sketchupでruby その7 - Qiita

def cos xya = 1 zza = xya * 8 xys = 42 zzs = 22 cxy = 0 czz = 0 p = [] while cxy < 360 x = Math.cos(cxy * Math::PI / 180) * xys y = Math.sin(cxy * Math::PI / 180) * xys z = Math.sin(czz * Math::PI / 180) * zzs p[p.length] = [x, y, z] cxy += xya czz += zza if (czz >= 360) czz = 0 end end p[p.length] = p[0] model = Sketchup.active_model entities = model.active_entities entities.add_curve(p) end