/// <summary>
/// Emit a Revit geometry Face object and
/// return the number of resulting triangles.
/// </summary>
public int EmitFace(
Face face,
Color color,
int shininess,
int transparency)
{
Debug.Assert(0 <= shininess,
"expected non-negative shininess");
Debug.Assert(128 >= shininess,
"expected shininess between 0 and 128");
Debug.Assert(0 <= transparency,
"expected non-negative transparency");
Debug.Assert(100 >= transparency,
"expected transparency between 0 and 100");
Debug.Assert(100 * Math.Pow(2, 24) == 1677721600,
"expected shifted transparency to fit into a signed integer");
Debug.Assert(1677721600 < int.MaxValue,
"expected transparency to fit into a signed integer");
++_faceCount;
if (_add_color &&
_color_transparency_lookup
.AddColorTransparency(color,
shininess, transparency))
{
StoreColorTransparency(color, transparency);
}
Mesh mesh = face.Triangulate();
int n = mesh.NumTriangles;
Debug.Print(" {0} mesh triangles", n);
for (int i = 0; i < n; ++i)
{
++_triangleCount;
MeshTriangle t = mesh.get_Triangle(i);
StoreTriangle(t);
}
return(n);
}
/// <summary>
/// Emit a Revit geometry Face object and
/// return the number of resulting triangles.
/// </summary>
public int EmitFace(Element e, Face face, Color color, int transparency)
{
++_faceCount;
var objModel = new ObjModel()
{
UniqueId = e.UniqueId,
Faces = new List <VFace>(),
vt = new List <object>()
};
_objModels.Add(objModel);
// 保存每个实体的材质颜色
if (_add_color && _color_transparency_lookup.AddColorTransparency(color, transparency))
{
// 设置材质颜色id
string name = ObjExportUtil.ColorTransparencyString(color, transparency);
objModel.Mtl = name;
}
Mesh mesh = face.Triangulate(0 / 15.0);
//Mesh mesh = face.Triangulate();
#region 保存 Vertex 及 Triangle 数据
int numTriangles = mesh.NumTriangles;
for (int i = 0; i < numTriangles; ++i)
{
++_triangleCount;
MeshTriangle meshTriangle = mesh.get_Triangle(i);
StoreTriangle(meshTriangle, objModel);
}
#endregion
return(numTriangles);
}
