示例#1
0
 void IDrawer.DrawCreatePointPreview(Vector3 position)
 {
     m_Drawer.DrawCreatePointPreview(position);
 }
        public EditablePathView(IDrawer drawer)
        {
            m_Drawer = drawer;

            m_PointControl = new GenericControl("Point")
            {
                count    = GetPointCount,
                distance = (guiState, i) =>
                {
                    var position = GetPoint(i).position;
                    return(guiState.DistanceToCircle(position, guiState.GetHandleSize(position) * 10f));
                },
                position  = (i) => { return(GetPoint(i).position); },
                forward   = (i) => { return(GetForward()); },
                up        = (i) => { return(GetUp()); },
                right     = (i) => { return(GetRight()); },
                onRepaint = DrawPoint
            };

            m_EdgeControl = new GenericControl("Edge")
            {
                onEndLayout = (guiState) => { controller.AddClosestPath(m_EdgeControl.layoutData.distance); },
                count       = GetEdgeCount,
                distance    = DistanceToEdge,
                position    = (i) => { return(GetPoint(i).position); },
                forward     = (i) => { return(GetForward()); },
                up          = (i) => { return(GetUp()); },
                right       = (i) => { return(GetRight()); },
                onRepaint   = DrawEdge
            };

            m_LeftTangentControl = new GenericControl("LeftTangent")
            {
                count = () =>
                {
                    if (GetShapeType() != ShapeType.Spline)
                    {
                        return(0);
                    }

                    return(GetPointCount());
                },
                distance = (guiState, i) =>
                {
                    if (!IsSelected(i) || IsOpenEnded() && i == 0)
                    {
                        return(float.MaxValue);
                    }

                    var position = GetLeftTangent(i);
                    return(guiState.DistanceToCircle(position, guiState.GetHandleSize(position) * 10f));
                },
                position  = (i) => { return(GetLeftTangent(i)); },
                forward   = (i) => { return(GetForward()); },
                up        = (i) => { return(GetUp()); },
                right     = (i) => { return(GetRight()); },
                onRepaint = (guiState, control, i) =>
                {
                    if (!IsSelected(i) || IsOpenEnded() && i == 0)
                    {
                        return;
                    }

                    var position    = GetPoint(i).position;
                    var leftTangent = GetLeftTangent(i);

                    m_Drawer.DrawTangent(position, leftTangent);
                }
            };

            m_RightTangentControl = new GenericControl("RightTangent")
            {
                count = () =>
                {
                    if (GetShapeType() != ShapeType.Spline)
                    {
                        return(0);
                    }

                    return(GetPointCount());
                },
                distance = (guiState, i) =>
                {
                    if (!IsSelected(i) || IsOpenEnded() && i == GetPointCount() - 1)
                    {
                        return(float.MaxValue);
                    }

                    var position = GetRightTangent(i);
                    return(guiState.DistanceToCircle(position, guiState.GetHandleSize(position) * 10f));
                },
                position  = (i) => { return(GetRightTangent(i)); },
                forward   = (i) => { return(GetForward()); },
                up        = (i) => { return(GetUp()); },
                right     = (i) => { return(GetRight()); },
                onRepaint = (guiState, control, i) =>
                {
                    if (!IsSelected(i) || IsOpenEnded() && i == GetPointCount() - 1)
                    {
                        return;
                    }

                    var position     = GetPoint(i).position;
                    var rightTangent = GetRightTangent(i);

                    m_Drawer.DrawTangent(position, rightTangent);
                }
            };

            m_CreatePointAction = new CreatePointAction(m_PointControl, m_EdgeControl)
            {
                enable             = (guiState, action) => { return(!guiState.isShiftDown && controller.closestEditablePath == controller.editablePath); },
                enableRepaint      = EnableCreatePointRepaint,
                repaintOnMouseMove = (guiState, action) => { return(true); },
                guiToWorld         = GUIToWorld,
                onCreatePoint      = (index, position) =>
                {
                    controller.RegisterUndo("Create Point");
                    controller.CreatePoint(index, position);
                },
                onPreRepaint = (guiState, action) =>
                {
                    if (GetPointCount() > 0)
                    {
                        var position = ClosestPointInEdge(guiState, guiState.mousePosition, m_EdgeControl.layoutData.index);
                        m_Drawer.DrawCreatePointPreview(position);
                    }
                }
            };

