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83 lines
3.0 KiB
83 lines
3.0 KiB
4 years ago
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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional permissions under GNU GPL version 3 section 7
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If you modify this Program, or any covered work, by linking or
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
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(or a modified version of those libraries),
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
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licensors of this Program grant you additional
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permission to convey the resulting work. Corresponding Source for a
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non-source form of such a combination shall include the source code for
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
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work.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#ifndef hsNoiseFunc_inc
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#define hsNoiseFunc_inc
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#include "hsRefCnt.h"
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#include "hsScalar.h"
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struct hsPoint3;
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class hsNoiseFunc : public hsRefCnt // should inherit from keyed object
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{
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public:
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hsNoiseFunc();
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virtual ~hsNoiseFunc();
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virtual void Seed(UInt32 s);
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virtual hsScalar Noise(hsScalar lo=0, hsScalar hi=hsScalar1, hsScalar t=0) = 0; // t = [0..1] - returns random num [lo..hi] scaled by fTable[t]
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virtual hsScalar NoisePoint(const hsPoint3& p, hsScalar lo=0, hsScalar hi=hsScalar1, hsScalar t=0) = 0; // t = [0..1] - returns random num [lo..hi] scaled by fTable[t]
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};
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class hsTableNoise : public hsNoiseFunc // should inherit from keyed object
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{
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protected:
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hsScalar* fTable;
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UInt32 fTableLen;
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public:
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hsTableNoise();
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virtual ~hsTableNoise();
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void SetTable(int len, hsScalar* arr); // copies. arr should be hsScalars in range [0..1]
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hsScalar* GetTable(int& len) { len = fTableLen; return fTable; } // should be debug only, access through noise func
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virtual hsScalar Noise(hsScalar lo=0, hsScalar hi=hsScalar1, hsScalar t=0); // t = [0..1] - returns random num [lo..hi] scaled by fTable[t]
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virtual hsScalar NoisePoint(const hsPoint3& p, hsScalar lo=0, hsScalar hi=hsScalar1, hsScalar t=0); // t = [0..1] - returns random num [lo..hi] scaled by fTable[t]
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};
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#endif // hsNoiseFunc_inc
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