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Terrarum/lib/gdxdocs/api/com/badlogic/gdx/math/Quaternion.html
minjaesong 687a7f901e LibGDX stuffs for issue #23
2017-06-11 18:00:48 +09:00

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<div class="subTitle">com.badlogic.gdx.math</div>
<h2 title="Class Quaternion" class="title">Class Quaternion</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li>com.badlogic.gdx.math.Quaternion</li>
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<pre>public class <span class="typeNameLabel">Quaternion</span>
extends java.lang.Object
implements java.io.Serializable</pre>
<div class="block">A simple quaternion class.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>badlogicgames@gmail.com, vesuvio, xoppa</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="http://en.wikipedia.org/wiki/Quaternion">http://en.wikipedia.org/wiki/Quaternion</a>,
<a href="../../../../serialized-form.html#com.badlogic.gdx.math.Quaternion">Serialized Form</a></dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#w">w</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#x">x</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#y">y</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#z">z</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#Quaternion--">Quaternion</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#Quaternion-float-float-float-float-">Quaternion</a></span>(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</code>
<div class="block">Constructor, sets the four components of the quaternion.</div>
</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#Quaternion-com.badlogic.gdx.math.Quaternion-">Quaternion</a></span>(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;quaternion)</code>
<div class="block">Constructor, sets the quaternion components from the given quaternion.</div>
</td>
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<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#Quaternion-com.badlogic.gdx.math.Vector3-float-">Quaternion</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis,
float&nbsp;angle)</code>
<div class="block">Constructor, sets the quaternion from the given axis vector and the angle around that axis in degrees.</div>
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<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#add-float-float-float-float-">add</a></span>(float&nbsp;qx,
float&nbsp;qy,
float&nbsp;qz,
float&nbsp;qw)</code>
<div class="block">Add the x,y,z,w components of the passed in quaternion to the ones of this quaternion</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#add-com.badlogic.gdx.math.Quaternion-">add</a></span>(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;quaternion)</code>
<div class="block">Add the x,y,z,w components of the passed in quaternion to the ones of this quaternion</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#conjugate--">conjugate</a></span>()</code>
<div class="block">Conjugate the quaternion.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#cpy--">cpy</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#dot-float-float-float-float-">dot</a></span>(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</code>
<div class="block">Get the dot product between this and the other quaternion (commutative).</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#dot-float-float-float-float-float-float-float-float-">dot</a></span>(float&nbsp;x1,
float&nbsp;y1,
float&nbsp;z1,
float&nbsp;w1,
float&nbsp;x2,
float&nbsp;y2,
float&nbsp;z2,
float&nbsp;w2)</code>
<div class="block">Get the dot product between the two quaternions (commutative).</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#dot-com.badlogic.gdx.math.Quaternion-">dot</a></span>(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;other)</code>
<div class="block">Get the dot product between this and the other quaternion (commutative).</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#equals-java.lang.Object-">equals</a></span>(java.lang.Object&nbsp;obj)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#exp-float-">exp</a></span>(float&nbsp;alpha)</code>
<div class="block">Calculates (this quaternion)^alpha where alpha is a real number and stores the result in this quaternion.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAngle--">getAngle</a></span>()</code>
<div class="block">Get the angle in degrees of the rotation this quaternion represents.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAngleAround-float-float-float-">getAngleAround</a></span>(float&nbsp;axisX,
float&nbsp;axisY,
float&nbsp;axisZ)</code>
<div class="block">Get the angle in degrees of the rotation around the specified axis.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAngleAround-com.badlogic.gdx.math.Vector3-">getAngleAround</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis)</code>
<div class="block">Get the angle in degrees of the rotation around the specified axis.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAngleAroundRad-float-float-float-">getAngleAroundRad</a></span>(float&nbsp;axisX,
float&nbsp;axisY,
float&nbsp;axisZ)</code>
<div class="block">Get the angle in radians of the rotation around the specified axis.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAngleAroundRad-com.badlogic.gdx.math.Vector3-">getAngleAroundRad</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis)</code>
<div class="block">Get the angle in radians of the rotation around the specified axis.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAngleRad--">getAngleRad</a></span>()</code>
<div class="block">Get the angle in radians of the rotation this quaternion represents.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAxisAngle-com.badlogic.gdx.math.Vector3-">getAxisAngle</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis)</code>
<div class="block">Get the axis angle representation of the rotation in degrees.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAxisAngleRad-com.badlogic.gdx.math.Vector3-">getAxisAngleRad</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis)</code>
<div class="block">Get the axis-angle representation of the rotation in radians.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getGimbalPole--">getGimbalPole</a></span>()</code>
<div class="block">Get the pole of the gimbal lock, if any.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getPitch--">getPitch</a></span>()</code>
