public static void DrawMultiSelect(
IBezier3DSplineData splineData,
UnityEditor.Editor editorWindow,
Transform transform = null)
{
Handles.color = Color.blue;
for (var i = 0; i < CurveEditorState.SelectedKnots.Count; i++)
{
if (Handles.Button(
transform == null
? splineData.GetKnot(CurveEditorState.SelectedKnots[i]).position
: transform.TransformPoint(splineData.GetKnot(CurveEditorState.SelectedKnots[i]).position),
Camera.current.transform.rotation,
SceneGUIConstants.HandleSize,
SceneGUIConstants.HandleSize,
Handles.CircleHandleCap))
{
CurveEditorState.SelectKnot(CurveEditorState.SelectedKnots[i], true);
editorWindow.Repaint();
}
}
var handlePos = Vector3.zero;
if (Tools.pivotMode == PivotMode.Center)
{
for (var i = 0; i < CurveEditorState.SelectedKnots.Count; i++)
{
handlePos += splineData.GetKnot(CurveEditorState.SelectedKnots[i]).position;
}
handlePos /= CurveEditorState.SelectedKnots.Count;
}
else
{
handlePos = splineData.GetKnot(CurveEditorState.SelectedKnotIndex).position;
}
if (transform != null)
{
handlePos = transform.TransformPoint(handlePos);
}
Handles.PositionHandle(handlePos, Tools.handleRotation);
}
public static void DrawUnselectedKnots(
IBezier3DSplineData splineData,
UnityEditor.Editor editorWindow,
Transform transform = null)
{
for (var i = 0; i < splineData.KnotCount; i++)
{
if (CurveEditorState.SelectedKnots.Contains(i))
{
continue;
}
var knot = splineData.GetKnot(i);
var knotWorldPos = transform == null
? knot.position
: transform.TransformPoint(knot.position);
if (knot.rotation.HasValue)
{
Handles.color = Handles.yAxisColor;
var rot = knot.rotation.Value;
Handles.ArrowHandleCap(
0,
knotWorldPos,
rot * Quaternion.AngleAxis(90, Vector3.left),
0.15f,
EventType.Repaint);
}
Handles.color = Color.white;
if (Handles.Button(
knotWorldPos,
Camera.current.transform.rotation,
HandleUtility.GetHandleSize(knotWorldPos) * SceneGUIConstants.HandleSize,
HandleUtility.GetHandleSize(knotWorldPos) * SceneGUIConstants.HandleSize,
Handles.CircleHandleCap))
{
CurveEditorState.SelectKnot(i, Event.current.control);
editorWindow.Repaint();
}
}
}
public static void DrawSelectedSplitters(
Bezier3DSplineData splineData,
Action <IReadOnly3DSplineData> onUpdateSpline,
Transform transform = null)
{
Handles.color = Color.white;
//Start add
if (!splineData.IsClosed && CurveEditorState.SelectedKnotIndex == 0)
{
var curve = splineData.GetCurve(0);
var a = transform == null
? curve.StartPoint
: transform.TransformPoint(curve.StartPoint);
var b = transform == null
? curve.FirstHandle.normalized * 2f
: transform.TransformDirection(curve.FirstHandle).normalized * 2f;
var handleScale = HandleUtility.GetHandleSize(a);
b *= handleScale;
Handles.DrawDottedLine(a, a - b, 3f);
if (Handles.Button(
a - b,
Camera.current.transform.rotation,
handleScale * SceneGUIConstants.HandleSize * 0.4f,
handleScale * SceneGUIConstants.HandleSize * 0.4f,
Handles.DotHandleCap))
{
Undo.RecordObject(splineData, "Add Bezier Point");
var knot = splineData.GetKnot(CurveEditorState.SelectedKnotIndex);
splineData.InsertKnot(
0,
new Knot(
curve.StartPoint - curve.FirstHandle.normalized * handleScale * 2,
Vector3.zero,
curve.FirstHandle.normalized * 0.5f,
knot.auto,
knot.rotation));
onUpdateSpline?.Invoke(splineData);
