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88<a href="#pub-methods">Public Member Functions</a> &#124;
89<a href="#pub-attribs">Public Attributes</a> </div>
90 <div class="headertitle">
91<div class="title">irr::core::quaternion Class Reference</div> </div>
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93<div class="contents">
94<!-- doxytag: class="irr::core::quaternion" -->
95<p>Quaternion class for representing rotations.
96 <a href="classirr_1_1core_1_1quaternion.html#details">More...</a></p>
97
98<p><code>#include &lt;<a class="el" href="quaternion_8h_source.html">quaternion.h</a>&gt;</code></p>
99
100<p><a href="classirr_1_1core_1_1quaternion-members.html">List of all members.</a></p>
101<h2><a name="pub-methods"></a>
102Public Member Functions</h2>
103<ul>
104<li><a class="el" href="classirr_1_1core_1_1quaternion.html#af19629224bc2ed3a3ecbc335309099c8">quaternion</a> ()
105<dl class="el"><dd class="mdescRight">Default Constructor. <a href="#af19629224bc2ed3a3ecbc335309099c8"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html#a7bff9d1ca51483f96094fa5ac9d97342">quaternion</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> x, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> y, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> z, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> w)
106<dl class="el"><dd class="mdescRight">Constructor. <a href="#a7bff9d1ca51483f96094fa5ac9d97342"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html#a299947a6d5c4f3ac2aa64fcffcc11be0">quaternion</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> x, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> y, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> z)
107<dl class="el"><dd class="mdescRight">Constructor which converts euler angles (radians) to a quaternion. <a href="#a299947a6d5c4f3ac2aa64fcffcc11be0"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html#af8d613780a8d0e3f2775f6f9086db3b0">quaternion</a> (const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;vec)
108<dl class="el"><dd class="mdescRight">Constructor which converts euler angles (radians) to a quaternion. <a href="#af8d613780a8d0e3f2775f6f9086db3b0"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html#a60b4e1a97224c18da64e49861b8d0107">quaternion</a> (const <a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> &amp;mat)
109<dl class="el"><dd class="mdescRight">Constructor which converts a matrix to a quaternion. <a href="#a60b4e1a97224c18da64e49861b8d0107"></a><br/></dl><li><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a1ae4b20abb602514510b4134accc9978">dotProduct</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;other) const
110<dl class="el"><dd class="mdescRight">Calculates the dot product. <a href="#a1ae4b20abb602514510b4134accc9978"></a><br/></dl><li>bool <a class="el" href="classirr_1_1core_1_1quaternion.html#aca274395cd033f21be8fd6f2a0e7f9b1">equals</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;other, const <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> tolerance=<a class="el" href="namespaceirr_1_1core.html#a9514dd34463a30102ef8836915cf9c4c">ROUNDING_ERROR_f32</a>) const
111<dl class="el"><dd class="mdescRight">returns if this quaternion equals the other one, taking floating point rounding errors into account <a href="#aca274395cd033f21be8fd6f2a0e7f9b1"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#ab4f5eb86ef7a42a3021b810486faa8c8">fromAngleAxis</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> angle, const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;axis)
112<dl class="el"><dd class="mdescRight">Create quaternion from rotation angle and rotation axis. <a href="#ab4f5eb86ef7a42a3021b810486faa8c8"></a><br/></dl><li><a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a4913dba1c8448eb1dae91f7476a90125">getMatrix</a> () const
113<dl class="el"><dd class="mdescRight">Creates a matrix from this quaternion. <a href="#a4913dba1c8448eb1dae91f7476a90125"></a><br/></dl><li>void <a class="el" href="classirr_1_1core_1_1quaternion.html#aed6c208834ad8d3ae484bfd694e7ece0">getMatrix</a> (<a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> &amp;dest, const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;translation=<a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a>()) const
114<dl class="el"><dd class="mdescRight">Creates a matrix from this quaternion. <a href="#aed6c208834ad8d3ae484bfd694e7ece0"></a><br/></dl><li>void <a class="el" href="classirr_1_1core_1_1quaternion.html#ad54809de078e19b7f95c7c0e466cbfa8">getMatrix_transposed</a> (<a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> &amp;dest) const
