private void OnSceneGUI()
{
BezierSpline spline = (BezierSpline)target;
BezierUtils.DrawSplineDetailed(spline);
for (int i = 0; i < spline.Count; i++)
{
BezierUtils.DrawBezierPoint(spline[i], i + 1, false);
}
if (BezierSettings.ShowEvenlySpacedPoints)
{
BezierUtils.DrawSplineEvenlySpacedPoints(spline);
}
if (BezierUtils.QuickEditSplineMode)
{
// Execute quick edit mode's scene GUI only once (otherwise things can get ugly when multiple splines are selected)
if (spline == allSplines[0])
{
BezierUtils.QuickEditModeSceneGUI(allSplines);
HandleUtility.AddDefaultControl(0);
}
return;
}
}
private void OnSceneGUI()
{
BezierSpline spline = (BezierSpline)target;
BezierUtils.DrawSplineDetailed(spline);
for (int i = 0; i < spline.Count; i++)
{
BezierUtils.DrawBezierPoint(spline[i], i + 1, false);
}
}
public override void OnInspectorGUI()
{
base.OnInspectorGUI();
BezierUtils.DrawSeparator();
EditorGUI.BeginChangeCheck();
simulateInEditor = GUILayout.Toggle(simulateInEditor, "Simulate In Editor", GUI.skin.button);
if (EditorGUI.EndChangeCheck())
{
if (simulateInEditor)
{
StartSimulateInEditor();
}
else
{
StopSimulateInEditor();
}
}
}
public override void OnInspectorGUI()
{
if (CheckCommands())
{
GUIUtility.ExitGUI();
}
BezierUtils.DrawSplineInspectorGUI(allSplines);
EditorGUILayout.Space();
BezierUtils.DrawSeparator();
GUILayout.BeginHorizontal();
if (GUILayout.Button("<-", GUILayout.Width(45)))
{
Object[] newSelection = new Object[pointCount];
for (int i = 0, index = 0; i < selection.Length; i++)
{
BezierSpline spline = selection[i].spline;
BezierPoint[] points = selection[i].points;
if (spline)
{
for (int j = 0; j < points.Length; j++)
{
int prevIndex = points[j].Internal_Index - 1;
if (prevIndex < 0)
{
prevIndex = spline.Count - 1;
}
newSelection[index++] = spline[prevIndex].gameObject;
}
}
else
{
for (int j = 0; j < points.Length; j++)
{
newSelection[index++] = points[j].gameObject;
}
}
}
Selection.objects = newSelection;
GUIUtility.ExitGUI();
}
string pointIndex = (pointCount == 1 && selection[0].spline) ? (allPoints[0].Internal_Index + 1).ToString() : "-";
string splineLength = (selection.Length == 1 && selection[0].spline) ? selection[0].spline.Count.ToString() : "-";
GUILayout.Box("Selected Point: " + pointIndex + " / " + splineLength, GUILayout.ExpandWidth(true));
if (GUILayout.Button("->", GUILayout.Width(45)))
{
Object[] newSelection = new Object[pointCount];
for (int i = 0, index = 0; i < selection.Length; i++)
{
BezierSpline spline = selection[i].spline;
BezierPoint[] points = selection[i].points;
if (spline)
{
for (int j = 0; j < points.Length; j++)
{
int nextIndex = points[j].Internal_Index + 1;
if (nextIndex >= spline.Count)
{
nextIndex = 0;
}
newSelection[index++] = spline[nextIndex].gameObject;
}
}
else
{
for (int j = 0; j < points.Length; j++)
{
newSelection[index++] = points[j].gameObject;
}
}
}
Selection.objects = newSelection;
GUIUtility.ExitGUI();
}
GUILayout.EndHorizontal();
EditorGUILayout.Space();
if (GUILayout.Button("Decrement Point's Index"))
{
Undo.IncrementCurrentGroup();
for (int i = 0; i < selection.Length; i++)
{
BezierSpline spline = selection[i].spline;
if (spline)
{
selection[i].SortPoints(true);
BezierPoint[] points = selection[i].points;
int[] newIndices = new int[points.Length];
for (int j = 0; j < points.Length; j++)
{
int index = points[j].Internal_Index;
int newIndex = index - 1;
if (newIndex < 0)
{
newIndex = spline.Count - 1;
}
newIndices[j] = newIndex;
}
for (int j = 0; j < points.Length; j++)
{
Undo.RegisterCompleteObjectUndo(points[j].transform.parent, "Change point index");
spline.Internal_MovePoint(points[j].Internal_Index, newIndices[j], "Change point index");
}
selection[i].SortPoints(true);
}
}
SceneView.RepaintAll();
}
if (GUILayout.Button("Increment Point's Index"))
{
Undo.IncrementCurrentGroup();
for (int i = 0; i < selection.Length; i++)
{
BezierSpline spline = selection[i].spline;
if (spline)
{
selection[i].SortPoints(false);
