GEEKING

CSG/sgCore/ExtendedClasses/SphericBand.cpp

@@ -0,0 +1,81 @@
+#include "..//Core//sg.h"
+
+sgCSphericBand::sgCSphericBand():sgC3DObject()
+{
+}
+
+sgCSphericBand::~sgCSphericBand()
+{
+}
+
+sgCSphericBand::sgCSphericBand(SG_OBJ_HANDLE objH):sgC3DObject(objH)
+{
+  char* typeID = "{0000000000000-0000-0009-000000000009}";
+  set_hobj_attr_value(id_TypeID, objH, typeID);
+
+  PostCreate();
+
+}
+
+sgCSphericBand* sgCSphericBand::Create(sgFloat radius, sgFloat beg_koef,
+                          sgFloat end_koef,
+                          short merid_cnt)
+{
+  if (radius<eps_d ||
+    merid_cnt<2 ||
+    beg_koef>1 ||
+    beg_koef<-1 ||
+    end_koef>1 ||
+    end_koef<-1 ||
+    end_koef<=beg_koef)
+    return NULL;
+
+  sgFloat par[5];
+
+  par[0] = radius;
+  par[1] = beg_koef;
+  par[2] = end_koef;
+  par[3] = 0.0;
+  par[4] = (sgFloat)merid_cnt;
+
+
+  hOBJ hO = create_primitive_obj(SPHERIC_BAND, par);
+  assert(hO);
+
+  sgCSphericBand*   newSp=new sgCSphericBand(hO);
+
+  newSp->PostCreate();
+
+  return  newSp;
+}
+
+
+void sgCSphericBand::GetGeometry(SG_SPHERIC_BAND& res) const
+{
+  lpOBJ   obj = static_cast<lpOBJ>(GetObjectHandle(this));
+  assert(obj);
+
+  lpGEO_BREP  geo = (lpGEO_BREP)(obj->geo_data);
+  assert(geo);
+
+  LNP       lnp;
+
+  if ( !read_elem(&vd_brep,geo->num,&lnp) )
+  {
+    assert(0);
+  }
+
+  lpCSG  csg = static_cast<lpCSG>(lnp.hcsg);
+  assert(csg);
+
+  sgFloat*  pars = (sgFloat*)malloc(csg->size);
+
+  memcpy(pars, csg->data, csg->size);
+
+  res.Radius = pars[0];
+  res.BeginCoef = pars[1];
+  res.EndCoef = pars[2];
+  res.MeridiansCount = static_cast<short>(pars[4]);
+
+  free(pars);
+}