public IColor GetColor(float position)
{
int i;
for (i = 0; i < _gradientPoints.Count; i++)
{
GradientPoint gradientPoint = _gradientPoints[i];
if (position < gradientPoint.Position)
{
break;
}
}
int num = Libnoise.Clamp(i - 1, 0, _gradientPoints.Count - 1);
int num2 = Libnoise.Clamp(i, 0, _gradientPoints.Count - 1);
if (num == num2)
{
GradientPoint gradientPoint2 = _gradientPoints[num2];
return(gradientPoint2.Color);
}
GradientPoint gradientPoint3 = _gradientPoints[num];
float position2 = gradientPoint3.Position;
GradientPoint gradientPoint4 = _gradientPoints[num2];
float position3 = gradientPoint4.Position;
float num3 = (position - position2) / (position3 - position2);
GradientPoint gradientPoint5 = _gradientPoints[num];
IColor color = gradientPoint5.Color;
GradientPoint gradientPoint6 = _gradientPoints[num2];
return(Color.Lerp(color, gradientPoint6.Color, num3));
}
public void AddGradientPoint(GradientPoint point)
{
if (_gradientPoints.Contains(point))
{
throw new ArgumentException($"Cannont insert GradientPoint({point.Position}, {point.Color}) : Each GradientPoint is required to contain a unique position");
}
_gradientPoints.Add(point);
_gradientPoints.Sort(delegate(GradientPoint p1, GradientPoint p2)
{
if (p1.Position > p2.Position)
{
return(1);
}
if (p1.Position < p2.Position)
{
return(-1);
}
return(0);
});
}
