/// <summary>
/// Converts the array to an array of float points
/// </summary>
/// <returns>array of float points</returns>
public xyzf[] ToFArray()
{
xyzf[] Result = new xyzf[Count];
for (int i = 0; i < Count; i++)
{
Result[i] = new xyzf((float)data[i].x, (float)data[i].y, (float)data[i].z);
}
return(Result);
}
/// <summary>
/// internal.
/// </summary>
/// <param name="Device"></param>
/// <param name="Indices"></param>
/// <param name="Points"></param>
/// <param name="Texture"></param>
public static void drawTriangles2d(OpenGlDevice Device, List <IndexType> Indices, xyf[] Points, xyf[] Texture)
{ //ok
refIndices = Indices.ToArray();
refPoints2d = Points;
refTexture = Texture;
double dir = 1;
for (int i = 0; i < Indices.Count; i += 3)
{
xy A = new xy(Points[Indices[i + 1]].x - Points[Indices[i]].x, Points[Indices[i + 1]].y - Points[Indices[i]].y);
xy B = new xy(Points[Indices[i + 2]].x - Points[Indices[i]].x, Points[Indices[i + 2]].y - Points[Indices[i]].y);
double F = A & B;
if (System.Math.Abs(F) > 0.0001)
{
if (F < 0)
{
dir = 1; // schaut welche Richtung der Normal vektor haben muss
}
else
{
dir = -1;
}
break;
}
}
xyzf[] Normals = new xyzf[Points.Length];
for (int i = 0; i < Points.Length; i++)
{
Normals[i] = new xyz(0, 0, dir).toXYZF();
}
xyzf[] _Points = new xyzf[Points.Length];
for (int i = 0; i < Points.Length; i++)
{
_Points[i] = new xyzf(Points[i].x, Points[i].y, 0);
}
refNormals = Normals;
Primitives3d.drawTriangles(Device, Indices.ToArray(), _Points, Normals, Texture, null);
}