private void DrawInternal(Rect rect, DoubleCurve doubleCurve)
{
if (doubleCurve == null)
{
Debug.Log("DoubleCurve is null");
}
else
{
EditorGUIUtility.DrawRegionSwatch(rect, doubleCurve.maxCurve, doubleCurve.minCurve, new Color(0.8f, 0.8f, 0.8f, 1f), EditorGUI.kCurveBGColor, !doubleCurve.signedRange ? this.kUnsignedRange : this.kSignedRange);
}
}