private void OnGizmoAttemptHandleDragBegin(Gizmo gizmo, int handleId)
{
if (handleId == HandleId)
{
if (_dragChannel == GizmoDragChannel.Offset)
{
GizmoDblAxisOffsetDrag3D.WorkData workData = new GizmoDblAxisOffsetDrag3D.WorkData();
workData.Axis0 = Right;
workData.Axis1 = Up;
workData.DragOrigin = Position;
workData.SnapStep0 = Settings.OffsetSnapStepRight;
workData.SnapStep1 = Settings.OffsetSnapStepUp;
_dblAxisOffsetDrag.SetWorkData(workData);
}
else
if (_dragChannel == GizmoDragChannel.Rotation)
{
GizmoSglAxisRotationDrag3D.WorkData workData = new GizmoSglAxisRotationDrag3D.WorkData();
workData.Axis = Normal;
workData.RotationPlanePos = Position;
workData.SnapMode = Settings.RotationSnapMode;
workData.SnapStep = Settings.RotationSnapStep;
_rotationDrag.SetWorkData(workData);
Vector3 arcStart = Plane.ProjectPoint(Gizmo.HoverInfo.HoverPoint);
_rotationArc.SetArcData(Normal, Position, arcStart, GetRealCircleRadius(GetZoomFactor(Gizmo.FocusCamera)));
}
else
if (_dragChannel == GizmoDragChannel.Scale)
{
float zoomFactor = GetZoomFactor(Gizmo.FocusCamera);
GizmoDblAxisScaleDrag3D.WorkData workData = new GizmoDblAxisScaleDrag3D.WorkData();
workData.Axis0 = Right;
workData.Axis1 = Up;
workData.DragOrigin = Position;
workData.AxisIndex0 = _scaleDragAxisIndexRight;
workData.AxisIndex1 = _scaleDragAxisIndexUp;
workData.ScaleMode = Settings.ScaleMode;
if (workData.ScaleMode == GizmoDblAxisScaleMode.Independent)
{
workData.IndSnapStep0 = Settings.ScaleSnapStepRight;
workData.IndSnapStep1 = Settings.ScaleSnapStepUp;
if (LookAndFeel.PlaneType == GizmoPlane3DType.Quad)
{
workData.IndBaseSize0 = GetRealQuadWidth(zoomFactor) * 0.5f;
workData.IndBaseSize1 = GetRealQuadHeight(zoomFactor) * 0.5f;
}
else
if (LookAndFeel.PlaneType == GizmoPlane3DType.RATriangle)
{
workData.IndBaseSize0 = GetRealRATriXLength(zoomFactor);
workData.IndBaseSize1 = GetRealRATriYLength(zoomFactor);
}
}
else
{
if (LookAndFeel.PlaneType == GizmoPlane3DType.Quad)
{
workData.PropBaseSize = TriangleMath.CalcRATriangleHypotenuse(GetRealQuadSize(zoomFactor) * 0.5f);
}
else
if (LookAndFeel.PlaneType == GizmoPlane3DType.RATriangle)
{
workData.PropBaseSize = TriangleMath.CalcRATriangleAltitude(GetRealRATriSize(zoomFactor));
}
workData.PropSnapStep = Settings.ProportionalScaleSnapStep;
workData.PropAxis = ((Right + Up) * 0.5f).normalized;
}
_scaleDrag.SetWorkData(workData);
}
}
}
private void OnGizmoAttemptHandleDragBegin(Gizmo gizmo, int handleId)
{
if (handleId == HandleId)
{
if (_dragChannel == GizmoDragChannel.Offset)
{
GizmoDblAxisOffsetDrag3D.WorkData workData = new GizmoDblAxisOffsetDrag3D.WorkData();
workData.Axis0 = Vector2Ex.ConvertDirTo3D(_transform.Right2D, OffsetDragOrigin, Gizmo.FocusCamera).normalized;
workData.Axis1 = Vector2Ex.ConvertDirTo3D(_transform.Up2D, OffsetDragOrigin, Gizmo.FocusCamera).normalized;
workData.DragOrigin = OffsetDragOrigin;
workData.SnapStep0 = Settings.OffsetSnapStepRight;
workData.SnapStep1 = Settings.OffsetSnapStepUp;
_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;
if (LookAndFeel.PlaneType != GizmoPlane2DType.Polygon)
{
workData.RotationPlanePos = Gizmo.FocusCamera.ScreenToWorldPoint(new Vector3(Position.x, Position.y, Gizmo.FocusCamera.nearClipPlane));
}
if (LookAndFeel.PlaneType == GizmoPlane2DType.Circle)
{
_rotationArc.SetArcData(Position, Gizmo.HoverInfo.HoverPoint, GetRealCircleRadius());
_rotationArc.Type = GizmoRotationArc2D.ArcType.Standard;
}
else
if (LookAndFeel.PlaneType == GizmoPlane2DType.Polygon)
{
Vector3 polyCenter = PolyCenter;
workData.RotationPlanePos = Gizmo.FocusCamera.ScreenToWorldPoint(new Vector3(polyCenter.x, polyCenter.y, Gizmo.FocusCamera.nearClipPlane));
_rotationArc.SetArcData(PolyCenter, Gizmo.HoverInfo.HoverPoint, 1.0f);
_rotationArc.Type = GizmoRotationArc2D.ArcType.PolyProjected;
_rotationArc.ProjectionPoly = _polygon;
_rotationArc.NumProjectedPoints = 100;
}
_rotationDrag.SetWorkData(workData);
}
else
if (_dragChannel == GizmoDragChannel.Scale)
{
_scaleAxisRight = Vector2Ex.ConvertDirTo3D(Position, GetRealExtentPoint(Shape2DExtentPoint.Right), ScaleDragOrigin, Gizmo.FocusCamera);
_scaleAxisUp = Vector2Ex.ConvertDirTo3D(Position, GetRealExtentPoint(Shape2DExtentPoint.Top), ScaleDragOrigin, Gizmo.FocusCamera);
GizmoDblAxisScaleDrag3D.WorkData workData = new GizmoDblAxisScaleDrag3D.WorkData();
workData.Axis0 = _scaleAxisRight.normalized;
workData.Axis1 = _scaleAxisUp.normalized;
workData.AxisIndex0 = _scaleDragAxisIndexRight;
workData.AxisIndex1 = _scaleDragAxisIndexUp;
workData.DragOrigin = ScaleDragOrigin;
workData.ScaleMode = Settings.ScaleMode;
workData.IndBaseSize0 = _scaleAxisRight.magnitude;
workData.IndBaseSize1 = _scaleAxisUp.magnitude;
if (workData.ScaleMode == GizmoDblAxisScaleMode.Independent)
{
workData.IndSnapStep0 = Settings.ScaleSnapStepRight;
workData.IndSnapStep1 = Settings.ScaleSnapStepUp;
workData.IndBaseSize0 = _scaleAxisRight.magnitude;
workData.IndBaseSize1 = _scaleAxisUp.magnitude;
}
else
{
Vector2 triSides = new Vector2(_scaleAxisRight.magnitude, _scaleAxisUp.magnitude);
workData.PropBaseSize = TriangleMath.CalcRATriangleHypotenuse(triSides);
workData.PropSnapStep = Settings.ProportionalScaleSnapStep;
workData.PropAxis = ((Right + Up) * 0.5f).normalized;
}
_scaleDrag.SetWorkData(workData);
}
}
}