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+ <div id="projectname">Starshatter_Open
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+ <div id="projectbrief">Open source Starshatter engine</div>
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+<div class="title">Contact.cpp</div> </div>
+</div><!--header-->
+<div class="contents">
+<a href="_contact_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>&#160;<span class="comment">/* Project Starshatter 4.5</span></div>
+<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> Destroyer Studios LLC</span></div>
+<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> Copyright © 1997-2004. All Rights Reserved.</span></div>
+<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"></span></div>
+<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> SUBSYSTEM: Stars.exe</span></div>
+<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> FILE: Contact.cpp</span></div>
+<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> AUTHOR: John DiCamillo</span></div>
+<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"></span></div>
+<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"></span></div>
+<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> OVERVIEW</span></div>
+<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> ========</span></div>
+<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> Integrated (Passive and Active) Sensor Package class implementation</span></div>
+<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">*/</span></div>
+<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
+<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_mem_debug_8h.html">MemDebug.h</a>&quot;</span></div>
+<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_contact_8h.html">Contact.h</a>&quot;</span></div>
+<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_drone_8h.html">Drone.h</a>&quot;</span></div>
+<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_sensor_8h.html">Sensor.h</a>&quot;</span></div>
+<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_ship_8h.html">Ship.h</a>&quot;</span></div>
+<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_sim_8h.html">Sim.h</a>&quot;</span></div>
+<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_weapon_design_8h.html">WeaponDesign.h</a>&quot;</span></div>
+<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
+<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_game_8h.html">Game.h</a>&quot;</span></div>
+<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div>
+<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment">// +----------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div>
+<div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="_contact_8cpp.html#af579ad5d2aa0bbc176409f976a3161a4"> 27</a></span>&#160;<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="_contact_8cpp.html#af579ad5d2aa0bbc176409f976a3161a4">DEFAULT_TRACK_UPDATE</a> = 500; <span class="comment">// milliseconds</span></div>
+<div class="line"><a name="l00028"></a><span class="lineno"><a class="code" href="_contact_8cpp.html#a456e95fa0c412e5d25ae19db90e66c29"> 28</a></span>&#160;<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="_contact_8cpp.html#a456e95fa0c412e5d25ae19db90e66c29">DEFAULT_TRACK_LENGTH</a> = 20; <span class="comment">// 10 seconds</span></div>
+<div class="line"><a name="l00029"></a><span class="lineno"><a class="code" href="_contact_8cpp.html#ae9999ce281da41d150d4e04613018e40"> 29</a></span>&#160;<span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="_contact_8cpp.html#ae9999ce281da41d150d4e04613018e40">DEFAULT_TRACK_AGE</a> = 10; <span class="comment">// 10 seconds</span></div>
+<div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="_contact_8cpp.html#ae1be8e03496f6c8d68c3fa04a7dbc8cc"> 30</a></span>&#160;<span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="_contact_8cpp.html#ae1be8e03496f6c8d68c3fa04a7dbc8cc">SENSOR_THRESHOLD</a> = 0.25;</div>
+<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div>
+<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">// +----------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div>
+<div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="class_contact.html#ae39444f378e6de7fd6c3e60981949af5"> 34</a></span>&#160;<a class="code" href="class_contact.html#ae39444f378e6de7fd6c3e60981949af5">Contact::Contact</a>()</div>
+<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;: ship(0), shot(0), d_pas(0.0f), d_act(0.0f),</div>
+<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;track(0), ntrack(0), time(0), track_time(0), probe(false)</div>
+<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;{</div>
+<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; acquire_time = <a class="code" href="class_game.html#ac76ba05e5da1ac16b84367e513e59466">Game::GameTime</a>();</div>
+<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;}</div>
+<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div>
+<div class="line"><a name="l00041"></a><span class="lineno"><a class="code" href="class_contact.html#aa88865f0c4bf7645e9ce3d51153a44f5"> 41</a></span>&#160;<a class="code" href="class_contact.html#ae39444f378e6de7fd6c3e60981949af5">Contact::Contact</a>(<a class="code" href="class_ship.html">Ship</a>* s, <span class="keywordtype">float</span> p, <span class="keywordtype">float</span> a)</div>
+<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;: ship(s), shot(0), d_pas(p), d_act(a),</div>
