public override void OnInspectorGUI()
{
DrawDefaultInspector();
Spline spline = target as Spline;
if (GUILayout.Button("Add Node"))
{
Undo.RecordObject(spline, "Add Node");
spline.AddNode(selectedNodeIndex);
EditorUtility.SetDirty(spline);
}
if (GUILayout.Button("Remove Node"))
{
Undo.RecordObject(spline, "Remove Node");
spline.RemoveNode(selectedNodeIndex);
EditorUtility.SetDirty(spline);
}
if (selectedNodeIndex >= 0 && selectedNodeIndex < spline.nodes.Count)
{
Spline.Node node = spline.nodes[selectedNodeIndex];
float newBend = EditorGUILayout.FloatField("Selected node bend:", node.bend);
if (newBend != node.bend)
{
Undo.RecordObject(spline, "Change Node Bend");
node.bend = newBend;
spline.nodes[selectedNodeIndex] = node;
spline.UpdatePathPoints();
EditorUtility.SetDirty(spline);
}
}
}
private void OnSceneGUI()
{
Spline spline = target as Spline;
if (spline.nodes.Count < 2)
{
return;
}
Transform splineTransform = spline.transform;
Quaternion splineRotation = (Tools.pivotRotation == PivotRotation.Local) ? splineTransform.rotation : Quaternion.identity;
// Draw lines between nodes
Handles.color = Color.white;
for (int i = 1; i < spline.pathPoints.Count; ++i)
{
Vector3 p0 = spline.pathPoints[i - 1].realPosition;
Vector3 p1 = spline.pathPoints[i].realPosition;
Handles.DrawLine(p0, p1);
}
// Draw lines between redirected nodes
Handles.color = Color.blue;
spline.UpdatePathPoints();
for (int i = 1; i < spline.pathPoints.Count; ++i)
{
Vector3 p0 = spline.pathPoints[i - 1].virtualPosition;
Vector3 p1 = spline.pathPoints[i].virtualPosition;
Handles.DrawLine(p0, p1);
}
// Draw node points
Handles.color = Color.white;
for (int i = 0; i < spline.nodes.Count; ++i)
{
Spline.Node node = spline.nodes[i];
Vector3 point = node.position;
if (Handles.Button(point, splineRotation, nodeSize, pickSize, Handles.DotCap))
{
selectedNodeIndex = i;
EditorUtility.SetDirty(spline);
}
if (selectedNodeIndex == i)
{
EditorGUI.BeginChangeCheck();
point = Handles.DoPositionHandle(point, splineRotation);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Move Point");
EditorUtility.SetDirty(spline);
node.position = point;
}
// Handle 1
EditorGUI.BeginChangeCheck();
Vector3 handle1Position = node.getHandle1Position();
handle1Position = Handles.DoPositionHandle(handle1Position, splineRotation);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Move Handle");
EditorUtility.SetDirty(spline);
node.handle1Length = (handle1Position - point).magnitude;
node.handleDegrees = Vector3.SignedAngle(Vector3.forward, handle1Position - point, Vector3.up);
}
// Handle 2
EditorGUI.BeginChangeCheck();
Vector3 handle2Position = node.getHandle2Position();
handle2Position = Handles.DoPositionHandle(handle2Position, splineRotation);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Move Handle");
EditorUtility.SetDirty(spline);
node.handle2Length = (handle2Position - point).magnitude;
node.handleDegrees = 180 + Vector3.SignedAngle(Vector3.forward, handle2Position - point, Vector3.up);
}
spline.nodes[i] = node;
}
}
}
