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67 lines
2.2 KiB
67 lines
2.2 KiB
14 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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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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