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