public SyncMesh BuildMesh(Obj curObj)
{
SyncMesh syncmesh = new SyncMesh(new SyncId("MeshId_" + curObj.Name), "Mesh_" + curObj.Name);
// Faceの定義に従う。無駄は多くなる
syncmesh.SubMeshes = new List <SyncSubMesh>();
SyncSubMesh submesh = new SyncSubMesh();
for (int j = 0; j < curObj.FaceList.Count; j++)
{
ObjParser.Types.Face face = curObj.FaceList[j];
for (int i = 0; i < face.VertexIndexList.Length; i++)
{
//idx
int vertexIdx = face.VertexIndexList[i] - 1;
int uvIdx = face.TextureVertexIndexList[i] - 1;
int normalIdx = face.NormalIndexList[i] - 1;
//Console.WriteLine(string.Format("index[{0}] vert[{1}] uv[{2}] normal[{3}]",i, vertexIdx+1, uvIdx+1, normalIdx+1));
//ObjParser.Types.Vertex vertex = curObj.VertexList[vertexIdx];
//ObjParser.Types.TextureVertex uv = curObj.TextureList[uvIdx];
//ObjParser.Types.VertexNormal normal = curObj.VertexNormalList[normalIdx];
ObjParser.Types.Vertex vertex = obj.VertexList[vertexIdx];
ObjParser.Types.TextureVertex uv = obj.TextureList[uvIdx];
ObjParser.Types.VertexNormal normal = obj.VertexNormalList[normalIdx];
//頂点
// OpenGL->DirectX変換のため、Xは反転する
syncmesh.Vertices.Add(new Vector3(vertex.X * -1.0f, vertex.Y, vertex.Z)); // 2021.5.26 X軸を反転
syncmesh.Uvs.Add(new Vector2(uv.X, uv.Y));
syncmesh.Normals.Add(new Vector3(normal.X * -1.0f, normal.Y, normal.Z)); // 2021.5.26 X軸を反転
//syncmesh.Normals.Add(new Vector3(0,0,1));
//Console.WriteLine(string.Format("vert={0}\t{1}\t{2}", (float)vertex.X, (float)vertex.Y, (float)vertex.Z));
//index
//submesh.Triangles.Add(i + j * face.VertexIndexList.Length);
// OpenGL->DirectX変換のため、逆順でセットする
submesh.Triangles.Add((face.VertexIndexList.Length - 1 - i) + j * face.VertexIndexList.Length);
}
}
syncmesh.SubMeshes.Add(submesh);
return(syncmesh);
}
public SyncMesh BuildMesh_Legacy(Obj curObj)
{
SyncMesh syncmesh = new SyncMesh(new SyncId("MeshId_" + curObj.Name), "Mesh_" + curObj.Name);
foreach (ObjParser.Types.Vertex vertex in curObj.VertexList)
{
syncmesh.Vertices.Add(new Vector3((float)vertex.X, (float)vertex.Y, (float)vertex.Z));
}
foreach (ObjParser.Types.VertexNormal normal in curObj.VertexNormalList)
{
syncmesh.Normals.Add(new Vector3((float)normal.X, (float)normal.Y, (float)normal.Z));
}
foreach (ObjParser.Types.TextureVertex uv in curObj.TextureList)
{
syncmesh.Uvs.Add(new Vector2((float)uv.X, (float)uv.Y));
}
syncmesh.SubMeshes = new List <SyncSubMesh>();
SyncSubMesh submesh = new SyncSubMesh();
foreach (ObjParser.Types.Face face in curObj.FaceList)
{
//string[] line = face.ToString().Split(' ');
//foreach (string data in line)
//{
// string[] facegeom = data.Split('/');
// int result = 0;
// if (int.TryParse(data, out result))
// {
// submesh.Triangles.Add(result);
// }
//}
foreach (int idx in face.VertexIndexList)
{
submesh.Triangles.Add(idx);
}
}
syncmesh.SubMeshes.Add(submesh);
return(syncmesh);
}