50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
/*******************************************************************************
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Copyright (c) 2013 Matt Williams
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*******************************************************************************/
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#ifndef __PolyVox_Picking_H__
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#define __PolyVox_Picking_H__
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#include "PolyVox/Vector.h"
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namespace PolyVox
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{
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/**
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* A structure containing the information about a picking operation
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*/
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struct PickResult
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{
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PickResult() : didHit(false) {}
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bool didHit; ///< Did the picking operation hit anything
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Vector3DInt32 hitVoxel; ///< The location of the solid voxel it hit
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Vector3DInt32 previousVoxel; ///< The location of the voxel before the one it hit
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};
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/// Pick the first solid voxel along a vector
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template<typename VolumeType>
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PickResult pickVoxel(VolumeType* volData, const Vector3DFloat& v3dStart, const Vector3DFloat& v3dDirectionAndLength, const typename VolumeType::VoxelType& emptyVoxelExample);
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}
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#include "PolyVox/Picking.inl"
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#endif //__PolyVox_Picking_H__
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