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Fixed some of the pull request code in order to merge it

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Former-commit-id: d8a9734fc622cb57f98b3b6abd2579922d562aa0
This commit is contained in:
Lynix
2014-06-15 01:55:07 +02:00
committed by Gawaboumga
parent 55c205a5e5
commit dc3f3eb344
10 changed files with 56 additions and 48 deletions
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54
include/Nazara/Math/Sphere.inl
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@@ -4,6 +4,7 @@
#include <Nazara/Core/StringStream.hpp>
#include <Nazara/Math/Basic.hpp>
#include <Nazara/Math/Box.hpp>
#include <algorithm>
#include <cstring>
#include <Nazara/Core/Debug.hpp>
@@ -81,7 +82,6 @@ template<typename T>
NzSphere<T>& NzSphere<T>::ExtendTo(T X, T Y, T Z)
{
T distance = SquaredDistance(X, Y, Z);
if (distance > radius*radius)
radius = std::sqrt(distance);
@@ -120,32 +120,48 @@ NzVector3<T> NzSphere<T>::GetPositiveVertex(const NzVector3<T>& normal) const
template<typename T>
bool NzSphere<T>::Intersect(const NzBox<T>& box) const
{
// Arvo's algorithm.
T dmin = T(0);
if (x < box.x)
dmin += (x - box.x) * (x - box.x);
else if (x > box.x + box.width)
dmin += (x - (box.x + box.width)) * (x - (box.x + box.width));
// Arvo's algorithm.
T squaredDistance = T(0.0);
if (x < box.x)
{
T diff = x - box.x;
squaredDistance += diff*diff;
}
else if (x > box.x + box.width)
{
T diff = x - (box.x + box.width);
squaredDistance += diff*diff;
}
if (y < box.y)
dmin += (y - box.y) * (y - box.y);
else if (x > box.x + box.width)
dmin += (y - (box.y + box.height)) * (y - (box.y + box.height));
if (y < box.y)
{
T diff = y - box.y;
squaredDistance += diff*diff;
}
else if (y > box.y + box.height)
{
T diff = y - (box.y + box.height);
squaredDistance += diff*diff;
}
if (z < box.z)
dmin += (z - box.z) * (z - box.z);
else if (x > box.x + box.width)
dmin += (z - (box.z + box.depth)) * (z - (box.z + box.depth));
if (z < box.z)
{
T diff = z - box.z;
squaredDistance += diff*diff;
}
else if (z > box.z + box.depth)
{
T diff = z - (box.z + box.depth);
squaredDistance += diff*diff;
}
if (dmin <= radius * radius)
return true;
return false;
return squaredDistance <= radius * radius;
}
template<typename T>
bool NzSphere<T>::Intersect(const NzSphere& sphere) const
{
return std::abs(SquaredDistance(sphere.x, sphere.y, sphere.z) - radius*radius) <= sphere.radius*sphere.radius;
return SquaredDistance(sphere.x, sphere.y, sphere.z) - radius*radius <= sphere.radius*sphere.radius;
}
template<typename T>