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diff --git a/Doc/doxygen/html/_water_8cpp_source.html b/Doc/doxygen/html/_water_8cpp_source.html new file mode 100644 index 0000000..4dc72ea --- /dev/null +++ b/Doc/doxygen/html/_water_8cpp_source.html @@ -0,0 +1,412 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> +<head> +<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> +<meta http-equiv="X-UA-Compatible" content="IE=9"/> +<title>Starshatter_Open: D:/SRC/StarshatterSVN/nGenEx/Water.cpp Source File</title> +<link href="tabs.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="jquery.js"></script> +<script type="text/javascript" src="dynsections.js"></script> +<link href="navtree.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="resize.js"></script> +<script type="text/javascript" src="navtree.js"></script> +<script type="text/javascript"> + $(document).ready(initResizable); +</script> +<link href="search/search.css" rel="stylesheet" type="text/css"/> +<script type="text/javascript" src="search/search.js"></script> +<script type="text/javascript"> + $(document).ready(function() { searchBox.OnSelectItem(0); }); +</script> +<link href="doxygen.css" rel="stylesheet" type="text/css" /> +</head> +<body> +<div id="top"><!-- do not remove this div, it is closed by doxygen! --> +<div id="titlearea"> +<table cellspacing="0" cellpadding="0"> + <tbody> + <tr style="height: 56px;"> + <td style="padding-left: 0.5em;"> + <div id="projectname">Starshatter_Open + </div> + <div id="projectbrief">Open source Starshatter engine</div> + </td> + </tr> + </tbody> +</table> +</div> +<!-- end header part --> +<!-- Generated by Doxygen 1.8.1 --> +<script type="text/javascript"> +var searchBox = new SearchBox("searchBox", "search",false,'Search'); +</script> + <div id="navrow1" class="tabs"> + <ul class="tablist"> + <li><a href="index.html"><span>Main Page</span></a></li> + <li><a href="annotated.html"><span>Classes</span></a></li> + <li class="current"><a href="files.html"><span>Files</span></a></li> + <li> + <div id="MSearchBox" class="MSearchBoxInactive"> + <span class="left"> + <img id="MSearchSelect" src="search/mag_sel.png" + onmouseover="return searchBox.OnSearchSelectShow()" + onmouseout="return searchBox.OnSearchSelectHide()" + alt=""/> + <input type="text" id="MSearchField" value="Search" accesskey="S" + onfocus="searchBox.OnSearchFieldFocus(true)" + onblur="searchBox.OnSearchFieldFocus(false)" + onkeyup="searchBox.OnSearchFieldChange(event)"/> + </span><span class="right"> + <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> + </span> + </div> + </li> + </ul> + </div> + <div id="navrow2" class="tabs2"> + <ul class="tablist"> + <li><a href="files.html"><span>File List</span></a></li> + <li><a href="globals.html"><span>File Members</span></a></li> + </ul> + </div> +</div><!-- top --> +<div id="side-nav" class="ui-resizable side-nav-resizable"> + <div id="nav-tree"> + <div id="nav-tree-contents"> + </div> + </div> + <div id="splitbar" style="-moz-user-select:none;" + class="ui-resizable-handle"> + </div> +</div> +<script type="text/javascript"> +$(document).ready(function(){initNavTree('_water_8cpp.html','');}); +</script> +<div id="doc-content"> +<!-- window showing the filter options --> +<div id="MSearchSelectWindow" + onmouseover="return searchBox.OnSearchSelectShow()" + onmouseout="return searchBox.OnSearchSelectHide()" + onkeydown="return searchBox.OnSearchSelectKey(event)"> +<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Macros</a></div> + +<!-- iframe showing the search results (closed by default) --> +<div id="MSearchResultsWindow"> +<iframe src="javascript:void(0)" frameborder="0" + name="MSearchResults" id="MSearchResults"> +</iframe> +</div> + +<div class="header"> + <div class="headertitle"> +<div class="title">Water.cpp</div> </div> +</div><!--header--> +<div class="contents"> +<a href="_water_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* Project nGenEx</span></div> +<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Destroyer Studios LLC</span></div> +<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright © 1997-2006. All Rights Reserved.</span></div> +<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"></span></div> +<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> SUBSYSTEM: nGen.lib</span></div> +<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> FILE: Water.cpp</span></div> +<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> AUTHOR: John DiCamillo</span></div> +<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"></span></div> +<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div> +<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> OVERVIEW</span></div> +<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> ========</span></div> +<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> Water surface effect w/ reflection and caustics</span></div> +<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">*/</span></div> +<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> +<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "<a class="code" href="_mem_debug_8h.html">MemDebug.h</a>"</span></div> +<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "<a class="code" href="_water_8h.html">Water.h</a>"</span></div> +<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="_random_8h.html">Random.h</a>"</span></div> +<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div> +<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div> +<div class="line"><a name="l00021"></a><span class="lineno"><a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html"> 21</a></span> <span class="keyword">struct </span><a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html">WATER_REFRACT</a></div> +<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> {</div> +<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="comment">// Vrefract = (V + refract * N) * norm</span></div> +<div class="line"><a