private void InsertNewPointAt(int index)
{
Undo.IncrementCurrentGroup();
Undo.RecordObject(spline, "Insert Point");
spline.InsertNewPointAt(index);
selectedEndPointIndex = index;
SceneView.RepaintAll();
}
private void DuplicatePointAt(int index)
{
BezierPoint duplicatePoint = new BezierPoint(spline, spline[selectedEndPointIndex]);
Undo.IncrementCurrentGroup();
Undo.RecordObject(spline, "Duplicate Point");
spline.InsertNewPointAt(index + 1, duplicatePoint);
selectedEndPointIndex = index + 1;
SceneView.RepaintAll();
}
private void RemovePointAt(int index)
{
Undo.IncrementCurrentGroup();
Undo.RecordObject(spline, "Remove Point");
spline.RemovePointAt(index);
if (selectedEndPointIndex >= spline.Count)
{
selectedEndPointIndex = spline.Count - 1;
}
SceneView.RepaintAll();
}
void OnSceneGUI()
{
BezierPoint endPoint0 = null, endPoint1 = null;
for (int i = 0; i < spline.Count - 1; i++)
{
endPoint0 = spline[i];
endPoint1 = spline[i + 1];
DrawBezier(endPoint0, endPoint1);
}
/*
* // Draw tangent lines on scene view
* Color _tmp = Handles.color;
* Handles.color = Color.cyan;
* for( float i = 0f; i < 1f; i += 0.05f )
* {
* Handles.DrawLine( spline.GetPoint( i ), spline.GetPoint( i ) + spline.GetTangent( i ) );
* }
* Handles.color = _tmp;
*/
if (endPoint1 != null)
{
if (spline.loop)
{
DrawBezier(endPoint1, spline[0]);
}
}
for (int i = 0; i < spline.Count; i++)
{
DrawBezierPointAt(i);
}
if (selectedEndPointIndex >= spline.Count)
{
selectedEndPointIndex = spline.Count - 1;
}
if (selectedEndPointIndex == -1)
{
Tools.hidden = false;
}
else
{
Tools.hidden = true;
DrawHandlesForSelectedEndPoint();
Event e = Event.current;
if (e.type == EventType.ValidateCommand)
{
if (e.commandName == "Copy" || e.commandName == "Cut" || e.commandName == "Paste")
{
e.type = EventType.Ignore;
}
else if (e.commandName == "Delete")
{
RemovePointAt(selectedEndPointIndex);
e.type = EventType.Ignore;
}
else if (e.commandName == "Duplicate")
{
DuplicatePointAt(selectedEndPointIndex);
e.type = EventType.Ignore;
}
}
if (e.isKey && e.type == EventType.KeyDown && e.keyCode == KeyCode.Delete)
{
RemovePointAt(selectedEndPointIndex);
e.Use();
}
}
}
private void DrawBezierPointAt(int index, int controlPointIndex, Handles.CapFunction capFunc)
{
Vector3 worldPos;
Quaternion rotation;
float sizeModifier;
if (controlPointIndex == EndPointIndex.CONTROL_POINT_NONE)
{
worldPos = spline[index].position;
rotation = Quaternion.identity;
sizeModifier = END_POINT_SIZE;
}
else if (controlPointIndex == EndPointIndex.CONTROL_POINT_PRECEDING)
{
worldPos = spline[index].precedingControlPointPosition;
rotation = SceneView.lastActiveSceneView.rotation;
sizeModifier = END_POINT_CONTROL_POINTS_SIZE;
}
else
{
worldPos = spline[index].followingControlPointPosition;
rotation = SceneView.lastActiveSceneView.rotation;
sizeModifier = END_POINT_CONTROL_POINTS_SIZE;
}
if (index != selectedEndPointIndex || selectedEndPointIndex.controlPointIndex != controlPointIndex)
{
if (index != selectedEndPointIndex)
{
Handles.color = Color.white;
}
else
{
Handles.color = SELECTED_END_POINT_CONNECTED_POINTS_COLOR;
}
if (Event.current.alt || Event.current.button > 0)
{