+<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;track(0), ntrack(0), time(0), track_time(0), probe(false)</div>
+<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;{</div>
+<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; acquire_time = <a class="code" href="class_game.html#ac76ba05e5da1ac16b84367e513e59466">Game::GameTime</a>();</div>
+<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <a class="code" href="class_sim_observer.html#ae6c9a20e4fd0bcb3590f983a391dd451">Observe</a>(ship);</div>
+<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;}</div>
+<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
+<div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="class_contact.html#a4b0feaaf7c8936519f09c66184ede19c"> 49</a></span>&#160;<a class="code" href="class_contact.html#ae39444f378e6de7fd6c3e60981949af5">Contact::Contact</a>(<a class="code" href="class_shot.html">Shot</a>* s, <span class="keywordtype">float</span> p, <span class="keywordtype">float</span> a)</div>
+<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;: ship(0), shot(s), d_pas(p), d_act(a),</div>
+<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;track(0), ntrack(0), time(0), track_time(0), probe(false)</div>
+<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;{</div>
+<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; acquire_time = <a class="code" href="class_game.html#ac76ba05e5da1ac16b84367e513e59466">Game::GameTime</a>();</div>
+<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <a class="code" href="class_sim_observer.html#ae6c9a20e4fd0bcb3590f983a391dd451">Observe</a>(shot);</div>
+<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;}</div>
+<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;</div>
+<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="comment">// +----------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div>
+<div class="line"><a name="l00059"></a><span class="lineno"><a class="code" href="class_contact.html#ab68013cc59e3d640735c573e52c35219"> 59</a></span>&#160;<a class="code" href="class_contact.html#ab68013cc59e3d640735c573e52c35219">Contact::~Contact</a>()</div>
+<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;{</div>
+<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keyword">delete</span> [] track;</div>
+<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;}</div>
+<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;</div>
+<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="comment">// +----------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;</div>
+<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="keywordtype">int</span> </div>
+<div class="line"><a name="l00067"></a><span class="lineno"><a class="code" href="class_contact.html#a8a0053554e516f501a27f983d5845cf7"> 67</a></span>&#160;<a class="code" href="class_contact.html#a8a0053554e516f501a27f983d5845cf7">Contact::operator == </a>(<span class="keyword">const</span> <a class="code" href="class_contact.html">Contact</a>&amp; c)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordflow">if</span> (ship)</div>
+<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">return</span> ship == c.ship;</div>
+<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
+<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (shot)</div>
+<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keywordflow">return</span> shot == c.shot;</div>
+<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div>
+<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordflow">return</span> 0;</div>
+<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;}</div>
+<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div>
+<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<span class="comment">// +----------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div>
+<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="keywordtype">bool</span></div>
+<div class="line"><a name="l00081"></a><span class="lineno"><a class="code" href="class_contact.html#ac5fa3909c8954019b5de2c9bf949c74f"> 81</a></span>&#160;<a class="code" href="class_contact.html#ac5fa3909c8954019b5de2c9bf949c74f">Contact::Update</a>(<a class="code" href="class_sim_object.html">SimObject</a>* obj)</div>
+<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;{</div>
+<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">if</span> (obj == ship || obj == shot) {</div>
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+<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; shot = 0;</div>
+<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; d_act = 0;</div>
+<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; d_pas = 0;</div>
+<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
+<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <a class="code" href="class_contact.html#a9e3d40bff713ad6ec4d81d7e19c0f7c8">ClearTrack</a>();</div>
+<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; }</div>
+<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div>
+<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">return</span> <a class="code" href="class_contact.html#ac5fa3909c8954019b5de2c9bf949c74f">SimObserver::Update</a>(obj); </div>
+<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;}</div>
+<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div>
+<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="keyword">const</span> <span class="keywordtype">char</span>*</div>