            Action <IGUIState> removePoints = (guiState) =>
            {
                controller.RegisterUndo("Remove Point");
                controller.RemoveSelectedPoints();
                guiState.changed = true;
            };

            m_RemovePointAction1 = new CommandAction(kDeleteCommandName)
            {
                enable    = (guiState, action) => { return(GetSelectedPointCount() > 0); },
                onCommand = removePoints
            };

            m_RemovePointAction2 = new CommandAction(kSoftDeleteCommandName)
            {
                enable    = (guiState, action) => { return(GetSelectedPointCount() > 0); },
                onCommand = removePoints
            };

            m_MovePointAction = new SliderAction(m_PointControl)
            {
                onClick = (guiState, control) =>
                {
                    var index = control.layoutData.index;

                    if (!guiState.isActionKeyDown && !IsSelected(index))
                    {
                        controller.ClearSelection();
                    }

                    controller.SelectPoint(index, true);
                    guiState.changed = true;
                },
                onSliderBegin = (guiState, control, position) =>
                {
                    controller.RegisterUndo("Move Point");
                },
                onSliderChanged = (guiState, control, position) =>
                {
                    var index = control.hotLayoutData.index;
                    var delta = SnapIfNeeded(position) - GetPoint(index).position;

                    controller.MoveSelectedPoints(delta);
                }
            };

            m_MoveEdgeAction = new SliderAction(m_EdgeControl)
            {
                enable        = (guiState, action) => { return(guiState.isShiftDown); },
                onSliderBegin = (guiState, control, position) =>
                {
                    controller.RegisterUndo("Move Edge");
                },
                onSliderChanged = (guiState, control, position) =>
                {
                    var index = control.hotLayoutData.index;
                    var delta = position - GetPoint(index).position;

                    controller.MoveEdge(index, delta);
                }
            };

            var cachedRightTangent = Vector3.zero;
            var cachedLeftTangent  = Vector3.zero;

            m_MoveLeftTangentAction = new SliderAction(m_LeftTangentControl)
            {
                onSliderBegin = (guiState, control, position) =>
                {
                    controller.RegisterUndo("Move Tangent");
                    cachedRightTangent = GetPoint(control.hotLayoutData.index).rightTangent;
                },
                onSliderChanged = (guiState, control, position) =>
                {
                    var index       = control.hotLayoutData.index;
                    var setToLinear = guiState.nearestControl == m_PointControl.ID && m_PointControl.layoutData.index == index;

                    controller.SetLeftTangent(index, position, setToLinear, guiState.isShiftDown, cachedRightTangent);
                },
                onSliderEnd = (guiState, control, position) =>
                {
                    controller.editablePath.UpdateTangentMode(control.hotLayoutData.index);
                    guiState.changed = true;
                }
            };

            m_MoveRightTangentAction = new SliderAction(m_RightTangentControl)
            {
                onSliderBegin = (guiState, control, position) =>
                {
                    controller.RegisterUndo("Move Tangent");
                    cachedLeftTangent = GetPoint(control.hotLayoutData.index).leftTangent;
                },
                onSliderChanged = (guiState, control, position) =>
                {
                    var index       = control.hotLayoutData.index;
                    var setToLinear = guiState.nearestControl == m_PointControl.ID && m_PointControl.layoutData.index == index;

                    controller.SetRightTangent(index, position, setToLinear, guiState.isShiftDown, cachedLeftTangent);
                },
                onSliderEnd = (guiState, control, position) =>
                {
                    controller.editablePath.UpdateTangentMode(control.hotLayoutData.index);
                    guiState.changed = true;
                }
            };
        }