////////////////////////////////////////////////////////////////////////
/// Semantic Events
void ModelVertex_Click()
{
if (IsSplitting)
{
if (PreviousSplittedVertex != null)
{
Model.AddEdge(PreviousSplittedVertex,
Model.Vertices[OpObject.Index], true);
}
PreviousSplittedVertex = Model.Vertices[OpObject.Index];
Model.UpdateAll();
return;
}
Model.Vertices[OpObject.Index].Selected = true;
Model.UpdateAll();
}
public GridRenderer()
{
SetSource(vertex_shader_source, "", fragment_shader_source);
grid = new MeshGraph();
for (int i = -50; i < 50; i++)
{
MeshVertex v1 = grid.AddVertex(i, 0, -50);
MeshVertex v2 = grid.AddVertex(i, 0, 50);
grid.AddEdge(v1, v2);
}
for (int i = -50; i < 50; i++)
{
MeshVertex v1 = grid.AddVertex(-50, 0, i);
MeshVertex v2 = grid.AddVertex(50, 0, i);
grid.AddEdge(v1, v2);
}
grid.EdgeData.UpdateData();
}
public override void AddMeshGraphUpon(
ref MeshGraph mg, bool selected = true)
{
MeshVertex vorg = mg.AddVertex(0, 0, 0);
MeshVertex vhead = mg.AddVertex(0, 0, Length);
MeshVertex vhead1 = mg.AddVertex(HeadSize / 8, HeadSize / 8, Length - HeadSize);
MeshVertex vhead2 = mg.AddVertex(-HeadSize / 8, HeadSize / 8, Length - HeadSize);
MeshVertex vhead3 = mg.AddVertex(-HeadSize / 8, -HeadSize / 8, Length - HeadSize);
MeshVertex vhead4 = mg.AddVertex(HeadSize / 8, -HeadSize / 8, Length - HeadSize);
mg.AddEdge(vorg, vhead);
mg.AddFacet(vhead1, vhead2, vhead);
mg.AddFacet(vhead2, vhead3, vhead);
mg.AddFacet(vhead3, vhead4, vhead);
mg.AddFacet(vhead4, vhead1, vhead);
}
public SelectionBoxRenderer()
{
SetSource(vertex_shader_source, "", fragment_shader_source);
plane = new MeshGraph();
var v1 = plane.AddVertex(0, 0, 0);
var v2 = plane.AddVertex(0, 1, 0);
var v3 = plane.AddVertex(1, 1, 0);
var v4 = plane.AddVertex(1, 0, 0);
plane.AddFacet(v1, v2, v3, v4);
plane.FacetData.UpdateData();
line = new MeshGraph();
var l1 = line.AddVertex(0, 0, 0);
var l2 = line.AddVertex(1, 1, 0);
line.AddEdge(l1, l2);
line.EdgeData.UpdateData();
}
public void CreateTriangle()
{
MeshVertex v1 = new MeshVertex(1, 0, 1);
MeshVertex v2 = new MeshVertex(2, 1, 0);
MeshVertex v3 = new MeshVertex(1, 3, 1);
MeshGraph mg = new MeshGraph();
mg.AddVertex(v1);
mg.AddVertex(v2);
mg.AddVertex(v3);
MeshEdge e1 = mg.AddEdge(v1, v2);
MeshEdge e2 = mg.AddEdge(v3, v2);
MeshFacet f = mg.AddFacet(v1, v2, v3);
CollectionAssert.Contains(mg.Vertices, v1);
CollectionAssert.Contains(mg.Vertices, v2);
CollectionAssert.Contains(mg.Vertices, v3);
Assert.AreEqual(v1.EdgeConnecting(v2), v2.EdgeConnecting(v1), "", e1);
Assert.AreEqual(v3.EdgeConnecting(v2), v2.EdgeConnecting(v3), "", e2);
CollectionAssert.Contains(mg.Edges, v1.EdgeConnecting(v2));
CollectionAssert.Contains(mg.Edges, v2.EdgeConnecting(v3));
CollectionAssert.Contains(mg.Edges, v3.EdgeConnecting(v1));
CollectionAssert.Contains(e1.AdjacencyFacets, f);
CollectionAssert.Contains(e1.Endpoints, v1);
CollectionAssert.Contains(f.Vertices, v1);
CollectionAssert.Contains(f.Vertices, v2);
CollectionAssert.Contains(f.Vertices, v3);
CollectionAssert.Contains(f.Edges, v1.EdgeConnecting(v2));
CollectionAssert.Contains(f.Edges, v2.EdgeConnecting(v3));
CollectionAssert.Contains(f.Edges, v3.EdgeConnecting(v1));
{ // Remove the facet
MeshGraph rm = mg.Clone();
MeshFacet rmf = rm.Eqv(f);
rm.RemoveFacet(rmf);
CollectionAssert.DoesNotContain(rm.Facets, rmf);
CollectionAssert.DoesNotContain(
rm.Eqv(e1).AdjacencyFacets, rmf);
CollectionAssert.DoesNotContain(
rm.Eqv(e2).AdjacencyFacets, rmf);
}
{ // Remove an edge
MeshGraph rm = mg.Clone();
MeshEdge rme = rm.Eqv(e1);
MeshFacet rmf = rm.Eqv(f);
rm.RemoveEdge(rme);
CollectionAssert.DoesNotContain(rm.Edges, rme);
CollectionAssert.DoesNotContain(rm.Facets, rmf);
CollectionAssert.DoesNotContain(
rme.AdjacencyFacets, rmf);
CollectionAssert.DoesNotContain(
rm.Eqv(e2).AdjacencyFacets, rmf);
}
{ // Remove an vertex
MeshGraph rm = mg.Clone();
MeshVertex rmv = rm.Eqv(v2);
MeshEdge rme1 = rm.Eqv(v2.EdgeConnecting(rm.Eqv(v1)));
MeshEdge rme2 = rm.Eqv(v2.EdgeConnecting(rm.Eqv(v3)));
MeshFacet rmf = rm.Eqv(f);
rm.RemoveVertex(rmv);
CollectionAssert.DoesNotContain(rm.Vertices, rmv);
CollectionAssert.DoesNotContain(rm.Edges, rme1);
CollectionAssert.DoesNotContain(rm.Edges, rme2);
CollectionAssert.DoesNotContain(rm.Facets, rmf);
Assert.AreEqual(rmv.Edges.Count, 0);
foreach (var v in rm.Vertices)
{
Assert.AreEqual(v.Edges.Count, 1);
}
}
}