+<div class="line"><a name="l00096"></a><span class="lineno"><a class="code" href="class_contact.html#af29a7534fefe9ad97c35a83f9b532344"> 96</a></span>&#160;<a class="code" href="class_contact.html#af29a7534fefe9ad97c35a83f9b532344">Contact::GetObserverName</a>()<span class="keyword"> const</span></div>
+<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keyword">static</span> <span class="keywordtype">char</span> name[128];</div>
+<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;</div>
+<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">if</span> (ship)</div>
+<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; sprintf_s(name, <span class="stringliteral">&quot;Contact Ship=&#39;%s&#39;&quot;</span>, ship-&gt;<a class="code" href="class_physical.html#a805a89f8e93e2e66452b5cb6ab0c5f6b">Name</a>());</div>
+<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (shot)</div>
+<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; sprintf_s(name, <span class="stringliteral">&quot;Contact Shot=&#39;%s&#39; %s&quot;</span>, shot-&gt;<a class="code" href="class_physical.html#a805a89f8e93e2e66452b5cb6ab0c5f6b">Name</a>(), shot-&gt;<a class="code" href="class_shot.html#a811c0609a5d89d9a45f604d5d3386760">DesignName</a>());</div>
+<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">else</span></div>
+<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; sprintf_s(name, <span class="stringliteral">&quot;Contact (unknown)&quot;</span>);</div>
+<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;</div>
+<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keywordflow">return</span> name;</div>
+<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;}</div>
+<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;</div>
+<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="comment">// +----------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;</div>
+<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="keywordtype">double</span></div>
+<div class="line"><a name="l00113"></a><span class="lineno"><a class="code" href="class_contact.html#a4d656f976524272cb0ee69437d405d59"> 113</a></span>&#160;<a class="code" href="class_contact.html#a4d656f976524272cb0ee69437d405d59">Contact::Age</a>()<span class="keyword"> const</span></div>
+<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordtype">double</span> age = 0;</div>
+<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;</div>
+<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordflow">if</span> (!ship &amp;&amp; !shot)</div>
+<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">return</span> age;</div>
+<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;</div>
+<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keywordtype">double</span> seconds = (<a class="code" href="class_game.html#ac76ba05e5da1ac16b84367e513e59466">Game::GameTime</a>() - time) / 1000.0;</div>
+<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;</div>
+<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; age = 1.0 - seconds/<a class="code" href="_contact_8cpp.html#ae9999ce281da41d150d4e04613018e40">DEFAULT_TRACK_AGE</a>;</div>
+<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;</div>
+<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">if</span> (age &lt; 0)</div>
+<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; age = 0;</div>
+<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;</div>
+<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordflow">return</span> age;</div>
+<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;}</div>
+<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;</div>
+<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="keywordtype">int</span></div>
+<div class="line"><a name="l00131"></a><span class="lineno"><a class="code" href="class_contact.html#a8d6b667fe8fb635b799091cad00d783f"> 131</a></span>&#160;<a class="code" href="class_contact.html#a8d6b667fe8fb635b799091cad00d783f">Contact::GetIFF</a>(<span class="keyword">const</span> <a class="code" href="class_ship.html">Ship</a>* observer)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordtype">int</span> i = 0;</div>
+<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div>
+<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordflow">if</span> (ship) {</div>
+<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; i = ship-&gt;<a class="code" href="class_ship.html#a5e603faf7321fb04d5b306d70ae6b9ca">GetIFF</a>();</div>
+<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;</div>
+<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="comment">// if the contact is on our side or has locked us up,</span></div>
+<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="comment">// we know whose side he&#39;s on.</span></div>
+<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;</div>
+<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="comment">// Otherwise:</span></div>
+<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">if</span> (i != observer-&gt;<a class="code" href="class_ship.html#a5e603faf7321fb04d5b306d70ae6b9ca">GetIFF</a>() &amp;&amp; !<a class="code" href="class_contact.html#a3cb519932405928550df6288767cf0c0">Threat</a>(observer)) {</div>
