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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<title>Gamedev Framework (gf): Heightmap.h Source File</title>
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<div id="projectname">Gamedev Framework (gf)<span id="projectnumber"> 0.21.0</span>
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<div id="projectbrief">A C++17 framework for 2D games</div>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_6d069d519ae9d12fa11dd8e685586b60.html">gf</a></li> </ul>
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<div class="header">
<div class="headertitle"><div class="title">Heightmap.h</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Gamedev Framework (gf)</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Copyright (C) 2016-2021 Julien Bernard</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * This software is provided 'as-is', without any express or implied</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * warranty. In no event will the authors be held liable for any damages</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * arising from the use of this software.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * Permission is granted to anyone to use this software for any purpose,</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * including commercial applications, and to alter it and redistribute it</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * freely, subject to the following restrictions:</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> *</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * 1. The origin of this software must not be misrepresented; you must not</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * claim that you wrote the original software. If you use this software</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * in a product, an acknowledgment in the product documentation would be</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * appreciated but is not required.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * 2. Altered source versions must be plainly marked as such, and must not be</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> * misrepresented as being the original software.</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment"> * 3. This notice may not be removed or altered from any source distribution.</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"> */</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#ifndef GF_HEIGHTMAP_H</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#define GF_HEIGHTMAP_H</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <tuple></span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "Array2D.h"</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "ColorRamp.h"</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "CoreApi.h"</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "Image.h"</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "Noise.h"</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "Rect.h"</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacegf.html">gf</a> {</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">inline</span> <span class="keyword">namespace </span>v1 {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html"> 44</a></span> <span class="keyword">class </span>GF_CORE_API <a class="code hl_class" href="classgf_1_1_heightmap.html">Heightmap</a> {</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a34b0fa2fb971fd94874a9ca0160fde56"> 49</a></span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a34b0fa2fb971fd94874a9ca0160fde56">Heightmap</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a93020b746ea67fb83ed3ce520ca60a17"> 56</a></span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a93020b746ea67fb83ed3ce520ca60a17">Heightmap</a>(<a class="code hl_class" href="structgf_1_1_vector.html">Vector2i</a> size);</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#ae77848b6cdd60658af1d15764cde6bac"> 63</a></span> <a class="code hl_class" href="structgf_1_1_vector.html">Vector2i</a> <a class="code hl_function" href="classgf_1_1_heightmap.html#ae77848b6cdd60658af1d15764cde6bac">getSize</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">return</span> m_data.getSize();</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> }</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a0f73c3f4a6ba9245aefc70f5854b3263"> 72</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a0f73c3f4a6ba9245aefc70f5854b3263">reset</a>();</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#ad4025649625bd737917459a9cef8437e"> 80</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#ad4025649625bd737917459a9cef8437e">getValue</a>(<a class="code hl_class" href="structgf_1_1_vector.html">Vector2i</a> position)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">return</span> m_data(position);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a61242f9a76feea5df8cc87242e0d9274"> 90</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a61242f9a76feea5df8cc87242e0d9274">setValue</a>(<a class="code hl_class" href="structgf_1_1_vector.html">Vector2i</a> position, <span class="keywordtype">double</span> value) {</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> m_data(position) = value;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> }</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a8f57593753ae1d3524c9cbf486b48c38"> 