public static TriMesh ConvertToTriMesh(NonManifoldMesh mesh)
{
TriMesh triMesh = new GraphicResearchHuiZhao.TriMesh();
triMesh.Traits.HasFaceVertexNormals = true;
triMesh.Traits.HasTextureCoordinates = true;
if (mesh.VertexNormal == null)
{
triMesh.Traits.HasFaceVertexNormals = false;
}
else
{
triMesh.Traits.HasFaceVertexNormals = true;
}
if (mesh.TextextCoordinate == null)
{
triMesh.Traits.HasTextureCoordinates = false;
}
else
{
triMesh.Traits.HasTextureCoordinates = true;
}
int vertexCount = mesh.VertexCount;
int faceCount = mesh.FaceCount;
for (int i = 0; i < vertexCount; i++)
{
VertexTraits traits = new VertexTraits((float)mesh.VertexPos[i * 3], (float)mesh.VertexPos[i * 3 + 1], (float)mesh.VertexPos[i * 3 + 2]);
triMesh.Vertices.Add(traits);
}
TriMesh.Vertex[] vertices = new TriMesh.Vertex[3];
for (int i = 0; i < faceCount; i++)
{
vertices[0] = triMesh.Vertices[mesh.FaceIndex[i * 3]];
vertices[1] = triMesh.Vertices[mesh.FaceIndex[i * 3 + 1]];
vertices[2] = triMesh.Vertices[mesh.FaceIndex[i * 3 + 2]];
triMesh.Faces.AddTriangles(vertices);
}
if (triMesh.Traits.HasTextureCoordinates)
{
TriMesh.HalfEdge faceVertex;
foreach (TriMesh.Face face in triMesh.Faces)
{
foreach (TriMesh.Vertex vertex in face.Vertices)
{
faceVertex = face.FindHalfedgeTo(vertex);
if (faceVertex != null) // Make sure vertex belongs to face if triangularization is on
{
faceVertex.Traits.TextureCoordinate = new Vector2D(mesh.TextextCoordinate[vertex.Index * 2], mesh.TextextCoordinate[vertex.Index * 2 + 1]);
}
}
}
}
if (triMesh.Traits.HasFaceVertexNormals)
{
TriMesh.HalfEdge faceVertex;
foreach (TriMesh.Face face in triMesh.Faces)
{
foreach (TriMesh.Vertex vertex in face.Vertices)
{
faceVertex = face.FindHalfedgeTo(vertex);
if (faceVertex != null) // Make sure vertex belongs to face if triangularization is on
{
faceVertex.Traits.Normal = new Vector3D(mesh.FaceNormal, vertex.Index);
}
}
}
}
//if (triMesh.Traits.HasTextureCoordinates)
//{
// foreach (HalfEdgeMesh.TriMesh.Vertex vertex in triMesh.Vertices )
// {
// vertex.Traits.TextureCoordinate = new Vector2d(mesh.TextextCoordinate[vertex.Index * 2], mesh.TextextCoordinate[vertex.Index * 2 + 1]);
// }
//}
//if (triMesh.Traits.HasFaceVertexNormals)
//{
// foreach (HalfEdgeMesh.TriMesh.Vertex vertex in triMesh.Vertices)
// {
// vertex.Traits.Normal = new Vector3d(mesh.FaceNormal, vertex.Index);
// }
//}
return triMesh;
}
public static TriMesh ConvertToTriMesh(NonManifoldMesh mesh)
{
TriMesh triMesh = new GraphicResearchHuiZhao.TriMesh();
triMesh.Traits.HasFaceVertexNormals = true;
triMesh.Traits.HasTextureCoordinates = true;
if (mesh.VertexNormal == null)
{
triMesh.Traits.HasFaceVertexNormals = false;
}
else
{
triMesh.Traits.HasFaceVertexNormals = true;
}
if (mesh.TextextCoordinate == null)
{
triMesh.Traits.HasTextureCoordinates = false;
}
else
{
triMesh.Traits.HasTextureCoordinates = true;
}
int vertexCount = mesh.VertexCount;
int faceCount = mesh.FaceCount;
for (int i = 0; i < vertexCount; i++)
{
VertexTraits traits = new VertexTraits((float)mesh.VertexPos[i * 3], (float)mesh.VertexPos[i * 3 + 1], (float)mesh.VertexPos[i * 3 + 2]);
triMesh.Vertices.Add(traits);
}
TriMesh.Vertex[] vertices = new TriMesh.Vertex[3];
for (int i = 0; i < faceCount; i++)
{
vertices[0] = triMesh.Vertices[mesh.FaceIndex[i * 3]];
vertices[1] = triMesh.Vertices[mesh.FaceIndex[i * 3 + 1]];
vertices[2] = triMesh.Vertices[mesh.FaceIndex[i * 3 + 2]];
triMesh.Faces.AddTriangles(vertices);
}
if (triMesh.Traits.HasTextureCoordinates)
{
TriMesh.HalfEdge faceVertex;
foreach (TriMesh.Face face in triMesh.Faces)
{
foreach (TriMesh.Vertex vertex in face.Vertices)
{
faceVertex = face.FindHalfedgeTo(vertex);
if (faceVertex != null) // Make sure vertex belongs to face if triangularization is on
{
faceVertex.Traits.TextureCoordinate = new Vector2D(mesh.TextextCoordinate[vertex.Index * 2], mesh.TextextCoordinate[vertex.Index * 2 + 1]);
}
}
}
}
if (triMesh.Traits.HasFaceVertexNormals)
{
TriMesh.HalfEdge faceVertex;
foreach (TriMesh.Face face in triMesh.Faces)
{
foreach (TriMesh.Vertex vertex in face.Vertices)
{
faceVertex = face.FindHalfedgeTo(vertex);
if (faceVertex != null) // Make sure vertex belongs to face if triangularization is on
{
faceVertex.Traits.Normal = new Vector3D(mesh.FaceNormal, vertex.Index);
}
}
}
}
//if (triMesh.Traits.HasTextureCoordinates)
//{
// foreach (HalfEdgeMesh.TriMesh.Vertex vertex in triMesh.Vertices )
// {
// vertex.Traits.TextureCoordinate = new Vector2d(mesh.TextextCoordinate[vertex.Index * 2], mesh.TextextCoordinate[vertex.Index * 2 + 1]);
// }
//}
//if (triMesh.Traits.HasFaceVertexNormals)
//{
// foreach (HalfEdgeMesh.TriMesh.Vertex vertex in triMesh.Vertices)
// {
// vertex.Traits.Normal = new Vector3d(mesh.FaceNormal, vertex.Index);
// }
//}
return(triMesh);
}