<div class="block">Get the pitch euler angle in degrees, which is the rotation around the x axis.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getPitchRad--">getPitchRad</a></span>()</code>
<div class="block">Get the pitch euler angle in radians, which is the rotation around the x axis.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getRoll--">getRoll</a></span>()</code>
<div class="block">Get the roll euler angle in degrees, which is the rotation around the z axis.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getRollRad--">getRollRad</a></span>()</code>
<div class="block">Get the roll euler angle in radians, which is the rotation around the z axis.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getSwingTwist-float-float-float-com.badlogic.gdx.math.Quaternion-com.badlogic.gdx.math.Quaternion-">getSwingTwist</a></span>(float&nbsp;axisX,
float&nbsp;axisY,
float&nbsp;axisZ,
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;swing,
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;twist)</code>
<div class="block">Get the swing rotation and twist rotation for the specified axis.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getSwingTwist-com.badlogic.gdx.math.Vector3-com.badlogic.gdx.math.Quaternion-com.badlogic.gdx.math.Quaternion-">getSwingTwist</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis,
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;swing,
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;twist)</code>
<div class="block">Get the swing rotation and twist rotation for the specified axis.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getYaw--">getYaw</a></span>()</code>
<div class="block">Get the yaw euler angle in degrees, which is the rotation around the y axis.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getYawRad--">getYawRad</a></span>()</code>
<div class="block">Get the yaw euler angle in radians, which is the rotation around the y axis.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#idt--">idt</a></span>()</code>
<div class="block">Sets the quaternion to an identity Quaternion</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#isIdentity--">isIdentity</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#isIdentity-float-">isIdentity</a></span>(float&nbsp;tolerance)</code>&nbsp;</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#len--">len</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>static float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#len-float-float-float-float-">len</a></span>(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</code>&nbsp;</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#len2--">len2</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>static float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#len2-float-float-float-float-">len2</a></span>(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</code>&nbsp;</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#mul-float-">mul</a></span>(float&nbsp;scalar)</code>
<div class="block">Multiplies the components of this quaternion with the given scalar.</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#mul-float-float-float-float-">mul</a></span>(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</code>
<div class="block">Multiplies this quaternion with another one in the form of this = this * other</div>
</td>
</tr>
<tr id="i36" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#mul-com.badlogic.gdx.math.Quaternion-">mul</a></span>(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;other)</code>
<div class="block">Multiplies this quaternion with another one in the form of this = this * other</div>
</td>
</tr>
<tr id="i37" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#mulLeft-float-float-float-float-">mulLeft</a></span>(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</code>
<div class="block">Multiplies this quaternion with another one in the form of this = other * this</div>
</td>
</tr>
<tr id="i38" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#mulLeft-com.badlogic.gdx.math.Quaternion-">mulLeft</a></span>(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;other)</code>
<div class="block">Multiplies this quaternion with another one in the form of this = other * this</div>
</td>
</tr>
<tr id="i39" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#nor--">nor</a></span>()</code>
<div class="block">Normalizes this quaternion to unit length</div>
</td>
</tr>
<tr id="i40" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#set-float-float-float-float-">set</a></span>(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</code>
<div class="block">Sets the components of the quaternion</div>
</td>
</tr>
<tr id="i41" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#set-com.badlogic.gdx.math.Quaternion-">set</a></span>(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;quaternion)</code>
<div class="block">Sets the quaternion components from the given quaternion.</div>
</td>
</tr>
<tr id="i42" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#set-com.badlogic.gdx.math.Vector3-float-">set</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis,
float&nbsp;angle)</code>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.</div>
</td>
</tr>
<tr id="i43" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setEulerAngles-float-float-float-">setEulerAngles</a></span>(float&nbsp;yaw,
float&nbsp;pitch,
float&nbsp;roll)</code>
<div class="block">Sets the quaternion to the given euler angles in degrees.</div>
</td>
</tr>
<tr id="i44" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setEulerAnglesRad-float-float-float-">setEulerAnglesRad</a></span>(float&nbsp;yaw,
float&nbsp;pitch,
float&nbsp;roll)</code>
<div class="block">Sets the quaternion to the given euler angles in radians.</div>
</td>
</tr>
<tr id="i45" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromAxes-boolean-float-float-float-float-float-float-float-float-float-">setFromAxes</a></span>(boolean&nbsp;normalizeAxes,
float&nbsp;xx,
float&nbsp;xy,
float&nbsp;xz,
float&nbsp;yx,
float&nbsp;yy,
float&nbsp;yz,
float&nbsp;zx,
float&nbsp;zy,
float&nbsp;zz)</code>
<div class="block">
Sets the Quaternion from the given x-, y- and z-axis.</div>
</td>
</tr>
<tr id="i46" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromAxes-float-float-float-float-float-float-float-float-float-">setFromAxes</a></span>(float&nbsp;xx,
float&nbsp;xy,
float&nbsp;xz,
float&nbsp;yx,
float&nbsp;yy,
float&nbsp;yz,
float&nbsp;zx,
float&nbsp;zy,
float&nbsp;zz)</code>
<div class="block">
