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<div class="subTitle">com.badlogic.gdx.math
</div>
<h2 title="Class Quaternion" class="title">Class Quaternion
</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object
</li>
<li>
<ul class="inheritance">
<li>com.badlogic.gdx.math.Quaternion
</li>
</ul>
</li>
</ul>
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<dt>All Implemented Interfaces:
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<dd>java.io.Serializable
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<br>
<pre>public class
<span class="strong">Quaternion
</span>
extends java.lang.Object
implements java.io.Serializable
</pre>
<div class="block">A simple quaternion class. See
<a href="http://en.wikipedia.org/wiki/Quaternion">http://en.wikipedia.org/wiki/Quaternion
</a>
for more information.
</div>
<dl><dt><span class="strong">Author:
</span></dt>
<dd>badlogicgames@gmail.com, vesuvio
</dd>
<dt><span class="strong">See Also:
</span></dt><dd><a href="../../../../serialized-form.html#com.badlogic.gdx.math.Quaternion">Serialized Form
</a></dd></dl>
</li>
</ul>
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<caption><span>Fields
</span><span class="tabEnd"> </span></caption>
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<th class="colFirst" scope="col">Modifier and Type
</th>
<th class="colLast" scope="col">Field and Description
</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#w">w
</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#x">x
</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#y">y
</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#z">z
</a></strong></code> </td>
</tr>
</table>
</li>
</ul>
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<caption><span>Constructors
</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description
</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#Quaternion()">Quaternion
</a></strong>()
</code> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#Quaternion(float, float, float, float)">Quaternion
</a></strong>(float
x,
float
y,
float
z,
float
w)
</code>
<div class="block">Constructor, sets the four components of the quaternion.
</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#Quaternion(com.badlogic.gdx.math.Quaternion)">Quaternion
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> quaternion)
</code>
<div class="block">Constructor, sets the quaternion components from the given quaternion.
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#Quaternion(com.badlogic.gdx.math.Vector3, float)">Quaternion
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> axis,
float
angle)
</code>
<div class="block">Constructor, sets the quaternion from the given axis vector and the angle around that axis in degrees.
</div>
</td>
</tr>
</table>
</li>
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<h3>Method Summary
</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods
</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type
</th>
<th class="colLast" scope="col">Method and Description
</th>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#conjugate()">conjugate
</a></strong>()
</code>
<div class="block">Conjugate the quaternion.
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#cpy()">cpy
</a></strong>()
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#dot(com.badlogic.gdx.math.Quaternion)">dot
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> other)
</code>
<div class="block">Dot product between this and the other quaternion.
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#equals(java.lang.Object)">equals
</a></strong>(java.lang.Object
o)
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#getAxisAngle(com.badlogic.gdx.math.Vector3)">getAxisAngle
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> axis)
</code>
<div class="block">Get the angle and the axis of rotation
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#idt()">idt
</a></strong>()
</code>
<div class="block">Sets the quaternion to an identity Quaternion
</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#len()">len
</a></strong>()
</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#len2()">len2
</a></strong>()
</code> </td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#mul(float)">mul
</a></strong>(float
scalar)
</code>
<div class="block">Multiplies the components of this quaternion with the given scalar.
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#mul(com.badlogic.gdx.math.Quaternion)">mul
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> q)
</code>
<div class="block">Multiplies this quaternion with another one
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#mulLeft(com.badlogic.gdx.math.Quaternion)">mulLeft
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> q)
</code>
<div class="block">Multiplies this quaternion with another one in the form of q * this
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#nor()">nor
</a></strong>()
</code>
<div class="block">Normalizes this quaternion to unit length
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#set(float, float, float, float)">set
</a></strong>(float
x,
float
y,
float
z,
float
w)
</code>
<div class="block">Sets the components of the quaternion
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#set(com.badlogic.gdx.math.Quaternion)">set
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> quaternion)
</code>
<div class="block">Sets the quaternion components from the given quaternion.
