public SimulationPoint[] Step(bool friction = false)
{
int len = _points.Length;
SimulationPoint[] ret = new SimulationPoint[len];
for (int i = 0; i < len; i++)
{
if (!friction)
{
ret[i] = _points[i].Step();
}
else
{
ret[i] = _points[i].StepFriction();
}
}
return(ret);
}
/// <summary>
/// fast compare method for two collections so we can bypass
/// struct copies
/// </summary>
public bool CompareTo(ImmutablePointCollection comparand)
{
int len = _points.Length;
if (comparand.Length != len)
{
throw new ArgumentException("Mismatched point collections");
}
for (int i = 0; i < len; i++)
{
if (!SimulationPoint.FastEquals(
ref _points[i],
ref comparand._points[i]))
{
return(false);
}
}
return(true);
}
public static bool FastEquals(ref SimulationPoint a, ref SimulationPoint b)
{
return(a.Location == b.Location && a.Previous == b.Previous);
}