Sets the Quaternion from the given x-, y- and z-axis which have to be orthonormal.</div>
</td>
</tr>
<tr id="i47" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromAxis-float-float-float-float-">setFromAxis</a></span>(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;degrees)</code>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.</div>
</td>
</tr>
<tr id="i48" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromAxis-com.badlogic.gdx.math.Vector3-float-">setFromAxis</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis,
float&nbsp;degrees)</code>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.</div>
</td>
</tr>
<tr id="i49" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromAxisRad-float-float-float-float-">setFromAxisRad</a></span>(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;radians)</code>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.</div>
</td>
</tr>
<tr id="i50" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromAxisRad-com.badlogic.gdx.math.Vector3-float-">setFromAxisRad</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis,
float&nbsp;radians)</code>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.</div>
</td>
</tr>
<tr id="i51" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromCross-float-float-float-float-float-float-">setFromCross</a></span>(float&nbsp;x1,
float&nbsp;y1,
float&nbsp;z1,
float&nbsp;x2,
float&nbsp;y2,
float&nbsp;z2)</code>
<div class="block">Set this quaternion to the rotation between two vectors.</div>
</td>
</tr>
<tr id="i52" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromCross-com.badlogic.gdx.math.Vector3-com.badlogic.gdx.math.Vector3-">setFromCross</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;v1,
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;v2)</code>
<div class="block">Set this quaternion to the rotation between two vectors.</div>
</td>
</tr>
<tr id="i53" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromMatrix-boolean-com.badlogic.gdx.math.Matrix3-">setFromMatrix</a></span>(boolean&nbsp;normalizeAxes,
<a href="../../../../com/badlogic/gdx/math/Matrix3.html" title="class in com.badlogic.gdx.math">Matrix3</a>&nbsp;matrix)</code>
<div class="block">Sets the Quaternion from the given matrix, optionally removing any scaling.</div>
</td>
</tr>
<tr id="i54" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromMatrix-boolean-com.badlogic.gdx.math.Matrix4-">setFromMatrix</a></span>(boolean&nbsp;normalizeAxes,
<a href="../../../../com/badlogic/gdx/math/Matrix4.html" title="class in com.badlogic.gdx.math">Matrix4</a>&nbsp;matrix)</code>
<div class="block">Sets the Quaternion from the given matrix, optionally removing any scaling.</div>
</td>
</tr>
<tr id="i55" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromMatrix-com.badlogic.gdx.math.Matrix3-">setFromMatrix</a></span>(<a href="../../../../com/badlogic/gdx/math/Matrix3.html" title="class in com.badlogic.gdx.math">Matrix3</a>&nbsp;matrix)</code>
<div class="block">Sets the Quaternion from the given rotation matrix, which must not contain scaling.</div>
</td>
</tr>
<tr id="i56" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromMatrix-com.badlogic.gdx.math.Matrix4-">setFromMatrix</a></span>(<a href="../../../../com/badlogic/gdx/math/Matrix4.html" title="class in com.badlogic.gdx.math">Matrix4</a>&nbsp;matrix)</code>
<div class="block">Sets the Quaternion from the given rotation matrix, which must not contain scaling.</div>
</td>
</tr>
<tr id="i57" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#slerp-com.badlogic.gdx.math.Quaternion:A-">slerp</a></span>(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>[]&nbsp;q)</code>
<div class="block">Spherical linearly interpolates multiple quaternions and stores the result in this Quaternion.</div>
</td>
</tr>
<tr id="i58" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#slerp-com.badlogic.gdx.math.Quaternion:A-float:A-">slerp</a></span>(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>[]&nbsp;q,
float[]&nbsp;w)</code>
<div class="block">Spherical linearly interpolates multiple quaternions by the given weights and stores the result in this Quaternion.</div>
</td>
</tr>
<tr id="i59" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#slerp-com.badlogic.gdx.math.Quaternion-float-">slerp</a></span>(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;end,
float&nbsp;alpha)</code>
<div class="block">Spherical linear interpolation between this quaternion and the other quaternion, based on the alpha value in the range
[0,1].</div>
</td>
</tr>
<tr id="i60" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#toMatrix-float:A-">toMatrix</a></span>(float[]&nbsp;matrix)</code>
<div class="block">Fills a 4x4 matrix with the rotation matrix represented by this quaternion.</div>
</td>
</tr>
<tr id="i61" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#toString--">toString</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i62" class="altColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/Quaternion.html#transform-com.badlogic.gdx.math.Vector3-">transform</a></span>(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;v)</code>
<div class="block">Transforms the given vector using this quaternion</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li>
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<h3>Field Detail</h3>
<a name="x">
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<h4>x</h4>
<pre>public&nbsp;float x</pre>
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<h4>y</h4>
<pre>public&nbsp;float y</pre>
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<pre>public&nbsp;float z</pre>
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<pre>public&nbsp;float w</pre>
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<h4>Quaternion</h4>
<pre>public&nbsp;Quaternion(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</pre>
<div class="block">Constructor, sets the four components of the quaternion.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x</code> - The x-component</dd>
<dd><code>y</code> - The y-component</dd>
<dd><code>z</code> - The z-component</dd>
<dd><code>w</code> - The w-component</dd>
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<h4>Quaternion</h4>
<pre>public&nbsp;Quaternion()</pre>
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<h4>Quaternion</h4>
<pre>public&nbsp;Quaternion(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;quaternion)</pre>
<div class="block">Constructor, sets the quaternion components from the given quaternion.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>quaternion</code> - The quaternion to copy.</dd>