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#set(com.badlogic.gdx.math.Vector3, float)">set
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> axis,
float
angle)
</code>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setEulerAngles(float, float, float)">setEulerAngles
</a></strong>(float
yaw,
float
pitch,
float
roll)
</code>
<div class="block">Sets the quaternion to the given euler angles.
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromAxes(float, float, float, float, float, float, float, float, float)">setFromAxes
</a></strong>(float
xx,
float
xy,
float
xz,
float
yx,
float
yy,
float
yz,
float
zx,
float
zy,
float
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 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromAxis(float, float, float, float)">setFromAxis
</a></strong>(float
x,
float
y,
float
z,
float
angle)
</code>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromAxis(com.badlogic.gdx.math.Vector3, float)">setFromAxis
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> axis,
float
angle)
</code>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromCross(float, float, float, float, float, float)">setFromCross
</a></strong>(float
x1,
float
y1,
float
z1,
float
x2,
float
y2,
float
z2)
</code>
<div class="block">Set this quaternion to the rotation between two vectors.
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromCross(com.badlogic.gdx.math.Vector3, com.badlogic.gdx.math.Vector3)">setFromCross
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> v1,
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> v2)
</code>
<div class="block">Set this quaternion to the rotation between two vectors.
</div>
</td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#setFromMatrix(com.badlogic.gdx.math.Matrix4)">setFromMatrix
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Matrix4.html" title="class in com.badlogic.gdx.math">Matrix4
</a> matrix)
</code> </td>
</tr>
<tr 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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#slerp(com.badlogic.gdx.math.Quaternion, float)">slerp
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> end,
float
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 class="rowColor">
<td class="colFirst"><code>void
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#toMatrix(float[])">toMatrix
</a></strong>(float[]
matrix)
</code>
<div class="block">Fills a 4x4 matrix with the rotation matrix represented by this quaternion.
</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.String
</code></td>
<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#toString()">toString
</a></strong>()
</code></td>
</tr>
<tr class="rowColor">
<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><strong><a href="../../../../com/badlogic/gdx/math/Quaternion.html#transform(com.badlogic.gdx.math.Vector3)">transform
</a></strong>(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> v)
</code>
<div class="block">Transforms the given vector using this quaternion
</div>
</td>
</tr>
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<h3>Methods inherited from class
java.lang.Object
</h3>
<code>clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
</code></li>
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</li>
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<pre>public
float x
</pre>
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<h4>y
</h4>
<pre>public
float y
</pre>
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<h4>z
</h4>
<pre>public
float z
</pre>
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<h4>w
</h4>
<pre>public
float w
</pre>
</li>
</ul>
</li>
</ul>
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<ul class="blockList">
<li class="blockList"><a name="constructor_detail">
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</a>
<h3>Constructor Detail
</h3>
<a name="Quaternion(float, float, float, float)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>Quaternion
</h4>
<pre>public
Quaternion(float
x,
float
y,
float
z,
float
w)
</pre>
<div class="block">Constructor, sets the four components of the quaternion.
</div>
<dl><dt><span class="strong">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></dl>
</li>
</ul>
<a name="Quaternion()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>Quaternion
</h4>
<pre>public
Quaternion()
</pre>
</li>
</ul>
<a name="Quaternion(com.badlogic.gdx.math.Quaternion)">
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<h4>Quaternion
</h4>
<pre>public
Quaternion(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> quaternion)
</pre>
<div class="block">Constructor, sets the quaternion components from the given quaternion.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>quaternion
</code> - The quaternion to copy.
</dd></dl>
</li>
</ul>
<a name="Quaternion(com.badlogic.gdx.math.Vector3, float)">
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</a>
<ul class="blockListLast">
<li class="blockList">
<h4>Quaternion
</h4>
<pre>public
Quaternion(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> axis,
float
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="strong">Parameters:
</span></dt><dd><code>axis
</code> - The axis
</dd><dd><code>angle
</code> - The angle in degrees.
