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);
}
