GEEKING

CSG/sgCore/ExtendedClasses/Ellipsoid.cpp

@@ -0,0 +1,80 @@
+#include "..//Core//sg.h"
+
+sgCEllipsoid::sgCEllipsoid():sgC3DObject()
+{
+}
+
+sgCEllipsoid::~sgCEllipsoid()
+{
+}
+
+sgCEllipsoid::sgCEllipsoid(SG_OBJ_HANDLE objH):sgC3DObject(objH)
+{
+	char* typeID = "{0000000000000-0000-0008-000000000009}";
+	set_hobj_attr_value(id_TypeID, objH, typeID);
+
+	PostCreate();
+
+}
+
+sgCEllipsoid* sgCEllipsoid::Create(sgFloat radius1, sgFloat radius2, sgFloat radius3,
+											short merid_cnt, short parall_cnt)
+{
+
+	if (radius1<eps_d ||
+		radius2<eps_d ||
+		radius3<eps_d ||
+		merid_cnt<2 ||
+		parall_cnt<2)
+			return NULL;
+
+	sgFloat par[5];
+
+	par[0] = radius1;
+	par[1] = radius2;
+	par[2] = radius3;
+	par[3] = (sgFloat)merid_cnt;
+	par[4] = (sgFloat)parall_cnt;
+
+
+	hOBJ hO = create_primitive_obj(ELIPSOID, par); 
+	assert(hO);
+
+	sgCEllipsoid*   newE=new sgCEllipsoid(hO);
+
+	newE->PostCreate();
+
+	return  newE;
+}
+
+
+void sgCEllipsoid::GetGeometry(SG_ELLIPSOID& 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.Radius1 = pars[0];
+	res.Radius2 = pars[1];
+	res.Radius3 = pars[2];
+	res.MeridiansCount = static_cast<short>(pars[3]);
+	res.ParallelsCount = static_cast<short>(pars[4]);
+
+	free(pars);
+}