name="l00024"></a><span class="lineno"><a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html#af992ebf4b173311933d0883d404b74b8"> 24</a></span>  <span class="keywordtype">float</span> <a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html#af992ebf4b173311933d0883d404b74b8">refract</a>;</div> +<div class="line"><a name="l00025"></a><span class="lineno"><a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html#a5b8147388b6595b3a597adecac413315"> 25</a></span>  <span class="keywordtype">float</span> <a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html#a5b8147388b6595b3a597adecac413315">refractNorm</a>; </div> +<div class="line"><a name="l00026"></a><span class="lineno"><a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html#a2a3beee767c7cdf946d6864455f47940"> 26</a></span>  DWORD <a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html#a2a3beee767c7cdf946d6864455f47940">diffuse</a>;</div> +<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> };</div> +<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> +<div class="line"><a name="l00029"></a><span class="lineno"><a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html"> 29</a></span> <span class="keyword">struct </span><a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html">WATER_SURFACE</a></div> +<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div> +<div class="line"><a name="l00031"></a><span class="lineno"><a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a"> 31</a></span>  <span class="keywordtype">float</span> <a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a>;</div> +<div class="line"><a name="l00032"></a><span class="lineno"><a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#a8fa75c1e9a76024ea3a0e95db081d46e"> 32</a></span>  <a class="code" href="struct_vec3.html">Vec3</a> <a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#a8fa75c1e9a76024ea3a0e95db081d46e">normal</a>;</div> +<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> };</div> +<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> +<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div> +<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#if defined(_X86) && !defined(_WIN64)</span></div> +<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="_water_8cpp.html#a03b2ccab8641ae287466d2e3963b515e">f2i</a>(<span class="keywordtype">float</span> flt) </div> +<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div> +<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">volatile</span> <span class="keywordtype">int</span> n; </div> +<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div> +<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  __asm </div> +<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {</div> +<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  fld flt</div> +<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  fistp n</div> +<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div> +<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div> +<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> n;</div> +<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> }</div> +<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#else</span></div> +<div class="line"><a name="l00051"></a><span class="lineno"><a class="code" href="_water_8cpp.html#a03b2ccab8641ae287466d2e3963b515e"> 51</a></span> <span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="_water_8cpp.html#a03b2ccab8641ae287466d2e3963b515e">f2i</a>(<span class="keywordtype">float</span> flt) </div> +<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> {</div> +<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> (<span class="keywordtype">int</span>) flt;</div> +<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> }</div> +<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#endif</span></div> +<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"></span></div> +<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> +<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> +<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">static</span> <a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html">WATER_REFRACT</a> RefractionTable[512];</div> +<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> refractInit = <span class="keyword">false</span>;</div> +<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div> +<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> WAVE_SIZE = 256;</div> +<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">static</span> <span class="keyword">const</span> DWORD WAVE_MASK = 0xff;</div> +<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> +<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> +<div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="class_water.html#a32d8f391b149a405008a606ceafa35ee"> 68</a></span> <a class="code" href="class_water.html#a32d8f391b149a405008a606ceafa35ee">Water::Water</a>()</div> +<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> : size(0), depth(0), scaleTex(1), avgHeight(0),</div> +<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> nVertices(0), surface(0), waves(0)</div> +<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> {</div> +<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> }</div> +<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div> +<div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="class_water.html#aa613ad181694d2d0e18059f3822415fe"> 74</a></span> <a class="code" href="class_water.html#aa613ad181694d2d0e18059f3822415fe">Water::~Water</a>()</div> +<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> {</div> +<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">delete</span> [] <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>;</div> +<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">delete</span> [] <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>;</div> +<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> }</div> +<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div> +<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div> +<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00083"></a><span