public UInt32 createTriangleMesh(
Tuple <double, double, double>[] P,
Tuple <UInt32, UInt32, UInt32>[] PI,
Tuple <double, double, double>[] N,
Tuple <UInt32, UInt32, UInt32>[] NI)
{
if (PI.Length != NI.Length)
{
throw new InvalidOperationException();
}
var tess = new PRC3DTess();
var tessFace = new PRCTessFace();
tessFace.used_entities_flag = PRCTessFace.PRC_FACETESSDATA_Triangle;
tessFace.number_of_texture_coordinate_indexes = 0;
foreach (var p in P)
{
tess.coordinates.Add(p.Item1);
tess.coordinates.Add(p.Item2);
tess.coordinates.Add(p.Item3);
}
foreach (var p in N)
{
tess.normal_coordinate.Add(p.Item1);
tess.normal_coordinate.Add(p.Item2);
tess.normal_coordinate.Add(p.Item3);
}
for (int i = 0; i < PI.Length; i++)
{
tess.triangulated_index.Add(3 * NI[i].Item1);
tess.triangulated_index.Add(3 * PI[i].Item1);
tess.triangulated_index.Add(3 * NI[i].Item2);
tess.triangulated_index.Add(3 * PI[i].Item2);
tess.triangulated_index.Add(3 * NI[i].Item3);
tess.triangulated_index.Add(3 * PI[i].Item3);
}
tessFace.sizes_triangulated.Add((UInt32)PI.Length);
tess.face_tessellation.Add(tessFace);
_tessellations.Add(tess);
return((UInt32)(_tessellations.Count - 1));
}
public void SerializeContentTessFace(PRCTessFace t)
{
WriteUint32(PRCType.PRC_TYPE_TESS_Face);
WriteUInt32List(t.line_attributes);
WriteUint32(t.start_wire);
WriteUInt32List(t.sizes_wire);
WriteUint32(t.used_entities_flag);
WriteUint32(t.start_triangulated);
WriteUInt32List(t.sizes_triangulated);
WriteUint32(t.number_of_texture_coordinate_indexes);
WriteBool(false); //HasVertexColors = False
if (t.line_attributes.Count > 0)
{
WriteUint32(t.behaviour);
}
}