public double TabelaNormal(double porcentagem)
{
porcentagem /= 2;
if (TabelaNormalData.ContainsKey(porcentagem))
{
return(TabelaNormalData[porcentagem]);
}
// Calculando o mais proximo
var menorTstudent = new TNormal(TabelaNormalData.AsEnumerable().First(), porcentagem);
foreach (var(key, value) in TabelaNormalData.AsEnumerable())
{
var testeMenor = Math.Abs(key - porcentagem);
// Compliquei aqui....
if (testeMenor < menorTstudent.Diferenca)
{
menorTstudent.Diferenca = testeMenor;
menorTstudent.Key = key;
menorTstudent.Value = value;
}
}
return(menorTstudent.Value);
}
//{------------------------------------------------------------------}
//{ Function to normalize a vector }
//{------------------------------------------------------------------}
internal void Normalize(ref TNormal vector)
{
// Calculates The Length Of The Vector
float length = (float)Math.Sqrt((vector.X * vector.X) + (vector.Y * vector.Y) + (vector.Z * vector.Z));
if (length == 0)
{
length = 1;
}
vector.X = vector.X / length;
vector.Y = vector.Y / length;
vector.Z = vector.Z / length;
}
//{------------------------------------------------------------------}
//{ Function to calculate the normal given 2 vectors (3 vertices) }
//{------------------------------------------------------------------}
internal TNormal calcNormal(TVertex[] v)
{
TVertex a = new TVertex();
TVertex b = new TVertex();
TNormal result = new TNormal();
// Calculate The Vector From Point 1 To Point 0
a.X = v[0].X - v[1].X;
a.Y = v[0].Y - v[1].Y;
a.Z = v[0].Z - v[1].Z;
// Calculate The Vector From Point 2 To Point 1
b.X = v[1].X - v[2].X;
b.Y = v[1].Y - v[2].Y;
b.Z = v[1].Z - v[2].Z;
// Compute The Cross Product To Give Us A Surface Normal
result.X = a.Y * b.Z - a.Z * b.Y; // Cross Product For Y - Z
result.Y = a.Z * b.X - a.X * b.Z; // Cross Product For Z - X
result.Z = a.X * b.Y - a.Y * b.X; // Cross Product For X - Y
Normalize(ref result); // Normalize The Vectors
return(result);
}