115<dl class="el"><dd class="mdescRight">Creates a matrix from this quaternion. <a href="#ad54809de078e19b7f95c7c0e466cbfa8"></a><br/></dl><li>void <a class="el" href="classirr_1_1core_1_1quaternion.html#a3d5efafd9f646ab5e86812797dc0b975">getMatrixCenter</a> (<a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> &amp;dest, const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;center, const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;translation) const
116<li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#a75b5cb2d26397f07399e79ea20f1aff1">lerp</a> (<a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> q1, <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> q2, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> time)
117<dl class="el"><dd class="mdescRight">Set this quaternion to the linear interpolation between two quaternions. <a href="#a75b5cb2d26397f07399e79ea20f1aff1"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#a3b4f6634670591f2c5be33aeaac2e928">makeIdentity</a> ()
118<dl class="el"><dd class="mdescRight">Set quaternion to identity. <a href="#a3b4f6634670591f2c5be33aeaac2e928"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#a2e286be8b088fa3ade0ab74880ea4508">makeInverse</a> ()
119<dl class="el"><dd class="mdescRight">Inverts this quaternion. <a href="#a2e286be8b088fa3ade0ab74880ea4508"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#aac7a34ffd2a14a78de12d994539b94f9">normalize</a> ()
120<dl class="el"><dd class="mdescRight">Normalizes the quaternion. <a href="#aac7a34ffd2a14a78de12d994539b94f9"></a><br/></dl><li>bool <a class="el" href="classirr_1_1core_1_1quaternion.html#a23e1614821c307b91b4fa370a29da56a">operator!=</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;other) const
121<dl class="el"><dd class="mdescRight">inequality operator <a href="#a23e1614821c307b91b4fa370a29da56a"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a740a2885a20005a62e8f24dffa1d48c7">operator*</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;other) const
122<dl class="el"><dd class="mdescRight">Multiplication operator. <a href="#a740a2885a20005a62e8f24dffa1d48c7"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#ae320e6a2c6fc1b6ab579645f1056a310">operator*</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> s) const
123<dl class="el"><dd class="mdescRight">Multiplication operator with scalar. <a href="#ae320e6a2c6fc1b6ab579645f1056a310"></a><br/></dl><li><a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a08d7b70acc572e7345f9bb7aadef3505">operator*</a> (const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;v) const
124<dl class="el"><dd class="mdescRight">Multiplication operator. <a href="#a08d7b70acc572e7345f9bb7aadef3505"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#a933b6bf1ace6875068c5c01741bb4096">operator*=</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> s)
125<dl class="el"><dd class="mdescRight">Multiplication operator with scalar. <a href="#a933b6bf1ace6875068c5c01741bb4096"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#ad6b251ec3861ae7be90ac0ddc0cd44f4">operator*=</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;other)
126<dl class="el"><dd class="mdescRight">Multiplication operator. <a href="#ad6b251ec3861ae7be90ac0ddc0cd44f4"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a8fa3541f577ba6daa583f936f7cdb978">operator+</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;other) const
127<dl class="el"><dd class="mdescRight">Add operator. <a href="#a8fa3541f577ba6daa583f936f7cdb978"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#a14e694153904d3026eac8c9f14a5df1c">operator=</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;other)
128<dl class="el"><dd class="mdescRight">Assignment operator. <a href="#a14e694153904d3026eac8c9f14a5df1c"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#aed887a4f908b44aa13ef5f77291134f0">operator=</a> (const <a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> &amp;other)
129<dl class="el"><dd class="mdescRight">Matrix assignment operator. <a href="#aed887a4f908b44aa13ef5f77291134f0"></a><br/></dl><li>bool <a class="el" href="classirr_1_1core_1_1quaternion.html#a37ed741a0a63c8f829817c76dae0c4cc">operator==</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;other) const
130<dl class="el"><dd class="mdescRight">Equalilty operator. <a href="#a37ed741a0a63c8f829817c76dae0c4cc"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#a9da1b3ddfb9722f596a73abf5212c020">rotationFromTo</a> (const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;from, const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;to)