BezierPoint[] points = selection[i].points;
int[] newIndices = new int[points.Length];
for (int j = 0; j < points.Length; j++)
{
int index = points[j].Internal_Index;
int newIndex = index + 1;
if (newIndex >= spline.Count)
{
newIndex = 0;
}
newIndices[j] = newIndex;
}
for (int j = 0; j < points.Length; j++)
{
Undo.RegisterCompleteObjectUndo(points[j].transform.parent, "Change point index");
spline.Internal_MovePoint(points[j].Internal_Index, newIndices[j], "Change point index");
}
selection[i].SortPoints(true);
}
}
SceneView.RepaintAll();
}
EditorGUILayout.Space();
if (GUILayout.Button("Insert Point Before"))
{
InsertNewPoints(false);
}
if (GUILayout.Button("Insert Point After"))
{
InsertNewPoints(true);
}
EditorGUILayout.Space();
if (GUILayout.Button("Duplicate Point"))
{
DuplicateSelectedPoints();
}
EditorGUILayout.Space();
bool hasMultipleDifferentValues = false;
BezierPoint.HandleMode handleMode = allPoints[0].handleMode;
for (int i = 1; i < allPoints.Length; i++)
{
if (allPoints[i].handleMode != handleMode)
{
hasMultipleDifferentValues = true;
break;
}
}
EditorGUI.showMixedValue = hasMultipleDifferentValues;
EditorGUI.BeginChangeCheck();
handleMode = (BezierPoint.HandleMode)EditorGUILayout.EnumPopup("Handle Mode", handleMode);
if (EditorGUI.EndChangeCheck())
{
for (int i = 0; i < allPoints.Length; i++)
{
Undo.RecordObject(allPoints[i], "Change Point Handle Mode");
allPoints[i].handleMode = handleMode;
}
SceneView.RepaintAll();
}
EditorGUILayout.Space();
hasMultipleDifferentValues = false;
Vector3 position = allPoints[0].precedingControlPointLocalPosition;
for (int i = 1; i < allPoints.Length; i++)
{
if (allPoints[i].precedingControlPointLocalPosition != position)
{
hasMultipleDifferentValues = true;
break;
}
}
EditorGUI.showMixedValue = hasMultipleDifferentValues;
EditorGUI.BeginChangeCheck();
position = EditorGUILayout.Vector3Field("Preceding Control Point Local Position", position);
if (EditorGUI.EndChangeCheck())
{
for (int i = 0; i < allPoints.Length; i++)
{
Undo.RecordObject(allPoints[i], "Change Point Position");
allPoints[i].precedingControlPointLocalPosition = position;
}
SceneView.RepaintAll();
}
hasMultipleDifferentValues = false;
position = allPoints[0].followingControlPointLocalPosition;
for (int i = 1; i < allPoints.Length; i++)
{
if (allPoints[i].followingControlPointLocalPosition != position)
{
hasMultipleDifferentValues = true;
break;
}
}
EditorGUI.showMixedValue = hasMultipleDifferentValues;
EditorGUI.BeginChangeCheck();
position = EditorGUILayout.Vector3Field("Following Control Point Local Position", position);
if (EditorGUI.EndChangeCheck())
{
for (int i = 0; i < allPoints.Length; i++)
{
Undo.RecordObject(allPoints[i], "Change Point Position");
allPoints[i].followingControlPointLocalPosition = position;
}
SceneView.RepaintAll();
}
bool showControlPointDistanceWarning = false;
for (int i = 0; i < allPoints.Length; i++)
{
BezierPoint point = allPoints[i];
if ((point.position - point.precedingControlPointPosition).sqrMagnitude < CONTROL_POINTS_MINIMUM_SAFE_DISTANCE_SQR ||
(point.position - point.followingControlPointPosition).sqrMagnitude < CONTROL_POINTS_MINIMUM_SAFE_DISTANCE_SQR)
{
showControlPointDistanceWarning = true;
break;
}
}
if (showControlPointDistanceWarning)
{
EditorGUILayout.HelpBox("Positions of control point(s) shouldn't be very close to (0,0,0), this might result in unpredictable behaviour while moving along the spline with constant speed.", MessageType.Warning);
}
EditorGUILayout.Space();
if (GUILayout.Button("Swap Control Points"))
{
for (int i = 0; i < allPoints.Length; i++)
{
Undo.RecordObject(allPoints[i], "Swap Control Points");
Vector3 temp = allPoints[i].precedingControlPointLocalPosition;
allPoints[i].precedingControlPointLocalPosition = allPoints[i].followingControlPointLocalPosition;
allPoints[i].followingControlPointLocalPosition = temp;
}
SceneView.RepaintAll();
}
EditorGUILayout.Space();
BezierUtils.DrawSeparator();