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<pre>public&nbsp;Quaternion(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis,
float&nbsp;angle)</pre>
<div class="block">Constructor, sets the quaternion from the given axis vector and the angle around that axis in degrees.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axis</code> - The axis</dd>
<dd><code>angle</code> - The angle in degrees.</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;set(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</pre>
<div class="block">Sets the components of the quaternion</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x</code> - The x-component</dd>
<dd><code>y</code> - The y-component</dd>
<dd><code>z</code> - The z-component</dd>
<dd><code>w</code> - The w-component</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;set(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;quaternion)</pre>
<div class="block">Sets the quaternion components from the given quaternion.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>quaternion</code> - The quaternion.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining.</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;set(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis,
float&nbsp;angle)</pre>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axis</code> - The axis</dd>
<dd><code>angle</code> - The angle in degrees</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining.</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;cpy()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a copy of this quaternion</dd>
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<pre>public static final&nbsp;float&nbsp;len(float&nbsp;x,
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float&nbsp;z,
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the euclidean length of the specified quaternion</dd>
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<pre>public&nbsp;float&nbsp;len()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
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<pre>public&nbsp;java.lang.String&nbsp;toString()</pre>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setEulerAngles(float&nbsp;yaw,
float&nbsp;pitch,
float&nbsp;roll)</pre>
<div class="block">Sets the quaternion to the given euler angles in degrees.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>yaw</code> - the rotation around the y axis in degrees</dd>
<dd><code>pitch</code> - the rotation around the x axis in degrees</dd>
<dd><code>roll</code> - the rotation around the z axis degrees</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this quaternion</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setEulerAnglesRad(float&nbsp;yaw,
float&nbsp;pitch,
float&nbsp;roll)</pre>
<div class="block">Sets the quaternion to the given euler angles in radians.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>yaw</code> - the rotation around the y axis in radians</dd>
<dd><code>pitch</code> - the rotation around the x axis in radians</dd>
<dd><code>roll</code> - the rotation around the z axis in radians</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this quaternion</dd>
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<pre>public&nbsp;int&nbsp;getGimbalPole()</pre>
<div class="block">Get the pole of the gimbal lock, if any.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>positive (+1) for north pole, negative (-1) for south pole, zero (0) when no gimbal lock</dd>
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<pre>public&nbsp;float&nbsp;getRollRad()</pre>
<div class="block">Get the roll euler angle in radians, which is the rotation around the z axis. Requires that this quaternion is normalized.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the rotation around the z axis in radians (between -PI and +PI)</dd>
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<pre>public&nbsp;float&nbsp;getRoll()</pre>
<div class="block">Get the roll euler angle in degrees, which is the rotation around the z axis. Requires that this quaternion is normalized.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the rotation around the z axis in degrees (between -180 and +180)</dd>
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<pre>public&nbsp;float&nbsp;getPitchRad()</pre>
<div class="block">Get the pitch euler angle in radians, which is the rotation around the x axis. Requires that this quaternion is normalized.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the rotation around the x axis in radians (between -(PI/2) and +(PI/2))</dd>
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<pre>public&nbsp;float&nbsp;getPitch()</pre>
<div class="block">Get the pitch euler angle in degrees, which is the rotation around the x axis. Requires that this quaternion is normalized.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the rotation around the x axis in degrees (between -90 and +90)</dd>
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<pre>public&nbsp;float&nbsp;getYawRad()</pre>
<div class="block">Get the yaw euler angle in radians, which is the rotation around the y axis. Requires that this quaternion is normalized.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the rotation around the y axis in radians (between -PI and +PI)</dd>
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<pre>public&nbsp;float&nbsp;getYaw()</pre>
<div class="block">Get the yaw euler angle in degrees, which is the rotation around the y axis. Requires that this quaternion is normalized.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the rotation around the y axis in degrees (between -180 and +180)</dd>
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<pre>public static final&nbsp;float&nbsp;len2(float&nbsp;x,
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<pre>public&nbsp;float&nbsp;len2()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the length of this quaternion without square root</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;nor()</pre>
<div class="block">Normalizes this quaternion to unit length</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the quaternion for chaining</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;conjugate()</pre>
<div class="block">Conjugate the quaternion.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;transform(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;v)</pre>
