private void OnGizmoAttemptHandleDragBegin(Gizmo gizmo, int handleId)
{
if (handleId == Handle.Id || handleId == _cap3D.HandleId)
{
if (_dragChannel == GizmoDragChannel.Offset)
{
// We need to tell the session about the data that it needs in order to do its work
GizmoSglAxisOffsetDrag3D.WorkData workData = new GizmoSglAxisOffsetDrag3D.WorkData();
workData.Axis = Direction; // The offset session will offset along the slider direction
workData.DragOrigin = StartPosition; // The point on the drag plane is the slider's start point
workData.SnapStep = Settings.OffsetSnapStep; // Use the snap step stored in the slider settings
_offsetDrag.SetWorkData(workData); // Set the work data
}
else
if (_dragChannel == GizmoDragChannel.Rotation)
{
// We need to tell the session about the data that it needs in order to do its work
GizmoSglAxisRotationDrag3D.WorkData workData = new GizmoSglAxisRotationDrag3D.WorkData();
workData.Axis = DragRotationAxis; // The rotation session will rotate around the drag rotation axis
workData.RotationPlanePos = StartPosition; // The point on the rotation plane is the slider's start point
workData.SnapStep = Settings.RotationSnapStep; // Use the snap step stored in the slider settings
workData.SnapMode = Settings.RotationSnapMode; // Use the snap mode stored in the slider settings
_rotationDrag.SetWorkData(workData); // Set the work data
// Configure the rotation arc plane
_rotationArc.SetArcData(DragRotationAxis, StartPosition, StartPosition + Direction, GetRealLength(GetZoomFactor(Gizmo.FocusCamera)));
}
else
if (_dragChannel == GizmoDragChannel.Scale)
{
// We need to tell the session about the data that it needs in order to do its work
GizmoSglAxisScaleDrag3D.WorkData workData = new GizmoSglAxisScaleDrag3D.WorkData();
workData.Axis = Direction; // The scale session will scale along the slider direction
workData.DragOrigin = StartPosition; // The point on the drag plane is the slider's start point
workData.SnapStep = Settings.ScaleSnapStep; // Use the snap step stored in the slider settings
workData.AxisIndex = ScaleDragAxisIndex; // We want the slider to store the scale ouput in the component with the specified index.
workData.BaseSize = GetRealLength(GetZoomFactor(Gizmo.FocusCamera)); // The session needs to know the size of the entity which will be scaled in order to properly
// calculate a scale drag value. We use the real length of the slider for this.
_scaleDrag.SetWorkData(workData); // Set the work data
}
}
}
private void OnGizmoAttemptHandleDragBegin(Gizmo gizmo, int handleId)
{
if (handleId == Handle.Id || handleId == _cap2D.HandleId)
{
if (_dragChannel == GizmoDragChannel.Offset)
{
GizmoSglAxisOffsetDrag3D.WorkData workData = new GizmoSglAxisOffsetDrag3D.WorkData();
workData.Axis = Vector2Ex.ConvertDirTo3D(StartPosition, GetRealEndPosition(), OffsetDragOrigin, Gizmo.FocusCamera).normalized;
workData.DragOrigin = OffsetDragOrigin;
workData.SnapStep = Settings.OffsetSnapStep;
_offsetDrag.SetWorkData(workData);
}
else
if (_dragChannel == GizmoDragChannel.Rotation)
{
GizmoSglAxisRotationDrag3D.WorkData workData = new GizmoSglAxisRotationDrag3D.WorkData();
workData.Axis = Gizmo.FocusCamera.transform.forward;
workData.SnapMode = Settings.RotationSnapMode;
workData.SnapStep = Settings.RotationSnapStep;
workData.RotationPlanePos = Gizmo.FocusCamera.ScreenToWorldPoint(new Vector3(_transform.Position2D.x, _transform.Position2D.y, Gizmo.FocusCamera.nearClipPlane));
_rotationArc.SetArcData(StartPosition, GetRealEndPosition(), GetRealLength());
_rotationDrag.SetWorkData(workData);
}
else
if (_dragChannel == GizmoDragChannel.Scale)
{
_scaleAxis = Vector2Ex.ConvertDirTo3D(StartPosition, GetRealEndPosition(), ScaleDragOrigin, Gizmo.FocusCamera);
GizmoSglAxisScaleDrag3D.WorkData workData = new GizmoSglAxisScaleDrag3D.WorkData();
workData.Axis = _scaleAxis.normalized;
workData.AxisIndex = _scaleDragAxisIndex;
workData.BaseSize = _scaleAxis.magnitude;
workData.DragOrigin = ScaleDragOrigin;
workData.SnapStep = Settings.ScaleSnapStep;
_scaleDrag.SetWorkData(workData);
}
}
}