99</a></span> std::tuple<double, double> <a class="code hl_function" href="classgf_1_1_heightmap.html#a8f57593753ae1d3524c9cbf486b48c38">getMinMax</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#acc9d34fd2541c3ad0438eea4a972d55e"> 112</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#acc9d34fd2541c3ad0438eea4a972d55e">normalize</a>(<span class="keywordtype">double</span> min = 0.0, <span class="keywordtype">double</span> max = 1.0);</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a599a8fbf293b6dda8a8ad0a88b315377"> 121</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a599a8fbf293b6dda8a8ad0a88b315377">addHill</a>(<a class="code hl_struct" href="structgf_1_1_vector.html">Vector2d</a> center, <span class="keywordtype">double</span> radius, <span class="keywordtype">double</span> height);</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a23270fcee9c9daa170abda92f02d781f"> 130</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a23270fcee9c9daa170abda92f02d781f">digHill</a>(<a class="code hl_struct" href="structgf_1_1_vector.html">Vector2d</a> center, <span class="keywordtype">double</span> radius, <span class="keywordtype">double</span> height);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a91d4d0820d83a0017979d09eb0722e6d"> 138</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a91d4d0820d83a0017979d09eb0722e6d">addNoise</a>(<a class="code hl_class" href="classgf_1_1_noise2_d.html">Noise2D</a>& noise, <span class="keywordtype">double</span> <a class="code hl_function" href="group__core__geometry.html#gaaebbcd888bf490db7192bc9c5dc066e1">scale</a> = 1.0);</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a7ca818c0848c0e79b9f78b59e71f6649"> 145</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a7ca818c0848c0e79b9f78b59e71f6649">addValue</a>(<span class="keywordtype">double</span> value);</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#aaa100a9175f8dd28fd43b39a7d7769d3"> 152</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#aaa100a9175f8dd28fd43b39a7d7769d3">scale</a>(<span class="keywordtype">double</span> value);</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a34f44c5d6f642b142412ac9be23329cf"> 161</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a34f44c5d6f642b142412ac9be23329cf">clamp</a>(<span class="keywordtype">double</span> min = 0.0, <span class="keywordtype">double</span> max = 1.0);</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a4d6fbfcede9b757fb37d8e76097bc319"> 182</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a4d6fbfcede9b757fb37d8e76097bc319">getSlope</a>(<a class="code hl_class" href="structgf_1_1_vector.html">Vector2i</a> position) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a7e75d60d09325cf6d8b5314a8b5e8494"> 191</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a7e75d60d09325cf6d8b5314a8b5e8494">thermalErosion</a>(<span class="keywordtype">unsigned</span> iterations, <span class="keywordtype">double</span> talus, <span class="keywordtype">double</span> fraction);</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a3f236a680689d7139772a9b4bcb7d38d"> 202</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#a3f236a680689d7139772a9b4bcb7d38d">hydraulicErosion</a>(<span class="keywordtype">unsigned</span> iterations, <span class="keywordtype">double</span> rainAmount, <span class="keywordtype">double</span> solubility, <span class="keywordtype">double</span> evaporation, <span class="keywordtype">double</span> capacity);</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#aafdac386fbe1379ae476e5810da9488d"> 211</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#aafdac386fbe1379ae476e5810da9488d">fastErosion</a>(<span class="keywordtype">unsigned</span> iterations, <span class="keywordtype">double</span> talus, <span class="keywordtype">double</span> fraction);</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#ae4833677969e827030a098a195cbd0c2"> 220</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="classgf_1_1_heightmap.html#ae4833677969e827030a098a195cbd0c2">getErosionScore</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4"> 229</a></span> <span class="keyword">enum class</span> <a class="code hl_enumeration" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4">Render</a> {</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> Colored, </div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> Shaded, </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> };</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a7d1d6af9c7a00ceaf47391f607dd641c"> 244</a></span> <a class="code hl_class" href="classgf_1_1_heightmap.html">Heightmap</a> <a class="code hl_function" href="classgf_1_1_heightmap.html#a7d1d6af9c7a00ceaf47391f607dd641c">subMap</a>(<a class="code hl_class" href="structgf_1_1_rect.html">RectI</a> area) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a66e60f36f6c1aab6c0fa80d48b94191d"> 255</a></span> <a class="code hl_class" href="classgf_1_1_image.html">Image</a> <a class="code hl_function" href="classgf_1_1_heightmap.html#a66e60f36f6c1aab6c0fa80d48b94191d">copyToGrayscaleImage</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a602e2c55f8d0fbdb9fa37a0a4a87f788"> 273</a></span> <a class="code