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()
{
Random.seed = seed;
spaceship = JohnsonPoly.Prism(numSides);
wings = new ConwayPoly();
antennae = new ConwayPoly();
float angleCorrection = 180f / numSides;
if (numSides % 2 != 0)
{
angleCorrection /= 2f;
}
spaceship = spaceship.Rotate(Vector3.up, angleCorrection);
spaceship = spaceship.Rotate(Vector3.left, -90);
alreadyStake = false;
for (int i = 0; i < 2; i++) // Loop twice - once for the back and once for the front.
{
for (int j = 0; j <= numSections; j++)
{
spaceship = MakeSection(spaceship);
}
// Second time through loop:
// Flip everything around ready to generate the back sections
spaceship = spaceship.Rotate(Vector3.up, 180);
wings = wings.Rotate(Vector3.up, 180);
antennae = antennae.Rotate(Vector3.up, 180);
// Change random range for front sections
loftLow = -0.35f;
loftHigh = 0.15f;
}
// Make the engines
var engines = spaceship.FaceKeep(new OpParams {
facesel = FaceSelections.FacingStraightBackward
});
spaceship = spaceship.FaceRemove(new OpParams {
facesel = FaceSelections.FacingStraightBackward
});
engines = engines.Loft(new OpParams {
valueA = Random.Range(.3f, .4f), valueB = Random.Range(-.2f, .2f)
});
// spaceship = engines;
if (EngineVariant)
{
var engineRim = engines.FaceRemove(new OpParams {
facesel = FaceSelections.Existing
});
engines = engines.FaceKeep(new OpParams {
facesel = FaceSelections.Existing
});
engines = engines.Ortho(new OpParams {
valueA = 0
});
engines = engines.Loft(new OpParams {
valueA = Random.Range(0, .25f), valueB = -.5f
});
engines.Append(engineRim);
}
else
{
engines = engines.Loft(new OpParams {
valueA = Random.Range(.25f, .75f), valueB = Random.Range(0, .2f), facesel = FaceSelections.Existing
});
engines = engines.Loft(new OpParams {
valueA = Random.Range(.1f, .3f), valueB = Random.Range(-.3f, -.7f), facesel = FaceSelections.AllNew
});
}
// Make the nose section
if (NoseLength > 0)
{
spaceship = spaceship.Loft(new OpParams {
valueA = .2f, valueB = 0, facesel = FaceSelections.FacingStraightForward
});
spaceship = spaceship.FaceSlide(new OpParams {
valueA = .12f, facesel = FaceSelections.Existing
});
if (NoseVariant)
{
spaceship = spaceship.Lace(new OpParams {
valueA = NoseSharpness, valueB = NoseLength, facesel = FaceSelections.Existing
});
}
else
{
spaceship = spaceship.Loft(new OpParams {
valueA = NoseSharpness, valueB = NoseLength, facesel = FaceSelections.Existing
});
}
}
// Add panel insets to the hull
spaceship = spaceship.Loft(new OpParams {
valueA = 0.1f, valueB = 0.025f
});
// Add panel insets to the wings
wings = wings.Loft(new OpParams {
valueA = 0.1f, valueB = 0.025f
});
spaceship.Append(engines);
spaceship.Append(wings);
spaceship.Append(antennae);
// Build the final mesh
var mesh = PolyMeshBuilder.BuildMeshFromConwayPoly(spaceship, false);
GetComponent <MeshFilter>().mesh = mesh;
GetComponent <MeshRenderer>().material = material;
}