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 <span id="projectnumber">3.1.0</span>
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<div class="title">aabb.h</div> </div>
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<a href="aabb_8h.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#pragma once</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#include "<a class="code" href="point_8h.html">vde/core/point.h</a>"</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>  </div>
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<div class="line"><a name="l00006"></a><span class="lineno"><a class="line" href="namespacevde_1_1core.html"> 6</a></span> <span class="keyword">namespace </span><a class="code" href="namespacevde_1_1core.html">vde::core</a> {</div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html"> 21</a></span> <span class="keyword">class </span><a class="code" href="classvde_1_1core_1_1AABB.html">AABB</a> {</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#a94f24920b991ed0a9f75444b865bc814"> 29</a></span>  <a class="code" href="classvde_1_1core_1_1AABB.html#a94f24920b991ed0a9f75444b865bc814">AABB</a>() : min_(<a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a>::Constant(std::numeric_limits<T>::<a class="code" href="classvde_1_1core_1_1AABB.html#af333b621c00ff720ae1d5c3228d8d260">max</a>())),</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  max_(<a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a>::Constant(std::numeric_limits<T>::lowest())) {}</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#aa6c2ce1924c9978b70edd6244e9fc356"> 40</a></span>  <a class="code" href="classvde_1_1core_1_1AABB.html#aa6c2ce1924c9978b70edd6244e9fc356">AABB</a>(<span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a>& <a class="code" href="classvde_1_1core_1_1AABB.html#aba7967d697d9102781e1d88a19bac08d">min</a>, <span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a>& <a class="code" href="classvde_1_1core_1_1AABB.html#af333b621c00ff720ae1d5c3228d8d260">max</a>) : min_(<a class="code" href="classvde_1_1core_1_1AABB.html#aba7967d697d9102781e1d88a19bac08d">min</a>), max_(<a class="code" href="classvde_1_1core_1_1AABB.html#af333b621c00ff720ae1d5c3228d8d260">max</a>) {}</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#ab83f3d03d8cd01808203eabbd9b38cd0"> 55</a></span>  <span class="keywordtype">void</span> <a class="code" href="classvde_1_1core_1_1AABB.html#ab83f3d03d8cd01808203eabbd9b38cd0">expand</a>(<span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a>& p) {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  min_ = min_.cwiseMin(p);</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  max_ = max_.cwiseMax(p);</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#aa20f2f6bf174d522fda0c3fbf11c6eb5"> 65</a></span>  <span class="keywordtype">void</span> <a class="code" href="classvde_1_1core_1_1AABB.html#aa20f2f6bf174d522fda0c3fbf11c6eb5">expand</a>(<span class="keyword">const</span> <a class="code" href="classvde_1_1core_1_1AABB.html">AABB</a>& other) {</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  min_ = min_.cwiseMin(other.min_);</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  max_ = max_.cwiseMax(other.max_);</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
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<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#a0259a4ca048f2802dacba06c987acc2f"> 74</a></span>  [[nodiscard]] <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a> <a class="code" href="classvde_1_1core_1_1AABB.html#a0259a4ca048f2802dacba06c987acc2f">center</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (min_ + max_) * 0.5; }</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
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<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#ab36449a74c3b1f1c4f3149fe34629c47"> 80</a></span>  [[nodiscard]] <a class="code" href="namespacevde_1_1core.html#ab763c018d19e10e91a6c6d6ab2ccc8e0">Vector3D</a> <a class="code" href="classvde_1_1core_1_1AABB.html#ab36449a74c3b1f1c4f3149fe34629c47">extent</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> max_ - min_; }</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
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<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#a8b5ca01bc6599e211262070cc87de052"> 86</a></span>  [[nodiscard]] T <a class="code" href="classvde_1_1core_1_1AABB.html#a8b5ca01bc6599e211262070cc87de052">surface_area</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="namespacevde_1_1core.html#ab763c018d19e10e91a6c6d6ab2ccc8e0">Vector3D</a> e = <a class="code" href="classvde_1_1core_1_1AABB.html#ab36449a74c3b1f1c4f3149fe34629c47">extent</a>();</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> 2.0 * (e.x() * e.y() + e.y() * e.z() + e.z() * e.x());</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
