private void ShowDirections()
{
Handles.color = Color.green;
Vector3 point = m_Spline.GetPoint(0f);
Handles.DrawLine(point, point + m_Spline.GetDirection(0f) * c_DirectionScale);
int steps = c_LineStepsPerCurve * m_Spline.GetCurveCount();
for (int i = 1; i <= steps; i++)
{
point = m_Spline.GetPoint(i / (float)steps);
Handles.DrawLine(point, point + m_Spline.GetDirection(i / (float)steps) * c_DirectionScale);
}
}