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A portable, open-source, coherent noise-generating library for C++
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<div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Class Members</a></div>
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<a class="el" href="dir_000000.html">src</a> / <a class="el" href="dir_000001.html">module</a></div>
<h1>billow.h</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">// billow.h</span>
00002 <span class="comment">//</span>
00003 <span class="comment">// Copyright (C) 2004 Jason Bevins</span>
00004 <span class="comment">//</span>
00005 <span class="comment">// This library is free software; you can redistribute it and/or modify it</span>
00006 <span class="comment">// under the terms of the GNU Lesser General Public License as published by</span>
00007 <span class="comment">// the Free Software Foundation; either version 2.1 of the License, or (at</span>
00008 <span class="comment">// your option) any later version.</span>
00009 <span class="comment">//</span>
00010 <span class="comment">// This library is distributed in the hope that it will be useful, but WITHOUT</span>
00011 <span class="comment">// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
00012 <span class="comment">// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public</span>
00013 <span class="comment">// License (COPYING.txt) for more details.</span>
00014 <span class="comment">//</span>
00015 <span class="comment">// You should have received a copy of the GNU Lesser General Public License</span>
00016 <span class="comment">// along with this library; if not, write to the Free Software Foundation,</span>
00017 <span class="comment">// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00018 <span class="comment">//</span>
00019 <span class="comment">// The developer's email is jlbezigvins@gmzigail.com (for great email, take</span>
00020 <span class="comment">// off every 'zig'.)</span>
00021 <span class="comment">//</span>
00022
00023 <span class="preprocessor">#ifndef NOISE_MODULE_BILLOW_H</span>
00024 <span class="preprocessor"></span><span class="preprocessor">#define NOISE_MODULE_BILLOW_H</span>
00025 <span class="preprocessor"></span>
00026 <span class="preprocessor">#include "modulebase.h"</span>
00027
00028 <span class="keyword">namespace </span>noise
00029 {
00030
00031 <span class="keyword">namespace </span>module
00032 {
00033
00036
00039
00042
<a name="l00044"></a><a class="code" href="group__generatormodules.html#ga0">00044</a> <span class="keyword">const</span> <span class="keywordtype">double</span> DEFAULT_BILLOW_FREQUENCY = 1.0;
00045
<a name="l00047"></a><a class="code" href="group__generatormodules.html#ga1">00047</a> <span class="keyword">const</span> <span class="keywordtype">double</span> DEFAULT_BILLOW_LACUNARITY = 2.0;
00048
<a name="l00051"></a><a class="code" href="group__generatormodules.html#ga2">00051</a> <span class="keyword">const</span> <span class="keywordtype">int</span> DEFAULT_BILLOW_OCTAVE_COUNT = 6;
00052
<a name="l00055"></a><a class="code" href="group__generatormodules.html#ga3">00055</a> <span class="keyword">const</span> <span class="keywordtype">double</span> DEFAULT_BILLOW_PERSISTENCE = 0.5;
00056
<a name="l00058"></a><a class="code" href="group__generatormodules.html#ga4">00058</a> <span class="keyword">const</span> noise::NoiseQuality DEFAULT_BILLOW_QUALITY = QUALITY_STD;
00059
<a name="l00061"></a><a class="code" href="group__generatormodules.html#ga5">00061</a> <span class="keyword">const</span> <span class="keywordtype">int</span> DEFAULT_BILLOW_SEED = 0;
00062
<a name="l00065"></a><a class="code" href="group__generatormodules.html#ga6">00065</a> <span class="keyword">const</span> <span class="keywordtype">int</span> BILLOW_MAX_OCTAVE = 30;
00066
<a name="l00078"></a><a class="code" href="classnoise_1_1module_1_1Billow.html">00078</a> <span class="keyword">class </span><a class="code" href="classnoise_1_1module_1_1Billow.html">Billow</a>: <span class="keyword">public</span> <a class="code" href="classnoise_1_1module_1_1Module.html">Module</a>
00079 {
00080
00081 <span class="keyword">public</span>:
00082
00099 <a class="code" href="classnoise_1_1module_1_1Billow.html">Billow</a> ();
00100
<a name="l00104"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a1">00104</a> <span class="keywordtype">double</span> GetFrequency ()<span class="keyword"> const</span>
00105 <span class="keyword"> </span>{
00106 <span class="keywordflow">return</span> m_frequency;
00107 }
00108
