//求得电场的水平分量
//调用方法：thisEfield.GetVerticalE(k,l)
public Plural GetHorizonalE(SpectVector k, SpectVector l)
{
SpectVector n = k.CrossMultiplied(l); //入射面的法向量
SpectVector m = k.CrossMultiplied(n).GetNormalizationVector();
Plural p = m.DotMultiplied(this);
return(p);
}
//求得电场的垂直分量
//调用方法：thisEfield.GetVerticalE(k,l)
public Plural GetVerticalE(SpectVector k, SpectVector l) //k为射线传播方向，l为反射中的反射面的法向量或绕射中的与棱平行的向量
{
SpectVector n = k.CrossMultiplied(l).GetNormalizationVector();
Plural p = n.DotMultiplied(this);
return(p);
}
/// <summary>
///获得平面的法向量
/// </summary>
public SpectVector GetNormalVector()
{
SpectVector vector12 = new SpectVector(this.vertices[0], this.vertices[1]);
SpectVector vector13 = new SpectVector(this.vertices[0], this.vertices[2]);
return(vector12.CrossMultiplied(vector13));
}