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; }