茂之钳
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145 lines
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<div class="title">bezier_curve.h</div> </div>
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<a href="bezier__curve_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 <vector></span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>  </div>
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<div class="line"><a name="l00005"></a><span class="lineno"><a class="line" href="namespacevde_1_1curves.html"> 5</a></span> <span class="keyword">namespace </span><a class="code" href="namespacevde_1_1curves.html">vde::curves</a> {</div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="keyword">using</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">core::Point3D</a>;</div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="keyword">using</span> <a class="code" href="namespacevde_1_1core.html#ab763c018d19e10e91a6c6d6ab2ccc8e0">core::Vector3D</a>;</div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="classvde_1_1curves_1_1BezierCurve.html"> 18</a></span> <span class="keyword">class </span><a class="code" href="classvde_1_1curves_1_1BezierCurve.html">BezierCurve</a> {</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classvde_1_1curves_1_1BezierCurve.html#ae0ee329db9f94e22b99f0c2f22be78c0"> 28</a></span>  <span class="keyword">explicit</span> <a class="code" href="classvde_1_1curves_1_1BezierCurve.html#ae0ee329db9f94e22b99f0c2f22be78c0">BezierCurve</a>(std::vector<Point3D> <a class="code" href="classvde_1_1curves_1_1BezierCurve.html#ac7db90ab653067242ca674ef125d9147">control_points</a>);</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classvde_1_1curves_1_1BezierCurve.html#ad825216d44b0adc4b1efd5f7c26affd0"> 36</a></span>  [[nodiscard]] <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">Point3D</a> <a class="code" href="classvde_1_1curves_1_1BezierCurve.html#ad825216d44b0adc4b1efd5f7c26affd0">evaluate</a>(<span class="keywordtype">double</span> t) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classvde_1_1curves_1_1BezierCurve.html#ae32b1fa661a7e3917dc71621749887ec"> 46</a></span>  [[nodiscard]] <a class="code" href="namespacevde_1_1core.html#ab763c018d19e10e91a6c6d6ab2ccc8e0">Vector3D</a> <a class="code" href="classvde_1_1curves_1_1BezierCurve.html#ae32b1fa661a7e3917dc71621749887ec">derivative</a>(<span class="keywordtype">double</span> t, <span class="keywordtype">int</span> order = 1) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classvde_1_1curves_1_1BezierCurve.html#a70ca0de3db0a7755ae94a2a1350d8711"> 52</a></span>  [[nodiscard]] <span class="keywordtype">int</span> <a class="code" href="classvde_1_1curves_1_1BezierCurve.html#a70ca0de3db0a7755ae94a2a1350d8711">degree</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(cp_.size()) - 1; }</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classvde_1_1curves_1_1BezierCurve.html#acfec0f4bd5d46124da98cfbd5627a4fa"> 58</a></span>  [[nodiscard]] std::pair<double, double> <a class="code" href="classvde_1_1curves_1_1BezierCurve.html#acfec0f4bd5d46124da98cfbd5627a4fa">domain</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> {0.0, 1.0}; }</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="l00064"></a><span class="lineno"><a class="line" href="classvde_1_1curves_1_1BezierCurve.html#ac7db90ab653067242ca674ef125d9147"> 64</a></span>  [[nodiscard]] <span class="keyword">const</span> std::vector<Point3D>& <a class="code" href="classvde_1_1curves_1_1BezierCurve.html#ac7db90ab653067242ca674ef125d9147">control_points</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> cp_; }</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
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<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classvde_1_1curves_1_1BezierCurve.html#afba904108cee146362490bfdb066b301"> 77</a></span>  [[nodiscard]] std::pair<BezierCurve, BezierCurve> <a class="code" href="classvde_1_1curves_1_1BezierCurve.html#afba904108cee146362490bfdb066b301">split</a>(<span class="keywordtype">double</span> t) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classvde_1_1curves_1_1BezierCurve.html#abfa0cccd525e5bb5f2de3c6f0bd862b9"> 87</a></span>  [[nodiscard]] <a class="code" href="classvde_1_1curves_1_1BezierCurve.html">BezierCurve</a> <a class="code" href="classvde_1_1curves_1_1BezierCurve.html#abfa0cccd525e5bb5f2de3c6f0bd862b9">degree_elevate</a>(<span class="keywordtype">int</span> times = 1) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  std::vector<Point3D> cp_; </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> };</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> } <span class="comment">// namespace vde::curves</span></div>