class="lineno"><a class="code" href="class_water.html#a6e531eb81a5b3da30ddb3894cd7bffff"> 83</a></span> <a class="code" href="class_water.html#a6e531eb81a5b3da30ddb3894cd7bffff">Water::Init</a>(<span class="keywordtype">int</span> n, <span class="keywordtype">float</span> s, <span class="keywordtype">float</span> d)</div> +<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> {</div> +<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="class_water.html#aa5c8ea6ab0eb7aceb3921b00c697d164">size</a> = s;</div> +<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="class_water.html#a0a82cd0c3c66db6a4505393d8a7ebee2">depth</a> = d;</div> +<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="class_water.html#a444962cc6bd34faaead95baa60cdca0f">scaleTex</a> = 1/<a class="code" href="class_water.html#aa5c8ea6ab0eb7aceb3921b00c697d164">size</a>;</div> +<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div> +<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// Calculate number of vertices</span></div> +<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="class_water.html#af9d66580b11adb2a54bb59a5c7183c19">nVertices</a> = n;</div> +<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div> +<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// Create refraction table</span></div> +<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (!refractInit) {</div> +<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html">WATER_REFRACT</a>* refract = &RefractionTable[256];</div> +<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> +<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">for</span> (UINT u = 0; u < 256; u++) { </div> +<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">float</span> fCos0 = (float) u / (<span class="keywordtype">float</span>) 256.0f;</div> +<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">float</span> f0 = acosf(fCos0);</div> +<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">float</span> fSin0 = sinf(f0);</div> +<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> +<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">float</span> fSin1 = fSin0 / 1.333f; <span class="comment">// water</span></div> +<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">float</span> f1 = asinf(fSin1);</div> +<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">float</span> fCos1 = cosf(f1);</div> +<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> +<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  refract[u].<a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html#af992ebf4b173311933d0883d404b74b8">refract</a> = fSin0 / fSin1 * fCos1 - fCos0;</div> +<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  refract[u].<a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html#a5b8147388b6595b3a597adecac413315">refractNorm</a> = - fSin1 / fSin0;</div> +<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  refract[u].<a class="code" href="struct_w_a_t_e_r___r_e_f_r_a_c_t.html#a2a3beee767c7cdf946d6864455f47940">diffuse</a> = ((((0xff - u)*(0xff - u)*(0xff - u)) << 8) & 0xff000000);</div> +<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div> +<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  RefractionTable[u] = RefractionTable[256];</div> +<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div> +<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> +<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  refractInit = <span class="keyword">true</span>;</div> +<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div> +<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> +<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// Create maps</span></div> +<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (<a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>)</div> +<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">delete</span> [] <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>;</div> +<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div> +<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a> = <span class="keyword">new</span>(__FILE__,__LINE__) <a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html">WATER_SURFACE</a>[n*n];</div> +<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  ZeroMemory(<a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>, n*n * <span class="keyword">sizeof</span>(<a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html">WATER_SURFACE</a>));</div> +<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div> +<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (<a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>)</div> +<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">delete</span> [] <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>;</div> +<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div> +<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a> = <span class="keyword">new</span>(__FILE__,__LINE__) <span class="keywordtype">float</span>[WAVE_SIZE*4];</div> +<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div> +<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">double</span> f = 1.0 / (double) WAVE_SIZE;</div> +<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < WAVE_SIZE; i++) {</div> +<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">double</span> s0 = sin(2*<a class="code" href="_geometry_8h.html#a952eac791b596a61bba0a133a3bb439f">PI</a>*i*f);</div> +<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">double</span> s1 = sin(4*<a class="code" href="_geometry_8h.html#a952eac791b596a61bba0a133a3bb439f">PI</a>*i*f);</div> +<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">double</span> s2 = sin(6*<a class="code" href="_geometry_8h.html#a952eac791b596a61bba0a133a3bb439f">PI</a>*i*f);</div> +<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">double</span> s3 = sin(8*<a class="code" href="_geometry_8h.html#a952eac791b596a61bba0a133a3bb439f">PI</a>*i*f);</div> +<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> +<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>[0*WAVE_SIZE + i] = (float) (1.8 * s0*s0 - 0.9);</div> +<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>[1*WAVE_SIZE + i] = (float) (1.6 * s1*s1 - 0.8);</div> +<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>[2*WAVE_SIZE + i] = (float) (0.4 * s2);</div> +<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>[3*WAVE_SIZE + i] = (float) (0.8 * s3*s3 - 0.4);</div> +<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div> +<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div> +<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 4; i++) {</div> +<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="class_water.html#a4be45cd6612d64b4a365505ac80ac3d8">offsets</a>[i] = (float) <a class="code" href="_random_8cpp.html#a93eaa94ec1af8703c6427ed5431ec61c">Random</a>(0, WAVE_SIZE);</div> +<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div> +<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div> +<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="class_water.html#a4be45cd6612d64b4a365505ac80ac3d8">offsets</a>[4] = 12.45f;</div> +<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="class_water.html#a4be45cd6612d64b4a365505ac80ac3d8">offsets</a>[5] = 14.23f;</div> +<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="class_water.html#a4be45cd6612d64b4a365505ac80ac3d8">offsets</a>[6] = 16.72f;</div> +<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="class_water.html#a4be45cd6612d64b4a365505ac80ac3d8">offsets</a>[7] = 20.31f;</div> +<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> }</div> +<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div> +<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div> +<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00153"></a><span class="lineno"><a class="code" href="class_water.html#a2afc107caf58cec0f159ee6391dcbb2c"> 153</a></span> <a class="code" href="class_water.html#a2afc107caf58cec0f159ee6391dcbb2c">Water::CalcWaves</a>(<span class="keywordtype">double</span> seconds)</div> +<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> {</div> +<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">int</span> i, n[4];</div> +<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  UINT SIZE = <a class="code" href="class_water.html#af9d66580b11adb2a54bb59a5c7183c19">nVertices</a>;</div> +<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  UINT STEP = WAVE_SIZE / (SIZE-1);</div> +<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  UINT STEP2 = STEP/2;</div> +<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  UINT AREA = SIZE * SIZE;</div> +<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  UINT x, y;</div> +<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div> +<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">for</span> (i = 0; i < 4; i++) {</div> +<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  n[i] = (int) <a class="code" href="class_water.html#a4be45cd6612d64b4a365505ac80ac3d8">offsets</a>[i];</div> +<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div> +<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div> +<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html">WATER_SURFACE</a>* pSurf = <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>;</div> +<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div> +<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// compute heights</span></div> +<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">for</span> (y = 0; y < SIZE; y++) {</div> +<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">for</span> (x = 0; x < SIZE; x++) {</div> +<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">float</span> h = 0;</div> +<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  h += <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>[ ((n[0] + x*STEP</div> +<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  - y*STEP2) & WAVE_MASK) + 0*WAVE_SIZE ];</div> +<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  h += <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>[ ((n[1] + x*STEP2</div> +<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  + y*STEP) & WAVE_MASK) + 1*WAVE_SIZE ];</div> +<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  h += <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>[ ((n[2] + x*STEP) & WAVE_MASK) + 2*WAVE_SIZE ];</div> +<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  h += <a class="code" href="class_water.html#aa28439cf1f0e9bc26e2a2bf95eeea9f7">waves</a>[ ((n[3] + y*STEP) & WAVE_MASK) + 3*WAVE_SIZE ];</div> +<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div> +<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  pSurf-><a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a> = h * <a class="code" href="class_water.html#a0a82cd0c3c66db6a4505393d8a7ebee2">depth</a>;</div> +<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  pSurf++;</div> +<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div> +<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div> +<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div> +<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// compute normals</span></div> +<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  UINT uXN, uX0, uXP;</div> +<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  UINT uYN, uY0, uYP;</div> +<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div> +<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  uYP = AREA - SIZE;</div> +<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  uY0 = 0;</div> +<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  uYN = SIZE;</div> +<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div> +<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">for</span> (y = 0; y < SIZE; y++) {</div> +<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  uXP = SIZE - 1;</div> +<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  uX0 = 0;</div> +<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  uXN = 1;</div> +<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div> +<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">for</span> (x = 0; x < SIZE; x++) {</div> +<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="struct_vec3.html">Vec3</a> vecN;</div> +<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordtype">float</span> f;</div> +<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div> +<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  f = <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>[uXN + uYN].