public static SurfaceComponentGeometry CreateDiamondCenterOctaSplitSquareGeometry(
float sizeX, float sizeZ, int segmentX, int segmentZ, float diamondRatio = 0.6f, int surfaceGroup = 0, RenderGeometry.FaceType faceType = RenderGeometry.FaceType.Polygonal)
{
SurfaceComponentGeometry planeGeometry = SurfaceComponentGeometries.CreatePlaneGeometry(sizeX, sizeZ, segmentX, segmentZ);
List <Vertex> corners = planeGeometry.corners;
var structure = new StructureGeometry(planeGeometry);
var edgesToMerge = new List <Halfedge>();
structure.faces.ForEach(f => {
var component = CreateSingleDiamondCenterOctaSplitSquareGeometry(1, 1, diamondRatio, surfaceGroup, faceType);
edgesToMerge.AddRange(component.boundaries.SelectMany(b => b).Select(e => e.opposite));
structure.SetFaceComponent(f, component, true);
});
var geometry = new SurfaceComponentGeometry(structure.Build());
foreach (Halfedge edge in edgesToMerge)
{
if (edge.index >= 0 && !edge.opposite.isBoundary)
{
geometry.MergeFaces(edge);
}
}
geometry.DefineBoundaries(corners.Select(structure.GetBuiltVertex).ToArray());
return(geometry);
}
public static SurfaceComponentGeometry CreatePantagonSquareGeometry(
float sizeX, float sizeZ, int segmentX, int segmentZ, float pantagonRatio = 0.3f, int surfaceGroup = 0, RenderGeometry.FaceType faceType = RenderGeometry.FaceType.Polygonal)
{
SurfaceComponentGeometry planeGeometry = SurfaceComponentGeometries.CreatePlaneGeometry(sizeX, sizeZ, segmentX * 2, segmentZ * 2, surfaceGroup, faceType);
var originalVertexList = new List <Vertex>(planeGeometry.vertices);
Vertex corner(int x, int z) => originalVertexList[x * (segmentZ * 2 + 1) + z];
float deltaX = sizeX / (segmentX * 2) * pantagonRatio;
float deltaZ = sizeZ / (segmentZ * 2) * pantagonRatio;
for (int x = 1; x < segmentX * 2; x++)
{
for (int z = 1; z < segmentZ * 2; z++)
{
if (x % 2 == 0 && z % 2 == 1)
{
corner(x, z).p += deltaX * ((x + z) % 4 == 3 ? Vector3.left : Vector3.right);
}
else if (x % 2 == 1 && z % 2 == 0)
{
corner(x, z).p += deltaZ * ((x + z) % 4 == 3 ? Vector3.forward : Vector3.back);
}
}
}
for (int x = 0; x < segmentX; x++)
{
for (int z = 0; z < segmentZ; z++)
{
if ((x + z) % 2 == 0)
{
planeGeometry.MergeFaces(planeGeometry.FindHalfedge(corner(x * 2 + 1, z * 2 + 1), corner(x * 2 + 1, z * 2)));
planeGeometry.MergeFaces(planeGeometry.FindHalfedge(corner(x * 2 + 1, z * 2 + 1), corner(x * 2 + 1, z * 2 + 2)));
}
else
{
planeGeometry.MergeFaces(planeGeometry.FindHalfedge(corner(x * 2 + 1, z * 2 + 1), corner(x * 2, z * 2 + 1)));
planeGeometry.MergeFaces(planeGeometry.FindHalfedge(corner(x * 2 + 1, z * 2 + 1), corner(x * 2 + 2, z * 2 + 1)));
}
}
}
return(planeGeometry);
}