84 lines
1.5 KiB
C
84 lines
1.5 KiB
C
|
#ifndef __VCGTEST_SPHEREUNION
|
||
|
|
#define __VCGTEST_SPHEREUNION
|
||
|
|
|
||
|
|
class SphereUnion
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
SphereUnion()
|
||
|
|
{};
|
||
|
|
|
||
|
|
SphereUnion(const ImplicitSphere &sphere1, const ImplicitSphere &sphere2)
|
||
|
|
{
|
||
|
|
_sphere1 = sphere1;
|
||
|
|
_sphere2 = sphere2;
|
||
|
|
};
|
||
|
|
|
||
|
|
SphereUnion(const SphereUnion &sphere_union)
|
||
|
|
{
|
||
|
|
_sphere1 = sphere_union._sphere1;
|
||
|
|
_sphere2 = sphere_union._sphere2;
|
||
|
|
}
|
||
|
|
|
||
|
|
SphereUnion& operator=(const SphereUnion &sphere_union)
|
||
|
|
{
|
||
|
|
if (this != &sphere_union)
|
||
|
|
{
|
||
|
|
_sphere1 = sphere_union._sphere1;
|
||
|
|
_sphere2 = sphere_union._sphere2;
|
||
|
|
}
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool operator!=(const SphereUnion &sphere_union)
|
||
|
|
{
|
||
|
|
bool comp1 = _sphere1 != sphere_union._sphere1;
|
||
|
|
bool comp2 = _sphere2 != sphere_union._sphere2;
|
||
|
|
return (comp1 && comp2);
|
||
|
|
}
|
||
|
|
|
||
|
|
float V(int x, int y, int z)
|
||
|
|
{
|
||
|
|
return vcg::math::Min<float>(_sphere1.V(x, y, z), _sphere2.V(x, y, z));
|
||
|
|
};
|
||
|
|
|
||
|
|
bool DirectedDistance(const vcg::Point3i &p1, const vcg::Point3i &p2, vcg::Point3f &v, vcg::Point3f &n, float &d)
|
||
|
|
{
|
||
|
|
vcg::Point3f v1, n1;
|
||
|
|
vcg::Point3f v2, n2;
|
||
|
|
float d1, d2;
|
||
|
|
|
||
|
|
bool ok1 = _sphere1.DirectedDistance(p1, p2, v1, n1, d1);
|
||
|
|
bool ok2 = _sphere2.DirectedDistance(p1, p2, v2, n2, d2);
|
||
|
|
|
||
|
|
if (ok1 && ok2)
|
||
|
|
{
|
||
|
|
if (d1 < d2)
|
||
|
|
ok2 = false;
|
||
|
|
else
|
||
|
|
ok1 = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ok1)
|
||
|
|
{
|
||
|
|
v = v1;
|
||
|
|
n = n1;
|
||
|
|
d = d1;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else if (ok2)
|
||
|
|
{
|
||
|
|
v = v2;
|
||
|
|
n = n2;
|
||
|
|
d = d2;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
return false;
|
||
|
|
};
|
||
|
|
|
||
|
|
private:
|
||
|
|
ImplicitSphere _sphere1;
|
||
|
|
ImplicitSphere _sphere2;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // __VCGTEST_SPHEREUNION
|