public void GetEdgeLoops()
{
//Arrange
var vertices = new Vector3[]
{
new Vector3(0f, 0f, 0),
new Vector3(0f, 1f, 0),
new Vector3(0f, 1f, 0),
new Vector3(0.5f, 1f, 0),
new Vector3(1f, 1f, 0),
};
var mesh = new Mesh();
mesh.vertices = vertices;
var meshData = new BzMeshData(mesh, null);
var adapter = new BzManualMeshAdapter(vertices);
BzMeshDataEditor editor = new BzMeshDataEditor(meshData, new Plane(), adapter, false);
editor.CapEdges.Add(new IndexVector(0, 1));
editor.CapEdges.Add(new IndexVector(1, 2));
editor.CapEdges.Add(new IndexVector(2, 3));
editor.CapEdges.Add(new IndexVector(3, 4));
//Act
var loops = editor.GetEdgeLoops();
//Assert
Assert.AreEqual(1, loops.Count);
var loop = loops.Single();
CollectionAssert.AreEqual(new[] { 0, 1, 4 }, LoopToArray(loop));
}
public void GetEdgeLoopsByIndex()
{
//Arrange
BzMeshDataEditor editor = new BzMeshDataEditor(null, new Plane(), null, false);
editor.CapEdges.Add(new IndexVector(1, 5));
editor.CapEdges.Add(new IndexVector(5, 3));
editor.CapEdges.Add(new IndexVector(3, 6));
editor.CapEdges.Add(new IndexVector(6, 7));
editor.CapEdges.Add(new IndexVector(7, 8));
editor.CapEdges.Add(new IndexVector(2, 4));
editor.CapEdges.Add(new IndexVector(4, 9));
editor.CapEdges.Add(new IndexVector(9, 10));
//Act
var loops = editor.GetEdgeLoopsByIndex();
//Assert
Assert.AreEqual(2, loops.Count);
var loop1 = loops.Single(loop => loop.size == 6);
var loop2 = loops.Single(loop => loop.size == 4);
Assert.IsTrue(Enumerable.SequenceEqual(new[] { 1, 5, 3, 6, 7, 8 }, LoopToArray(loop1)));
Assert.IsTrue(Enumerable.SequenceEqual(new[] { 2, 4, 9, 10 }, LoopToArray(loop2)));
}
public void JoinBySameValue()
{
//Arrange
var vertices = new Vector3[]
{
new Vector3(0, 0, 0),
new Vector3(1, 0, 0),
new Vector3(1, 0, 0),
new Vector3(3, 0, 0),
new Vector3(4, 0, 0),
new Vector3(5, 0, 0),
new Vector3(5, 0, 0),
new Vector3(7, 0, 0),
};
var mesh = new Mesh();
mesh.vertices = vertices;
var meshData = new BzMeshData(mesh, null);
var adapter = new BzMockAddapter(vertices);
BzMeshDataEditor editor = new BzMeshDataEditor(meshData, new Plane(), adapter);
editor.CapEdges.Add(new IndexVector(2, 3));
editor.CapEdges.Add(new IndexVector(0, 1));
editor.CapEdges.Add(new IndexVector(4, 5));
editor.CapEdges.Add(new IndexVector(6, 5));
editor.CapEdges.Add(new IndexVector(6, 7));
//Act
var loops = editor.GetEdgeLoopsByIndex();
Assert.AreEqual(3, loops.Count);
editor.EdgeLoops_JoinBySameValue(loops);
//Assert
Assert.AreEqual(2, loops.Count);
var loop1 = loops.Single(loop => loop.first.value == 0 | loop.last.value == 0);
if (loop1.first.value != 0)
{
loop1.Reverse();
}
var loop2 = loops.Single(loop => loop.first.value == 4 | loop.last.value == 4);
if (loop2.first.value != 4)
{
loop2.Reverse();
}
Assert.IsTrue(Enumerable.SequenceEqual(new[] { 0, 1, 3 }, LoopToArray(loop1)));
Assert.IsTrue(Enumerable.SequenceEqual(new[] { 4, 5, 6, 7 }, LoopToArray(loop2)));
}