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<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#a490eac563e0011928fe49055152a0d07"> 95</a></span>  [[nodiscard]] T <a class="code" href="classvde_1_1core_1_1AABB.html#a490eac563e0011928fe49055152a0d07">volume</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="namespacevde_1_1core.html#ab763c018d19e10e91a6c6d6ab2ccc8e0">Vector3D</a> e = <a class="code" href="classvde_1_1core_1_1AABB.html#ab36449a74c3b1f1c4f3149fe34629c47">extent</a>();</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> e.x() * e.y() * e.z();</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
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<div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#a2a094838fff28f87917463df0ca4fcfe"> 106</a></span>  [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="classvde_1_1core_1_1AABB.html#a2a094838fff28f87917463df0ca4fcfe">contains</a>(<span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a>& p)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> (p.array() >= min_.array()).all() && (p.array() <= max_.array()).all();</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
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<div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#a74f2316f729ed1001afa27e3c32e27ff"> 116</a></span>  [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="classvde_1_1core_1_1AABB.html#a74f2316f729ed1001afa27e3c32e27ff">intersects</a>(<span class="keyword">const</span> <a class="code" href="classvde_1_1core_1_1AABB.html">AABB</a>& other)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> (min_.array() <= other.max_.array()).all()</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  && (max_.array() >= other.min_.array()).all();</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
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<div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#aba7967d697d9102781e1d88a19bac08d"> 122</a></span>  [[nodiscard]] <span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a>& <a class="code" href="classvde_1_1core_1_1AABB.html#aba7967d697d9102781e1d88a19bac08d">min</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> min_; }</div>
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<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classvde_1_1core_1_1AABB.html#af333b621c00ff720ae1d5c3228d8d260"> 124</a></span>  [[nodiscard]] <span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a>& <a class="code" href="classvde_1_1core_1_1AABB.html#af333b621c00ff720ae1d5c3228d8d260">max</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> max_; }</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a> min_, max_;</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> };</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
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<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="namespacevde_1_1core.html#a5e6679209cad0695e1b9d088c4b0e224"> 131</a></span> <span class="keyword">using</span> <a class="code" href="classvde_1_1core_1_1AABB.html">AABB3D</a> = <a class="code" href="classvde_1_1core_1_1AABB.html">AABB<double></a>;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="namespacevde_1_1core.html#a36991abc4ab2565b8e4b932f1c22c958"> 133</a></span> <span class="keyword">using</span> <a class="code" href="classvde_1_1core_1_1AABB.html">AABB3f</a> = <a class="code" href="classvde_1_1core_1_1AABB.html">AABB<float></a>;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> } <span class="comment">// namespace vde::core</span></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html">vde::core::AABB</a></div><div class="ttdoc">轴对齐包围盒（AABB）</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00021">aabb.h:21</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_a0259a4ca048f2802dacba06c987acc2f"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#a0259a4ca048f2802dacba06c987acc2f">vde::core::AABB::center</a></div><div class="ttdeci">Point3D center() const</div><div class="ttdoc">包围盒中心点</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00074">aabb.h:74</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_a2a094838fff28f87917463df0ca4fcfe"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#a2a094838fff28f87917463df0ca4fcfe">vde::core::AABB::contains</a></div><div class="ttdeci">bool contains(const Point3D &p) const</div><div class="ttdoc">测试点是否在包围盒内部（含边界）</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00106">aabb.h:106</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_a490eac563e0011928fe49055152a0d07"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#a490eac563e0011928fe49055152a0d07">vde::core::AABB::volume</a></div><div class="ttdeci">T volume() const</div><div