<div class="block">Transforms the given vector using this quaternion</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>v</code> - Vector to transform</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;mul(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;other)</pre>
<div class="block">Multiplies this quaternion with another one in the form of this = this * other</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>other</code> - Quaternion to multiply with</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;mul(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</pre>
<div class="block">Multiplies this quaternion with another one in the form of this = this * other</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x</code> - the x component of the other quaternion to multiply with</dd>
<dd><code>y</code> - the y component of the other quaternion to multiply with</dd>
<dd><code>z</code> - the z component of the other quaternion to multiply with</dd>
<dd><code>w</code> - the w component of the other quaternion to multiply with</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;mulLeft(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;other)</pre>
<div class="block">Multiplies this quaternion with another one in the form of this = other * this</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>other</code> - Quaternion to multiply with</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;mulLeft(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</pre>
<div class="block">Multiplies this quaternion with another one in the form of this = other * this</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x</code> - the x component of the other quaternion to multiply with</dd>
<dd><code>y</code> - the y component of the other quaternion to multiply with</dd>
<dd><code>z</code> - the z component of the other quaternion to multiply with</dd>
<dd><code>w</code> - the w component of the other quaternion to multiply with</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;add(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;quaternion)</pre>
<div class="block">Add the x,y,z,w components of the passed in quaternion to the ones of this quaternion</div>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;add(float&nbsp;qx,
float&nbsp;qy,
float&nbsp;qz,
float&nbsp;qw)</pre>
<div class="block">Add the x,y,z,w components of the passed in quaternion to the ones of this quaternion</div>
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<pre>public&nbsp;void&nbsp;toMatrix(float[]&nbsp;matrix)</pre>
<div class="block">Fills a 4x4 matrix with the rotation matrix represented by this quaternion.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>matrix</code> - Matrix to fill</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;idt()</pre>
<div class="block">Sets the quaternion to an identity Quaternion</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>this quaternion for chaining</dd>
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<pre>public&nbsp;boolean&nbsp;isIdentity()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>If this quaternion is an identity Quaternion</dd>
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<pre>public&nbsp;boolean&nbsp;isIdentity(float&nbsp;tolerance)</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>If this quaternion is an identity Quaternion</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromAxis(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis,
float&nbsp;degrees)</pre>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axis</code> - The axis</dd>
<dd><code>degrees</code> - The angle in degrees</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining.</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromAxisRad(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis,
float&nbsp;radians)</pre>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axis</code> - The axis</dd>
<dd><code>radians</code> - The angle in radians</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining.</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromAxis(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;degrees)</pre>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x</code> - X direction of the axis</dd>
<dd><code>y</code> - Y direction of the axis</dd>
<dd><code>z</code> - Z direction of the axis</dd>
<dd><code>degrees</code> - The angle in degrees</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining.</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromAxisRad(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;radians)</pre>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x</code> - X direction of the axis</dd>
<dd><code>y</code> - Y direction of the axis</dd>
<dd><code>z</code> - Z direction of the axis</dd>
<dd><code>radians</code> - The angle in radians</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining.</dd>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromMatrix(boolean&nbsp;normalizeAxes,
<a href="../../../../com/badlogic/gdx/math/Matrix4.html" title="class in com.badlogic.gdx.math">Matrix4</a>&nbsp;matrix)</pre>
<div class="block">Sets the Quaternion from the given matrix, optionally removing any scaling.</div>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromMatrix(<a href="../../../../com/badlogic/gdx/math/Matrix4.html" title="class in com.badlogic.gdx.math">Matrix4</a>&nbsp;matrix)</pre>
<div class="block">Sets the Quaternion from the given rotation matrix, which must not contain scaling.</div>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromMatrix(boolean&nbsp;normalizeAxes,
<a href="../../../../com/badlogic/gdx/math/Matrix3.html" title="class in com.badlogic.gdx.math">Matrix3</a>&nbsp;matrix)</pre>
<div class="block">Sets the Quaternion from the given matrix, optionally removing any scaling.</div>
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<h4>setFromMatrix</h4>
<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromMatrix(<a href="../../../../com/badlogic/gdx/math/Matrix3.html" title="class in com.badlogic.gdx.math">Matrix3</a>&nbsp;matrix)</pre>
<div class="block">Sets the Quaternion from the given rotation matrix, which must not contain scaling.</div>
</li>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromAxes(float&nbsp;xx,
float&nbsp;xy,
float&nbsp;xz,
float&nbsp;yx,
float&nbsp;yy,
float&nbsp;yz,
float&nbsp;zx,
float&nbsp;zy,
float&nbsp;zz)</pre>
<div class="block"><p>
Sets the Quaternion from the given x-, y- and z-axis which have to be orthonormal.
