public static Autodesk.DesignScript.Geometry.Mesh ToProtoType(this Autodesk.Revit.DB.Mesh mesh)
{
var pts = mesh.Vertices.Select(x => x.ToPoint()).ToArray();
var tris = Enumerable.Range(0, mesh.NumTriangles)
.Select(mesh.get_Triangle)
.Select(tri => IndexGroup.ByIndices(tri.get_Index(0), tri.get_Index(1), tri.get_Index(2)))
.ToArray();
return(Autodesk.DesignScript.Geometry.Mesh.ByPointsFaceIndices(pts, tris));
}
public static void PushMesh(Autodesk.Revit.DB.Mesh mesh, IRenderPackage package)
{
for (var i = 0; i < mesh.NumTriangles; i++)
{
var triangle = mesh.get_Triangle(i);
for (var j = 0; j < 3; j++)
{
var xyz = triangle.get_Vertex(j);
package.PushTriangleVertex(xyz.X, xyz.Y, xyz.Z);
}
var a = mesh.get_Triangle(i).get_Vertex(1).Subtract(mesh.get_Triangle(i).get_Vertex(0)).Normalize();
var b = mesh.get_Triangle(i).get_Vertex(2).Subtract(mesh.get_Triangle(i).get_Vertex(0)).Normalize();
var norm = a.CrossProduct(b);
package.PushTriangleVertexNormal(norm.X, norm.Y, norm.Z);
package.PushTriangleVertexNormal(norm.X, norm.Y, norm.Z);
package.PushTriangleVertexNormal(norm.X, norm.Y, norm.Z);
}
}
