// Draw the path when path objected is not selected (if enabled in settings)
void OnDrawGizmos()
{
// Only draw path gizmo if the path object is not selected
// (editor script is resposible for drawing when selected)
GameObject selectedObj = UnityEditor.Selection.activeGameObject;
if (selectedObj == gameObject || VertexPath == null)
{
return;
}
VertexPath.UpdateTransform(transform);
if (!GlobalEditorDisplaySettings.visibleWhenNotSelected)
{
return;
}
Gizmos.color = GlobalEditorDisplaySettings.BezierPath;
for (int i = 0; i < VertexPath.NumPoints; i++)
{
int nextI = i + 1;
if (nextI >= VertexPath.NumPoints)
{
if (!VertexPath.isClosedLoop)
{
break;
}
nextI %= VertexPath.NumPoints;
}
Gizmos.DrawLine(VertexPath.GetPoint(i), VertexPath.GetPoint(nextI));
}
}
void DrawBezierPathSceneEditor()
{
bool displayControlPoints = Data.displayControlPoints && (BezierPath.ControlPointMode != BezierPath.ControlMode.Automatic || !GlobalDisplaySettings.hideAutoControls);
Bounds bounds = BezierPath.CalculateBoundsWithTransform(creator.transform);
if (Event.current.type == EventType.Repaint)
{
for (int i = 0; i < BezierPath.NumSegments; i++)
{
Vector3[] points = BezierPath.GetPointsInSegment(i);
for (int j = 0; j < points.Length; j++)
{
points[j] = MathUtility.TransformPoint(points[j], creator.transform, BezierPath.Space);
}
if (Data.showPerSegmentBounds)
{
Bounds segmentBounds = PathUtility.CalculateSegmentBounds(points[0], points[1], points[2], points[3]);
Handles.color = GlobalDisplaySettings.segmentBounds;
Handles.DrawWireCube(segmentBounds.center, segmentBounds.size);
}
// Draw lines between control points
if (displayControlPoints)
{
Handles.color = (BezierPath.ControlPointMode == BezierPath.ControlMode.Automatic) ? GlobalDisplaySettings.handleDisabled : GlobalDisplaySettings.controlLine;
Handles.DrawLine(points[1], points[0]);
Handles.DrawLine(points[2], points[3]);
}
// Draw VertexPath
bool highlightSegment = (i == selectedSegmentIndex && Event.current.shift && draggingHandleIndex == -1 && mouseOverHandleIndex == -1);
Color segmentCol = (highlightSegment) ? GlobalDisplaySettings.highlightedPath : GlobalDisplaySettings.BezierPath;
Handles.DrawBezier(points[0], points[3], points[1], points[2], segmentCol, null, 2);
}
if (Data.showPathBounds)
{
Handles.color = GlobalDisplaySettings.bounds;
Handles.DrawWireCube(bounds.center, bounds.size);
}
// Draw normals
if (Data.showNormals)
{
if (!hasUpdatedNormalsVertexPath)
{
normalsVertexPath = new VertexPath(BezierPath, creator.transform, normalsSpacing);
hasUpdatedNormalsVertexPath = true;
}
if (editingNormalsOld != Data.showNormals)
{
editingNormalsOld = Data.showNormals;
Repaint();
}
Vector3[] normalLines = new Vector3[normalsVertexPath.NumPoints * 2];
Handles.color = GlobalDisplaySettings.normals;
for (int i = 0; i < normalsVertexPath.NumPoints; i++)
{
normalLines[i * 2] = normalsVertexPath.GetPoint(i);
normalLines[i * 2 + 1] = normalsVertexPath.GetPoint(i) + normalsVertexPath.GetNormal(i) * GlobalDisplaySettings.normalsLength;
}
Handles.DrawLines(normalLines);
}
}
if (Data.displayAnchorPoints)
{
for (int i = 0; i < BezierPath.NumPoints; i += 3)
{
DrawHandle(i);
}
}
if (displayControlPoints)
{
for (int i = 1; i < BezierPath.NumPoints - 1; i += 3)
{
DrawHandle(i);
DrawHandle(i + 1);
}
}
}