private ConwayPoly MakeAntenna(ConwayPoly spaceship)
{
var allNew = spaceship.FaceselToFaceFilterFunc(FaceSelections.AllNew);
var facingUp = spaceship.FaceselToFaceFilterFunc(FaceSelections.FacingUp);
Func <FilterParams, bool> newAndFacingUp = x => allNew(x) && facingUp(x);
var topSurfaces = spaceship.FaceKeep(new OpParams {
filterFunc = newAndFacingUp
});
var antennaGroup = new ConwayPoly();
var antenna = JohnsonPoly.Pyramid(4);
foreach (var face in topSurfaces.Faces)
{
float radius = Random.Range(0.01f, 0.05f);
float height = Random.Range(0.25f, 2f);
float offset = Random.value < .5 ? 0 : Random.value < 0.5 ? .5f : -.5f;
antennaGroup.Append(antenna.Transform(
face.GetPolarPoint(90, offset),
Vector3.zero,
new Vector3(radius, height, radius)
));
}
return(antennaGroup);
}
public void Generate()
{
poly = JohnsonPoly.Build(JohnsonPolyType, sides);
Face face;
var sidesFilter = poly.FaceselToFaceFilterFunc(FaceSelections.FourSided);
var roleFilter = poly.FaceselToFaceFilterFunc(FaceSelections.New);
Func <FilterParams, bool> filterFunc = x => sidesFilter(x);
for (int i = 0; i < splits; i++)
{
face = poly.GetFace(new OpParams(filterFunc), 0);
if (face != null)
{
var edges = face.GetHalfedges();
poly = poly.SplitLoop(poly.GetFaceLoop(edges[edgeIndex % edges.Count]), splitRatio);
}
// Change the filter after the first loop iteration as we can
// ensure we get the right face based on it's role
filterFunc = x => sidesFilter(x) && roleFilter(x);
}
if (ApplyOp)
{
var o1 = new OpParams(op1Amount1, op1Amount2, op1Facesel);
poly = poly.ApplyOp(op1, o1);
var o2 = new OpParams(op2Amount1, op2Amount2, op2Facesel);
poly = poly.ApplyOp(op2, o2);
}
if (Canonicalize)
{
poly = poly.Canonicalize(0.1, 0.1);
}
poly = poly.Transform(Position, Rotation, Scale);
var mesh = PolyMeshBuilder.BuildMeshFromConwayPoly(poly, false, null, ColorMethod);
GetComponent <MeshFilter>().mesh = mesh;
}