public void SetVertexCount(int size)
{
if (_lineRenderer == null)
{
Awake();
}
if (_points.Count == size)
{
return;
}
_lineRenderer.SetVertexCount(size);
while (_points.Count > size)
{
_points.RemoveAt(size - 1);
}
while (_points.Count < size)
{
_points.Add(Vector3.zero);
}
_points.Trim();
}