131<dl class="el"><dd class="mdescRight">Set quaternion to represent a rotation from one vector to another. <a href="#a9da1b3ddfb9722f596a73abf5212c020"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#a51b8ba2c12a6e6ce9af0d60430f199e3">set</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> x, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> y, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> z, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> w)
132<dl class="el"><dd class="mdescRight">Sets new quaternion. <a href="#a51b8ba2c12a6e6ce9af0d60430f199e3"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#adb1393a5e3833622bfd6009f53ab842e">set</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> x, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> y, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> z)
133<dl class="el"><dd class="mdescRight">Sets new quaternion based on euler angles (radians) <a href="#adb1393a5e3833622bfd6009f53ab842e"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#a76b7f0569737c2143ca6dae47abd8fdd">set</a> (const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;vec)
134<dl class="el"><dd class="mdescRight">Sets new quaternion based on euler angles (radians) <a href="#a76b7f0569737c2143ca6dae47abd8fdd"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#aa99cf40ab088323e5fc31ccdbe9fa2ad">set</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">core::quaternion</a> &amp;quat)
135<dl class="el"><dd class="mdescRight">Sets new quaternion from other quaternion. <a href="#aa99cf40ab088323e5fc31ccdbe9fa2ad"></a><br/></dl><li><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; <a class="el" href="classirr_1_1core_1_1quaternion.html#a91335e9fdb50c3cfc2042aa9a4bfdf68">slerp</a> (<a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> q1, <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> q2, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> time, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> threshold=.05f)
136<dl class="el"><dd class="mdescRight">Set this quaternion to the result of the spherical interpolation between two quaternions. <a href="#a91335e9fdb50c3cfc2042aa9a4bfdf68"></a><br/></dl><li>void <a class="el" href="classirr_1_1core_1_1quaternion.html#aa36e7548f62749238086832d9b693cad">toAngleAxis</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> &amp;angle, <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;axis) const
137<dl class="el"><dd class="mdescRight">Fills an angle (radians) around an axis (unit vector) <a href="#aa36e7548f62749238086832d9b693cad"></a><br/></dl><li>void <a class="el" href="classirr_1_1core_1_1quaternion.html#a651d5a90572f14b9a2a5c17caea0e764">toEuler</a> (<a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;euler) const
138<dl class="el"><dd class="mdescRight">Output this quaternion to an euler angle (radians) <a href="#a651d5a90572f14b9a2a5c17caea0e764"></a><br/></dl></ul>
139<h2><a name="pub-attribs"></a>
140Public Attributes</h2>
141<ul>
142<li><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#abd35ca07eda3783a00b27ff9a49e43b8">W</a>
143<li><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a69f2ee15363f0b9baa0b3cbb70091342">X</a>
144<dl class="el"><dd class="mdescRight">Quaternion elements. <a href="#a69f2ee15363f0b9baa0b3cbb70091342"></a><br/></dl><li><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a7c571eaca7b5c9e5f5b8d7872d51dac9">Y</a>
145<li><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a9080571243e191219aca47758b8638a1">Z</a>
146</ul>
147<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
148<div class="textblock"><p>Quaternion class for representing rotations. </p>
149<p>It provides cheap combinations and avoids gimbal locks. Also useful for interpolations. </p>
150
151<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00026">26</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
152</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
153<a class="anchor" id="af19629224bc2ed3a3ecbc335309099c8"></a><!-- doxytag: member="irr::core::quaternion::quaternion" ref="af19629224bc2ed3a3ecbc335309099c8" args="()" -->
154<div class="memitem">
155<div class="memproto">
156 <table class="memname">
157 <tr>
158 <td class="memname">irr::core::quaternion::quaternion </td>
159 <td>(</td>
160 <td class="paramname"></td><td>)</td>
161 <td><code> [inline]</code></td>
162 </tr>
163 </table>
164</div>
165<div class="memdoc">
166
167<p>Default Constructor. </p>
168
169<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00031">31</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
170
171<p>Referenced by <a class="el" href="quaternion_8h_source.html#l00308">operator*()</a>, and <a class="el" href="quaternion_8h_source.html#l00331">operator+()</a>.</p>
172
173</div>
174</div>
175<a class="anchor" id="a7bff9d1ca51483f96094fa5ac9d97342"></a><!-- doxytag: member="irr::core::quaternion::quaternion" ref="a7bff9d1ca51483f96094fa5ac9d97342" args="(f32 x, f32 y, f32 z, f32 w)" -->
