public override void DrawScene()
{
if (selectedPoints.Count == 0)
{
return;
}
if (rotateNormals)
{
Handles.color = new Color(Color.yellow.r, Color.yellow.g, Color.yellow.b, 0.4f);
for (int i = 0; i < selectedPoints.Count; i++)
{
Vector3 normal = points[selectedPoints[i]].normal;
normal *= HandleUtility.GetHandleSize(points[selectedPoints[i]].position);
Handles.DrawLine(points[selectedPoints[i]].position, points[selectedPoints[i]].position + normal);
SplineEditorHandles.DrawArrowCap(points[selectedPoints[i]].position + normal, Quaternion.LookRotation(normal), HandleUtility.GetHandleSize(points[selectedPoints[i]].position));
}
}
Handles.color = Color.white;
Quaternion lastRotation = rotation;
rotation = Handles.RotationHandle(lastRotation, selectionCenter);
if (lastRotation != rotation)
{
RecordUndo("Rotate Points");
PrepareTransform();
for (int i = 0; i < selectedPoints.Count; i++)
{
points[selectedPoints[i]] = localPoints[selectedPoints[i]];
TransformPoint(ref points[selectedPoints[i]], rotateNormals, rotateTangents);
}
SetDirty();
}
}
protected override void KeyHandles(SplineSampleModifier.Key key, bool edit)
{
RotationModifier.RotationKey rotationKey = (RotationModifier.RotationKey)key;
SplineSample result = new SplineSample();
user.spline.Evaluate(rotationKey.position, result);
if (rotationKey.useLookTarget)
{
if (rotationKey.target != null)
{
Handles.DrawDottedLine(result.position, rotationKey.target.position, 5f);
if (edit)
{
Vector3 lastPos = rotationKey.target.position;
rotationKey.target.position = Handles.PositionHandle(rotationKey.target.position, Quaternion.identity);
if (lastPos != rotationKey.target.position)
{
user.Rebuild();
}
}
}
}
else
{
Quaternion directionRot = Quaternion.LookRotation(result.forward, result.up);
Quaternion rot = directionRot * Quaternion.Euler(rotationKey.rotation);
SplineEditorHandles.DrawArrowCap(result.position, rot, HandleUtility.GetHandleSize(result.position));
if (edit)
{
Vector3 lastEuler = rot.eulerAngles;
rot = Handles.RotationHandle(rot, result.position);
rot = Quaternion.Inverse(directionRot) * rot;
rotationKey.rotation = rot.eulerAngles;
if (rot.eulerAngles != lastEuler)
{
user.Rebuild();
}
}
}
base.KeyHandles(key, edit);
}