/// <summary>
/// Adds a new control point to the scene view and its drag point data
/// to the game object.
/// </summary>
public void AddDragPointOnTraveller()
{
if (CurveTravellerControlPointIdx < 0 || CurveTravellerControlPointIdx >= ControlPoints.Count)
{
return;
}
var dragPoint = new DragPointData(DragPointEditable.GetDragPoints()[CurveTravellerControlPointIdx])
{
IsLocked = false
};
var newIdx = CurveTravellerControlPointIdx + 1;
float ratio = (float)newIdx / (DragPointEditable.GetDragPoints().Length - 1);
var dragPointPosition = Transform.worldToLocalMatrix.MultiplyPoint(CurveTravellerPosition);
dragPointPosition -= DragPointEditable.GetEditableOffset();
dragPointPosition -= DragPointEditable.GetDragPointOffset(ratio);
dragPoint.Vertex = dragPointPosition.ToVertex3D();
var dragPoints = DragPointEditable.GetDragPoints().ToList();
dragPoints.Insert(newIdx, dragPoint);
DragPointEditable.SetDragPoints(dragPoints.ToArray());
ControlPoints.Insert(newIdx,
new ControlPoint(
DragPointEditable.GetDragPoints()[newIdx],
GUIUtility.GetControlID(FocusType.Passive),
newIdx,
ratio
));
RebuildControlPoints();
}
/// <summary>
/// References drag point data to control points.
/// </summary>
/// <returns>True if control points were re-built, false otherwise.</returns>
public bool RemapControlPoints()
{
// if count differs, rebuild
if (ControlPoints.Count != DragPointEditable.GetDragPoints().Length)
{
RebuildControlPoints();
return(true);
}
for (var i = 0; i < DragPointEditable.GetDragPoints().Length; ++i)
{
ControlPoints[i].DragPoint = DragPointEditable.GetDragPoints()[i];
}
return(false);
}
/// <summary>
/// Re-creates the control points of the scene view and references their
/// drag point data.
/// </summary>
private void RebuildControlPoints()
{
ControlPoints.Clear();
for (var i = 0; i < DragPointEditable.GetDragPoints().Length; ++i)
{
var cp = new ControlPoint(
DragPointEditable.GetDragPoints()[i],
GUIUtility.GetControlID(FocusType.Passive),
i,
DragPointEditable.GetDragPoints().Length >= 2 ? (float)i / (DragPointEditable.GetDragPoints().Length - 1) : 0.0f
);
ControlPoints.Add(cp);
}
CurveTravellerControlId = GUIUtility.GetControlID(FocusType.Passive);
}
/// <summary>
/// Removes a control point and its data.
/// </summary>
/// <param name="controlId"></param>
public void RemoveDragPoint(int controlId)
{
var idx = ControlPoints.FindIndex(controlPoint => controlPoint.ControlId == controlId);
if (idx >= 0)
{
var removalOk = !ControlPoints[idx].DragPoint.IsLocked;
if (!removalOk)
{
removalOk = EditorUtility.DisplayDialog("Locked DragPoint Removal", "This drag point is locked!\nAre you really sure you want to remove it?", "Yes", "No");
}
if (removalOk)
{
var dragPoints = DragPointEditable.GetDragPoints().ToList();
dragPoints.RemoveAt(idx);
DragPointEditable.SetDragPoints(dragPoints.ToArray());
ControlPoints.RemoveAt(idx);
RebuildControlPoints();
}
}
}