</dd></dl>
</li>
</ul>
</li>
</ul>
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<h3>Method Detail
</h3>
<a name="set(float, float, float, float)">
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<h4>set
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> set(float
x,
float
y,
float
z,
float
w)
</pre>
<div class="block">Sets the components of the quaternion
</div>
<dl><dt><span class="strong">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="strong">Returns:
</span></dt><dd>This quaternion for chaining
</dd></dl>
</li>
</ul>
<a name="set(com.badlogic.gdx.math.Quaternion)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>set
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> set(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> quaternion)
</pre>
<div class="block">Sets the quaternion components from the given quaternion.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>quaternion
</code> - The quaternion.
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>This quaternion for chaining.
</dd></dl>
</li>
</ul>
<a name="set(com.badlogic.gdx.math.Vector3, float)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>set
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> set(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> axis,
float
angle)
</pre>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>axis
</code> - The axis
</dd><dd><code>angle
</code> - The angle in degrees
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>This quaternion for chaining.
</dd></dl>
</li>
</ul>
<a name="cpy()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>cpy
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> cpy()
</pre>
<dl><dt><span class="strong">Returns:
</span></dt><dd>a copy of this quaternion
</dd></dl>
</li>
</ul>
<a name="len()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>len
</h4>
<pre>public
float
len()
</pre>
<dl><dt><span class="strong">Returns:
</span></dt><dd>the euclidian length of this quaternion
</dd></dl>
</li>
</ul>
<a name="toString()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>toString
</h4>
<pre>public
java.lang.String
toString()
</pre>
<dl>
<dt><strong>Overrides:
</strong></dt>
<dd><code>toString
</code> in class
<code>java.lang.Object
</code></dd>
</dl>
</li>
</ul>
<a name="setEulerAngles(float, float, float)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>setEulerAngles
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> setEulerAngles(float
yaw,
float
pitch,
float
roll)
</pre>
<div class="block">Sets the quaternion to the given euler angles.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>yaw
</code> - the yaw in degrees
</dd><dd><code>pitch
</code> - the pitch in degress
</dd><dd><code>roll
</code> - the roll in degess
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>this quaternion
</dd></dl>
</li>
</ul>
<a name="len2()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>len2
</h4>
<pre>public
float
len2()
</pre>
<dl><dt><span class="strong">Returns:
</span></dt><dd>the length of this quaternion without square root
</dd></dl>
</li>
</ul>
<a name="nor()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>nor
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> nor()
</pre>
<div class="block">Normalizes this quaternion to unit length
</div>
<dl><dt><span class="strong">Returns:
</span></dt><dd>the quaternion for chaining
</dd></dl>
</li>
</ul>
<a name="conjugate()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>conjugate
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> conjugate()
</pre>
<div class="block">Conjugate the quaternion.
</div>
<dl><dt><span class="strong">Returns:
</span></dt><dd>This quaternion for chaining
</dd></dl>
</li>
</ul>
<a name="transform(com.badlogic.gdx.math.Vector3)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>transform
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> transform(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> v)
</pre>
<div class="block">Transforms the given vector using this quaternion
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>v
</code> - Vector to transform
</dd></dl>
</li>
</ul>
<a name="mul(com.badlogic.gdx.math.Quaternion)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>mul
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> mul(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> q)
</pre>
<div class="block">Multiplies this quaternion with another one
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>q
</code> - Quaternion to multiply with
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>This quaternion for chaining
</dd></dl>
</li>
</ul>
<a name="mulLeft(com.badlogic.gdx.math.Quaternion)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>mulLeft
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> mulLeft(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> q)
</pre>
<div class="block">Multiplies this quaternion with another one in the form of q * this
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>q
</code> - Quaternion to multiply with
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>This quaternion for chaining
</dd></dl>
</li>
</ul>
<a name="toMatrix(float[])">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>toMatrix
</h4>
<pre>public
void
toMatrix(float[]
matrix)
</pre>
<div class="block">Fills a 4x4 matrix with the rotation matrix represented by this quaternion.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>matrix
</code> - Matrix to fill
</dd></dl>
</li>
</ul>
<a name="idt()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>idt
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> idt()
</pre>
<div class="block">Sets the quaternion to an identity Quaternion
</div>
<dl><dt><span class="strong">Returns:
</span></dt><dd>this quaternion for chaining
</dd></dl>
</li>
</ul>
<a name="setFromAxis(com.badlogic.gdx.math.Vector3, float)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>setFromAxis
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> setFromAxis(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> axis,
float
angle)
</pre>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>axis
</code> - The axis
</dd><dd><code>angle
</code> - The angle in degrees
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>This quaternion for chaining.
