private SplinePointHandle.Result DrawDragHandle(SplineRenderer renderer, Vector3 position, float scale, bool hasSelectionMargin) { Handles.DrawCapFunction dcf = Handles.CircleCap; float size = HandleUtility.GetHandleSize(position) * 2.0f * m_pointSizeConst; Vector2 guiPosition = HandleUtility.WorldToGUIPoint(position); if (Vector2.Distance(guiPosition, Event.current.mousePosition) > 15 * renderer.PointSize * scale || IsControlPointDrag || Event.current.alt) { size *= 0; } float selectionSize; if (hasSelectionMargin) { selectionSize = size * (renderer.PointSize + renderer.SelectionMargin) * scale; } else { selectionSize = size * renderer.PointSize * scale; } SplinePointHandle.Result result = SplinePointHandle.DragHandleGUI(position, Quaternion.LookRotation(Camera.current.transform.forward), size * renderer.PointSize * scale, selectionSize, dcf, renderer.SelectionColor); return(result); }
private void DrawSplinePoint(ref SplineEditorEventArgs args, ref SplineEditorEvent evnt, SplineRenderer splineRenderer, SplineBase spline, int j) { int mode = spline.GetPointMode(j); if (mode >= 0 && mode < splineRenderer.ControlPointColors.Length) { Handles.color = splineRenderer.ControlPointColors[mode]; } int controlPointsCount = spline.GetCtrlPointsCount(j); for (int k = 0; k < controlPointsCount; ++k) { int scale = 1; if (!splineRenderer.IsControlPointVisible(j, k)) { scale = 0; } Vector3 ctrlPosition = spline.GetCtrlPointPosition(j, k); SplinePointHandle.Result ctrlPointDragResult = DrawPointHandle(splineRenderer, ctrlPosition, scale, true); if (ctrlPointDragResult == SplinePointHandle.Result.Drag) { if (evnt == SplineEditorEvent.None) { args = new SplineEditorEventArgs(spline, j, k); evnt = SplineEditorEvent.SplineCtrlPointDrag; } } if (ctrlPointDragResult == SplinePointHandle.Result.EndDrag) { if (evnt == SplineEditorEvent.None) { args = new SplineEditorEventArgs(spline, j, k); evnt = SplineEditorEvent.SplineCtrlPointDrop; } } } float dragHandleScale = 1; if (m_draggingDragPointHandle && spline == DragSpline && DragPointIndex == j) { dragHandleScale = 0; } JunctionBase junction = spline.GetJunction(j); if (junction != null && junction != NewJunction) { bool drawSplinePoint = junction == null || spline == junction.GetSpline(0) && j == junction.GetSplinePointIndex(0); if (drawSplinePoint) { dragHandleScale = 1.5f; } else { dragHandleScale = 0; } } Handles.color = splineRenderer.SplinePointColor; Vector3 position = spline.GetPointPosition(j); SplinePointHandle.Result dragResult = DrawDragHandle(splineRenderer, position, dragHandleScale, DragSpline == null); if (dragResult == SplinePointHandle.Result.Drag) { if (evnt == SplineEditorEvent.None) { args = new SplineEditorEventArgs(spline, j); evnt = SplineEditorEvent.SplinePointDrag; } } else if (dragResult == SplinePointHandle.Result.EndDrag) { if (evnt == SplineEditorEvent.None) { args = new SplineEditorEventArgs(spline, j); evnt = SplineEditorEvent.SplinePointDrop; } } else if (dragResult == SplinePointHandle.Result.PointerOver) { m_pointerOverSpline = spline; m_pointerOverSplinePointIndex = j; m_pointerOver = true; } if (junction != null && junction != NewJunction) { Handles.color = splineRenderer.JunctionColor; JunctionHandle.Result junctionResult = DrawJunctionHandle(splineRenderer, junction.transform.position, 1); if (junctionResult == JunctionHandle.Result.Click) { evnt = SplineEditorEvent.JunctionClick; args = new SplineEditorEventArgs(junction); } else if (junctionResult == JunctionHandle.Result.Drag) { evnt = SplineEditorEvent.JunctionDrag; args = new SplineEditorEventArgs(junction); } } Handles.color = splineRenderer.SplinePointColor; SplinePointHandle.Result result = DrawPointHandle(splineRenderer, position, 1, false); if (result == SplinePointHandle.Result.EndDrag) { m_draggingDragPointHandle = false; if (evnt == SplineEditorEvent.None) { args = new SplineEditorEventArgs(spline, j); evnt = SplineEditorEvent.SplinePointCreatorDrop; } } else if (result == SplinePointHandle.Result.Drag) { m_draggingDragPointHandle = true; if (evnt == SplineEditorEvent.None) { args = new SplineEditorEventArgs(spline, j); evnt = SplineEditorEvent.SplinePointCreatorDrag; } } }