public AdnMeshData(
VertexLookupInt vertices,
List <int> vertexIndices,
NormalLookupXyz normals,
List <int> normalIndices,
PointInt center,
Color color,
double transparency,
string id)
{
int n = vertexIndices.Count;
Debug.Assert(0 == (n % 3),
"expected triples of 3D point vertex indices");
Debug.Assert(normalIndices.Count == n,
"expected a normal for each vertex");
FacetCount = n / 3;
n = vertices.Count;
VertexCount = n;
VertexCoords = new int[n * 3];
int i = 0;
foreach (PointInt p in vertices.Keys)
{
VertexCoords[i++] = p.X;
VertexCoords[i++] = p.Y;
VertexCoords[i++] = p.Z;
}
VertexIndices = vertexIndices.ToArray();
n = normals.Count;
Normals = new double[n * 3];
i = 0;
foreach (XYZ v in normals.Keys)
{
Normals[i++] = v.X;
Normals[i++] = v.Y;
Normals[i++] = v.Z;
}
NormalIndices = normalIndices.ToArray();
Center = new int[3];
i = 0;
Center[i++] = center.X;
Center[i++] = center.Y;
Center[i] = center.Z;
byte alpha = (byte)(
(100 - transparency) * 2.55555555);
Color = ConvertClr(
color.Red, color.Green, color.Blue, alpha);
Id = id;
}
/// <summary>
/// Store a triangle, adding new vertices for it
/// to our vertex lookup dictionary if needed and
/// accumulating its volume and centroid contribution.
/// </summary>
void StoreTriangle(
IList <XYZ> vertices,
PolymeshFacet triangle,
XYZ normal)
{
// Retrieve the three triangle vertices
Transform currentTransform = CurrentTransform;
XYZ[] p = new XYZ[] {
currentTransform.OfPoint(vertices[triangle.V1]),
currentTransform.OfPoint(vertices[triangle.V2]),
currentTransform.OfPoint(vertices[triangle.V3])
};
// Ensure the three are ordered counter-clockwise
//XYZ v = p[1] - p[0];
//XYZ w = p[2] - p[0];
//Debug.Assert( Util.IsRightHanded( v, w, normal ),
// "expected counter-clockwise vertex order" );
// Centroid and volume calculation
_centroid_volume.AddTriangle(p);
// Store vertex, facet and normals
for (int i = 0; i < 3; ++i)
{
PointInt q = new PointInt(p[i]);
_triangles.Add(_vertices.AddVertex(q));
_normalIndices.Add(_normals.AddNormal(
currentTransform.OfVector(normal)));
}
}