+<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">if</span> (d_pas &lt; 2*<a class="code" href="_contact_8cpp.html#ae1be8e03496f6c8d68c3fa04a7dbc8cc">SENSOR_THRESHOLD</a> &amp;&amp; d_act &lt; <a class="code" href="_contact_8cpp.html#ae1be8e03496f6c8d68c3fa04a7dbc8cc">SENSOR_THRESHOLD</a> &amp;&amp; !<a class="code" href="class_contact.html#a0bbb9718e0e51e678fa69082ee123c82">Visible</a>(observer))</div>
+<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; i = -1000; <span class="comment">// indeterminate iff reading</span></div>
+<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; }</div>
+<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; }</div>
+<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;</div>
+<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (shot &amp;&amp; shot-&gt;<a class="code" href="class_shot.html#a93a15e6e17e1745b1fb9bb898e288ea8">Owner</a>()) {</div>
+<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; i = shot-&gt;<a class="code" href="class_shot.html#a93a15e6e17e1745b1fb9bb898e288ea8">Owner</a>()-&gt;<a class="code" href="class_ship.html#a5e603faf7321fb04d5b306d70ae6b9ca">GetIFF</a>();</div>
+<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; }</div>
+<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;</div>
+<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordflow">return</span> i;</div>
+<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;}</div>
+<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;</div>
+<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;<span class="keywordtype">bool</span></div>
+<div class="line"><a name="l00156"></a><span class="lineno"><a class="code" href="class_contact.html#a1b5b76da0db804bbf0129619e1d80dbd"> 156</a></span>&#160;<a class="code" href="class_contact.html#a1b5b76da0db804bbf0129619e1d80dbd">Contact::ActLock</a>()<span class="keyword"> const</span></div>
+<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">return</span> d_act &gt;= <a class="code" href="_contact_8cpp.html#ae1be8e03496f6c8d68c3fa04a7dbc8cc">SENSOR_THRESHOLD</a>;</div>
+<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;}</div>
+<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;</div>
+<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;<span class="keywordtype">bool</span></div>
+<div class="line"><a name="l00162"></a><span class="lineno"><a class="code" href="class_contact.html#aca6334f87decc5aec7ce6a26f17708bd"> 162</a></span>&#160;<a class="code" href="class_contact.html#aca6334f87decc5aec7ce6a26f17708bd">Contact::PasLock</a>()<span class="keyword"> const</span></div>
+<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">return</span> d_pas &gt;= <a class="code" href="_contact_8cpp.html#ae1be8e03496f6c8d68c3fa04a7dbc8cc">SENSOR_THRESHOLD</a>;</div>
+<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;}</div>
+<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;</div>
+<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;<span class="comment">// +----------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;</div>
+<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;<span class="keywordtype">void</span></div>
+<div class="line"><a name="l00170"></a><span class="lineno"><a class="code" href="class_contact.html#a8a3762f71f5dbe8f5fc6498311f3ccec"> 170</a></span>&#160;<a class="code" href="class_contact.html#a8a3762f71f5dbe8f5fc6498311f3ccec">Contact::GetBearing</a>(<span class="keyword">const</span> <a class="code" href="class_ship.html">Ship</a>* observer, <span class="keywordtype">double</span>&amp; az, <span class="keywordtype">double</span>&amp; el, <span class="keywordtype">double</span>&amp; rng)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="comment">// translate:</span></div>
+<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <a class="code" href="struct_point.html">Point</a> targ_pt = loc - observer-&gt;<a class="code" href="class_physical.html#a18d7b806f29edde8af178ae9a6d0ad90">Location</a>();</div>
+<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;</div>
+<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="comment">// rotate:</span></div>
+<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="keyword">const</span> <a class="code" href="class_camera.html">Camera</a>* cam = &amp;observer-&gt;<a class="code" href="class_physical.html#ac6be8bd79bd6622fd67d2d71f8e125af">Cam</a>();</div>
+<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keywordtype">double</span> tx = targ_pt * cam-&gt;<a class="code" href="class_camera.html#a276d8f65ae6c09a07add9f63bd356704">vrt</a>();</div>
+<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="keywordtype">double</span> ty = targ_pt * cam-&gt;<a class="code" href="class_camera.html#a38ab2061d58da025e9c95267505686ab">vup</a>();</div>
+<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordtype">double</span> tz = targ_pt * cam-&gt;<a class="code" href="class_camera.html#a6767fa21da7413fe049cf64eed98f02f">vpn</a>();</div>
+<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;</div>
+<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="comment">// convert to spherical coords:</span></div>
+<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; rng = targ_pt.<a class="code" href="struct_point.html#a8ebcce847b8c214b7351904ce60f5518">length</a>();</div>
+<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; az = asin(fabs(tx) / rng);</div>
+<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; el = asin(fabs(ty) / rng);</div>
+<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;</div>
+<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keywordflow">if</span> (tx &lt; 0) az = -az;</div>
