public void ProcessVertex_ShouldApplyNewValuesOfMaxAndMinVertex()
{
Mesh mesh = new Mesh();
ObjParsingWorker worker = new ObjParsingWorker();
float x = 1.000000f;
float y = 1.000000f;
float z = 1.000000f;
string line = $"v {x} {y} {z}";
worker.ProcessVertex(line, mesh);
x = -1.000000f;
y = -1.000000f;
z = -1.000000f;
line = $"v {x} {y} {z}";
worker.ProcessVertex(line, mesh);
Assert.That(mesh.MinVertex.X, Is.EqualTo(x));
Assert.That(mesh.MinVertex.Y, Is.EqualTo(y));
Assert.That(mesh.MinVertex.Z, Is.EqualTo(z));
x = 2.000000f;
y = 2.000000f;
z = 2.000000f;
line = $"v {x} {y} {z}";
worker.ProcessVertex(line, mesh);
Assert.That(mesh.MaxVertex.X, Is.EqualTo(x));
Assert.That(mesh.MaxVertex.Y, Is.EqualTo(y));
Assert.That(mesh.MaxVertex.Z, Is.EqualTo(z));
}
public void ProcessFace_ThrowsWhenSubmeshCollecionIsEmpty()
{
Mesh mesh = new Mesh();
ObjParsingWorker worker = new ObjParsingWorker();
Assert.That(() => worker.ProcessFace(string.Empty, mesh), Throws.InvalidOperationException);
}
public void ProcessVertex_ShouldAddVector3ToTheLastSubmeshAndAssingMinVertex()
{
Mesh mesh = new Mesh();
ObjParsingWorker worker = new ObjParsingWorker();
int baseSubmeshCount = mesh.SubMeshes.Count;
float x = 1.000000f;
float y = 1.000000f;
float z = 1.000000f;
string line = $"v {x} {y} {z}";
worker.ProcessVertex(line, mesh);
Assert.That(mesh.SubMeshes.Count, Is.EqualTo(baseSubmeshCount + 1));
Assert.That(mesh.SubMeshes.Last().Vertices.Count, Is.EqualTo(1));
Vector3 lastVerticle = mesh.SubMeshes.Last().Vertices.First();
Assert.That(lastVerticle.X, Is.EqualTo(x));
Assert.That(lastVerticle.Y, Is.EqualTo(y));
Assert.That(lastVerticle.Z, Is.EqualTo(z));
Assert.That(mesh.MinVertex.X, Is.EqualTo(x));
Assert.That(mesh.MinVertex.Y, Is.EqualTo(y));
Assert.That(mesh.MinVertex.Z, Is.EqualTo(z));
Assert.That(mesh.MaxVertex.X, Is.EqualTo(x));
Assert.That(mesh.MaxVertex.Y, Is.EqualTo(y));
Assert.That(mesh.MaxVertex.Z, Is.EqualTo(z));
}
public void ProcessVertex_ShouldAddSubmeshIfCollectionIsEmpty()
{
Mesh mesh = new Mesh();
ObjParsingWorker worker = new ObjParsingWorker();
int baseSubmeshCount = mesh.SubMeshes.Count;
worker.ProcessVertex(string.Empty, mesh);
Assert.That(mesh.SubMeshes.Count, Is.EqualTo(baseSubmeshCount + 1));
}
public void ProcessObject_ShouldAddNewSubmesh()
{
Mesh mesh = new Mesh();
int baseSubmeshCount = mesh.SubMeshes.Count;
ObjParsingWorker worker = new ObjParsingWorker();
worker.ProcessObject(string.Empty, mesh);
Assert.That(mesh.SubMeshes.Count, Is.EqualTo(baseSubmeshCount + 1));
}
public void ProcessNormal_ShouldReturnWhereThereIsInvalidNumberOfTokens(string line)
{
Mesh mesh = new Mesh();
mesh.SubMeshes.Add(new SubMesh());
ObjParsingWorker worker = new ObjParsingWorker();
worker.ProcessNormal(line, mesh);
Assert.That(mesh.SubMeshes.Last().Textures, Is.Empty);
}
public void ProcessFace_ShouldAddFaceItemWithoutVertex()
{
Mesh mesh = new Mesh();
mesh.SubMeshes.Add(new SubMesh());
ObjParsingWorker worker = new ObjParsingWorker();
string line = "f ";
worker.ProcessFace(line, mesh);
Assert.That(mesh.SubMeshes.Last().Faces.First().Items.Count, Is.EqualTo(1));
FaceItem faceItem = mesh.SubMeshes.Last().Faces.First().Items.First();
Assert.That(faceItem.Vertex, Is.EqualTo(default(uint)));
}
public void ProcessFace_ShouldAddFaceWithOneFaceItemWithVertex()
{
Mesh mesh = new Mesh();
mesh.SubMeshes.Add(new SubMesh());
ObjParsingWorker worker = new ObjParsingWorker();
uint value = 3;
string line = $"f {value}";
worker.ProcessFace(line, mesh);
Assert.That(mesh.SubMeshes.Last().Faces.First().Items.Count, Is.EqualTo(1));
FaceItem faceItem = mesh.SubMeshes.Last().Faces.First().Items.First();
Assert.That(faceItem.Vertex, Is.EqualTo(value));
}
public void ProcessFace_ShouldAddFaceWithOneFaceItemWithVertexAndTexture()
{
Mesh mesh = new Mesh();
mesh.SubMeshes.Add(new SubMesh());
ObjParsingWorker worker = new ObjParsingWorker();
uint x = 3;
uint y = 4;
string line = $"f {x}/{y}";
worker.ProcessFace(line, mesh);
Assert.That(mesh.SubMeshes.Last().Faces.First().Items.Count, Is.EqualTo(1));
FaceItem faceItem = mesh.SubMeshes.Last().Faces.First().Items.First();
Assert.That(faceItem.Vertex, Is.EqualTo(x));
Assert.That(faceItem.Texture, Is.EqualTo(y));
}
public void ProcessTextCoord_ShouldAddTextureToTheLastSubmesh()
{
Mesh mesh = new Mesh();
mesh.SubMeshes.Add(new SubMesh());
mesh.SubMeshes.Add(new SubMesh());
float x = 1.000000f;
float y = 1.000000f;
string line = $"t {x} {y}";
ObjParsingWorker worker = new ObjParsingWorker();
worker.ProcessTextCoord(line, mesh);
Vector3 lastTexture = mesh.SubMeshes.Last().Textures.First();
Assert.That(lastTexture.X, Is.EqualTo(x));
Assert.That(lastTexture.Y, Is.EqualTo(y));
}