/**
* Draws selected pin constraints in the scene view.
*/
public void OnSceneGUI()
{
if (!editMode || spline.controlPoints.Count < spline.MinPoints)
{
return;
}
ResizeCPArrays();
HandleUtility.AddDefaultControl(GUIUtility.GetControlID(FocusType.Passive));
// Sceneview GUI:
Handles.BeginGUI();
GUI.skin = EditorGUIUtility.GetBuiltinSkin(EditorSkin.Scene);
GUILayout.Window(1, new Rect(10, 28, 0, 0), DrawUIWindow, "Curve editor");
Handles.EndGUI();
// During edit mode, allow to add/remove control points.
if (addControlPointsMode)
{
AddControlPointsMode();
}
Matrix4x4 prevMatrix = Handles.matrix;
Handles.matrix = spline.transform.localToWorldMatrix;
DrawControlPoints(spline.controlPoints);
// Control point selection handle:
if (ObiSplineHandles.SplineCPSelector(spline.controlPoints, selectedStatus))
{
Repaint();
}
// Draw cp tool handles:
SplineCPTools(spline.controlPoints);
Handles.matrix = prevMatrix;
}
/**
* Draws selected pin constraints in the scene view.
*/
public void OnSceneGUI()
{
ResizeCPArrays();
if (spline.controlPoints.Count < 4)
{
return;
}
// World space control points:
Vector3[] controlPoints = new Vector3[spline.controlPoints.Count];
for (int i = 0; i < controlPoints.Length; ++i)
{
controlPoints[i] = spline.transform.TransformPoint(spline.controlPoints[i]);
}
if (Event.current.type == EventType.Repaint)
{
Matrix4x4 prevMatrix = Handles.matrix;
Handles.color = Color.white;
Handles.matrix = spline.transform.localToWorldMatrix;
// Draw tangents:
Handles.color = Color.blue;
for (int i = 0; i < controlPoints.Length; i += 3)
{
int prev = Mathf.Max(0, i - 1);
int next = Mathf.Min(i + 1, controlPoints.Length - 1);
Handles.DrawDottedLine(spline.controlPoints[prev], spline.controlPoints[i], 2);
Handles.DrawDottedLine(spline.controlPoints[i], spline.controlPoints[next], 2);
}
Handles.matrix = prevMatrix;
// Draw control points:
for (int i = 0; i < controlPoints.Length; ++i)
{
Handles.color = i % 3 == 0 ? Color.white : Color.blue;
if (spline.Closed && (i == 0 || i == controlPoints.Length - 1))
{
if (selectedStatus[0] || selectedStatus[controlPoints.Length - 1])
{
Handles.color = Color.red;
}
}
else if (selectedStatus[i])
{
Handles.color = Color.red;
}
float size = HandleUtility.GetHandleSize(controlPoints[i]) * 0.1f;
if (i % 3 == 0)
{
Handles.SphereHandleCap(0, controlPoints[i], Quaternion.identity, size, EventType.Repaint);
}
else
{
Handles.DotHandleCap(0, controlPoints[i], Quaternion.identity, size * 0.25f, EventType.Repaint);
}
}
}
// Control point selection handle:
if (ObiSplineHandles.SplineCPSelector(controlPoints, selectedStatus))
{
Repaint();
}
// Draw cp tool handles:
SplineCPTools(controlPoints);
}
