public void WeldVerticesNoEdges()
{
var mesh = new HBMesh <HBVertex2f, HBEdge, HBFace>();
HBVertex2f[] verts = new HBVertex2f[]
{
new HBVertex2f(new Vector2f(-1, 1)),
new HBVertex2f(new Vector2f(1, 1)),
new HBVertex2f(new Vector2f(1, -1)),
new HBVertex2f(new Vector2f(-1, -1)),
new HBVertex2f(new Vector2f(0, 0.1f)),
new HBVertex2f(new Vector2f(0, -0.1f))
};
mesh.Vertices.AddRange(verts);
HBWeldVertices.WeldVertices(mesh, 0.21f);
Assert.AreEqual(5, mesh.Vertices.Count);
Assert.IsTrue(mesh.Vertices.Contains(verts[0]));
Assert.IsTrue(mesh.Vertices.Contains(verts[1]));
Assert.IsTrue(mesh.Vertices.Contains(verts[2]));
Assert.IsTrue(mesh.Vertices.Contains(verts[3]));
Assert.IsTrue(mesh.Vertices.Contains(verts[4]) || mesh.Vertices.Contains(verts[5]));
}
public void InsertEdgeByAngle()
{
Vector2f offset = new Vector2f(-4, 6);
HBVertex2f v0 = new HBVertex2f(offset + new Vector2f(0, 0));
HBVertex2f v1 = new HBVertex2f(offset + new Vector2f(0, -1));
HBVertex2f v2 = new HBVertex2f(offset + new Vector2f(0, 1));
HBVertex2f v3 = new HBVertex2f(offset + new Vector2f(1, 0));
HBVertex2f v4 = new HBVertex2f(offset + new Vector2f(-1, 0));
HBEdge e0 = new HBEdge();
HBEdge e1 = new HBEdge();
HBEdge e2 = new HBEdge();
HBEdge e3 = new HBEdge();
HBEdge e4 = new HBEdge();
HBEdge e5 = new HBEdge();
HBEdge e6 = new HBEdge();
HBEdge e7 = new HBEdge();
e0.Opposite = e1;
e1.Opposite = e0;
e2.Opposite = e3;
e3.Opposite = e2;
e4.Opposite = e5;
e5.Opposite = e4;
e6.Opposite = e7;
e7.Opposite = e6;
v0.InsertEdgeByAngle(e0);
v1.InsertEdgeByAngle(e1);
v2.InsertEdgeByAngle(e3);
v3.InsertEdgeByAngle(e5);
v4.InsertEdgeByAngle(e7);
Assert.AreEqual(v0.Edge, e0);
Assert.AreEqual(e0.Vertex, v0);
Assert.AreEqual(e0.Opposite, e1);
Assert.AreEqual(e0.Next, null);
Assert.AreEqual(e0.Previous, null);
v0.InsertEdgeByAngle(e2);
Assert.AreEqual(e0.Next, e3);
Assert.AreEqual(e1.Previous, e2);
Assert.AreEqual(e2.Next, e1);
Assert.AreEqual(e3.Previous, e0);
v0.InsertEdgeByAngle(e4);
Assert.AreEqual(e0.Next, e5);
Assert.AreEqual(e1.Previous, e2);
Assert.AreEqual(e4.Next, e3);
Assert.AreEqual(e5.Previous, e0);
Assert.AreEqual(e2.Next, e1);
Assert.AreEqual(e3.Previous, e4);
v0.InsertEdgeByAngle(e6);
Assert.AreEqual(e0.Next, e5);
Assert.AreEqual(e1.Previous, e6);
Assert.AreEqual(e2.Next, e7);
Assert.AreEqual(e3.Previous, e4);
Assert.AreEqual(e6.Next, e1);
Assert.AreEqual(e7.Previous, e2);
}
