Files
watrbx-game-engine/CSG/sgCore/ExtendedClasses/Sphere.cpp
T
2025-09-18 17:55:52 -04:00

70 lines
1.2 KiB
C++

#include "..//Core//sg.h"
sgCSphere::sgCSphere():sgC3DObject()
{
}
sgCSphere::~sgCSphere()
{
}
sgCSphere::sgCSphere(SG_OBJ_HANDLE objH):sgC3DObject(objH)
{
char* typeID = "{0000000000000-0000-0002-000000000009}";
set_hobj_attr_value(id_TypeID, objH, typeID);
PostCreate();
}
sgCSphere* sgCSphere::Create(sgFloat rad, short merid, short parall)
{
if (rad<eps_d ||
merid<2 ||
parall<2)
return NULL;
sgFloat par[3];
par[0] = rad;
par[1] = (sgFloat)merid;
par[2] = (sgFloat)parall;
hOBJ hO = create_primitive_obj(SPHERE, par);
assert(hO);
sgCSphere* newSp=new sgCSphere(hO);
newSp->PostCreate();
return newSp;
}
void sgCSphere::GetGeometry(SG_SPHERE& 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.MeridiansCount = static_cast<short>(pars[1]);
res.ParallelsCount = static_cast<short>(pars[2]);
free(pars);
}