public void Execute(Sculptor sculptor)
{
_writer = new StreamWriter(String.Format("{0}.obj", ModelName));
_out = new IndentedTextWriter(_writer);
try
{
_out.WriteLine("# Exported by Perspective for WPF, {0}", Perspective.Core.LibraryInfo.Copyright);
_out.WriteLine("g {0}", this.ModelName);
_out.WriteLine();
//foreach (int vertexIndice in Element.Sculptor.Mesh.TriangleIndices)
//{
// Generator.MakeVertex(Element.Sculptor.Mesh.Positions[vertexIndice]);
// /*
// Point p = Element.Sculptor.Mesh.TextureCoordinates[vertexIndice];
// Generator.MakeTextureCoordinates(p);
// if (Element.Sculptor.Mesh.Normals.Count >= vertexIndice + 1)
// {
// Vector3D v = Element.Sculptor.Mesh.Normals[vertexIndice];
// Generator.MakeNormal(v);
// }
// * */
//}
for (int vertexIndice = sculptor.Mesh.TriangleIndices.Count - 1; vertexIndice >= 0; vertexIndice--)
// foreach (int vertexIndice in sculptor.Mesh.TriangleIndices)
{
//if (vertexIndice % 3 == 0)
//{
// Generator.MakeFaceIndicesHeader(); // OBJ
//}
//Generator.MakeFaceIndice(vertexIndice); // OBJ
//Generator.MakeFaceIndice(
// vertexIndice,
// sculptor.Mesh.TextureCoordinates.IndexOf(
// sculptor.Mesh.TextureCoordinates[vertexIndice]),
// sculptor.Mesh.Normals.IndexOf(
// sculptor.Mesh.Normals[vertexIndice]));
Point3D p = sculptor.Mesh.Positions[vertexIndice];
_out.WriteLine("v {0} {1} {2}", p.X, p.Y, p.Z);
if (vertexIndice % 3 == 0)
{
// _out.WriteLine("f {0} {1} {2}", vertexIndice - 2, vertexIndice - 1, vertexIndice);
// _out.WriteLine("f {0} {1} {2}", vertexIndice, vertexIndice - 1, vertexIndice - 2);
// _out.WriteLine("f {0} {1} {2}", vertexIndice, vertexIndice + 1, vertexIndice + 2);
_out.WriteLine("f {0} {1} {2}", vertexIndice + 2, vertexIndice + 1, vertexIndice);
_out.WriteLine();
}
}
_out.WriteLine();
}
finally
{
_writer.Close();
}
}
/// <summary>
/// Invalidates the mesh of the visual.
/// </summary>
public void InvalidateMesh()
{
GraphicsDevice graphicsDevice = Helper3D.GraphicsDevice;
_sculptor = CreateSculptor();
_sculptor.BuildMesh();
_vertexBuffer = new DynamicVertexBuffer( // DynamicVertexBuffer enables dynamic scene modification
graphicsDevice,
VertexPositionTextureNormal.VertexDeclaration,
_sculptor.VertexPositionTextureNormals.Length,
BufferUsage.WriteOnly);
// code block moved to OnRender to enable GraphicsDevice.SetVertexBuffer(null)
//graphicsDevice.SetVertexBuffer(null); // to prevent InvalidOperationException during _vertexBuffer.SetData()
//_vertexBuffer.SetData(0, _sculptor.VertexPositionTextureNormals, 0, _sculptor.VertexPositionTextureNormals.Length, 0);
//graphicsDevice.SetVertexBuffer(_vertexBuffer);
}
/// <summary>
/// Saves the data in a STL file.
/// </summary>
public void Save()
{
var sculptor = new Sculptor(Sculptor);
if (PointsTransform != null)
{
sculptor.Transform(PointsTransform);
}
_writer = new StreamWriter(String.Format("{0}.stl", ModelName));
_out = new IndentedTextWriter(_writer);
_out.WriteLine("solid {0}", ModelName);
_out.Indent++;
try
{
foreach (int vertexIndice in sculptor.Mesh.TriangleIndices)
{
if (vertexIndice % 3 == 0)
{
_out.WriteLine("facet");
_out.Indent++;
_out.WriteLine("outer loop");
_out.Indent++;
}
Point3D p = sculptor.Mesh.Positions[vertexIndice];
_out.WriteLine("vertex {0} {1} {2}", p.X, p.Y, p.Z);
if (vertexIndice % 3 == 2)
{
_out.Indent--;
_out.WriteLine("endloop");
_out.Indent--;
_out.WriteLine("endfacet");
}
}
_out.Indent--;
_out.WriteLine("endsolid ", ModelName);
}
finally
{
_writer.Close();
}
}
