/// <summary>
/// Load OBJ file
/// </summary>
/// <param name="filename"></param>
/// <param name="faces"></param>
private void LoadModel(string filename, MeshFaces faces)
{
// load model
var reader = new ObjReader();
var objModel = reader.Read(filename, new ModelInfo()
{
Faces = MeshFaces.Default
});
//this.Model = objModel[0].Geometry as MeshGeometry3D;
//this.Model.Colors = this.Model.Positions.Select(x => new Color4(1, 0, 0, 1)).ToArray();
}
/// <summary>
/// load the model from obj-file
/// </summary>
/// <param name="filename">filename</param>
/// <param name="faces">Determines if facades should be treated as triangles (Default) or as quads (Quads)</param>
private void LoadModel(string filename, MeshFaces faces)
{
// load model
var reader = new ObjReader();
var objModel = reader.Read(filename, new ModelInfo()
{
Faces = faces
});
var model = objModel[0].Geometry as MeshGeometry3D;
Model = model;
}
/// <summary>
/// load the model from obj-file
/// </summary>
/// <param name="filename">filename</param>
/// <param name="faces">Determines if facades should be treated as triangles (Default) or as quads (Quads)</param>
private void LoadModel(string filename, MeshFaces faces)
{
// load model
var reader = new ObjReader();
var objModel = reader.Read(filename, new ModelInfo()
{
Faces = faces
});
var model = objModel[0].Geometry as MeshGeometry3D;
model.Colors = new Color4Collection(model.Positions.Select(x => new Color4(1, 0, 0, 1)));
DefaultModel = model;
}
/// <summary>
/// load the model from obj-file
/// </summary>
/// <param name="filename">filename</param>
/// <param name="faces">Determines if facades should be treated as triangles (Default) or as quads (Quads)</param>
private void LoadModel(string filename, MeshFaces faces)
{
// load model
var reader = new ObjReader();
var objModel = reader.Read(filename, new ModelInfo() { Faces = faces });
this.DefaultModel = objModel[0].Geometry as MeshGeometry3D;
this.DefaultModel.Colors = new Color4Collection(this.DefaultModel.Positions.Select(x => new Color4(1, 0, 0, 1)));
}
public void ComputeTangents(MeshFaces meshFaces)
{
switch (meshFaces)
{
case MeshFaces.Default:
if (this.positions != null & this.triangleIndices != null & this.normals != null & this.textureCoordinates != null)
{
Vector3Collection t1, t2;
ComputeTangents(this.positions, this.normals, this.textureCoordinates, this.triangleIndices, out t1, out t2);
this.tangents = t1;
this.bitangents = t2;
}
break;
case MeshFaces.QuadPatches:
if (this.positions != null & this.triangleIndices != null & this.normals != null & this.textureCoordinates != null)
{
Vector3Collection t1, t2;
ComputeTangentsQuads(this.positions, this.normals, this.textureCoordinates, this.triangleIndices, out t1, out t2);
this.tangents = t1;
this.bitangents = t2;
}
break;
default:
break;
}
}
public void ComputeNormalsAndTangents(MeshFaces meshFaces, bool tangents = false)
{
if (!this.HasNormals & this.positions != null & this.triangleIndices != null)
{
Vector3D[] n;
ComputeNormals(this.positions, this.triangleIndices, out n);
this.normals = n.ToList();
}
switch (meshFaces)
{
case MeshFaces.Default:
if (tangents & this.HasNormals & this.textureCoordinates != null)
{
Point3DCollection t1, t2;
ComputeTangents(this.positions, this.normals, this.textureCoordinates, this.triangleIndices, out t1, out t2);
this.tangents = t1;
this.bitangents = t2;
}
break;
case MeshFaces.QuadPatches:
if (tangents & this.HasNormals & this.textureCoordinates != null)
{
Point3DCollection t1, t2;
ComputeTangentsQuads(this.positions, this.normals, this.textureCoordinates, this.triangleIndices, out t1, out t2);
this.tangents = t1;
this.bitangents = t2;
}
break;
default:
break;
}
}
