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);
}
public static SurfaceComponentGeometry CreateWallTiledTriangleGeometry(float sizeBase, float sizeHeight, float offsetTop, int segment, int surfaceGroup = 0, RenderGeometry.FaceType faceType = RenderGeometry.FaceType.Polygonal)
{
SurfaceComponentGeometry triangleGeometry = SurfaceComponentGeometries.CreateTriangleGeometry(sizeBase, sizeHeight, offsetTop, segment, true);
List <Vertex> corners = triangleGeometry.corners;
var newVertices = new Dictionary <Vector2, Vertex>();
Halfedge currentEdge = triangleGeometry.FindHalfedge(corners[2], corners[0]);
Vector3 delta = -currentEdge.vector / segment / 2;
for (int i = 0; i < segment; i++)
{
Halfedge nextEdge = currentEdge.next.next.opposite;
Vector3 leftPoint = currentEdge.vertex.p;
for (int j = 1; j < (segment - i) * 2; j++)
{
if (i == 0 && j % 2 == 1)
{
continue;
}
Vertex newVertex = triangleGeometry.SplitEdge(currentEdge);
newVertex.p = leftPoint + j * delta;
newVertices[Key(i, j)] = newVertex;
}
currentEdge = nextEdge;
}
for (int i = 0; i < segment - 1; i++)
{
for (int j = 1; j < segment - i; j++)
{
triangleGeometry.SplitFace(newVertices[Key(i, j * 2)], newVertices[Key(i + 1, j * 2 - 1)]);
}
}
triangleGeometry.DefineBoundaries(corners.ToArray());
return(triangleGeometry);
}