hasMultipleDifferentValues = false;
BezierPoint.ExtraData extraData = allPoints[0].extraData;
for (int i = 1; i < allPoints.Length; i++)
{
if (allPoints[i].extraData != extraData)
{
hasMultipleDifferentValues = true;
break;
}
}
GUILayout.BeginHorizontal();
EditorGUI.showMixedValue = hasMultipleDifferentValues;
EditorGUI.BeginChangeCheck();
Rect extraDataRect = EditorGUILayout.GetControlRect(false, EditorGUIUtility.singleLineHeight); // When using GUILayout, button isn't vertically centered
extraDataRect.width -= 65f;
extraData = EditorGUI.Vector4Field(extraDataRect, "Extra Data", extraData);
extraDataRect.x += extraDataRect.width + 5f;
extraDataRect.width = 30f;
if (GUI.Button(extraDataRect, EXTRA_DATA_SET_AS_CAMERA))
{
extraData = SceneView.lastActiveSceneView.camera.transform.rotation;
}
if (EditorGUI.EndChangeCheck())
{
for (int i = 0; i < allPoints.Length; i++)
{
Undo.RecordObject(allPoints[i], "Change Extra Data");
allPoints[i].extraData = extraData;
}
SceneView.RepaintAll();
}
EditorGUI.showMixedValue = false;
extraDataRect.x += 30f;
EditorGUI.BeginChangeCheck();
m_visualizeExtraDataAsFrustum = GUI.Toggle(extraDataRect, m_visualizeExtraDataAsFrustum, EXTRA_DATA_VIEW_AS_FRUSTUM, GUI.skin.button);
if (EditorGUI.EndChangeCheck())
{
VisualizeExtraDataAsFrustum = m_visualizeExtraDataAsFrustum;
SceneView.RepaintAll();
}
GUILayout.EndHorizontal();
BezierUtils.DrawSeparator();
EditorGUILayout.Space();
Color c = GUI.color;
GUI.color = RESET_POINT_BUTTON_COLOR;
if (GUILayout.Button("Reset Point"))
{
for (int i = 0; i < allPoints.Length; i++)
{
Undo.RecordObject(allPoints[i].transform, "Reset Point");
Undo.RecordObject(allPoints[i], "Reset Point");
allPoints[i].Reset();
}
SceneView.RepaintAll();
}
EditorGUILayout.Space();
GUI.color = REMOVE_POINT_BUTTON_COLOR;
if (GUILayout.Button("Remove Point"))
{
RemoveSelectedPoints();
GUIUtility.ExitGUI();
}
GUI.color = c;
for (int i = 0; i < allSplines.Length; i++)
{
allSplines[i].Internal_CheckDirty();
}
}
private void OnSceneGUI()
{
BezierPoint point = (BezierPoint)target;
if (!point)
{
return;
}
if (CheckCommands())
{
return;
}
// OnSceneGUI is called separately for each selected point,
// make sure that the spline is drawn only once, not multiple times
if (point == allPoints[0])
{
for (int i = 0; i < selection.Length; i++)
{
BezierSpline spline = selection[i].spline;
if (spline)
{
BezierPoint[] points = selection[i].points;
BezierUtils.DrawSplineDetailed(spline);
for (int j = 0, k = 0; j < spline.Count; j++)
{
bool isSelected = spline[j] == points[k];
if (isSelected && k < points.Length - 1)
{
k++;
}
if (!isSelected)
{
BezierUtils.DrawBezierPoint(spline[j], j + 1, false);
}
}
}
}
if (allPoints.Length > 1)
{
Handles.BeginGUI();
GUIStyle style = "PreOverlayLabel"; // Taken from: https://github.com/Unity-Technologies/UnityCsReference/blob/f78f4093c8a2b45949a847cdc704cf209dcf2f36/Editor/Mono/EditorGUI.cs#L629
EditorGUI.DropShadowLabel(new Rect(new Vector2(0f, 0f), style.CalcSize(MULTI_EDIT_TIP)), MULTI_EDIT_TIP, style);
Handles.EndGUI();
}
}
// When Control key is pressed, BezierPoint gizmos should be drawn on top of Transform handles in order to allow selecting/deselecting points
// If Alt key is pressed, Transform handles aren't drawn at all, so BezierPoint gizmos can be drawn immediately
Event e = Event.current;
if (e.alt || !e.control)
{
BezierUtils.DrawBezierPoint(point, point.Internal_Index + 1, true);
}
// Camera rotates with Alt key, don't interfere
if (e.alt)
{
return;
}
int pointIndex = -1;
for (int i = 0; i < allPoints.Length; i++)
{
if (allPoints[i] == point)
{
pointIndex = i;
break;
}
}
Tool tool = Tools.current;
if (previousTool != tool)
{
controlPointRotationsInitialized = false;
previousTool = tool;
}
// Draw Transform handles for control points
switch (Tools.current)
{
case Tool.Move:
if (!controlPointRotationsInitialized)
{
for (int i = 0; i < allPoints.Length; i++)
{
BezierPoint p = allPoints[i];