hl_class" href="classgf_1_1_image.html">Image</a> <a class="code hl_function" href="classgf_1_1_heightmap.html#a602e2c55f8d0fbdb9fa37a0a4a87f788">copyToColoredImage</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structgf_1_1_color_ramp_base.html">ColorRampD</a>& ramp, <span class="keywordtype">double</span> waterLevel = 0.5, <a class="code hl_enumeration" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4">Render</a> render = Render::Colored) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <a class="code hl_class" href="classgf_1_1_array2_d.html">Array2D<double, int></a> m_data;</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> };</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span><span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span>}</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span>}</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span><span class="preprocessor">#endif </span><span class="comment">// GF_HEIGHTMAP_H</span></div>
<div class="ttc" id="aclassgf_1_1_array2_d_html"><div class="ttname"><a href="classgf_1_1_array2_d.html">gf::Array2D< double, int ></a></div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html"><div class="ttname"><a href="classgf_1_1_heightmap.html">gf::Heightmap</a></div><div class="ttdoc">A heightmap.</div><div class="ttdef"><b>Definition:</b> Heightmap.h:44</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a0f73c3f4a6ba9245aefc70f5854b3263"><div class="ttname"><a href="classgf_1_1_heightmap.html#a0f73c3f4a6ba9245aefc70f5854b3263">gf::Heightmap::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Reset the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a23270fcee9c9daa170abda92f02d781f"><div class="ttname"><a href="classgf_1_1_heightmap.html#a23270fcee9c9daa170abda92f02d781f">gf::Heightmap::digHill</a></div><div class="ttdeci">void digHill(Vector2d center, double radius, double height)</div><div class="ttdoc">Dig a hill in the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a34b0fa2fb971fd94874a9ca0160fde56"><div class="ttname"><a href="classgf_1_1_heightmap.html#a34b0fa2fb971fd94874a9ca0160fde56">gf::Heightmap::Heightmap</a></div><div class="ttdeci">Heightmap()=default</div><div class="ttdoc">Default constructor.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a34f44c5d6f642b142412ac9be23329cf"><div class="ttname"><a href="classgf_1_1_heightmap.html#a34f44c5d6f642b142412ac9be23329cf">gf::Heightmap::clamp</a></div><div class="ttdeci">void clamp(double min=0.0, double max=1.0)</div><div class="ttdoc">Clamp the values of the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a3f236a680689d7139772a9b4bcb7d38d"><div class="ttname"><a href="classgf_1_1_heightmap.html#a3f236a680689d7139772a9b4bcb7d38d">gf::Heightmap::hydraulicErosion</a></div><div class="ttdeci">void hydraulicErosion(unsigned iterations, double rainAmount, double solubility, double evaporation, double capacity)</div><div class="ttdoc">Apply hydraulic erosision to the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a4d6fbfcede9b757fb37d8e76097bc319"><div class="ttname"><a href="classgf_1_1_heightmap.html#a4d6fbfcede9b757fb37d8e76097bc319">gf::Heightmap::getSlope</a></div><div class="ttdeci">double getSlope(Vector2i position) const</div><div class="ttdoc">Compute the slope at a position.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a599a8fbf293b6dda8a8ad0a88b315377"><div class="ttname"><a href="classgf_1_1_heightmap.html#a599a8fbf293b6dda8a8ad0a88b315377">gf::Heightmap::addHill</a></div><div class="ttdeci">void addHill(Vector2d center, double radius, double height)</div><div class="ttdoc">Add a hill to the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a602e2c55f8d0fbdb9fa37a0a4a87f788"><div class="ttname"><a href="classgf_1_1_heightmap.html#a602e2c55f8d0fbdb9fa37a0a4a87f788">gf::Heightmap::copyToColoredImage</a></div><div class="ttdeci">Image copyToColoredImage(const ColorRampD &ramp, double waterLevel=0.5, Render render=Render::Colored) const</div><div class="ttdoc">Export to a colored image.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a61242f9a76feea5df8cc87242e0d9274"><div class="ttname"><a href="classgf_1_1_heightmap.html#a61242f9a76feea5df8cc87242e0d9274">gf::Heightmap::setValue</a></div><div class="ttdeci">void setValue(Vector2i position, double value)</div><div class="ttdoc">Set the value at the specified position.</div><div class="ttdef"><b>Definition:</b> Heightmap.h:90</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a66e60f36f6c1aab6c0fa80d48b94191d"><div class="ttname"><a href="classgf_1_1_heightmap.html#a66e60f36f6c1aab6c0fa80d48b94191d">gf::Heightmap::copyToGrayscaleImage</a></div><div class="ttdeci">Image copyToGrayscaleImage() const</div><div class="ttdoc">Export to a grayscale image.