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Using Quaternions Efficiently in Real-time Applications

, 10 Nov 2010 CPOL
Various methods for using quaternions in ways that maximize performance
#ifndef _FAST_CACHE_OBJECT_H
#define _FAST_CACHE_OBJECT_H

#include "ObjectBase.h"

class FastCacheObject : public ObjectBase
{
public:
    struct Transforms
    {
        D3DXQUATERNION localTransform_;
        D3DXQUATERNION worldTransform_;
    };

    Transforms *getTransforms() { return transforms_; }
    void setTransforms( Transforms *transforms )
    {
        transforms_ = transforms;
    }

    virtual void updateWorldTransform( ObjectBase *parent ){}
    D3DXQUATERNION *getWorldTransform() 
    { 
        return transforms_ ? &transforms_->worldTransform_ : 0;
    }

protected:
    Transforms *transforms_;
};


#endif

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

gtdelarosa
Software Developer Gameloft
United States United States
No Biography provided

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