OgreVolumeOctreeNodeSplitPolicy.h
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/*
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#ifndef __Ogre_Volume_OctreeNodeSplitPolicy_H__
#define __Ogre_Volume_OctreeNodeSplitPolicy_H__
#include "OgreVector3.h"
#include "OgreVolumeSource.h"
#include "OgreVolumeOctreeNode.h"
#include "OgreVolumePrerequisites.h"
namespace Ogre {
namespace Volume {
class OctreeNode;
class _OgreVolumeExport OctreeNodeSplitPolicy
{
protected:
const Source *mSrc;
Real mMaxCellSize;
inline Real interpolate(const Real f000, const Real f001, const Real f010, const Real f011,
const Real f100, const Real f101, const Real f110, const Real f111, const Vector3 &position) const
{
Real oneMinX = (Real)1.0 - position.x;
Real oneMinY = (Real)1.0 - position.y;
Real oneMinZ = (Real)1.0 - position.z;
Real oneMinXoneMinY = oneMinX * oneMinY;
Real xOneMinY = position.x * oneMinY;
return oneMinZ * (f000 * oneMinXoneMinY
+ f100 * xOneMinY
+ f010 * oneMinX * position.y)
+ position.z * (f001 * oneMinXoneMinY
+ f101 * xOneMinY
+ f011 * oneMinX * position.y)
+ position.x * position.y * (f110 * oneMinZ
+ f111 * position.z);
}
public:
OctreeNodeSplitPolicy(const Source *src, const Real maxCellSize);
bool doSplit(OctreeNode *node, const Real geometricError) const;
};
}
}
#endif
Ogre::Vector3::z
Real z
Definition: OgreVector3.h:54
OgreVector3.h
Ogre::Real
float Real
Software floating point type.
Definition: OgrePrerequisites.h:70
Ogre::Vector3
Standard 3-dimensional vector.
Definition: OgreVector3.h:51
Ogre::Volume::OctreeNodeSplitPolicy::interpolate
Real interpolate(const Real f000, const Real f001, const Real f010, const Real f011, const Real f100, const Real f101, const Real f110, const Real f111, const Vector3 &position) const
Trilinear interpolation of a relative point.
Definition: OgreVolumeOctreeNodeSplitPolicy.h:78
Ogre::Vector3::y
Real y
Definition: OgreVector3.h:54
OgreVolumeOctreeNode.h
OgreVolumePrerequisites.h
OgreVolumeSource.h
Ogre::Volume::OctreeNode
A node in the volume octree.
Definition: OgreVolumeOctreeNode.h:45
Ogre::Vector3::x
Real x
Definition: OgreVector3.h:54
Ogre
Definition: OgreAndroidLogListener.h:34
Ogre::Volume::OctreeNodeSplitPolicy::mSrc
const Source * mSrc
Holds the volume source to decide something.
Definition: OgreVolumeOctreeNodeSplitPolicy.h:51
Ogre::Volume::OctreeNodeSplitPolicy
The class deciding on whether to split an octree node or not when building the octree.
Definition: OgreVolumeOctreeNodeSplitPolicy.h:46
Ogre::Volume::OctreeNodeSplitPolicy::mMaxCellSize
Real mMaxCellSize
The maximum cell size where the policy stops the splitting.
Definition: OgreVolumeOctreeNodeSplitPolicy.h:54
Ogre::Volume::Source
Abstract class defining the density function.
Definition: OgreVolumeSource.h:41
_OgreVolumeExport
#define _OgreVolumeExport
Definition: OgreVolumePrerequisites.h:43

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.