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a7ca818c0848c0e79b9f78b59e71f6649"><div class="ttname"><a href="classgf_1_1_heightmap.html#a7ca818c0848c0e79b9f78b59e71f6649">gf::Heightmap::addValue</a></div><div class="ttdeci">void addValue(double value)</div><div class="ttdoc">Add a constant to the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a7d1d6af9c7a00ceaf47391f607dd641c"><div class="ttname"><a href="classgf_1_1_heightmap.html#a7d1d6af9c7a00ceaf47391f607dd641c">gf::Heightmap::subMap</a></div><div class="ttdeci">Heightmap subMap(RectI area) const</div><div class="ttdoc">Get a sub-map of the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a7e75d60d09325cf6d8b5314a8b5e8494"><div class="ttname"><a href="classgf_1_1_heightmap.html#a7e75d60d09325cf6d8b5314a8b5e8494">gf::Heightmap::thermalErosion</a></div><div class="ttdeci">void thermalErosion(unsigned iterations, double talus, double fraction)</div><div class="ttdoc">Apply thermal erosion to the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a8f57593753ae1d3524c9cbf486b48c38"><div class="ttname"><a href="classgf_1_1_heightmap.html#a8f57593753ae1d3524c9cbf486b48c38">gf::Heightmap::getMinMax</a></div><div class="ttdeci">std::tuple< double, double > getMinMax() const</div><div class="ttdoc">Get the minimum and maximum of the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a91d4d0820d83a0017979d09eb0722e6d"><div class="ttname"><a href="classgf_1_1_heightmap.html#a91d4d0820d83a0017979d09eb0722e6d">gf::Heightmap::addNoise</a></div><div class="ttdeci">void addNoise(Noise2D &noise, double scale=1.0)</div><div class="ttdoc">Add a noise to the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_a93020b746ea67fb83ed3ce520ca60a17"><div class="ttname"><a href="classgf_1_1_heightmap.html#a93020b746ea67fb83ed3ce520ca60a17">gf::Heightmap::Heightmap</a></div><div class="ttdeci">Heightmap(Vector2i size)</div><div class="ttdoc">Constructor.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_aaa100a9175f8dd28fd43b39a7d7769d3"><div class="ttname"><a href="classgf_1_1_heightmap.html#aaa100a9175f8dd28fd43b39a7d7769d3">gf::Heightmap::scale</a></div><div class="ttdeci">void scale(double value)</div><div class="ttdoc">Scale the values of the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_aafdac386fbe1379ae476e5810da9488d"><div class="ttname"><a href="classgf_1_1_heightmap.html#aafdac386fbe1379ae476e5810da9488d">gf::Heightmap::fastErosion</a></div><div class="ttdeci">void fastErosion(unsigned iterations, double talus, double fraction)</div><div class="ttdoc">Apply fast erosion to the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_aca20336340f6c9f326e6aeeee96d4ae4"><div class="ttname"><a href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4">gf::Heightmap::Render</a></div><div class="ttdeci">Render</div><div class="ttdoc">Rendering mode.</div><div class="ttdef"><b>Definition:</b> Heightmap.h:229</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_acc9d34fd2541c3ad0438eea4a972d55e"><div class="ttname"><a href="classgf_1_1_heightmap.html#acc9d34fd2541c3ad0438eea4a972d55e">gf::Heightmap::normalize</a></div><div class="ttdeci">void normalize(double min=0.0, double max=1.0)</div><div class="ttdoc">Normalize the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_ad4025649625bd737917459a9cef8437e"><div class="ttname"><a href="classgf_1_1_heightmap.html#ad4025649625bd737917459a9cef8437e">gf::Heightmap::getValue</a></div><div class="ttdeci">double getValue(Vector2i position) const</div><div class="ttdoc">Get the value at the specified position.</div><div class="ttdef"><b>Definition:</b> Heightmap.h:80</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_ae4833677969e827030a098a195cbd0c2"><div class="ttname"><a href="classgf_1_1_heightmap.html#ae4833677969e827030a098a195cbd0c2">gf::Heightmap::getErosionScore</a></div><div class="ttdeci">double getErosionScore() const</div><div class="ttdoc">Compute the erosion score for the heightmap.</div></div>
<div class="ttc" id="aclassgf_1_1_heightmap_html_ae77848b6cdd60658af1d15764cde6bac"><div class="ttname"><a href="classgf_1_1_heightmap.html#ae77848b6cdd60658af1d15764cde6bac">gf::Heightmap::getSize</a></div><div class="ttdeci">Vector2i getSize() const</div><div class="ttdoc">Get the size of the heightmap.</div><div class="ttdef"><b>Definition:</b> Heightmap.h:63</div></div>
<div class="ttc" id="aclassgf_1_1_image_html"><div class="ttname"><a href="classgf_1_1_image.html">gf::Image</a></div><div class="ttdoc">Class for loading, manipulating and saving images.</div><div class="ttdef"><b>Definition:</b> Image.h:81</div></div>
<div class="ttc" id="aclassgf_1_1_noise2_d_html"><div class="ttname"><a href="classgf_1_1_noise2_d.html">gf::Noise2D</a></div><div class="ttdoc">2D A noise function</div><div class="ttdef"><b>Definition:</b> Noise.h:35</div></div>
<div class="ttc" id="agroup__core__geometry_html_gaaebbcd888bf490db7192bc9c5dc066e1"><div class="ttname"><a href="group__core__geometry.html#gaaebbcd888bf490db7192bc9c5dc066e1">gf::scale</a></div><div class="ttdeci">GF_CORE_API void scale(Matrix3f &mat, Vector2f factor)</div><div class="ttdoc">Combine the current transform with a scaling.</div></div>
<div class="ttc" id="anamespacegf_html"><div class="ttname"><a href="namespacegf.html">gf</a></div><div class="ttdoc">The namespace for gf classes.</div><div class="ttdef"><b>Definition:</b> Action.h:35</div></div>
<div class="ttc" id="astructgf_1_1_color_ramp_base_html"><div class="ttname"><a href="structgf_1_1_color_ramp_base.html">gf::ColorRampBase</a></div><div class="ttdoc">A color ramp.</div><div class="ttdef"><b>Definition:</b> ColorRamp.h:49</div></div>
<div class="ttc" id="astructgf_1_1_rect_html"><div class="ttname"><a href="structgf_1_1_rect.html">gf::Rect< int ></a></div></div>
<div class="ttc" id="astructgf_1_1_vector_html"><div class="ttname"><a href="structgf_1_1_vector.html">gf::Vector< int, 2 ></a></div></div>
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