/// <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(DragPointInspector.DragPoints[CurveTravellerControlPointIdx])
{
IsLocked = false
};
var newIdx = CurveTravellerControlPointIdx + 1;
float ratio = (float)newIdx / DragPointInspector.DragPoints.Length;
var dragPointPosition = Transform.worldToLocalMatrix.MultiplyPoint(CurveTravellerPosition);
dragPointPosition -= DragPointInspector.EditableOffset;
dragPointPosition -= DragPointInspector.GetDragPointOffset(ratio);
dragPoint.Center = dragPointPosition.ToVertex3D();
var dragPoints = DragPointInspector.DragPoints.ToList();
dragPoints.Insert(newIdx, dragPoint);
DragPointInspector.DragPoints = dragPoints.ToArray();
ControlPoints.Insert(newIdx,
new ControlPoint(
DragPointInspector.DragPoints[newIdx],
GUIUtility.GetControlID(FocusType.Passive),
newIdx,
ratio
));
RebuildControlPoints();
}
private void InitSceneGui()
{
SelectedControlPoints.Clear();
_flipAxis = Vector3.zero;
//Setup Screen positions & controlID for control points (in case of modification of drag points coordinates outside)
foreach (var controlPoint in ControlPoints)
{
controlPoint.WorldPos = controlPoint.DragPoint.Center.ToUnityVector3();
controlPoint.WorldPos += DragPointInspector.EditableOffset;
controlPoint.WorldPos += DragPointInspector.GetDragPointOffset(controlPoint.IndexRatio);
controlPoint.WorldPos = Transform.localToWorldMatrix.MultiplyPoint(controlPoint.WorldPos);
_flipAxis += controlPoint.WorldPos;
controlPoint.LocalPos = Handles.matrix.MultiplyPoint(controlPoint.WorldPos);
if (controlPoint.IsSelected)
{
if (!controlPoint.DragPoint.IsLocked)
{
SelectedControlPoints.Add(controlPoint);
}
}
HandleUtility.AddControl(controlPoint.ControlId,
HandleUtility.DistanceToCircle(controlPoint.LocalPos,
HandleUtility.GetHandleSize(controlPoint.WorldPos) * ControlPoint.ScreenRadius *
_sceneViewHandler.ControlPointsSizeRatio));
}
if (ControlPoints.Count > 0)
{
_flipAxis /= ControlPoints.Count;
}
//Setup PositionHandle if some control points are selected
if (SelectedControlPoints.Count > 0)
{
_positionHandlePosition = Vector3.zero;
foreach (var sCp in SelectedControlPoints)
{
_positionHandlePosition += sCp.WorldPos;
}
_positionHandlePosition /= SelectedControlPoints.Count;
}
if (CurveTravellerVisible)
{
HandleUtility.AddControl(CurveTravellerControlId,
HandleUtility.DistanceToCircle(Handles.matrix.MultiplyPoint(CurveTravellerPosition),
HandleUtility.GetHandleSize(CurveTravellerPosition) * ControlPoint.ScreenRadius *
_sceneViewHandler.CurveTravellerSizeRatio * 0.5f));
}
}