+<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keywordflow">if</span> (ty &lt; 0) el = -el;</div>
+<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;</div>
+<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="comment">// correct az/el for back hemisphere:</span></div>
+<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keywordflow">if</span> (tz &lt; 0) {</div>
+<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordflow">if</span> (az &lt; 0) az = -<a class="code" href="_geometry_8h.html#a952eac791b596a61bba0a133a3bb439f">PI</a> - az;</div>
+<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="keywordflow">else</span> az = <a class="code" href="_geometry_8h.html#a952eac791b596a61bba0a133a3bb439f">PI</a> - az;</div>
+<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; }</div>
+<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;}</div>
+<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;</div>
+<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;<span class="keywordtype">double</span></div>
+<div class="line"><a name="l00197"></a><span class="lineno"><a class="code" href="class_contact.html#a35fb3b6072c8ab92b687a5e088a7241c"> 197</a></span>&#160;<a class="code" href="class_contact.html#a35fb3b6072c8ab92b687a5e088a7241c">Contact::Range</a>(<span class="keyword">const</span> <a class="code" href="class_ship.html">Ship</a>* observer, <span class="keywordtype">double</span> limit)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keywordtype">double</span> r = <a class="code" href="struct_point.html">Point</a>(loc - observer-&gt;<a class="code" href="class_physical.html#a18d7b806f29edde8af178ae9a6d0ad90">Location</a>()).length();</div>
+<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;</div>
+<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="comment">// if passive only, return approximate range:</span></div>
+<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="class_contact.html#a1b5b76da0db804bbf0129619e1d80dbd">ActLock</a>()) {</div>
+<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> chunk = 25000;</div>
+<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;</div>
+<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="class_contact.html#aca6334f87decc5aec7ce6a26f17708bd">PasLock</a>()) {</div>
+<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; r = (int) limit;</div>
+<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; }</div>
+<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;</div>
+<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r &lt;= chunk) {</div>
+<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; r = chunk;</div>
+<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; }</div>
+<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;</div>
+<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="keywordtype">int</span> r1 = (int) (r + chunk/2) / chunk;</div>
+<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; r = r1 * chunk;</div>
+<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; }</div>
+<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; }</div>
+<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;</div>
+<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordflow">return</span> r;</div>
+<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160;}</div>
+<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;</div>
+<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;<span class="comment">// +----------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;</div>
+<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;<span class="keywordtype">bool</span></div>
+<div class="line"><a name="l00225"></a><span class="lineno"><a class="code" href="class_contact.html#ae55a9b465b71d246632e1ea5c60fc389"> 225</a></span>&#160;<a class="code" href="class_contact.html#ae55a9b465b71d246632e1ea5c60fc389">Contact::InFront</a>(<span class="keyword">const</span> <a class="code" href="class_ship.html">Ship</a>* observer)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="comment">// translate:</span></div>
+<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <a class="code" href="struct_point.html">Point</a> targ_pt = loc - observer-&gt;<a class="code" href="class_physical.html#a18d7b806f29edde8af178ae9a6d0ad90">Location</a>();</div>
+<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;</div>
+<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="comment">// rotate:</span></div>
+<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="keyword">const</span> <a class="code" href="class_camera.html">Camera</a>* cam = &amp;observer-&gt;<a class="code" href="class_physical.html#ac6be8bd79bd6622fd67d2d71f8e125af">Cam</a>();</div>
+<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; <span class="keywordtype">double</span> tz = targ_pt * cam-&gt;<a class="code" href="class_camera.html#a6767fa21da7413fe049cf64eed98f02f">vpn</a>();</div>
+<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;</div>
+<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordflow">if</span> (tz &gt; 1.0)</div>
+<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
+<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;</div>
+<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
+<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160;}</div>
+<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160;</div>