<a name="l00115"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a2">00115</a> <span class="keywordtype">double</span> GetLacunarity ()<span class="keyword"> const</span>
00116 <span class="keyword"> </span>{
00117 <span class="keywordflow">return</span> m_lacunarity;
00118 }
00119
<a name="l00126"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a3">00126</a> noise::NoiseQuality GetNoiseQuality ()<span class="keyword"> const</span>
00127 <span class="keyword"> </span>{
00128 <span class="keywordflow">return</span> m_noiseQuality;
00129 }
00130
<a name="l00137"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a4">00137</a> <span class="keywordtype">int</span> GetOctaveCount ()<span class="keyword"> const</span>
00138 <span class="keyword"> </span>{
00139 <span class="keywordflow">return</span> m_octaveCount;
00140 }
00141
<a name="l00147"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a5">00147</a> <span class="keywordtype">double</span> GetPersistence ()<span class="keyword"> const</span>
00148 <span class="keyword"> </span>{
00149 <span class="keywordflow">return</span> m_persistence;
00150 }
00151
<a name="l00155"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a6">00155</a> <span class="keywordtype">int</span> GetSeed ()<span class="keyword"> const</span>
00156 <span class="keyword"> </span>{
00157 <span class="keywordflow">return</span> m_seed;
00158 }
00159
<a name="l00160"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a7">00160</a> <span class="keyword">virtual</span> <span class="keywordtype">int</span> GetSourceModuleCount ()<span class="keyword"> const</span>
00161 <span class="keyword"> </span>{
00162 <span class="keywordflow">return</span> 0;
00163 }
00164
00165 <span class="keyword">virtual</span> <span class="keywordtype">double</span> GetValue (<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">double</span> z) <span class="keyword">const</span>;
00166
<a name="l00170"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a9">00170</a> <span class="keywordtype">void</span> SetFrequency (<span class="keywordtype">double</span> frequency)
00171 {
00172 m_frequency = frequency;
00173 }
00174
<a name="l00184"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a10">00184</a> <span class="keywordtype">void</span> SetLacunarity (<span class="keywordtype">double</span> lacunarity)
00185 {
00186 m_lacunarity = lacunarity;
00187 }
00188
<a name="l00195"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a11">00195</a> <span class="keywordtype">void</span> SetNoiseQuality (noise::NoiseQuality noiseQuality)
00196 {
00197 m_noiseQuality = noiseQuality;
00198 }
00199
<a name="l00216"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a12">00216</a> <span class="keywordtype">void</span> SetOctaveCount (<span class="keywordtype">int</span> octaveCount)
00217 {
00218 <span class="keywordflow">if</span> (octaveCount < 1 || octaveCount > BILLOW_MAX_OCTAVE) {
00219 <span class="keywordflow">throw</span> <a class="code" href="classnoise_1_1ExceptionInvalidParam.html">noise::ExceptionInvalidParam</a> ();
00220 }
00221 m_octaveCount = octaveCount;
00222 }
00223
<a name="l00232"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a13">00232</a> <span class="keywordtype">void</span> SetPersistence (<span class="keywordtype">double</span> persistence)
00233 {
00234 m_persistence = persistence;
00235 }
00236
<a name="l00240"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#a14">00240</a> <span class="keywordtype">void</span> SetSeed (<span class="keywordtype">int</span> seed)
00241 {
00242 m_seed = seed;
00243 }
00244
00245 <span class="keyword">protected</span>:
00246
<a name="l00248"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#p0">00248</a> <span class="keywordtype">double</span> m_frequency;
00249
<a name="l00251"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#p1">00251</a> <span class="keywordtype">double</span> m_lacunarity;
00252
<a name="l00254"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#p2">00254</a> noise::NoiseQuality m_noiseQuality;
00255
<a name="l00257"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#p3">00257</a> <span class="keywordtype">int</span> m_octaveCount;
00258
<a name="l00260"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#p4">00260</a> <span class="keywordtype">double</span> m_persistence;
00261
<a name="l00263"></a><a class="code" href="classnoise_1_1module_1_1Billow.html#p5">00263</a> <span class="keywordtype">int</span> m_seed;
00264
00265 };
00266
00268
00270
00272
00273 }
00274
00275 }
00276
00277 <span class="preprocessor">#endif</span>
</pre></div><!-- end rich gooey content -->
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