precedingPointRotations[i] = Quaternion.LookRotation(p.precedingControlPointPosition - p.position);
followingPointRotations[i] = Quaternion.LookRotation(p.followingControlPointPosition - p.position);
}
controlPointRotationsInitialized = true;
}
// No need to show gizmos for control points in Autoconstruct mode
Vector3 position;
if (!point.Internal_Spline || point.Internal_Spline.Internal_AutoConstructMode == SplineAutoConstructMode.None)
{
EditorGUI.BeginChangeCheck();
position = Handles.PositionHandle(point.precedingControlPointPosition, Tools.pivotRotation == PivotRotation.Local ? precedingPointRotations[pointIndex] : Quaternion.identity);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(point, "Move Control Point");
point.precedingControlPointPosition = position;
}
EditorGUI.BeginChangeCheck();
position = Handles.PositionHandle(point.followingControlPointPosition, Tools.pivotRotation == PivotRotation.Local ? followingPointRotations[pointIndex] : Quaternion.identity);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(point, "Move Control Point");
point.followingControlPointPosition = position;
}
}
EditorGUI.BeginChangeCheck();
position = Handles.PositionHandle(point.position, Tools.pivotRotation == PivotRotation.Local ? point.rotation : Quaternion.identity);
if (EditorGUI.EndChangeCheck())
{
if (!e.shift)
{
Undo.RecordObject(point, "Move Point");
Undo.RecordObject(point.transform, "Move Point");
point.position = position;
}
else
{
Vector3 delta = position - point.position;
for (int i = 0; i < allPoints.Length; i++)
{
Undo.RecordObject(allPoints[i], "Move Point");
Undo.RecordObject(allPoints[i].transform, "Move Point");
allPoints[i].position += delta;
}
}
}
break;
case Tool.Rotate:
Quaternion handleRotation;
if (Tools.pivotRotation == PivotRotation.Local)
{
handleRotation = point.rotation;
controlPointRotationsInitialized = false;
}
else
{
if (!controlPointRotationsInitialized)
{
for (int i = 0; i < allPoints.Length; i++)
{
precedingPointRotations[i] = Quaternion.identity;
}
controlPointRotationsInitialized = true;
}
handleRotation = precedingPointRotations[pointIndex];
}
EditorGUI.BeginChangeCheck();
Quaternion rotation = Handles.RotationHandle(handleRotation, point.position);
if (EditorGUI.EndChangeCheck())
{
float angle;
Vector3 axis;
(Quaternion.Inverse(handleRotation) * rotation).ToAngleAxis(out angle, out axis);
axis = handleRotation * axis;
if (!e.shift)
{
Undo.RecordObject(point.transform, "Rotate Point");
Vector3 localAxis = point.transform.InverseTransformDirection(axis);
point.localRotation *= Quaternion.AngleAxis(angle, localAxis);
}
else
{
for (int i = 0; i < allPoints.Length; i++)
{
Undo.RecordObject(allPoints[i].transform, "Rotate Point");
Vector3 localAxis = allPoints[i].transform.InverseTransformDirection(axis);
allPoints[i].localRotation *= Quaternion.AngleAxis(angle, localAxis);
}
}
if (Tools.pivotRotation == PivotRotation.Global)
{
precedingPointRotations[pointIndex] = rotation;
}
}
break;
case Tool.Scale:
EditorGUI.BeginChangeCheck();
Vector3 scale = Handles.ScaleHandle(point.localScale, point.position, point.rotation, HandleUtility.GetHandleSize(point.position));
if (EditorGUI.EndChangeCheck())
{
if (!e.shift)
{
Undo.RecordObject(point.transform, "Scale Point");
point.localScale = scale;
}
else
{
Vector3 delta = new Vector3(1f, 1f, 1f);
Vector3 prevScale = point.localScale;
if (prevScale.x != 0f)
{
delta.x = scale.x / prevScale.x;
}
if (prevScale.y != 0f)
{
delta.y = scale.y / prevScale.y;
}
if (prevScale.z != 0f)
{
delta.z = scale.z / prevScale.z;
}
for (int i = 0; i < allPoints.Length; i++)
{
Undo.RecordObject(allPoints[i].transform, "Scale Point");
prevScale = allPoints[i].localScale;
prevScale.Scale(delta);
allPoints[i].localScale = prevScale;
}
}
}
break;
}
if (e.control)
{
BezierUtils.DrawBezierPoint(point, point.Internal_Index + 1, true);
}
}
public override void OnInspectorGUI()
{
BezierUtils.DrawSplineInspectorGUI(allSplines);
}
