// preview
protected void Preview(Vector3 position, BGCurve curve, ref float toLast, ref float toFirst)
{
var settings = overlay.Editor.Settings;
//show point
BGEditorUtility.SwapHandlesColor(settings.SphereColor, () => Handles.SphereCap(0, position, Quaternion.identity, BGEditorUtility.GetHandleSize(position, ScalePreviewPoint)));
//create a point
var newPoint = BGNewPointPositionManager.CreatePoint(position, curve, settings.ControlType, settings.Sections, out toLast, out toFirst, false);
//show controls
if (newPoint.ControlType != BGCurvePoint.ControlTypeEnum.Absent)
{
PreviewControls(settings, position, newPoint.ControlFirstWorld, newPoint.ControlSecondWorld);
}
if (curve.PointsCount == 0)
{
return;
}
BGEditorUtility.SwapHandlesColor(BGCurveSettingsForEditor.ColorForNewSectionPreview, () =>
{
// last To new
DrawSection(curve[curve.PointsCount - 1], newPoint, settings.Sections);
AdditionalPreview(newPoint);
// new To zero
if (curve.Closed)
{
DrawSection(newPoint, curve[0], settings.Sections);
}
});
}
protected override void AdditionalMenuItems()
{
Add(new MenuSeparator());
//add before
Add(new MenuItemButton(BGEditorUtility.LoadTexture2D(BGEditorUtility.Image.BGPointInsertBefore123), "Insert a point before this point",
() =>
{
var curve = point.Curve;
var settings = BGPrivateField.GetSettings(curve);
var index = curve.IndexOf(point);
curve.AddPoint(BGNewPointPositionManager.InsertBefore(curve, index, settings.ControlType, settings.Sections), index);
}));
//add after
Add(new MenuItemButton(BGEditorUtility.LoadTexture2D(BGEditorUtility.Image.BGPointInsertAfter123), "Insert a point after this point",
() =>
{
var curve = point.Curve;
var settings = BGPrivateField.GetSettings(curve);
var index = curve.IndexOf(point);
curve.AddPoint(BGNewPointPositionManager.InsertAfter(curve, index, settings.ControlType, settings.Sections), index + 1);
}));
//add remove to selection
addToSelectionItem = new MenuItemButton(BGEditorUtility.LoadTexture2D(BGEditorUtility.Image.BGSelectionAdd123), "Add this point to selection",
() => EditorSelection.Add(point));
removeFromSelectionItem = new MenuItemButton(BGEditorUtility.LoadTexture2D(BGEditorUtility.Image.BGSelectionRemove123), "Remove this point from selection",
() => EditorSelection.Remove(point));
Add(addToSelectionItem);
Add(removeFromSelectionItem);
}
private void PointButtons(BGCurvePointI point, int index, BGCurveSettings settings)
{
if (!settings.ShowPointMenu)
{
return;
}
var curve = point.Curve;
//================== Copy
if (BGEditorUtility.ButtonWithIcon(BGBinaryResources.BGCopy123, PointCopyPaste.Instance.CopyTooltip))
{
PointCopyPaste.Instance.Copy(point);
}
GUILayout.Space(2);
//================== Paste
if (BGEditorUtility.ButtonWithIcon(BGBinaryResources.BGPaste123, PointCopyPaste.Instance.PasteTooltip))
{
PointCopyPaste.Instance.Paste(point);
}
GUILayout.Space(2);
//================== Add before
if (BGEditorUtility.ButtonWithIcon(BGBinaryResources.BGAdd123, "Insert a point before this point"))
{
BGCurveEditor.AddPoint(curve, BGNewPointPositionManager.InsertBefore(curve, index, settings.ControlType, settings.Sections), index);
}
GUILayout.Space(2);
//=========================== Move Up
if (index > 0 && BGEditorUtility.ButtonWithIcon(BGBinaryResources.BGMoveUp123, "Move the point up"))
{
curve.Swap(index - 1, index);
}
GUILayout.Space(2);
//=========================== Move Down
if (index < curve.PointsCount - 1 && BGEditorUtility.ButtonWithIcon(BGBinaryResources.BGMoveDown123, "Move the point down"))
{
curve.Swap(index, index + 1);
}
GUILayout.Space(2);
//=========================== Delete
if (BGEditorUtility.ButtonWithIcon(BGBinaryResources.BGDelete123, "Delete the point"))
{
BGCurveEditor.DeletePoint(curve, index);
if (editorSelection != null)
{
editorSelection.Remove(point);
}
GUIUtility.ExitGUI();
}
}