class="ttdoc">包围盒体积</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00095">aabb.h:95</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_a74f2316f729ed1001afa27e3c32e27ff"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#a74f2316f729ed1001afa27e3c32e27ff">vde::core::AABB::intersects</a></div><div class="ttdeci">bool intersects(const AABB &other) const</div><div class="ttdoc">测试两个包围盒是否相交（含边界接触）</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00116">aabb.h:116</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_a8b5ca01bc6599e211262070cc87de052"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#a8b5ca01bc6599e211262070cc87de052">vde::core::AABB::surface_area</a></div><div class="ttdeci">T surface_area() const</div><div class="ttdoc">包围盒表面积</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00086">aabb.h:86</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_a94f24920b991ed0a9f75444b865bc814"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#a94f24920b991ed0a9f75444b865bc814">vde::core::AABB::AABB</a></div><div class="ttdeci">AABB()</div><div class="ttdoc">构造空包围盒</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00029">aabb.h:29</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_aa20f2f6bf174d522fda0c3fbf11c6eb5"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#aa20f2f6bf174d522fda0c3fbf11c6eb5">vde::core::AABB::expand</a></div><div class="ttdeci">void expand(const AABB &other)</div><div class="ttdoc">扩展包围盒以包含另一个 AABB</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00065">aabb.h:65</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_aa6c2ce1924c9978b70edd6244e9fc356"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#aa6c2ce1924c9978b70edd6244e9fc356">vde::core::AABB::AABB</a></div><div class="ttdeci">AABB(const Point3D &min, const Point3D &max)</div><div class="ttdoc">从两个角点构造包围盒</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00040">aabb.h:40</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_ab36449a74c3b1f1c4f3149fe34629c47"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#ab36449a74c3b1f1c4f3149fe34629c47">vde::core::AABB::extent</a></div><div class="ttdeci">Vector3D extent() const</div><div class="ttdoc">包围盒对角线向量（从 min 到 max）</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00080">aabb.h:80</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_ab83f3d03d8cd01808203eabbd9b38cd0"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#ab83f3d03d8cd01808203eabbd9b38cd0">vde::core::AABB::expand</a></div><div class="ttdeci">void expand(const Point3D &p)</div><div class="ttdoc">扩展包围盒以包含给定点</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00055">aabb.h:55</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_aba7967d697d9102781e1d88a19bac08d"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#aba7967d697d9102781e1d88a19bac08d">vde::core::AABB::min</a></div><div class="ttdeci">const Point3D & min() const</div><div class="ttdoc">获取最小角点</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00122">aabb.h:122</a></div></div>
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<div class="ttc" id="aclassvde_1_1core_1_1AABB_html_af333b621c00ff720ae1d5c3228d8d260"><div class="ttname"><a href="classvde_1_1core_1_1AABB.html#af333b621c00ff720ae1d5c3228d8d260">vde::core::AABB::max</a></div><div class="ttdeci">const Point3D & max() const</div><div class="ttdoc">获取最大角点</div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00124">aabb.h:124</a></div></div>
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<div class="ttc" id="anamespacevde_1_1core_html"><div class="ttname"><a href="namespacevde_1_1core.html">vde::core</a></div><div class="ttdef"><b>Definition:</b> <a href="aabb_8h_source.html#l00006">aabb.h:6</a></div></div>
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<div class="ttc" id="anamespacevde_1_1core_html_ab763c018d19e10e91a6c6d6ab2ccc8e0"><div class="ttname"><a href="namespacevde_1_1core.html#ab763c018d19e10e91a6c6d6ab2ccc8e0">vde::core::Vector3D</a></div><div class="ttdeci">foundation::Vector3D Vector3D</div><div class="ttdoc">双精度三维向量（重新导出）</div><div class="ttdef"><b>Definition:</b> <a href="point_8h_source.html#l00049">point.h:49</a></div></div>
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<div class="ttc" id="anamespacevde_1_1core_html_ac6aed70c4b90d13f10217267cd7a1952"><div class="ttname"><a href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">vde::core::Point3D</a></div><div class="ttdeci">foundation::Point3D Point3D</div><div class="ttdoc">双精度三维点（重新导出）</div><div class="ttdef"><b>Definition:</b> <a href="point_8h_source.html#l00031">point.h:31</a></div></div>
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<div class="ttc" id="apoint_8h_html"><div class="ttname"><a href="point_8h.html">point.h</a></div></div>
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