//capFunc( 0, worldPos, rotation, HandleUtility.GetHandleSize( worldPos ) * sizeModifier );
capFunc(0, worldPos, rotation, HandleUtility.GetHandleSize(worldPos) * sizeModifier, EventType.Repaint);
}
else
{
if (Handles.Button(worldPos, rotation, HandleUtility.GetHandleSize(worldPos) * sizeModifier, sizeModifier, capFunc))
{
Undo.RecordObject(spline, "Change Selected Point");
selectedEndPointIndex = new EndPointIndex(index, controlPointIndex);
worldSpaceRotationInitialized = false;
endPointControlPointRotationInitialized = false;
Repaint();
}
}
}
else
{
Handles.color = SELECTED_END_POINT_COLOR;
capFunc(0, worldPos, rotation, HandleUtility.GetHandleSize(worldPos) * sizeModifier * 1.5f, EventType.Repaint);
}
}
public override void OnInspectorGUI()
{
Color c = GUI.color;
EditorGUI.BeginChangeCheck();
bool loop = EditorGUILayout.Toggle("Loop", spline.loop);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Toggle Loop");
spline.loop = loop;
SceneView.RepaintAll();
}
EditorGUILayout.Space();
GUI.color = AUTO_CONSTRUCT_SPLINE_BUTTON_COLOR;
if (GUILayout.Button("Auto Construct Spline"))
{
Undo.RecordObject(spline, "Auto Construct Spline");
spline.AutoConstructSpline();
SceneView.RepaintAll();
}
if (GUILayout.Button("Auto Construct Spline (method #2)"))
{
Undo.RecordObject(spline, "Auto Construct Spline");
spline.AutoConstructSpline2();
SceneView.RepaintAll();
}
GUI.color = c;
if (selectedEndPointIndex >= spline.Count)
{
selectedEndPointIndex = spline.Count - 1;
}
if (selectedEndPointIndex != -1)
{
EditorGUILayout.Space();
DrawHorizontalSeparator();
GUILayout.BeginHorizontal();
if (GUILayout.Button("<-", GUILayout.Width(45)))
{
int newIndex = selectedEndPointIndex - 1;
if (newIndex < 0)
{
if (loop)
{
newIndex = spline.Count - 1;
}
else
{
newIndex = 0;
}
}
if (newIndex != selectedEndPointIndex)
{
Undo.IncrementCurrentGroup();
Undo.RecordObject(spline, "Change Selected Point");
selectedEndPointIndex = newIndex;
SceneView.RepaintAll();
}
}
GUILayout.Box("Selected Point: " + selectedEndPointIndex.index + " / " + (spline.Count - 1), GUILayout.ExpandWidth(true));
if (GUILayout.Button("->", GUILayout.Width(45)))
{
int newIndex = selectedEndPointIndex + 1;
if (newIndex >= spline.Count)
{
if (loop)
{
newIndex = 0;
}
else
{
newIndex = spline.Count - 1;
}
}
if (newIndex != selectedEndPointIndex)
{
Undo.IncrementCurrentGroup();
Undo.RecordObject(spline, "Change Selected Point");
selectedEndPointIndex = newIndex;
SceneView.RepaintAll();
}
}
GUILayout.EndHorizontal();
if (GUILayout.Button("Deselect"))
{
Undo.RecordObject(spline, "Deselect Selected Point");
selectedEndPointIndex = -1;
SceneView.RepaintAll();
return;
}
EditorGUILayout.Space();
if (GUILayout.Button("Decrement Point's Index"))
{
if (selectedEndPointIndex > 0)
{
Undo.IncrementCurrentGroup();
Undo.RecordObject(spline, "Change point index");
spline.SwapPointsAt(selectedEndPointIndex, selectedEndPointIndex - 1);
selectedEndPointIndex = selectedEndPointIndex - 1;
SceneView.RepaintAll();
}
}
if (GUILayout.Button("Increment Point's Index"))
{
if (selectedEndPointIndex < spline.Count - 1)
{
Undo.IncrementCurrentGroup();
Undo.RecordObject(spline, "Change point index");
spline.SwapPointsAt(selectedEndPointIndex, selectedEndPointIndex + 1);
