gp.OY.Direction));
rotate.Y = GeomUtils.RadiansToDegrees(rotationAngle);
}
else if (rotationAxis.IsParallel(gp.OZ.Direction, Precision.Angular))
{
var rotationAngle =
startDraggingVector.AngleWithRef(currentDraggingVector, new gpVec(gp.OZ.Direction)) -
_previousAngle;
_previousAngle = startDraggingVector.AngleWithRef(currentDraggingVector,
new gpVec(gp.OZ.Direction));
rotate.Z = GeomUtils.RadiansToDegrees(rotationAngle);
}
//Log.DebugFormat("@rotation angle {0}", GeomUtils.RadiansToDegrees(rotationAngle));
trsfInterpreter.Rotate = rotate;
}