+<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160;<span class="keywordtype">bool</span></div>
+<div class="line"><a name="l00241"></a><span class="lineno"><a class="code" href="class_contact.html#a3cb519932405928550df6288767cf0c0"> 241</a></span>&#160;<a class="code" href="class_contact.html#a3cb519932405928550df6288767cf0c0">Contact::Threat</a>(<span class="keyword">const</span> <a class="code" href="class_ship.html">Ship</a>* observer)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="keywordtype">bool</span> threat = <span class="keyword">false</span>;</div>
+<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160;</div>
+<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <span class="keywordflow">if</span> (observer &amp;&amp; observer-&gt;<a class="code" href="class_physical.html#aec2a93daff24c5b87933914cbcb100fe">Life</a>() != 0) {</div>
+<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; <span class="keywordflow">if</span> (ship &amp;&amp; ship-&gt;<a class="code" href="class_physical.html#aec2a93daff24c5b87933914cbcb100fe">Life</a>() != 0) {</div>
+<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; threat = (ship-&gt;<a class="code" href="class_ship.html#a5e603faf7321fb04d5b306d70ae6b9ca">GetIFF</a>() &amp;&amp;</div>
+<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; ship-&gt;<a class="code" href="class_ship.html#a5e603faf7321fb04d5b306d70ae6b9ca">GetIFF</a>() != observer-&gt;<a class="code" href="class_ship.html#a5e603faf7321fb04d5b306d70ae6b9ca">GetIFF</a>() &amp;&amp;</div>
+<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; ship-&gt;<a class="code" href="class_ship.html#aeb573750e6baf5a92bd9f1dbd9859fa0">GetEMCON</a>() &gt; 2 &amp;&amp;</div>
+<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; ship-&gt;<a class="code" href="class_ship.html#afa8d17143e227505b915b5e32732e770">IsTracking</a>((<a class="code" href="class_ship.html">Ship</a>*) observer) &amp;&amp;</div>
+<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; ship-&gt;<a class="code" href="class_ship.html#ab01c9dd24753f3f978a233749c5148bc">Weapons</a>().<a class="code" href="class_list.html#a802e2aa9aaef248591140fa032d20d61">size</a>() &gt; 0);</div>
+<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160;</div>
+<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <span class="keywordflow">if</span> (threat &amp;&amp; observer-&gt;<a class="code" href="class_ship.html#a5e603faf7321fb04d5b306d70ae6b9ca">GetIFF</a>() == 0)</div>
+<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; threat = ship-&gt;<a class="code" href="class_ship.html#a5e603faf7321fb04d5b306d70ae6b9ca">GetIFF</a>() &gt; 1;</div>
+<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; }</div>
+<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160;</div>
+<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (shot) {</div>
+<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; threat = shot-&gt;<a class="code" href="class_shot.html#a7ae0b40104aeda14d5948dda703cd013">IsTracking</a>((<a class="code" href="class_ship.html">Ship</a>*) observer);</div>
+<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160;</div>
+<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; <span class="keywordflow">if</span> (!threat &amp;&amp; shot-&gt;<a class="code" href="class_shot.html#a04cfc616a35edaf4081e313aa0fc16a5">Design</a>()-&gt;<a class="code" href="class_weapon_design.html#a42f815954880e7d55b4844f88049ab33">probe</a> &amp;&amp; shot-&gt;<a class="code" href="class_shot.html#af080b22214cb3ee405ec8ae7dacac5d2">GetIFF</a>() != observer-&gt;<a class="code" href="class_ship.html#a5e603faf7321fb04d5b306d70ae6b9ca">GetIFF</a>()) {</div>
+<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <a class="code" href="struct_point.html">Point</a> probe_pt = shot-&gt;<a class="code" href="class_physical.html#a18d7b806f29edde8af178ae9a6d0ad90">Location</a>() - observer-&gt;<a class="code" href="class_physical.html#a18d7b806f29edde8af178ae9a6d0ad90">Location</a>();</div>
+<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; <span class="keywordtype">double</span> prng = probe_pt.<a class="code" href="struct_point.html#a8ebcce847b8c214b7351904ce60f5518">length</a>();</div>
+<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160;</div>
+<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; threat = (prng &lt; shot-&gt;<a class="code" href="class_shot.html#a04cfc616a35edaf4081e313aa0fc16a5">Design</a>()-&gt;<a class="code" href="class_weapon_design.html#a4a4e93a7a1c08c55bdf19156d780cb86">lethal_radius</a>);</div>
+<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; }</div>
+<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; }</div>
+<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; }</div>
+<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160;</div>
+<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="keywordflow">return</span> threat;</div>
+<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160;}</div>
+<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160;</div>
+<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160;<span class="keywordtype">bool</span></div>
+<div class="line"><a name="l00273"></a><span class="lineno"><a class="code" href="class_contact.html#a0bbb9718e0e51e678fa69082ee123c82"> 273</a></span>&#160;<a class="code" href="class_contact.html#a0bbb9718e0e51e678fa69082ee123c82">Contact::Visible</a>(<span class="keyword">const</span> <a class="code" href="class_ship.html">Ship</a>* observer)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; <span class="comment">// translate:</span></div>