private BGCurvePoint CreatePoint(BGCurve curve, BGCurveSettings settings)
{
var math = overlay.Editor.Editor.Math;
var from = curve[pointIndex];
var to = pointIndex == curve.PointsCount - 1 ? curve[0] : curve[pointIndex + 1];
var ratio = (splineIntersectionDistance - math[pointIndex].DistanceFromStartToOrigin) / math[pointIndex].Distance;
var tangent = BGEditorUtility.CalculateTangent(@from, to, ratio);
var point = BGNewPointPositionManager.CreatePointBetween(curve, @from, to, settings.Sections, settings.ControlType, intersectPosition, tangent);
return(point);
}
private void PointButtons(BGCurvePoint point, int index, BGCurveSettings settings)
{
if (!settings.ShowPointMenu)
{
return;
}
var curve = point.Curve;
//================== Add before
if (BGEditorUtility.ButtonWithIcon(addBeforeTexture, "Insert a point before this point"))
{
curve.AddPoint(BGNewPointPositionManager.InsertBefore(curve, index, settings.ControlType, settings.Sections), index);
}
GUILayout.Space(2);
//=========================== Move Up
if (index > 0 && BGEditorUtility.ButtonWithIcon(moveUpTexture, "Move the point up"))
{
curve.Swap(index - 1, index);
}
GUILayout.Space(2);
//=========================== Move Down
if (index < curve.PointsCount - 1 && BGEditorUtility.ButtonWithIcon(moveDownTexture, "Move the point down"))
{
curve.Swap(index, index + 1);
}
GUILayout.Space(2);
//=========================== Delete
if (BGEditorUtility.ButtonWithIcon(deleteTexture, "Delete the point"))
{
curve.Delete(index);
editorSelection.Remove(point);
GUIUtility.ExitGUI();
}
}
//see base class for description
internal override bool Seize(Event currentEvent, ref Vector3 position, ref string message)
{
if (!Comply(currentEvent))
{
return(false);
}
Vector3 intersectionPosition;
Plane plane;
if (currentEvent.type == EventType.mouseDown && currentEvent.control && currentEvent.button == 0)
{
//Mouse down for some action
var curve = overlay.Editor.Curve;
var settings = overlay.Editor.Settings;
Cast(currentEvent, HandleUtility.GUIPointToWorldRay(currentEvent.mousePosition), out intersectionPosition, out message, out plane);
if (message != null)
{
BGCurveEditor.OverlayMessage.Display(message);
}
else
{
position = intersectionPosition;
BGCurveEditor.AddPoint(curve,
BGNewPointPositionManager.CreatePoint(intersectionPosition, curve, settings.ControlType, settings.Sections, true),
curve.PointsCount);
}
overlay.EventCanceller = new BGEditorUtility.EventCanceller();
return(true);
}
if (!(currentEvent.type == EventType.Repaint && currentEvent.control || currentEvent.type == EventType.MouseMove && currentEvent.control))
{
return(false);
}
var ray = HandleUtility.GUIPointToWorldRay(currentEvent.mousePosition);
Cast(currentEvent, ray, out intersectionPosition, out message, out plane);
position = intersectionPosition;
if (message != null)
{
return(true);
}
Animation(plane, ray, swayTransition);
//preview
float toLast = -1, toFirst = -1;
Preview(intersectionPosition, overlay.Editor.Curve, ref toLast, ref toFirst);
//distance
message = BGSceneViewOverlay.ToOk("MouseClick to add a point\r\n") +
//to last
(toLast < 0 ? "First point is ready to go!" : "Distance to last=" + toLast) +
//to first
(toFirst < 0 ? "" : ", to first=" + toFirst);
return(true);
}
//default implementation adds a point to the spline's end
protected virtual void AddPoint(BGCurve curve, Vector3 intersectionPosition, BGCurveSettings settings)
{
BGCurveEditor.AddPoint(curve,
BGNewPointPositionManager.CreatePoint(intersectionPosition, curve, settings.ControlType, settings.Sections, true),
curve.PointsCount);
}
protected virtual BGCurvePoint CreatePointForPreview(Vector3 position, BGCurve curve, out float toLast, out float toFirst, BGCurveSettings settings)
{
return(BGNewPointPositionManager.CreatePoint(position, curve, settings.ControlType, settings.Sections, out toLast, out toFirst, false));
}