selectedEndPointIndex = selectedEndPointIndex + 1;
SceneView.RepaintAll();
}
}
EditorGUILayout.Space();
if (GUILayout.Button("Insert Point Before"))
{
InsertNewPointAt(selectedEndPointIndex);
}
if (GUILayout.Button("Insert Point After"))
{
InsertNewPointAt(selectedEndPointIndex + 1);
}
EditorGUILayout.Space();
if (GUILayout.Button("Duplicate Point"))
{
DuplicatePointAt(selectedEndPointIndex);
}
EditorGUILayout.Space();
BezierPoint selectedEndPoint = spline[selectedEndPointIndex];
EditorGUI.BeginChangeCheck();
BezierPoint.HandleMode handleMode = (BezierPoint.HandleMode)EditorGUILayout.EnumPopup("Handle Mode", selectedEndPoint.handleMode);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Change Point Handle Mode");
selectedEndPoint.handleMode = handleMode;
SceneView.RepaintAll();
}
EditorGUI.BeginChangeCheck();
Vector3 position = EditorGUILayout.Vector3Field("Local Position", selectedEndPoint.localPosition);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Change Point Position");
selectedEndPoint.localPosition = position;
SceneView.RepaintAll();
}
EditorGUI.BeginChangeCheck();
Vector3 eulerAngles = EditorGUILayout.Vector3Field("Local Euler Angles", selectedEndPoint.localEulerAngles);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Change Point Rotation");
selectedEndPoint.localEulerAngles = eulerAngles;
SceneView.RepaintAll();
}
EditorGUI.BeginChangeCheck();
Vector3 scale = EditorGUILayout.Vector3Field("Local Scale", selectedEndPoint.localScale);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Change Point Scale");
selectedEndPoint.localScale = scale;
SceneView.RepaintAll();
}
EditorGUILayout.Space();
EditorGUI.BeginChangeCheck();
position = EditorGUILayout.Vector3Field("Preceding Control Point Local Position", selectedEndPoint.precedingControlPointLocalPosition);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Change Point Position");
selectedEndPoint.precedingControlPointLocalPosition = position;
SceneView.RepaintAll();
}
EditorGUI.BeginChangeCheck();
position = EditorGUILayout.Vector3Field("Following Control Point Local Position", selectedEndPoint.followingControlPointLocalPosition);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Change Point Position");
selectedEndPoint.followingControlPointLocalPosition = position;
SceneView.RepaintAll();
}
EditorGUILayout.Space();
if (GUILayout.Button("Swap Control Points"))
{
Undo.RecordObject(spline, "Swap Control Points");
Vector3 precedingControlPointLocalPos = selectedEndPoint.precedingControlPointLocalPosition;
selectedEndPoint.precedingControlPointLocalPosition = selectedEndPoint.followingControlPointLocalPosition;
selectedEndPoint.followingControlPointLocalPosition = precedingControlPointLocalPos;
SceneView.RepaintAll();
}
EditorGUILayout.Space();
DrawHorizontalSeparator();
GUI.color = RESET_POINT_BUTTON_COLOR;
if (GUILayout.Button("Reset Point"))
{
ResetEndPointAt(selectedEndPointIndex);
SceneView.RepaintAll();
}
EditorGUILayout.Space();
GUI.color = REMOVE_POINT_BUTTON_COLOR;
if (spline.Count <= 2)
{
GUI.enabled = false;
}
if (GUILayout.Button("Remove Point"))
{
RemovePointAt(selectedEndPointIndex);
}
GUI.enabled = true;
GUI.color = c;
}
}