+<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <a class="code" href="struct_point.html">Point</a> targ_pt = loc - observer-&gt;<a class="code" href="class_physical.html#a18d7b806f29edde8af178ae9a6d0ad90">Location</a>();</div>
+<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; <span class="keywordtype">double</span> radius = 0;</div>
+<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;</div>
+<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; <span class="keywordflow">if</span> (ship)</div>
+<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; radius = ship-&gt;<a class="code" href="class_physical.html#a31367f0054fd23eeb6458c42bb663fc7">Radius</a>();</div>
+<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160;</div>
+<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (shot)</div>
+<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; radius = shot-&gt;<a class="code" href="class_physical.html#a31367f0054fd23eeb6458c42bb663fc7">Radius</a>();</div>
+<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160;</div>
+<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; <span class="comment">// rotate:</span></div>
+<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; <span class="keyword">const</span> <a class="code" href="class_camera.html">Camera</a>* cam = &amp;observer-&gt;<a class="code" href="class_physical.html#ac6be8bd79bd6622fd67d2d71f8e125af">Cam</a>();</div>
+<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; <span class="keywordtype">double</span> rng = targ_pt.<a class="code" href="struct_point.html#a8ebcce847b8c214b7351904ce60f5518">length</a>();</div>
+<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160;</div>
+<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; <span class="keywordflow">return</span> radius/rng &gt; 0.002;</div>
+<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160;}</div>
+<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;</div>
+<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160;<span class="comment">// +----------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160;</div>
+<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160;<span class="keywordtype">void</span></div>
+<div class="line"><a name="l00295"></a><span class="lineno"><a class="code" href="class_contact.html#a7eb91fe50c5cf1554edbcbe0440802b0"> 295</a></span>&#160;<a class="code" href="class_contact.html#a7eb91fe50c5cf1554edbcbe0440802b0">Contact::Reset</a>()</div>
+<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160;{</div>
+<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="class_game.html#a7565bb8df0532d4f1ddc82229d13a016">Game::Paused</a>()) <span class="keywordflow">return</span>;</div>
+<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;</div>
+<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; <span class="keywordtype">float</span> step_down = (float) (<a class="code" href="class_game.html#ab5b2d0ac9efee1e7576ecd4cc8d105f3">Game::FrameTime</a>() / 10);</div>
+<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160;</div>
+<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="keywordflow">if</span> (d_pas &gt; 0)</div>
+<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; d_pas -= step_down;</div>
+<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160;</div>
+<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; <span class="keywordflow">if</span> (d_act &gt; 0)</div>
+<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; d_act -= step_down;</div>
+<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160;}</div>
+<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160;</div>
+<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160;<span class="keywordtype">void</span></div>
+<div class="line"><a name="l00309"></a><span class="lineno"><a class="code" href="class_contact.html#a210ea468c1071b260ed9bd1b7b7956a3"> 309</a></span>&#160;<a class="code" href="class_contact.html#a210ea468c1071b260ed9bd1b7b7956a3">Contact::Merge</a>(<a class="code" href="class_contact.html">Contact</a>* c)</div>
+<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160;{</div>
+<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; <span class="keywordflow">if</span> (c-&gt;<a class="code" href="class_contact.html#ade86a4b0e979ca7f818da017d6eb58ae">GetShip</a>() == ship &amp;&amp; c-&gt;<a class="code" href="class_contact.html#ac40d7d76c482daa7f6e2bad736889621">GetShot</a>() == shot) {</div>
+<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="keywordflow">if</span> (c-&gt;d_pas &gt; d_pas)</div>
+<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; d_pas = c-&gt;d_pas;</div>
+<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160;</div>
+<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <span class="keywordflow">if</span> (c-&gt;d_act &gt; d_act)</div>
+<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; d_act = c-&gt;d_act;</div>
+<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; }</div>
+<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160;}</div>
+<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160;</div>
+<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160;<span class="keywordtype">void</span></div>
