public override Color Interpolate(Color start, double keyframe)
{
if (keyframe <= 0.0)
{
return(start);
}
if (keyframe >= 1.0)
{
return(Value);
}
if (double.IsNaN(keyframe))
{
return(start);
}
double v = _spline.GetSplineProgress(keyframe);
return(Color.SmoothStep(start, Value, (float)v));
}
public override double Interpolate(double start, double keyframe)
{
if (keyframe <= 0.0)
{
return(start);
}
if (keyframe >= 1.0)
{
return(Value);
}
if (double.IsNaN(keyframe))
{
return(start);
}
double v = _spline.GetSplineProgress(keyframe);
return(start + ((Value - start) * v));
}
public override Vector2 Interpolate(Vector2 start, double keyframe)
{
if (keyframe <= 0.0)
{
return(start);
}
if (keyframe >= 1.0)
{
return(Value);
}
if (double.IsNaN(keyframe))
{
return(start);
}
double v = _spline.GetSplineProgress(keyframe);
double x = (start.X + ((Value.X - start.X) * v));
double y = (start.Y + ((Value.Y - start.Y) * v));
return(new Vector2((float)x, (float)y));
}
public override Color Interpolate(Color start, double keyframe)
{
if (keyframe <= 0.0)
{
return(start);
}
if (keyframe >= 1.0)
{
return(Value);
}
if (double.IsNaN(keyframe))
{
return(start);
}
double v = _spline.GetSplineProgress(keyframe);
double a = start.A + ((Value.A - start.A) * v);
double r = start.R + ((Value.R - start.R) * v);
double g = start.G + ((Value.G - start.G) * v);
double b = start.B + ((Value.B - start.B) * v);
return(Color.FromArgb((int)a, (int)r, (int)g, (int)b));
}