public SolidColorBrush RgbLigth(SolidColorBrush color, IFacet face, IEnumerable <double> viewVector, bool kostil = false)
{
var enumerable = viewVector as IList <double> ?? viewVector.ToList();
var cos = FaceParameter.GetCos(FaceParameter.GetNormal(face),
FaceParameter.GetViewVector(new Vertex()
{
X = enumerable[0],
Y = enumerable[1],
Z = enumerable[2]
},
FaceParameter.GetCenter(face)));
//if (face.NameFigure == nameof(Parallelepiped) && kostil)
//{
// if (enumerable[1] == 5000)
// {
// return new SolidColorBrush(Color.FromRgb(0, 0, 0));
// }
//}
double light = Ia * Ka + Il * Kd * cos;
light = light < 0 ? 0 : light > 255 ? 255 : light;
if (enumerable[2] == 0)
{
light = 255 - light;
}
var res = light / 255;
double r = color.Color.R * res;
double g = color.Color.G * res;
double b = color.Color.B * res;
var newColor = new SolidColorBrush(Color.FromRgb((byte)r,
(byte)g,
(byte)b));
return(newColor);
}
private static bool IsHiddenCoord(IEnumerable<double> a, IEnumerable<double> b)
{
var cos = FaceParameter.GetCos(a, b);
return cos < 0.001;
}