public void UpdateControlPoint(ISpline2D spline, int index, float3 newPoint, SplinePoint pointType)
{
ISpline2DEditor spline2D = spline as ISpline2DEditor;
Assert.NotNull(spline2D);
spline2D.UpdateControlPointLocal(index, newPoint.xy, pointType);
}
/// <summary>
/// Renders a blue dot at each control point of the spline
/// </summary>
/// <param name="spline">spline to render control points for</param>
protected void RenderControlPoints(ISpline2DEditor spline)
{
for (int i = 0; i < spline.ControlPointCount; i++)
{
bool selected = m_editControlPoint == i;
Handles.color = selected ? Color.blue : new Color(0f, 1f, 1f, 0.73f);
float2 point = spline.GetControlPoint2DWorld(i);
float3 editorPosition = new float3(point, 0f);
// draw handles
if (selected)
{
// main point
EditorGUI.BeginChangeCheck();
Vector3 pos = Handles.DoPositionHandle(editorPosition, Quaternion.identity);
if (EditorGUI.EndChangeCheck() && spline is Object objSpline)
{
Undo.RecordObject(objSpline, "Move Point");
EditorUtility.SetDirty(objSpline);
float3 origin = ((MonoBehaviour)spline).transform.position;
float2 newPoint = new float2(pos.x, pos.y) - origin.xy;
spline.UpdateControlPointLocal(i, newPoint, SplinePoint.Point);
SceneView.RepaintAll();
}
}
else
{
float size = HandleUtility.GetHandleSize(editorPosition) / 12f;
if (Handles.Button(editorPosition, Quaternion.identity, size, size, Handles.DotHandleCap))
{
m_editControlPoint = i;
Repaint();
}
}
}
}
/// <summary>
/// Shared Inspector logic
/// </summary>
/// <param name="spline">spline to show inspector for</param>
protected void OnInspectorGUI(ISpline2DEditor spline)
{
if (GUILayout.Button("Edit Points"))
{
m_editing = !m_editing;
m_editControlPoint = null;
m_editNewPointIndex = -1;
m_lastTransPosition = m_sourceTrans?.position ?? Vector3.zero;
SceneView.RepaintAll();
}
if (!m_editing)
{
GUILayout.Space(5);
EditorGUILayout.HelpBox(
$"Points: {spline.ControlPointCount}\n" +
$"Length: {spline.Length():N3}", MessageType.None);
if (spline is ILoopingSpline loop)
{
EditorGUI.BeginChangeCheck();
loop.Looped = EditorGUILayout.Toggle("Loop", loop.Looped);
if (EditorGUI.EndChangeCheck())
{
SceneView.RepaintAll();
}
}
if (spline is IArkableSpline arked)
{
EditorGUI.BeginChangeCheck();
arked.ArkParameterization = EditorGUILayout.Toggle("Ark Parametrization", arked.ArkParameterization);
if (EditorGUI.EndChangeCheck() && spline is Object objSpline)
{
EditorUtility.SetDirty(objSpline);
}
if (arked.ArkParameterization)
{
EditorGUI.BeginChangeCheck();
arked.ArkLength = EditorGUILayout.FloatField("Ark Length", arked.ArkLength);
if (EditorGUI.EndChangeCheck() && spline is Object objSpline2)
{
EditorUtility.SetDirty(objSpline2);
}
}
}
GUILayout.Space(5);
// Draw spline points - Draw a point every set interval to illustrate where bezier points will be
EditorGUI.BeginChangeCheck();
m_debugPointQty = (int)EditorGUILayout.Slider("Draw points", m_debugPointQty, 0, 200);
if (EditorGUI.EndChangeCheck())
{
SceneView.RepaintAll();
}
}
else
{
if (m_sourceTrans != null)
{
bool value = EditorGUILayout.Toggle("Move Points with Transform", m_editMoveWithTrans);
if (value != m_editMoveWithTrans)
{
m_editMoveWithTrans = value;
m_lastTransPosition = m_sourceTrans.position;
}
MoveWithTransform(spline);
}
if (m_editNewPointIndex >= 0)
{
EditorGUILayout.LabelField($"New At Index: {m_editNewPointIndex}");
}
if (m_editControlPoint == null)
{
EditorGUILayout.HelpBox($"No Control Point Selected!", MessageType.None);
}
else
{
m_editNewPointIndex = -1;
EditorGUILayout.LabelField($"Control Point: {m_editControlPoint}");
// show the current control point location
EditorGUI.BeginChangeCheck();
float2 currentPoint = spline.GetControlPoint2DLocal(m_editControlPoint.Value);
currentPoint = EditorGUILayout.Vector2Field("Point", currentPoint);
if (EditorGUI.EndChangeCheck())
{
spline.UpdateControlPointLocal(m_editControlPoint.Value, currentPoint, SplinePoint.Point);
SceneView.RepaintAll();
}
SplineEditMode existingValue = spline.GetEditMode(m_editControlPoint.Value);
SplineEditMode editMode = (SplineEditMode)EditorGUILayout.EnumPopup("Edit Mode", existingValue);
if (editMode != existingValue && spline is Object objSpline)
{
Undo.RecordObject(objSpline, $"Change EditMode of Point {m_editControlPoint}");
EditorUtility.SetDirty(objSpline);
spline.ChangeEditMode(m_editControlPoint.Value, editMode);
SceneView.RepaintAll();
}
GUILayout.Space(10);
if (GUILayout.Button("Remove Point") ||
Event.current.isKey && Event.current.type == EventType.KeyDown &&
Event.current.keyCode == KeyCode.Delete)
{
spline.RemoveControlPoint(m_editControlPoint.Value);
m_editControlPoint = null;
SceneView.RepaintAll();
if (Event.current.keyCode == KeyCode.Delete)
{
// Sadly this doesn't actually work :( dammit Unity
GUIUtility.hotControl = 0;
Event.current.Use();
}
}
}
}
}