# C1.Util.DX.Matrix4x4.RotationX

## Content

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<h1 id="C1_Util_DX_Matrix4x4_RotationX_" data-uid="C1.Util.DX.Matrix4x4.RotationX*">RotationX Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Util_DX_Matrix4x4_RotationX_" data-uid="C1.Util.DX.Matrix4x4.RotationX*"></a>
<h4 id="C1_Util_DX_Matrix4x4_RotationX_System_Single_" data-uid="C1.Util.DX.Matrix4x4.RotationX(System.Single)">RotationX(float)</h4>
<div class="markdown level1 summary"><p>Creates a matrix that rotates around the x-axis.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public static Matrix4x4 RotationX(float radians)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Shared Function RotationX(radians As Single) As Matrix4x4</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.single">float</a></td>
      <td><span class="parametername">radians</span></td>
      <td><p>Angle of rotation in radians. Angles are measured clockwise when looking along the rotation axis toward the origin.</p>
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<h5 class="returns">Returns</h5>
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      <td><a class="xref" href="C1.Util.DX.Matrix4x4.html">Matrix4x4</a></td>
      <td><p>The created rotation matrix.</p>
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<a id="C1_Util_DX_Matrix4x4_RotationX_" data-uid="C1.Util.DX.Matrix4x4.RotationX*"></a>
<h4 id="C1_Util_DX_Matrix4x4_RotationX_System_Single_C1_Util_DX_Vector3_" data-uid="C1.Util.DX.Matrix4x4.RotationX(System.Single,C1.Util.DX.Vector3)">RotationX(float, Vector3)</h4>
<div class="markdown level1 summary"><p>Creates a matrix for rotating points around the X axis from a center point.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public static Matrix4x4 RotationX(float radians, Vector3 centerPoint)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Shared Function RotationX(radians As Single, centerPoint As Vector3) As Matrix4x4</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.single">float</a></td>
      <td><span class="parametername">radians</span></td>
      <td><p>The amount, in radians, by which to rotate around the X axis.</p>
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      <td><a class="xref" href="C1.Util.DX.Vector3.html">Vector3</a></td>
      <td><span class="parametername">centerPoint</span></td>
      <td><p>The center point.</p>
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<h5 class="returns">Returns</h5>
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      <td><a class="xref" href="C1.Util.DX.Matrix4x4.html">Matrix4x4</a></td>
      <td><p>The rotation matrix.</p>
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