66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
/**
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* @file llwind.h
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* @brief LLWind class header file
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLWIND_H
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#define LL_LLWIND_H
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#include "llmath.h"
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#include "v3math.h"
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#include "v3dmath.h"
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class LLVector3;
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class LLBitPack;
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class LLGroupHeader;
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const F32 WIND_SCALE_HACK = 2.0f; // hack to make wind speeds more realistic
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class LLWind
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{
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public:
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LLWind();
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~LLWind();
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void renderVectors();
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LLVector3 getVelocity(const LLVector3 &location); // "location" is region-local
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LLVector3 getVelocityNoisy(const LLVector3 &location, const F32 dim); // "location" is region-local
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void decompress(LLBitPack &bitpack, LLGroupHeader *group_headerp);
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LLVector3 getAverage();
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void setOriginGlobal(const LLVector3d &origin_global);
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private:
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S32 mSize;
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F32 * mVelX;
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F32 * mVelY;
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LLVector3d mOriginGlobal;
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void init();
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LOG_CLASS(LLWind);
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};
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#endif
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