void FreeNormal(int index)
{
Handles.color = highlightColor;
Handles.DrawWireDisc(points[index].position, points[index].normal, HandleUtility.GetHandleSize(points[index].position) * 0.25f);
Handles.DrawWireDisc(points[index].position, points[index].normal, HandleUtility.GetHandleSize(points[index].position) * 0.5f);
Handles.color = color;
Handles.DrawLine(points[index].position, points[index].position + HandleUtility.GetHandleSize(points[index].position) * points[index].normal);
Vector3 normalPos = points[index].position + points[index].normal * HandleUtility.GetHandleSize(points[index].position);
Vector3 lastNormal = points[index].normal;
normalPos = SplineEditorHandles.FreeMoveCircle(normalPos, HandleUtility.GetHandleSize(normalPos) * 0.1f);
normalPos -= points[index].position;
normalPos.Normalize();
if (normalPos == Vector3.zero)
{
normalPos = Vector3.up;
}
if (lastNormal != normalPos)
{
RecordUndo("Edit Point Normals");
points[index].normal = normalPos;
Quaternion delta = Quaternion.FromToRotation(lastNormal, normalPos);
for (int n = 0; n < selectedPoints.Count; n++)
{
if (selectedPoints[n] == index)
{
continue;
}
points[selectedPoints[n]].normal = delta * points[selectedPoints[n]].normal;
}
}
}
public override void DrawScene()
{
Transform camTransform = SceneView.currentDrawingSceneView.camera.transform;
if (!drag)
{
if (finalize)
{
if (rect.width > 0f && rect.height > 0f)
{
if (!eventModule.control)
{
ClearSelection();
}
for (int i = 0; i < points.Length; i++)
{
Vector2 guiPoint = HandleUtility.WorldToGUIPoint(points[i].position);
if (rect.Contains(guiPoint))
{
Vector3 local = camTransform.InverseTransformPoint(points[i].position);
if (local.z >= 0f)
{
AddPointSelection(i);
}
}
}
}
finalize = false;
}
}
else
{
rectEnd = Event.current.mousePosition;
rect = new Rect(Mathf.Min(rectStart.x, rectEnd.x), Mathf.Min(rectStart.y, rectEnd.y), Mathf.Abs(rectEnd.x - rectStart.x), Mathf.Abs(rectEnd.y - rectStart.y));
if (rect.width >= minimumRectSize && rect.height >= minimumRectSize)
{
Color col = SplinePrefs.highlightColor;
col.a = 0.4f;
Handles.BeginGUI();
EditorGUI.DrawRect(rect, col);
Handles.EndGUI();
SceneView.RepaintAll();
}
}
TextAnchor originalAlignment = GUI.skin.label.alignment;
Color originalColor = GUI.skin.label.normal.textColor;
GUI.skin.label.alignment = TextAnchor.MiddleCenter;
GUI.skin.label.normal.textColor = color;
for (int i = 0; i < points.Length; i++)
{
if (isClosed && i == points.Length - 1)
{
break;
}
bool moved = false;
bool isSelected = selectedPoints.Contains(i);
Vector3 lastPos = points[i].position;
Handles.color = Color.clear;
if (SplinePrefs.showPointNumbers && camTransform.InverseTransformPoint(points[i].position).z > 0f)
{
Handles.Label(points[i].position + Camera.current.transform.up * HandleUtility.GetHandleSize(points[i].position) * 0.3f, (i + 1).ToString());
}
if (excludeSelected && isSelected)
{
SplineEditorHandles.FreeMoveRectangle(points[i].position, HandleUtility.GetHandleSize(points[i].position) * 0.1f);
}
else
{
points[i].SetPosition(SplineEditorHandles.FreeMoveRectangle(points[i].position, HandleUtility.GetHandleSize(points[i].position) * 0.1f));
}
if (lastPos != points[i].position)
{
RecordUndo("Move Points");
moved = true;
if (isSelected)
{
for (int n = 0; n < selectedPoints.Count; n++)
{
if (selectedPoints[n] == i)
{
continue;
}
points[selectedPoints[n]].SetPosition(points[selectedPoints[n]].position + (points[i].position - lastPos));
}
}
else
{
SelectPoint(i);
}
lastPos = points[i].position;
}
if (!moved && editor.eventModule.mouseLeftUp)
{
if (SplineEditorHandles.HoverArea(points[i].position, 0.12f))
{
if (eventModule.shift)
{
ShiftSelect(i, points.Length);
}
else if (eventModule.control)
{
AddPointSelection(i);
}
else
{
SelectPoint(i);
}
}
}
if (!excludeSelected || !isSelected)
{
Handles.color = color;
if (isSelected)
{
Handles.color = SplinePrefs.highlightColor;
Handles.DrawWireDisc(points[i].position, -SceneView.currentDrawingSceneView.camera.transform.forward, HandleUtility.GetHandleSize(points[i].position) * 0.14f);
}
else
{
Handles.color = color;
}
Handles.DrawSolidDisc(points[i].position, -SceneView.currentDrawingSceneView.camera.transform.forward, HandleUtility.GetHandleSize(points[i].position) * 0.09f);
Handles.color = Color.white;
}
moved = false;
}
GUI.skin.label.alignment = originalAlignment;
GUI.skin.label.normal.textColor = originalColor;
if (splineType == Spline.Type.Bezier)
{
Handles.color = color;
for (int i = 0; i < selectedPoints.Count; i++)
{
Handles.DrawDottedLine(points[selectedPoints[i]].position, points[selectedPoints[i]].tangent, 4f);
Handles.DrawDottedLine(points[selectedPoints[i]].position, points[selectedPoints[i]].tangent2, 4f);
Vector3 lastPos = points[selectedPoints[i]].tangent;
Vector3 newPos = SplineEditorHandles.FreeMoveCircle(points[selectedPoints[i]].tangent, HandleUtility.GetHandleSize(points[selectedPoints[i]].tangent) * 0.1f);
if (lastPos != newPos)
{
RecordUndo("Move Tangent");
points[selectedPoints[i]].SetTangentPosition(newPos);
}
lastPos = points[selectedPoints[i]].tangent2;
newPos = SplineEditorHandles.FreeMoveCircle(points[selectedPoints[i]].tangent2, HandleUtility.GetHandleSize(points[selectedPoints[i]].tangent2) * 0.1f);
if (lastPos != newPos)
{
RecordUndo("Move Tangent");
points[selectedPoints[i]].SetTangent2Position(newPos);
}
}
}
if (isDragging)
{
if (eventModule.alt || !SceneView.currentDrawingSceneView.camera.pixelRect.Contains(Event.current.mousePosition) || !eventModule.mouseLeft)
{
FinishDrag();
}
}
}
