public static void Tessellate(List <Vector2> vertices, List <IndexedEdge> indexedEdges, List <Hole> holes, List <int> indices, float tessellationAmount)
{
if (tessellationAmount <= 0f)
{
return;
}
indices.Clear();
if (vertices.Count >= 3)
{
InputGeometry inputGeometry = new InputGeometry(vertices.Count);
for (int i = 0; i < vertices.Count; ++i)
{
Vector2 vertex = vertices[i];
inputGeometry.AddPoint(vertex.x, vertex.y);
}
for (int i = 0; i < indexedEdges.Count; ++i)
{
IndexedEdge edge = indexedEdges[i];
inputGeometry.AddSegment(edge.index1, edge.index2);
}
for (int i = 0; i < holes.Count; ++i)
{
Vector2 hole = holes[i].vertex;
inputGeometry.AddHole(hole.x, hole.y);
}
TriangleNet.Mesh triangleMesh = new TriangleNet.Mesh();
TriangleNet.Tools.Statistic statistic = new TriangleNet.Tools.Statistic();
triangleMesh.Triangulate(inputGeometry);
triangleMesh.Behavior.MinAngle = 20.0;
triangleMesh.Behavior.SteinerPoints = -1;
triangleMesh.Refine(true);
statistic.Update(triangleMesh, 1);
triangleMesh.Refine(statistic.LargestArea / tessellationAmount);
triangleMesh.Renumber();
vertices.Clear();
indexedEdges.Clear();
foreach (TriangleNet.Data.Vertex vertex in triangleMesh.Vertices)
{
vertices.Add(new Vector2((float)vertex.X, (float)vertex.Y));
}
foreach (TriangleNet.Data.Segment segment in triangleMesh.Segments)
{
indexedEdges.Add(new IndexedEdge(segment.P0, segment.P1));
}
foreach (TriangleNet.Data.Triangle triangle in triangleMesh.Triangles)
{
if (triangle.P0 >= 0 && triangle.P0 < vertices.Count &&
triangle.P0 >= 0 && triangle.P1 < vertices.Count &&
triangle.P0 >= 0 && triangle.P2 < vertices.Count)
{
indices.Add(triangle.P0);
indices.Add(triangle.P2);
indices.Add(triangle.P1);
}
}
}
}
public static void Tessellate(List<Vector2> vertices, List<IndexedEdge> indexedEdges, List<Hole> holes, List<int> indices, float tessellationAmount)
{
if(tessellationAmount <= 0f)
{
return;
}
indices.Clear();
if(vertices.Count >= 3)
{
InputGeometry inputGeometry = new InputGeometry(vertices.Count);
for(int i = 0; i < vertices.Count; ++i)
{
Vector2 vertex = vertices[i];
inputGeometry.AddPoint(vertex.x,vertex.y);
}
for(int i = 0; i < indexedEdges.Count; ++i)
{
IndexedEdge edge = indexedEdges[i];
inputGeometry.AddSegment(edge.index1,edge.index2);
}
for(int i = 0; i < holes.Count; ++i)
{
Vector2 hole = holes[i].vertex;
inputGeometry.AddHole(hole.x,hole.y);
}
TriangleNet.Mesh triangleMesh = new TriangleNet.Mesh();
TriangleNet.Tools.Statistic statistic = new TriangleNet.Tools.Statistic();
triangleMesh.Triangulate(inputGeometry);
triangleMesh.Behavior.MinAngle = 20.0;
triangleMesh.Behavior.SteinerPoints = -1;
triangleMesh.Refine(true);
statistic.Update(triangleMesh,1);
triangleMesh.Refine(statistic.LargestArea / tessellationAmount);
triangleMesh.Renumber();
vertices.Clear();
indexedEdges.Clear();
foreach(TriangleNet.Data.Vertex vertex in triangleMesh.Vertices)
{
vertices.Add(new Vector2((float)vertex.X,(float)vertex.Y));
}
foreach(TriangleNet.Data.Segment segment in triangleMesh.Segments)
{
indexedEdges.Add(new IndexedEdge(segment.P0,segment.P1));
}
foreach (TriangleNet.Data.Triangle triangle in triangleMesh.Triangles)
{
if(triangle.P0 >= 0 && triangle.P0 < vertices.Count &&
triangle.P0 >= 0 && triangle.P1 < vertices.Count &&
triangle.P0 >= 0 && triangle.P2 < vertices.Count)
{
indices.Add(triangle.P0);
indices.Add(triangle.P2);
indices.Add(triangle.P1);
}
}
}
}