</p>
<p>
Taken from Bones framework for JPCT, see http://www.aptalkarga.com/bones/ which in turn took it from Graphics Gem code at
ftp://ftp.cis.upenn.edu/pub/graphics/shoemake/quatut.ps.Z.
</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>xx</code> - x-axis x-coordinate</dd>
<dd><code>xy</code> - x-axis y-coordinate</dd>
<dd><code>xz</code> - x-axis z-coordinate</dd>
<dd><code>yx</code> - y-axis x-coordinate</dd>
<dd><code>yy</code> - y-axis y-coordinate</dd>
<dd><code>yz</code> - y-axis z-coordinate</dd>
<dd><code>zx</code> - z-axis x-coordinate</dd>
<dd><code>zy</code> - z-axis y-coordinate</dd>
<dd><code>zz</code> - z-axis z-coordinate</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromAxes(boolean&nbsp;normalizeAxes,
float&nbsp;xx,
float&nbsp;xy,
float&nbsp;xz,
float&nbsp;yx,
float&nbsp;yy,
float&nbsp;yz,
float&nbsp;zx,
float&nbsp;zy,
float&nbsp;zz)</pre>
<div class="block"><p>
Sets the Quaternion from the given x-, y- and z-axis.
</p>
<p>
Taken from Bones framework for JPCT, see http://www.aptalkarga.com/bones/ which in turn took it from Graphics Gem code at
ftp://ftp.cis.upenn.edu/pub/graphics/shoemake/quatut.ps.Z.
</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>normalizeAxes</code> - whether to normalize the axes (necessary when they contain scaling)</dd>
<dd><code>xx</code> - x-axis x-coordinate</dd>
<dd><code>xy</code> - x-axis y-coordinate</dd>
<dd><code>xz</code> - x-axis z-coordinate</dd>
<dd><code>yx</code> - y-axis x-coordinate</dd>
<dd><code>yy</code> - y-axis y-coordinate</dd>
<dd><code>yz</code> - y-axis z-coordinate</dd>
<dd><code>zx</code> - z-axis x-coordinate</dd>
<dd><code>zy</code> - z-axis y-coordinate</dd>
<dd><code>zz</code> - z-axis z-coordinate</dd>
</dl>
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<h4>setFromCross</h4>
<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromCross(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;v1,
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;v2)</pre>
<div class="block">Set this quaternion to the rotation between two vectors.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>v1</code> - The base vector, which should be normalized.</dd>
<dd><code>v2</code> - The target vector, which should be normalized.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;setFromCross(float&nbsp;x1,
float&nbsp;y1,
float&nbsp;z1,
float&nbsp;x2,
float&nbsp;y2,
float&nbsp;z2)</pre>
<div class="block">Set this quaternion to the rotation between two vectors.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x1</code> - The base vectors x value, which should be normalized.</dd>
<dd><code>y1</code> - The base vectors y value, which should be normalized.</dd>
<dd><code>z1</code> - The base vectors z value, which should be normalized.</dd>
<dd><code>x2</code> - The target vector x value, which should be normalized.</dd>
<dd><code>y2</code> - The target vector y value, which should be normalized.</dd>
<dd><code>z2</code> - The target vector z value, which should be normalized.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;slerp(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;end,
float&nbsp;alpha)</pre>
<div class="block">Spherical linear interpolation between this quaternion and the other quaternion, based on the alpha value in the range
[0,1]. Taken from Bones framework for JPCT, see http://www.aptalkarga.com/bones/</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>end</code> - the end quaternion</dd>
<dd><code>alpha</code> - alpha in the range [0,1]</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this quaternion for chaining</dd>
</dl>
</li>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;slerp(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>[]&nbsp;q)</pre>
<div class="block">Spherical linearly interpolates multiple quaternions and stores the result in this Quaternion. Will not destroy the data
previously inside the elements of q. result = (q_1^w_1)*(q_2^w_2)* ... *(q_n^w_n) where w_i=1/n.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>q</code> - List of quaternions</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;slerp(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>[]&nbsp;q,
float[]&nbsp;w)</pre>
<div class="block">Spherical linearly interpolates multiple quaternions by the given weights and stores the result in this Quaternion. Will not
destroy the data previously inside the elements of q or w. result = (q_1^w_1)*(q_2^w_2)* ... *(q_n^w_n) where the sum of w_i
is 1. Lists must be equal in length.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>q</code> - List of quaternions</dd>
<dd><code>w</code> - List of weights</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
</dl>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;exp(float&nbsp;alpha)</pre>
<div class="block">Calculates (this quaternion)^alpha where alpha is a real number and stores the result in this quaternion. See
http://en.wikipedia.org/wiki/Quaternion#Exponential.2C_logarithm.2C_and_power</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>alpha</code> - Exponent</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This quaternion for chaining</dd>
</dl>
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<pre>public&nbsp;int&nbsp;hashCode()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>hashCode</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
</dl>
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<pre>public&nbsp;boolean&nbsp;equals(java.lang.Object&nbsp;obj)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>equals</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
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<pre>public static final&nbsp;float&nbsp;dot(float&nbsp;x1,
