public void RemoveV(double u)
{
var state = State;
state.Table.Remove(u);
SplineInterpolator.UpdateTangents(state.Table.ToList());
TriggerChangedEventIfEnabled();
}
public void AddOrUpdateV(double u, VDefinition key)
{
var state = State;
state.Table[u] = key.Clone();
SplineInterpolator.UpdateTangents(state.Table.ToList());
TriggerChangedEventIfEnabled();
}
public double GetSampledValue(double u)
{
var state = State;
if (state.Table.Count < 1 || double.IsNaN(u) || double.IsInfinity(u))
{
return(0.0);
}
double offset = 0.0;
double mappedU = u;
var first = state.Table.First();
var last = state.Table.Last();
if (u <= first.Key)
{
state.PreCurveMapper.Calc(u, state.Table, out mappedU, out offset);
}
else if (u >= last.Key)
{
state.PostCurveMapper.Calc(u, state.Table, out mappedU, out offset);
}
double resultValue = 0.0;
if (mappedU <= first.Key)
{
resultValue = offset + first.Value.Value;
}
else if (mappedU >= last.Key)
{
resultValue = offset + last.Value.Value;
}
else
{
//interpolate
var a = state.Table.Last(e => e.Key <= mappedU);
var b = state.Table.First(e => e.Key > mappedU);
if (a.Value.OutType == VDefinition.Interpolation.Constant)
{
resultValue = offset + ConstInterpolator.Interpolate(a, b, mappedU);
}
else if (a.Value.OutType == VDefinition.Interpolation.Linear && b.Value.OutType == VDefinition.Interpolation.Linear)
{
resultValue = offset + LinearInterpolator.Interpolate(a, b, mappedU);
}
else
{
resultValue = offset + SplineInterpolator.Interpolate(a, b, mappedU);
}
}
return(resultValue);
}
public void MoveV(double u, double newU)
{
var state = State;
if (!state.Table.ContainsKey(u))
{
Logger.Warn("Tried to move a non-existing keyframe from {0} to {1}", u, newU);
return;
}
var key = state.Table[u];
state.Table.Remove(u);
state.Table[newU] = key;
SplineInterpolator.UpdateTangents(state.Table.ToList());
TriggerChangedEventIfEnabled();
}