private JunctionHandle.Result DrawJunctionHandle(SplineRenderer renderer, Vector3 position, float scale)
{
Handles.DrawCapFunction dcf = Handles.CircleCap;
float size = HandleUtility.GetHandleSize(position) * 2.0f * scale * m_pointSizeConst;
Vector2 guiPosition = HandleUtility.WorldToGUIPoint(position);
if (Vector2.Distance(guiPosition, Event.current.mousePosition) > 15 * renderer.PointSize * scale || IsControlPointDrag || Event.current.alt)
{
size *= 0;
}
JunctionHandle.Result result = JunctionHandle.GUI(position, Quaternion.LookRotation(Camera.current.transform.forward),
size * renderer.PointSize, size * renderer.PointSize, dcf, renderer.SelectionColor);
return(result);
}
private void DrawSplinePoint(ref SplineEditorEventArgs args, ref SplineEditorEvent evnt, SplineRenderer splineRenderer, SplineBase spline, int j)
{
int mode = spline.GetPointMode(j);
if (mode >= 0 && mode < splineRenderer.ControlPointColors.Length)
{
Handles.color = splineRenderer.ControlPointColors[mode];
}
int controlPointsCount = spline.GetCtrlPointsCount(j);
for (int k = 0; k < controlPointsCount; ++k)
{
int scale = 1;
if (!splineRenderer.IsControlPointVisible(j, k))
{
scale = 0;
}
Vector3 ctrlPosition = spline.GetCtrlPointPosition(j, k);
SplinePointHandle.Result ctrlPointDragResult = DrawPointHandle(splineRenderer, ctrlPosition, scale, true);
if (ctrlPointDragResult == SplinePointHandle.Result.Drag)
{
if (evnt == SplineEditorEvent.None)
{
args = new SplineEditorEventArgs(spline, j, k);
evnt = SplineEditorEvent.SplineCtrlPointDrag;
}
}
if (ctrlPointDragResult == SplinePointHandle.Result.EndDrag)
{
if (evnt == SplineEditorEvent.None)
{
args = new SplineEditorEventArgs(spline, j, k);
evnt = SplineEditorEvent.SplineCtrlPointDrop;
}
}
}
float dragHandleScale = 1;
if (m_draggingDragPointHandle && spline == DragSpline && DragPointIndex == j)
{
dragHandleScale = 0;
}
JunctionBase junction = spline.GetJunction(j);
if (junction != null && junction != NewJunction)
{
bool drawSplinePoint = junction == null || spline == junction.GetSpline(0) && j == junction.GetSplinePointIndex(0);
if (drawSplinePoint)
{
dragHandleScale = 1.5f;
}
else
{
dragHandleScale = 0;
}
}
Handles.color = splineRenderer.SplinePointColor;
Vector3 position = spline.GetPointPosition(j);
SplinePointHandle.Result dragResult = DrawDragHandle(splineRenderer, position, dragHandleScale, DragSpline == null);
if (dragResult == SplinePointHandle.Result.Drag)
{
if (evnt == SplineEditorEvent.None)
{
args = new SplineEditorEventArgs(spline, j);
evnt = SplineEditorEvent.SplinePointDrag;
}
}
else if (dragResult == SplinePointHandle.Result.EndDrag)
{
if (evnt == SplineEditorEvent.None)
{
args = new SplineEditorEventArgs(spline, j);
evnt = SplineEditorEvent.SplinePointDrop;
}
}
else if (dragResult == SplinePointHandle.Result.PointerOver)
{
m_pointerOverSpline = spline;
m_pointerOverSplinePointIndex = j;
m_pointerOver = true;
}
if (junction != null && junction != NewJunction)
{
Handles.color = splineRenderer.JunctionColor;
JunctionHandle.Result junctionResult = DrawJunctionHandle(splineRenderer, junction.transform.position, 1);
if (junctionResult == JunctionHandle.Result.Click)
{
evnt = SplineEditorEvent.JunctionClick;
args = new SplineEditorEventArgs(junction);
}
else if (junctionResult == JunctionHandle.Result.Drag)
{
evnt = SplineEditorEvent.JunctionDrag;
args = new SplineEditorEventArgs(junction);
}
}
Handles.color = splineRenderer.SplinePointColor;
SplinePointHandle.Result result = DrawPointHandle(splineRenderer, position, 1, false);
if (result == SplinePointHandle.Result.EndDrag)
{
m_draggingDragPointHandle = false;
if (evnt == SplineEditorEvent.None)
{
args = new SplineEditorEventArgs(spline, j);
evnt = SplineEditorEvent.SplinePointCreatorDrop;
}
}
else if (result == SplinePointHandle.Result.Drag)
{
m_draggingDragPointHandle = true;
if (evnt == SplineEditorEvent.None)
{
args = new SplineEditorEventArgs(spline, j);
evnt = SplineEditorEvent.SplinePointCreatorDrag;
}
}
}
