private static void PivotPoints(GenericPosture posture, float radians, GenericPostureImpactPivot impact)
{
// Rotates a series of point around a pivot point.
PointF pivot = posture.PointList[impact.Pivot];
foreach (int pointRef in impact.Impacted)
{
posture.PointList[pointRef] = GeometryHelper.Pivot(pivot, posture.PointList[pointRef], radians);
}
}