void OnSceneGUI()
{
if (spline != null && !spline.Equals(null))
{
Event e = Event.current;
if (e.type == EventType.ValidateCommand)
{
if (e.commandName == "Delete")
{
RemovePointAt(spline.IndexOf(point));
e.type = EventType.Ignore;
return;
}
else if (e.commandName == "Duplicate")
{
DuplicatePointAt(spline.IndexOf(point));
e.type = EventType.Ignore;
}
}
if (e.isKey && e.type == EventType.KeyDown && e.keyCode == KeyCode.Delete)
{
RemovePointAt(spline.IndexOf(point));
e.Use();
return;
}
BezierUtils.DrawSplineDetailed(spline);
for (int i = 0; i < spline.Count; i++)
{
BezierUtils.DrawBezierPoint(spline[i], i + 1, spline[i] == point);
}
}
else
{
BezierUtils.DrawBezierPoint(point, 0, true);
}
// Draw translate handles for control points
if (Event.current.alt)
{
return;
}
if (Tools.current != Tool.Move)
{
controlPointRotationsInitialized = false;
return;
}
if (!controlPointRotationsInitialized)
{
precedingPointRotation = Quaternion.LookRotation(point.precedingControlPointPosition - point.position);
followingPointRotation = Quaternion.LookRotation(point.followingControlPointPosition - point.position);
controlPointRotationsInitialized = true;
}
EditorGUI.BeginChangeCheck();
Vector3 position = Handles.PositionHandle(point.precedingControlPointPosition, Tools.pivotRotation == PivotRotation.Local ? precedingPointRotation : Quaternion.identity);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(point, "Move Control Point");
point.precedingControlPointPosition = position;
}
EditorGUI.BeginChangeCheck();
position = Handles.PositionHandle(point.followingControlPointPosition, Tools.pivotRotation == PivotRotation.Local ? followingPointRotation : Quaternion.identity);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(point, "Move Control Point");
point.followingControlPointPosition = position;
}
}