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<div class="ttc" id="aclassvde_1_1curves_1_1BezierCurve_html"><div class="ttname"><a href="classvde_1_1curves_1_1BezierCurve.html">vde::curves::BezierCurve</a></div><div class="ttdoc">任意阶 Bézier 曲线</div><div class="ttdef"><b>Definition:</b> <a href="bezier__curve_8h_source.html#l00018">bezier_curve.h:18</a></div></div>
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<div class="ttc" id="aclassvde_1_1curves_1_1BezierCurve_html_a70ca0de3db0a7755ae94a2a1350d8711"><div class="ttname"><a href="classvde_1_1curves_1_1BezierCurve.html#a70ca0de3db0a7755ae94a2a1350d8711">vde::curves::BezierCurve::degree</a></div><div class="ttdeci">int degree() const</div><div class="ttdoc">曲线阶次</div><div class="ttdef"><b>Definition:</b> <a href="bezier__curve_8h_source.html#l00052">bezier_curve.h:52</a></div></div>
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<div class="ttc" id="aclassvde_1_1curves_1_1BezierCurve_html_abfa0cccd525e5bb5f2de3c6f0bd862b9"><div class="ttname"><a href="classvde_1_1curves_1_1BezierCurve.html#abfa0cccd525e5bb5f2de3c6f0bd862b9">vde::curves::BezierCurve::degree_elevate</a></div><div class="ttdeci">BezierCurve degree_elevate(int times=1) const</div><div class="ttdoc">升阶操作</div></div>
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<div class="ttc" id="aclassvde_1_1curves_1_1BezierCurve_html_ac7db90ab653067242ca674ef125d9147"><div class="ttname"><a href="classvde_1_1curves_1_1BezierCurve.html#ac7db90ab653067242ca674ef125d9147">vde::curves::BezierCurve::control_points</a></div><div class="ttdeci">const std::vector< Point3D > & control_points() const</div><div class="ttdoc">控制点访问</div><div class="ttdef"><b>Definition:</b> <a href="bezier__curve_8h_source.html#l00064">bezier_curve.h:64</a></div></div>
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<div class="ttc" id="aclassvde_1_1curves_1_1BezierCurve_html_acfec0f4bd5d46124da98cfbd5627a4fa"><div class="ttname"><a href="classvde_1_1curves_1_1BezierCurve.html#acfec0f4bd5d46124da98cfbd5627a4fa">vde::curves::BezierCurve::domain</a></div><div class="ttdeci">std::pair< double, double > domain() const</div><div class="ttdoc">参数定义域</div><div class="ttdef"><b>Definition:</b> <a href="bezier__curve_8h_source.html#l00058">bezier_curve.h:58</a></div></div>
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<div class="ttc" id="aclassvde_1_1curves_1_1BezierCurve_html_ad825216d44b0adc4b1efd5f7c26affd0"><div class="ttname"><a href="classvde_1_1curves_1_1BezierCurve.html#ad825216d44b0adc4b1efd5f7c26affd0">vde::curves::BezierCurve::evaluate</a></div><div class="ttdeci">Point3D evaluate(double t) const</div><div class="ttdoc">在参数 t 处求值曲线点</div></div>
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<div class="ttc" id="aclassvde_1_1curves_1_1BezierCurve_html_ae0ee329db9f94e22b99f0c2f22be78c0"><div class="ttname"><a href="classvde_1_1curves_1_1BezierCurve.html#ae0ee329db9f94e22b99f0c2f22be78c0">vde::curves::BezierCurve::BezierCurve</a></div><div class="ttdeci">BezierCurve(std::vector< Point3D > control_points)</div><div class="ttdoc">构造 Bézier 曲线</div></div>
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<div class="ttc" id="aclassvde_1_1curves_1_1BezierCurve_html_ae32b1fa661a7e3917dc71621749887ec"><div class="ttname"><a href="classvde_1_1curves_1_1BezierCurve.html#ae32b1fa661a7e3917dc71621749887ec">vde::curves::BezierCurve::derivative</a></div><div class="ttdeci">Vector3D derivative(double t, int order=1) const</div><div class="ttdoc">在参数 t 处求导数</div></div>
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<div class="ttc" id="aclassvde_1_1curves_1_1BezierCurve_html_afba904108cee146362490bfdb066b301"><div class="ttname"><a href="classvde_1_1curves_1_1BezierCurve.html#afba904108cee146362490bfdb066b301">vde::curves::BezierCurve::split</a></div><div class="ttdeci">std::pair< BezierCurve, BezierCurve > split(double t) const</div><div class="ttdoc">在 t 处将曲线一分为二</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="anamespacevde_1_1curves_html"><div class="ttname"><a href="namespacevde_1_1curves.html">vde::curves</a></div><div class="ttdef"><b>Definition:</b> <a href="bezier__curve_8h_source.html#l00005">bezier_curve.h:5</a></div></div>
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<li class="footer">生成于 2026年 七月 24日 星期五 11:21:23 , 为 ViewDesignEngine使用 <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </li>
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