176<div class="memitem">
177<div class="memproto">
178 <table class="memname">
179 <tr>
180 <td class="memname">irr::core::quaternion::quaternion </td>
181 <td>(</td>
182 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
183 <td class="paramname"><em>x</em>, </td>
184 </tr>
185 <tr>
186 <td class="paramkey"></td>
187 <td></td>
188 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
189 <td class="paramname"><em>y</em>, </td>
190 </tr>
191 <tr>
192 <td class="paramkey"></td>
193 <td></td>
194 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
195 <td class="paramname"><em>z</em>, </td>
196 </tr>
197 <tr>
198 <td class="paramkey"></td>
199 <td></td>
200 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
201 <td class="paramname"><em>w</em>&#160;</td>
202 </tr>
203 <tr>
204 <td></td>
205 <td>)</td>
206 <td></td><td><code> [inline]</code></td>
207 </tr>
208 </table>
209</div>
210<div class="memdoc">
211
212<p>Constructor. </p>
213
214<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00034">34</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
215
216</div>
217</div>
218<a class="anchor" id="a299947a6d5c4f3ac2aa64fcffcc11be0"></a><!-- doxytag: member="irr::core::quaternion::quaternion" ref="a299947a6d5c4f3ac2aa64fcffcc11be0" args="(f32 x, f32 y, f32 z)" -->
219<div class="memitem">
220<div class="memproto">
221 <table class="memname">
222 <tr>
223 <td class="memname">irr::core::quaternion::quaternion </td>
224 <td>(</td>
225 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
226 <td class="paramname"><em>x</em>, </td>
227 </tr>
228 <tr>
229 <td class="paramkey"></td>
230 <td></td>
231 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
232 <td class="paramname"><em>y</em>, </td>
233 </tr>
234 <tr>
235 <td class="paramkey"></td>
236 <td></td>
237 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
238 <td class="paramname"><em>z</em>&#160;</td>
239 </tr>
240 <tr>
241 <td></td>
242 <td>)</td>
243 <td></td><td><code> [inline]</code></td>
244 </tr>
245 </table>
246</div>
247<div class="memdoc">
248
249<p>Constructor which converts euler angles (radians) to a quaternion. </p>
250
251<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00187">187</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
252
253</div>
254</div>
255<a class="anchor" id="af8d613780a8d0e3f2775f6f9086db3b0"></a><!-- doxytag: member="irr::core::quaternion::quaternion" ref="af8d613780a8d0e3f2775f6f9086db3b0" args="(const vector3df &amp;vec)" -->
256<div class="memitem">
257<div class="memproto">
258 <table class="memname">
259 <tr>
260 <td class="memname">irr::core::quaternion::quaternion </td>
261 <td>(</td>
262 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;&#160;</td>
263 <td class="paramname"><em>vec</em></td><td>)</td>
264 <td><code> [inline]</code></td>
265 </tr>
266 </table>
267</div>
268<div class="memdoc">
269
270<p>Constructor which converts euler angles (radians) to a quaternion. </p>
271
272<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00194">194</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
273
274<p>References <a class="el" href="vector3d_8h_source.html#l00408">irr::core::vector3d&lt; T &gt;::X</a>, <a class="el" href="vector3d_8h_source.html#l00411">irr::core::vector3d&lt; T &gt;::Y</a>, and <a class="el" href="vector3d_8h_source.html#l00414">irr::core::vector3d&lt; T &gt;::Z</a>.</p>
275
276</div>
277</div>
278<a class="anchor" id="a60b4e1a97224c18da64e49861b8d0107"></a><!-- doxytag: member="irr::core::quaternion::quaternion" ref="a60b4e1a97224c18da64e49861b8d0107" args="(const matrix4 &amp;mat)" -->
279<div class="memitem">
280<div class="memproto">
281 <table class="memname">
282 <tr>
283 <td class="memname">irr::core::quaternion::quaternion </td>
284 <td>(</td>
285 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> &amp;&#160;</td>
286 <td class="paramname"><em>mat</em></td><td>)</td>
287 <td><code> [inline]</code></td>
288 </tr>
289 </table>
290</div>
291<div class="memdoc">
292
293<p>Constructor which converts a matrix to a quaternion. </p>
294
295<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00201">201</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
296
297</div>
298</div>
299<hr/><h2>Member Function Documentation</h2>
300<a class="anchor" id="a1ae4b20abb602514510b4134accc9978"></a><!-- doxytag: member="irr::core::quaternion::dotProduct" ref="a1ae4b20abb602514510b4134accc9978" args="(const quaternion &amp;other) const " -->
301<div class="memitem">
302<div class="memproto">
303 <table class="memname">
304 <tr>
305 <td class="memname"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> irr::core::quaternion::dotProduct </td>
306 <td>(</td>
307 <td class="paramtype">const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;&#160;</td>
