/// <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>
/// 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();
}
}
}