float&nbsp;y1,
float&nbsp;z1,
float&nbsp;w1,
float&nbsp;x2,
float&nbsp;y2,
float&nbsp;z2,
float&nbsp;w2)</pre>
<div class="block">Get the dot product between the two quaternions (commutative).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x1</code> - the x component of the first quaternion</dd>
<dd><code>y1</code> - the y component of the first quaternion</dd>
<dd><code>z1</code> - the z component of the first quaternion</dd>
<dd><code>w1</code> - the w component of the first quaternion</dd>
<dd><code>x2</code> - the x component of the second quaternion</dd>
<dd><code>y2</code> - the y component of the second quaternion</dd>
<dd><code>z2</code> - the z component of the second quaternion</dd>
<dd><code>w2</code> - the w component of the second quaternion</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the dot product between the first and second quaternion.</dd>
</dl>
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<pre>public&nbsp;float&nbsp;dot(<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;other)</pre>
<div class="block">Get the dot product between this and the other quaternion (commutative).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>other</code> - the other quaternion.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the dot product of this and the other quaternion.</dd>
</dl>
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<pre>public&nbsp;float&nbsp;dot(float&nbsp;x,
float&nbsp;y,
float&nbsp;z,
float&nbsp;w)</pre>
<div class="block">Get the dot product between this and the other quaternion (commutative).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>x</code> - the x component of the other quaternion</dd>
<dd><code>y</code> - the y component of the other quaternion</dd>
<dd><code>z</code> - the z component of the other quaternion</dd>
<dd><code>w</code> - the w component of the other quaternion</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the dot product of this and the other quaternion.</dd>
</dl>
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<h4>mul</h4>
<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;mul(float&nbsp;scalar)</pre>
<div class="block">Multiplies the components of this quaternion with the given scalar.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>scalar</code> - the scalar.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this quaternion for chaining.</dd>
</dl>
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<h4>getAxisAngle</h4>
<pre>public&nbsp;float&nbsp;getAxisAngle(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis)</pre>
<div class="block">Get the axis angle representation of the rotation in degrees. The supplied vector will receive the axis (x, y and z values)
of the rotation and the value returned is the angle in degrees around that axis. Note that this method will alter the
supplied vector, the existing value of the vector is ignored. </p> This will normalize this quaternion if needed. The
received axis is a unit vector. However, if this is an identity quaternion (no rotation), then the length of the axis may be
zero.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axis</code> - vector which will receive the axis</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the angle in degrees</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="http://en.wikipedia.org/wiki/Axis%E2%80%93angle_representation">wikipedia</a>,
<a href="http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle">calculation</a></dd>
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<h4>getAxisAngleRad</h4>
<pre>public&nbsp;float&nbsp;getAxisAngleRad(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis)</pre>
<div class="block">Get the axis-angle representation of the rotation in radians. The supplied vector will receive the axis (x, y and z values)
of the rotation and the value returned is the angle in radians around that axis. Note that this method will alter the
supplied vector, the existing value of the vector is ignored. </p> This will normalize this quaternion if needed. The
received axis is a unit vector. However, if this is an identity quaternion (no rotation), then the length of the axis may be
zero.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axis</code> - vector which will receive the axis</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the angle in radians</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="http://en.wikipedia.org/wiki/Axis%E2%80%93angle_representation">wikipedia</a>,
<a href="http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle">calculation</a></dd>
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<h4>getAngleRad</h4>
<pre>public&nbsp;float&nbsp;getAngleRad()</pre>
<div class="block">Get the angle in radians of the rotation this quaternion represents. Does not normalize the quaternion. Use
<a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAxisAngleRad-com.badlogic.gdx.math.Vector3-"><code>getAxisAngleRad(Vector3)</code></a> to get both the axis and the angle of this rotation. Use
<a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAngleAroundRad-com.badlogic.gdx.math.Vector3-"><code>getAngleAroundRad(Vector3)</code></a> to get the angle around a specific axis.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the angle in radians of the rotation</dd>
</dl>
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<h4>getAngle</h4>
<pre>public&nbsp;float&nbsp;getAngle()</pre>
<div class="block">Get the angle in degrees of the rotation this quaternion represents. Use <a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAxisAngle-com.badlogic.gdx.math.Vector3-"><code>getAxisAngle(Vector3)</code></a> to get both the axis
