public static SurfaceComponentGeometry CreateExtrudedPolygonCapGeometry(
float radius, float height, int segmentP, int segmentH, float topRatio = 1, int surfaceGroup = 0, RenderGeometry.FaceType faceType = RenderGeometry.FaceType.Smooth,
bool splitBoundary = false)
{
if (topRatio == 0)
{
return(CreateConeCapGeometry(radius, height, segmentP, segmentH, 0, surfaceGroup, faceType, splitBoundary));
}
if (topRatio == 1 && height == 0)
{
return(CreateRegularPolygonGeometry(radius, segmentP, surfaceGroup, RenderGeometry.FaceType.Polygonal, true));
}
StructureGeometry structure = new StructureGeometry();
SurfaceComponentGeometry upperCap = CreateRegularPolygonGeometry(radius * topRatio, segmentP, surfaceGroup + 1);
SurfaceComponentGeometry side = CreateConeSideGeometry(radius, radius * topRatio, height, segmentP, segmentH, 0, false, surfaceGroup, faceType);
side.ApplyOffset(Vector3.up * (height / 2));
Vertex cornerUp = structure.CreateVertex(new Vector3(radius * topRatio, height, 0));
Vertex cornerDown = structure.CreateVertex(new Vector3(radius, 0, 0));
structure.CreateFace(side, false, cornerUp, cornerUp, cornerDown, cornerDown);
structure.CreateFace(upperCap, true, cornerUp);
SurfaceComponentGeometry geometry = new SurfaceComponentGeometry(structure.Build());
geometry.DefineBoundaries(structure.GetBuiltVertex(cornerDown));
if (splitBoundary)
{
geometry.SplitBoundaries();
}
return(geometry);
}