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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &quot;position_class.h&quot;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span>position_class::position_class()</div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span>{</div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> m_frameTime = 0.0f;</div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span> m_rotationY = 0.0f;</div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> m_rotationX = 0.0f;</div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> m_positionX = 0.0f;</div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> m_positionY = 0.0f;</div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> m_positionZ = 0.0f;</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> m_leftTurnSpeed = 0.0f;</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> m_rightTurnSpeed = 0.0f;</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> m_horizontalTurnSpeed = 0.0f;</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> m_verticalTurnSpeed = 0.0f;</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> m_cameraSpeed = 4.0f;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> m_speed = m_cameraSpeed;</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span>}</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span>position_class::position_class(<span class="keyword">const</span> <a class="code hl_class" href="classposition__class.html">position_class</a>&amp; other)</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span>{</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span>}</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span>position_class::~position_class()</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span>{</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span>}</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keywordtype">void</span> position_class::SetFrameTime(<span class="keywordtype">float</span> time)</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span>{</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> m_frameTime = time;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span>}</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keywordtype">void</span> position_class::GetRotation(<span class="keywordtype">float</span>&amp; y, <span class="keywordtype">float</span>&amp; x)<span class="keyword"> const</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> y = m_rotationY;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> x = m_rotationX;</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>}</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keywordtype">void</span> position_class::GetPosition(<span class="keywordtype">float</span>&amp; x, <span class="keywordtype">float</span>&amp; y, <span class="keywordtype">float</span>&amp; z)<span class="keyword"> const</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> x = m_positionX;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> y = m_positionY;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> z = m_positionZ;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span>}</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keywordtype">void</span> position_class::TurnLeft(<span class="keywordtype">bool</span> keydown)</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>{</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// If the key is pressed increase the speed at which the camera turns left. If not slow down the turn speed.</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">if</span> (keydown)</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> {</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> m_leftTurnSpeed += m_frameTime * 1.5f;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">if</span> (m_leftTurnSpeed &gt; (m_frameTime * 200.0f))</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> {</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> m_leftTurnSpeed = m_frameTime * 200.0f;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> }</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> {</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> m_leftTurnSpeed -= m_frameTime * 1.0f;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">if</span> (m_leftTurnSpeed &lt; 0.0f)</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> m_leftTurnSpeed = 0.0f;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> }</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// Update the rotation using the turning speed.</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> m_rotationY -= m_leftTurnSpeed;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">if</span> (m_rotationY &lt; 0.0f)</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> {</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> m_rotationY += 360.0f;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> }</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>}</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="keywordtype">void</span> position_class::TurnRight(<span class="keywordtype">bool</span> keydown)</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>{</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// If the key is pressed increase the speed at which the camera turns right. If not slow down the turn speed.</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">if</span> (keydown)</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> {</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> m_rightTurnSpeed += m_frameTime * 1.5f;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">if</span> (m_rightTurnSpeed &gt; (m_frameTime * 200.0f))</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> {</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> m_rightTurnSpeed = m_frameTime * 200.0f;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> }</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> {</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> m_rightTurnSpeed -= m_frameTime * 1.0f;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">if</span> (m_rightTurnSpeed &lt; 0.0f)</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> {</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> m_rightTurnSpeed = 0.0f;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> }</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="comment">// Update the rotation using the turning speed.</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> m_rotationY += m_rightTurnSpeed;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">if</span> (m_rotationY &gt; 360.0f)</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> {</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> m_rotationY -= 360.0f;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> }</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span>}</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span><span class="keywordtype">void</span> position_class::TurnMouse(<span class="keywordtype">float</span> deltaX, <span class="keywordtype">float</span> deltaY, <span class="keywordtype">float</span> sensitivity, <span class="keywordtype">bool</span> rightMouseDown)</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span>{</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// The turning speed is proportional to the horizontal mouse movement</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> m_horizontalTurnSpeed = deltaX * sensitivity;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">if</span> (rightMouseDown)</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> {</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="comment">// Update the rotation using the turning speed</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> m_rotationY += m_horizontalTurnSpeed;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">if</span> (m_rotationY &lt; 0.0f)</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> m_rotationY += 360.0f;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> }</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (m_rotationY &gt; 360.0f)</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> {</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> m_rotationY -= 360.0f;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> }</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// The turning speed is proportional to the vertical mouse movement</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> m_verticalTurnSpeed = deltaY * sensitivity;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// Update the rotation using the turning speed</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> m_rotationX += m_verticalTurnSpeed;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">if</span> (m_rotationX &lt; -90.0f)</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> {</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> m_rotationX = -90.0f;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (m_rotationX &gt; 90.0f)</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> {</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> m_rotationX = 90.0f;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> }</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> }</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>}</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="keywordtype">void</span> position_class::MoveCamera(<span class="keywordtype">bool</span> forward, <span class="keywordtype">bool</span> backward, <span class="keywordtype">bool</span> left, <span class="keywordtype">bool</span> right, <span class="keywordtype">bool</span> up, <span class="keywordtype">bool</span> down, <span class="keywordtype">bool</span> scrollUp, <span class="keywordtype">bool</span> scrollDown, <span class="keywordtype">bool</span> rightClick)</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span>{</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordtype">float</span> radiansY, radiansX, speed;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="comment">// Set the speed of the camera if the right click is down.</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">if</span> (scrollUp &amp;&amp; rightClick)</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> {</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> m_cameraSpeed *= 1.1f;</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> }</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">if</span> (scrollDown &amp;&amp; rightClick)</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> {</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> m_cameraSpeed *= 0.9f;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">if</span> (m_cameraSpeed &lt; 0.25f) <span class="comment">// Minimum speed.</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> {</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> m_cameraSpeed = 0.25f;</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> }</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> }</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="comment">// Convert degrees to radians.</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> radiansY = m_rotationY * 0.0174532925f;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> radiansX = m_rotationX * 0.0174532925f;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="comment">// Update the position. //</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="comment">// Moves the camera forward on a greater scale than the arrows.</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">if</span> (scrollUp &amp;&amp; !rightClick)</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> {</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> speed = m_speed * 20 * m_frameTime;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> m_positionX += sinf(radiansY) * cosf(radiansX) * speed;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> m_positionZ += cosf(radiansY) * cosf(radiansX) * speed;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> m_positionY -= sinf(radiansX) * speed;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> }</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="comment">// Moves the camera backward on a greater scale than the arrows.</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">if</span> (scrollDown &amp;&amp; !rightClick)</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> {</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> speed = m_speed * 20 * m_frameTime;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> m_positionX -= sinf(radiansY) * cosf(radiansX) * speed;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> m_positionZ -= cosf(radiansY) * cosf(radiansX) * speed;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> m_positionY += sinf(radiansX) * speed;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> }</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// Set the speed of the camera.</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> speed = m_cameraSpeed * m_frameTime;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="comment">// If moving forward, the position moves in the direction of the camera and accordingly to its angle.</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keywordflow">if</span> (forward)</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> {</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> m_positionX += sinf(radiansY) * cosf(radiansX) * speed;</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> m_positionZ += cosf(radiansY) * cosf(radiansX) * speed;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> m_positionY -= sinf(radiansX) * speed;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> }</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="comment">// If moving backward, the position moves in the opposite direction of the camera and accordingly to its angle.</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">if</span> (backward)</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> {</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> m_positionX -= sinf(radiansY) * cosf(radiansX) * speed;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> m_positionZ -= cosf(radiansY) * cosf(radiansX) * speed;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> m_positionY += sinf(radiansX) * speed;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> }</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// If moving left, the position moves to the left of the camera and accordingly to its angle.</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">if</span> (left)</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> {</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> m_positionX -= cosf(radiansY) * speed;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> m_positionZ += sinf(radiansY) * speed;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> }</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> </div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// If moving right, the position moves to the right of the camera and accordingly to its angle.</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordflow">if</span> (right)</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> {</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> m_positionX += cosf(radiansY) * speed;</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> m_positionZ -= sinf(radiansY) * speed;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> }</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="comment">// If moving up, the position moves up.</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">if</span> (up)</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> {</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> m_positionY += speed;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> }</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="comment">// If moving down, the position moves down.</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">if</span> (down)</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> {</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> m_positionY -= speed;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> }</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span>}</div>
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