public void PolygonizeTripleOutsideToInsideFinish()
{
var clockwise = new[]
{
new Vertex(1, 0),
new Vertex(0, 1),
new Vertex(2, 2),
new Vertex(1, 2),
new Vertex(0, 3),
new Vertex(2, 4),
new Vertex(1, 4),
new Vertex(0, 5),
new Vertex(1, 6),
new Vertex(4, 6),
new Vertex(5, 5),
new Vertex(4, 4.5f),
new Vertex(3, 3.5f),
new Vertex(4, 2.5f),
new Vertex(3, 1.5f),
new Vertex(4, 0.5f),
new Vertex(5.5f, 1),
new Vertex(4.5f, 0),
};
var planeMeshBuilder = new PlanePolygonBuilder(new Plane(new Vector3(0, 0, -1), 0));
var last = clockwise.Last();
foreach (var dot in clockwise)
{
planeMeshBuilder.AddEdge(new Vector3(last.X, last.Y, 0), new Vector3(dot.X, dot.Y, 0));
last = dot;
}
planeMeshBuilder.Build();
}
public void PolygonizeForm1()
{
var clockwise = new[]
{
new Vertex(1, 1),
new Vertex(2.5f, 2),
new Vertex(2, 2),
new Vertex(1, 3),
new Vertex(2, 4),
new Vertex(4, 4),
new Vertex(1.5f, 3),
new Vertex(2.5f, 3),
new Vertex(4, 3.5f),
// new Vertex(2.25f, 2.5f),
new Vertex(3, 2.5f),
new Vertex(4, 1.5f),
new Vertex(3.5f, 1),
new Vertex(2.5f, 1),
};
var counter = new[]
{
new Vertex(3, 3),
new Vertex(2, 2.5f),
new Vertex(3, 2),
new Vertex(2.5f, 2.5f),
};
var planeMeshBuilder = new PlanePolygonBuilder(new Plane(new Vector3(0, 0, -1), 0));
var last = clockwise.Last();
foreach (var vertex in clockwise)
{
planeMeshBuilder.AddEdge(new Vector3(last.X, last.Y, 0), new Vector3(vertex.X, vertex.Y, 0));
last = vertex;
}
last = counter.Last();
foreach (var dot in counter)
{
planeMeshBuilder.AddEdge(new Vector3(last.X, last.Y, 0), new Vector3(dot.X, dot.Y, 0));
last = dot;
}
var result = planeMeshBuilder.Build();
for (int i = 0; i < result.Triangles.Length; i += 3)
{
this.TestContext.WriteLine($"{result.Triangles[i + 0]} {result.Triangles[i + 1]} {result.Triangles[i + 2]}");
}
Assert.AreEqual(3 * 17, result.Triangles.Length);
}
public void BadSelfCrossing()
{
var builder = new PlanePolygonBuilder(new Plane());
builder.AddEdge(new Vector3(1, 0, 0), new Vector3(1, 3, 0));
builder.AddEdge(new Vector3(1, 3, 0), new Vector3(3, 1, 0));
builder.AddEdge(new Vector3(3, 1, 0), new Vector3(3, 3, 0));
builder.AddEdge(new Vector3(3, 3, 0), new Vector3(1, 0, 0));
builder.Build();
Assert.Fail("May not reach this point");
}