+<div class="line"><a name="l00321"></a><span class="lineno"><a class="code" href="class_contact.html#a9e3d40bff713ad6ec4d81d7e19c0f7c8"> 321</a></span>&#160;<a class="code" href="class_contact.html#a9e3d40bff713ad6ec4d81d7e19c0f7c8">Contact::ClearTrack</a>()</div>
+<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160;{</div>
+<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; <span class="keyword">delete</span> [] track;</div>
+<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; track = 0;</div>
+<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; ntrack = 0;</div>
+<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160;}</div>
+<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160;</div>
+<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160;<span class="keywordtype">void</span></div>
+<div class="line"><a name="l00329"></a><span class="lineno"><a class="code" href="class_contact.html#a84062c2c9d7883979f93352cb5ad8280"> 329</a></span>&#160;<a class="code" href="class_contact.html#a84062c2c9d7883979f93352cb5ad8280">Contact::UpdateTrack</a>()</div>
+<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160;{</div>
+<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; time = <a class="code" href="class_game.html#ac76ba05e5da1ac16b84367e513e59466">Game::GameTime</a>();</div>
+<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160;</div>
+<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; <span class="keywordflow">if</span> (shot || (ship &amp;&amp; ship-&gt;<a class="code" href="class_ship.html#af136369b9062c6d754912ac8899bf963">IsGroundUnit</a>()))</div>
+<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; <span class="keywordflow">return</span>;</div>
+<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160;</div>
+<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <span class="keywordflow">if</span> (!track) {</div>
+<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; track = <span class="keyword">new</span>(__FILE__,__LINE__) <a class="code" href="struct_point.html">Point</a>[<a class="code" href="_contact_8cpp.html#a456e95fa0c412e5d25ae19db90e66c29">DEFAULT_TRACK_LENGTH</a>];</div>
+<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; track[0] = loc;</div>
+<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; ntrack = 1;</div>
+<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; track_time = time;</div>
+<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; }</div>
+<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160;</div>
+<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (time - track_time &gt; <a class="code" href="_contact_8cpp.html#af579ad5d2aa0bbc176409f976a3161a4">DEFAULT_TRACK_UPDATE</a>) {</div>
+<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; <span class="keywordflow">if</span> (loc != track[0]) {</div>
+<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code" href="_contact_8cpp.html#a456e95fa0c412e5d25ae19db90e66c29">DEFAULT_TRACK_LENGTH</a>-2; i &gt;= 0; i--)</div>
+<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; track[i+1] = track[i];</div>
+<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160;</div>
+<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; track[0] = loc;</div>
+<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; <span class="keywordflow">if</span> (ntrack &lt; <a class="code" href="_contact_8cpp.html#a456e95fa0c412e5d25ae19db90e66c29">DEFAULT_TRACK_LENGTH</a>) ntrack++;</div>
+<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160; }</div>
+<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160;</div>
+<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; track_time = time;</div>
+<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160; }</div>
+<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160;}</div>
+<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160;</div>
+<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160;<span class="comment">// +----------------------------------------------------------------------+</span></div>
+<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160;</div>
+<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160;<a class="code" href="struct_point.html">Point</a></div>
+<div class="line"><a name="l00359"></a><span class="lineno"><a class="code" href="class_contact.html#abfadb04e3fd6a24df9f31cbaa5e111b2"> 359</a></span>&#160;<a class="code" href="class_contact.html#abfadb04e3fd6a24df9f31cbaa5e111b2">Contact::TrackPoint</a>(<span class="keywordtype">int</span> i)<span class="keyword"> const</span></div>
+<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160;<span class="keyword"></span>{</div>
+<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <span class="keywordflow">if</span> (track &amp;&amp; i &lt; ntrack)</div>
+<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; <span class="keywordflow">return</span> track[i];</div>
+<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160;</div>
+<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; <span class="keywordflow">return</span> <a class="code" href="struct_point.html">Point</a>();</div>
+<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160;}</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_ea1b58c809a5070716d7c602998a95b0.html">Stars45</a></li><li class="navelem"><a class="el" href="_contact_8cpp.html">Contact.cpp</a></li>
+ <li class="footer">Generated on Tue Jun 5 2012 20:46:51 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>
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+</html>