<a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a> - <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>[uXP + uYP].<a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a>; vecN.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a> = vecN.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a> = f; </div> +<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  f = <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>[uX0 + uYN].<a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a> - <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>[uX0 + uYP].<a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a>; vecN.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a> += f;</div> +<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  f = <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>[uXP + uYN].<a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a> - <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>[uXN + uYP].<a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a>; vecN.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a> -= f; vecN.<a class="code" href="struct_vec3.html#a64f3f00cd2dd9076999eeb2f05210388">z</a> += f;</div> +<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  f = <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>[uXN + uY0].<a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a> - <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>[uXP + uY0].<a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a>; vecN.<a class="code" href="struct_vec3.html#a2814580e9b9372738c0a61197ea46b51">x</a> += f;</div> +<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div> +<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  vecN.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a> = -15.0f * <a class="code" href="class_water.html#a0a82cd0c3c66db6a4505393d8a7ebee2">depth</a>;</div> +<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  vecN.<a class="code" href="struct_vec3.html#a269d13893a87a616b6709e5fc3d34d4f">Normalize</a>();</div> +<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div> +<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>[uX0 + uY0].<a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#a8fa75c1e9a76024ea3a0e95db081d46e">normal</a> = vecN * -1.0f;</div> +<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div> +<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  uXP = uX0;</div> +<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  uX0 = uXN;</div> +<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  uXN = (uXN + 1) % SIZE;</div> +<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  }</div> +<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div> +<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  uYP = uY0;</div> +<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  uY0 = uYN;</div> +<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  uYN = (uYN + SIZE) % AREA;</div> +<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div> +<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div> +<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// update offsets</span></div> +<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">for</span> (i = 0; i < 4; i++) {</div> +<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <a class="code" href="class_water.html#a4be45cd6612d64b4a365505ac80ac3d8">offsets</a>[i] += (float) (<a class="code" href="class_water.html#a4be45cd6612d64b4a365505ac80ac3d8">offsets</a>[i+4] * seconds);</div> +<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div> +<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (<a class="code" href="class_water.html#a4be45cd6612d64b4a365505ac80ac3d8">offsets</a>[i] > WAVE_SIZE)</div> +<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="class_water.html#a4be45cd6612d64b4a365505ac80ac3d8">offsets</a>[i] -= WAVE_SIZE;</div> +<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div> +<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div> +<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> }</div> +<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div> +<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div> +<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00234"></a><span class="lineno"><a class="code" href="class_water.html#a672dd845027506dca4be724cc910945b"> 234</a></span> <a class="code" href="class_water.html#a672dd845027506dca4be724cc910945b">Water::UpdateSurface</a>(<a class="code" href="struct_vec3.html">Vec3</a>& eyePos, <a class="code" href="struct_vertex_set.html">VertexSet</a>* vset)</div> +<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> {</div> +<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  UINT SIZE = <a class="code" href="class_water.html#af9d66580b11adb2a54bb59a5c7183c19">nVertices</a>;</div> +<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  UINT AREA = SIZE * SIZE;</div> +<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  UINT x, y;</div> +<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div> +<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html">WATER_SURFACE</a>* pSurf = <a