</dd></dl>
</li>
</ul>
<a name="setFromAxis(float, float, float, float)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>setFromAxis
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> setFromAxis(float
x,
float
y,
float
z,
float
angle)
</pre>
<div class="block">Sets the quaternion components from the given axis and angle around that axis.
</div>
<dl><dt><span class="strong">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>angle
</code> - The angle in degrees
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>This quaternion for chaining.
</dd></dl>
</li>
</ul>
<a name="setFromMatrix(com.badlogic.gdx.math.Matrix4)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>setFromMatrix
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> setFromMatrix(
<a href="../../../../com/badlogic/gdx/math/Matrix4.html" title="class in com.badlogic.gdx.math">Matrix4
</a> matrix)
</pre>
</li>
</ul>
<a name="setFromAxes(float, float, float, float, float, float, float, float, float)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>setFromAxes
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> setFromAxes(float
xx,
float
xy,
float
xz,
float
yx,
float
yy,
float
yz,
float
zx,
float
zy,
float
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="strong">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>
</li>
</ul>
<a name="setFromCross(com.badlogic.gdx.math.Vector3, com.badlogic.gdx.math.Vector3)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>setFromCross
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> setFromCross(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> v1,
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> v2)
</pre>
<div class="block">Set this quaternion to the rotation between two vectors.
</div>
<dl><dt><span class="strong">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="strong">Returns:
</span></dt><dd>This quaternion for chaining
</dd></dl>
</li>
</ul>
<a name="setFromCross(float, float, float, float, float, float)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>setFromCross
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> setFromCross(float
x1,
float
y1,
float
z1,
float
x2,
float
y2,
float
z2)
</pre>
<div class="block">Set this quaternion to the rotation between two vectors.
</div>
<dl><dt><span class="strong">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="strong">Returns:
</span></dt><dd>This quaternion for chaining
</dd></dl>
</li>
</ul>
<a name="slerp(com.badlogic.gdx.math.Quaternion, float)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>slerp
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> slerp(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> end,
float
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. Taken from Bones framework for JPCT, see http://www.aptalkarga.com/bones/
</div>
<dl><dt><span class="strong">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="strong">Returns:
</span></dt><dd>this quaternion for chaining
</dd></dl>
</li>
</ul>
<a name="equals(java.lang.Object)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>equals
</h4>
<pre>public
boolean
equals(java.lang.Object
o)
</pre>
<dl>
<dt><strong>Overrides:
</strong></dt>
<dd><code>equals
</code> in class
<code>java.lang.Object
</code></dd>
</dl>
</li>
</ul>
<a name="dot(com.badlogic.gdx.math.Quaternion)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>dot
</h4>
<pre>public
float
dot(
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> other)
</pre>
<div class="block">Dot product between this and the other quaternion.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>other
</code> - the other quaternion.
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>this quaternion for chaining.
</dd></dl>
</li>
</ul>
<a name="mul(float)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>mul
</h4>
<pre>public
<a href="../../../../com/badlogic/gdx/math/Quaternion.html" title="class in com.badlogic.gdx.math">Quaternion
</a> mul(float
scalar)
</pre>
<div class="block">Multiplies the components of this quaternion with the given scalar.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>scalar
</code> - the scalar.
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>this quaternion for chaining.
</dd></dl>
</li>
</ul>
<a name="getAxisAngle(com.badlogic.gdx.math.Vector3)">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>getAxisAngle
</h4>
<pre>public
float
getAxisAngle(
<a href="../../../../com/badlogic/gdx/math/Vector3.html" title="class in com.badlogic.gdx.math">Vector3
</a> axis)
</pre>
<div class="block">Get the angle and the axis of rotation
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>axis
</code> - axis to get
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>the angle
</dd></dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
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