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66 lines
2.2 KiB
66 lines
2.2 KiB
/*==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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