public EvaluatedGradientNode(GradientNode gradient, VariableBag variables)
{
_gradient = gradient;
Min = gradient.Min.Evaluate(variables);
Max = gradient.Max.Evaluate(variables);
variables.GradientMinimum = Min;
variables.GradientMaximum = Max;
var evaluatedStops = new List <EvaluatedStopNode>();
// ReSharper disable once ForCanBeConvertedToForeach
// ReSharper disable once LoopCanBeConvertedToQuery
for (var i = 0; i < gradient.Stops.Length; i++)
{
evaluatedStops.Add(gradient.Stops[i].Evaluate(variables));
}
Stops = FilterStopsForConflicts(evaluatedStops);
var colorKeys = new List <GradientColorKey>();
var alphaKeys = new List <GradientAlphaKey>();
// ReSharper disable once ForCanBeConvertedToForeach
for (var i = 0; i < Stops.Count; i++)
{
var stop = Stops[i];
var colorKey = stop.TryConvertToColorKey(Min, Max);
var alphaKey = stop.TryConvertToAlphaKey(Min, Max);
if (colorKey != null)
{
colorKeys.Add(colorKey.Value);
}
if (alphaKey != null)
{
alphaKeys.Add(alphaKey.Value);
}
}
_unityGradient = new Gradient();
_unityGradient.SetKeys(colorKeys.ToArray(), alphaKeys.ToArray());
}
public double Evaluate(VariableBag variables)
{
if (_constant != null)
{
return(_constant.Value);
}
if (_variable != null)
{
var value = variables.GetValue(_variable.Value);
if (!double.IsNaN(value))
{
return(value);
}
}
throw new InvalidOperationException($"Expression '{this}' could not be evaluated.");
}
public EvaluatedStopNode(StopNode stop, VariableBag variables)
{
_stop = stop;
Value = stop.Value.Evaluate(variables) * stop.Factor;
}
public void PopulatePartVariables(Part part, VariableBag variables) => _populatePartVariables(part, variables);
public void PopulateVesselVariables(Vessel vessel, VariableBag variables) => _populateVesselVariables(vessel, variables);