and the angle of this rotation. Use <a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAngleAround-com.badlogic.gdx.math.Vector3-"><code>getAngleAround(Vector3)</code></a> to get the angle around a specific axis.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the angle in degrees of the rotation</dd>
</dl>
</li>
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<h4>getSwingTwist</h4>
<pre>public&nbsp;void&nbsp;getSwingTwist(float&nbsp;axisX,
float&nbsp;axisY,
float&nbsp;axisZ,
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;swing,
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;twist)</pre>
<div class="block">Get the swing rotation and twist rotation for the specified axis. The twist rotation represents the rotation around the
specified axis. The swing rotation represents the rotation of the specified axis itself, which is the rotation around an
axis perpendicular to the specified axis. </p> The swing and twist rotation can be used to reconstruct the original
quaternion: this = swing * twist</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axisX</code> - the X component of the normalized axis for which to get the swing and twist rotation</dd>
<dd><code>axisY</code> - the Y component of the normalized axis for which to get the swing and twist rotation</dd>
<dd><code>axisZ</code> - the Z component of the normalized axis for which to get the swing and twist rotation</dd>
<dd><code>swing</code> - will receive the swing rotation: the rotation around an axis perpendicular to the specified axis</dd>
<dd><code>twist</code> - will receive the twist rotation: the rotation around the specified axis</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="http://www.euclideanspace.com/maths/geometry/rotations/for/decomposition">calculation</a></dd>
</dl>
</li>
</ul>
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<h4>getSwingTwist</h4>
<pre>public&nbsp;void&nbsp;getSwingTwist(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis,
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;swing,
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion</a>&nbsp;twist)</pre>
<div class="block">Get the swing rotation and twist rotation for the specified axis. The twist rotation represents the rotation around the
specified axis. The swing rotation represents the rotation of the specified axis itself, which is the rotation around an
axis perpendicular to the specified axis. </p> The swing and twist rotation can be used to reconstruct the original
quaternion: this = swing * twist</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axis</code> - the normalized axis for which to get the swing and twist rotation</dd>
<dd><code>swing</code> - will receive the swing rotation: the rotation around an axis perpendicular to the specified axis</dd>
<dd><code>twist</code> - will receive the twist rotation: the rotation around the specified axis</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="http://www.euclideanspace.com/maths/geometry/rotations/for/decomposition">calculation</a></dd>
</dl>
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<h4>getAngleAroundRad</h4>
<pre>public&nbsp;float&nbsp;getAngleAroundRad(float&nbsp;axisX,
float&nbsp;axisY,
float&nbsp;axisZ)</pre>
<div class="block">Get the angle in radians of the rotation around the specified axis. The axis must be normalized.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axisX</code> - the x component of the normalized axis for which to get the angle</dd>
<dd><code>axisY</code> - the y component of the normalized axis for which to get the angle</dd>
<dd><code>axisZ</code> - the z component of the normalized axis for which to get the angle</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the angle in radians of the rotation around the specified axis</dd>
</dl>
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<pre>public&nbsp;float&nbsp;getAngleAroundRad(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis)</pre>
<div class="block">Get the angle in radians of the rotation around the specified axis. The axis must be normalized.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axis</code> - the normalized axis for which to get the angle</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the angle in radians of the rotation around the specified axis</dd>
</dl>
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<h4>getAngleAround</h4>
<pre>public&nbsp;float&nbsp;getAngleAround(float&nbsp;axisX,
float&nbsp;axisY,
float&nbsp;axisZ)</pre>
<div class="block">Get the angle in degrees of the rotation around the specified axis. The axis must be normalized.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axisX</code> - the x component of the normalized axis for which to get the angle</dd>
<dd><code>axisY</code> - the y component of the normalized axis for which to get the angle</dd>
<dd><code>axisZ</code> - the z component of the normalized axis for which to get the angle</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the angle in degrees of the rotation around the specified axis</dd>
</dl>
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<h4>getAngleAround</h4>
<pre>public&nbsp;float&nbsp;getAngleAround(<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3</a>&nbsp;axis)</pre>
<div class="block">Get the angle in degrees of the rotation around the specified axis. The axis must be normalized.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>axis</code> - the normalized axis for which to get the angle</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the angle in degrees of the rotation around the specified axis</dd>
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