PolyVoxCore/include/PolyVoxCore/RaycastWithCallback.h

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/*******************************************************************************
Copyright (c) 2005-2009 David Williams

This software is provided 'as-is', without any express or implied
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Permission is granted to anyone to use this software for any purpose,
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    claim that you wrote the original software. If you use this software
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    3. This notice may not be removed or altered from any source
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#ifndef __PolyVox_RaycastWithCallback_H__
#define __PolyVox_RaycastWithCallback_H__

#include "PolyVoxCore/Vector.h"

namespace PolyVox
{
    template< template<typename> class VolumeType, typename VoxelType>
    class RaycastWithCallback
    {
    public:
        RaycastWithCallback(VolumeType<VoxelType>* volData, const Vector3DFloat& v3dStart, const Vector3DFloat& v3dDirection, polyvox_function<bool(const Vector3DInt32& position)> funcCallback);

        void setStart(const Vector3DFloat& v3dStart);
        void setDirection(const Vector3DFloat& v3dDirection);

        void execute();

    private:
        polyvox_function<bool(const Vector3DInt32& position)> m_funcCallback;

        void doRaycast(float x1, float y1, float z1, float x2, float y2, float z2);

        VolumeType<VoxelType>* m_volData;
        typename VolumeType<VoxelType>::Sampler m_sampVolume;

        Vector3DFloat m_v3dStart;
        Vector3DFloat m_v3dDirection;
        float m_fMaxDistance;
    };
}

#include "PolyVoxCore/RaycastWithCallback.inl"

#endif //__PolyVox_RaycastWithCallback_H__