}
}
//End add
if (!splineData.IsClosed && CurveEditorState.SelectedKnotIndex == splineData.CurveCount)
{
var curve = splineData.GetCurve(splineData.CurveCount - 1);
var c = transform == null
? curve.SecondHandle.normalized * 2f
: transform.TransformDirection(curve.SecondHandle).normalized * 2f;
var d = transform == null
? curve.EndPoint
: transform.TransformPoint(curve.EndPoint);
var handleScale = HandleUtility.GetHandleSize(d);
c *= handleScale;
Handles.DrawDottedLine(d, d - c, 3f);
if (Handles.Button(
d - c,
Camera.current.transform.rotation,
handleScale * SceneGUIConstants.HandleSize * 0.4f,
handleScale * SceneGUIConstants.HandleSize * 0.4f,
Handles.DotHandleCap))
{
Undo.RecordObject(splineData, "Add Bezier Point");
var knot = splineData.GetKnot(CurveEditorState.SelectedKnotIndex);
splineData.AddKnot(
new Knot(
curve.EndPoint - curve.SecondHandle.normalized * handleScale * 2,
curve.SecondHandle.normalized * 0.5f,
Vector3.zero,
knot.auto,
knot.rotation));
CurveEditorState.SelectKnot(splineData.CurveCount, false);
onUpdateSpline?.Invoke(splineData);
}
}
// Prev split
if (splineData.IsClosed || CurveEditorState.SelectedKnotIndex != 0)
{
var curve = splineData.GetCurve(CurveEditorState.SelectedKnotIndex == 0 ? splineData.CurveCount - 1 : CurveEditorState.SelectedKnotIndex - 1);
var centerLocal = curve.GetPoint(curve.ConvertDistanceToTime(curve.Length * 0.5f));
var center = transform == null ? centerLocal : transform.TransformPoint(centerLocal);
var a = curve.StartPoint + curve.FirstHandle;
var b = curve.SecondHandle + curve.EndPoint;
var ab = (b - a) * 0.3f;
var handleScale = HandleUtility.GetHandleSize(center);
if (Handles.Button(
center,
Camera.current.transform.rotation,
handleScale * SceneGUIConstants.HandleSize * 0.4f,
handleScale * SceneGUIConstants.HandleSize * 0.4f,
Handles.DotHandleCap))
{
Undo.RecordObject(splineData, "Add Bezier Point");
var knot = splineData.GetKnot(CurveEditorState.SelectedKnotIndex);
splineData.InsertKnot(
CurveEditorState.SelectedKnotIndex == 0 ? splineData.CurveCount : CurveEditorState.SelectedKnotIndex,
new Knot(
centerLocal,
-ab,
ab,
knot.auto,
knot.rotation));
if (CurveEditorState.SelectedKnotIndex == 0)
{
CurveEditorState.SelectKnot(splineData.CurveCount - 1, false);
}
onUpdateSpline?.Invoke(splineData);
}
}
// Next split
if (CurveEditorState.SelectedKnotIndex != splineData.CurveCount)
{
var curve = splineData.GetCurve(CurveEditorState.SelectedKnotIndex);
var centerLocal = curve.GetPoint(curve.ConvertDistanceToTime(curve.Length * 0.5f));
var center = transform == null ? centerLocal : transform.TransformPoint(centerLocal);
var a = curve.StartPoint + curve.FirstHandle;
var b = curve.SecondHandle + curve.EndPoint;
var ab = (b - a) * 0.3f;
var handleScale = HandleUtility.GetHandleSize(center);
if (Handles.Button(
center,
Camera.current.transform.rotation,
handleScale * SceneGUIConstants.HandleSize * 0.4f,
handleScale * SceneGUIConstants.HandleSize * 0.4f,
Handles.DotHandleCap))
{
Undo.RecordObject(splineData, "Add Bezier Point");
splineData.InsertKnot(CurveEditorState.SelectedKnotIndex + 1, new Knot(centerLocal, -ab, ab));
CurveEditorState.SelectKnot(CurveEditorState.SelectedKnotIndex + 1, false);
onUpdateSpline?.Invoke(splineData);
}
}
}