class="code" href="class_water.html#a52fb75c11e2e4f1699413fd2d59fc139">surface</a>;</div> +<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="struct_vec3.html">Vec3</a>* pLoc = vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>;</div> +<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="struct_vec3.html">Vec3</a>* pNorm = vset-><a class="code" href="struct_vertex_set.html#a8ec6916c3e1db17ea271ccaa7a839b07">nrm</a>;</div> +<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  DWORD* pDiff = vset-><a class="code" href="struct_vertex_set.html#aba2d775c75be70d0d821281d2f02d788">diffuse</a>;</div> +<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordtype">float</span>* pTu = vset-><a class="code" href="struct_vertex_set.html#af62b2db3dc8405d7061691a67339604d">tu</a>;</div> +<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordtype">float</span>* pTv = vset-><a class="code" href="struct_vertex_set.html#a49d11e5c7d4b3026a5ee92052ff65a9f">tv</a>;</div> +<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div> +<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordtype">float</span> fInc = 1.0f / (float) (SIZE-1);</div> +<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">float</span> fx = 0.0f;</div> +<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordtype">float</span> fz = 0.0f;</div> +<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div> +<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">for</span> (y = 0; y < SIZE; y++) {</div> +<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">for</span> (x = 0; x < SIZE; x++) {</div> +<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// update vertex height and normal</span></div> +<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  pLoc-><a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a> += pSurf-><a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#af64b9824f58671ca4dc1b2f5d3f9d99a">height</a>;</div> +<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  *pNorm = pSurf-><a class="code" href="struct_w_a_t_e_r___s_u_r_f_a_c_e.html#a8fa75c1e9a76024ea3a0e95db081d46e">normal</a>;</div> +<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div> +<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="comment">/*</span></div> +<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> // Update texture coords and diffuse based upon refraction</span></div> +<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> Vec3 vec = eyePos - *pLoc;</span></div> +<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> vec.Normalize();</span></div> +<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"></span></div> +<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> WATER_REFRACT *pRefract;</span></div> +<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> pRefract = RefractionTable + 256 + f2i(vec.dot(*pNorm) * 255.0f);</span></div> +<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"></span></div> +<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> *pDiff = pRefract->diffuse;</span></div> +<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"></span></div> +<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> // compute apparent displacement</span></div> +<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> Vec3 vecD = (pSurf->normal * pRefract->refract + vec) * pRefract->refractNorm;</span></div> +<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> Vec3 vecP = *pLoc;</span></div> +<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"> vecP.y -= depth;</span></div> +<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"></span></div> +<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> // perturb texture coords</span></div> +<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> float fB = vecD * vecP * 2.0f;</span></div> +<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> float fD = fB * fB - depth;</span></div> +<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> float fScale = (-fB + sqrtf(fD)) * 0.5f;</span></div> +<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"></span></div> +<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"> *pTu = vecD.x * fScale + fx;</span></div> +<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> *pTv = vecD.z * fScale + fz;</span></div> +<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> */</span></div> +<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div> +<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  fx += fInc;</div> +<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  pSurf++;</div> +<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  pLoc++;</div> +<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  pNorm++;</div> +<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  pDiff++;</div> +<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  pTu++;</div> +<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  pTv++;</div> +<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div> +<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div> +<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  fx = 0.0f;</div> +<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  fz += fInc;</div> +<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div> +<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> }</div> +<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div> +<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div> +</div><!-- fragment --></div><!-- contents --> +</div><!-- doc-content --> +<!-- start footer part --> +<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> + <ul> + <li class="navelem"><a class="el" href="dir_d6625d0f3efd9eb70ff961583505095b.html">nGenEx</a></li><li class="navelem"><a class="el" href="_water_8cpp.html">Water.cpp</a></li> + <li class="footer">Generated on Thu May 31 2012 16:30:59 for Starshatter_Open by + <a href="http://www.doxygen.org/index.html"> + <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.1 </li> + </ul> +</div> +</body> +</html> |