private void UpdateBoundaryRadius()
{
if (position == null)
{
UpdatePosition();
}
boundaryRadius = functionAdder.SumMany(new MonotonicFunction[] {
Left.GetBoundaryRadius(), new Constant(leftDistanceFromOrigin),
Right.GetBoundaryRadius(), new Constant(rightDistanceFromOrigin)
});
}
/// <summary>
/// Determine the new reach function for this accelerating body,
/// assuming that some of the measured properties have changed since
/// it was last calculated.
/// </summary>
private void RecalculateReach()
{
float t = measuredTime;
float s0 = BodyRadius;
float v0 = velocity.Magnitude;
float a0 = acceleration.Magnitude;
if (a0 != 0.0f)
{
float a = 0.5f * a0;
float b = v0 - 2 * a * t;
float c = s0 - b * t - a * t * t;
reach = new Quadratic(a, b, c);
}
else if (v0 != 0)
{
reach = new Linear(v0, s0);
}
else
{
reach = new Constant(s0);
}
}
private void ResetProperties()
{
position = null;
boundaryRadius = null;
nextDiscontinuity = null;
}