308 <td class="paramname"><em>other</em></td><td>)</td>
309 <td> const<code> [inline]</code></td>
310 </tr>
311 </table>
312</div>
313<div class="memdoc">
314
315<p>Calculates the dot product. </p>
316
317<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00556">556</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
318
319<p>References <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
320
321<p>Referenced by <a class="el" href="quaternion_8h_source.html#l00531">slerp()</a>.</p>
322
323</div>
324</div>
325<a class="anchor" id="aca274395cd033f21be8fd6f2a0e7f9b1"></a><!-- doxytag: member="irr::core::quaternion::equals" ref="aca274395cd033f21be8fd6f2a0e7f9b1" args="(const quaternion &amp;other, const f32 tolerance=ROUNDING_ERROR_f32) const " -->
326<div class="memitem">
327<div class="memproto">
328 <table class="memname">
329 <tr>
330 <td class="memname">bool irr::core::quaternion::equals </td>
331 <td>(</td>
332 <td class="paramtype">const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;&#160;</td>
333 <td class="paramname"><em>other</em>, </td>
334 </tr>
335 <tr>
336 <td class="paramkey"></td>
337 <td></td>
338 <td class="paramtype">const <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
339 <td class="paramname"><em>tolerance</em> = <code><a class="el" href="namespaceirr_1_1core.html#a9514dd34463a30102ef8836915cf9c4c">ROUNDING_ERROR_f32</a></code>&#160;</td>
340 </tr>
341 <tr>
342 <td></td>
343 <td>)</td>
344 <td></td><td> const<code> [inline]</code></td>
345 </tr>
346 </table>
347</div>
348<div class="memdoc">
349
350<p>returns if this quaternion equals the other one, taking floating point rounding errors into account </p>
351
352<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00500">500</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
353
354<p>References <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
355
356</div>
357</div>
358<a class="anchor" id="ab4f5eb86ef7a42a3021b810486faa8c8"></a><!-- doxytag: member="irr::core::quaternion::fromAngleAxis" ref="ab4f5eb86ef7a42a3021b810486faa8c8" args="(f32 angle, const vector3df &amp;axis)" -->
359<div class="memitem">
360<div class="memproto">
361 <table class="memname">
362 <tr>
363 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::fromAngleAxis </td>
364 <td>(</td>
365 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
366 <td class="paramname"><em>angle</em>, </td>
367 </tr>
368 <tr>
369 <td class="paramkey"></td>
370 <td></td>
371 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;&#160;</td>
372 <td class="paramname"><em>axis</em>&#160;</td>
373 </tr>
374 <tr>
375 <td></td>
376 <td>)</td>
377 <td></td><td><code> [inline]</code></td>
378 </tr>
379 </table>
380</div>
381<div class="memdoc">
382
383<p>Create quaternion from rotation angle and rotation axis. </p>
384<p>axis must be unit length, angle in radians</p>
385<p>Axis must be unit length. The quaternion representing the rotation is q = cos(A/2)+sin(A/2)*(x*i+y*j+z*k). </p>
386<dl><dt><b>Parameters:</b></dt><dd>
387 <table class="params">
388 <tr><td class="paramname">angle</td><td>Rotation Angle in radians. </td></tr>
389 <tr><td class="paramname">axis</td><td>Rotation axis. </td></tr>
390 </table>
391 </dd>
392</dl>
393
394<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00563">563</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
395
396<p>References <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="vector3d_8h_source.html#l00408">irr::core::vector3d&lt; T &gt;::X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, <a class="el" href="vector3d_8h_source.html#l00411">irr::core::vector3d&lt; T &gt;::Y</a>, <a class="el" href="quaternion_8h_source.html#l00181">Z</a>, and <a class="el" href="vector3d_8h_source.html#l00414">irr::core::vector3d&lt; T &gt;::Z</a>.</p>
397
398</div>
399</div>
400<a class="anchor" id="a4913dba1c8448eb1dae91f7476a90125"></a><!-- doxytag: member="irr::core::quaternion::getMatrix" ref="a4913dba1c8448eb1dae91f7476a90125" args="() const " -->
401<div class="memitem">
402<div class="memproto">
403 <table class="memname">
404 <tr>
405 <td class="memname"><a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> irr::core::quaternion::getMatrix </td>
406 <td>(</td>
407 <td class="paramname"></td><td>)</td>
408 <td> const<code> [inline]</code></td>
409 </tr>
410 </table>
411</div>
412<div class="memdoc">
413
414<p>Creates a matrix from this quaternion. </p>
415
416<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00338">338</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
417
418<p>Referenced by <a class="el" href="_i_animated_mesh_m_d3_8h_source.html#l00174">irr::scene::SMD3QuaternionTag::setto()</a>.</p>
419
420</div>
421</div>
422<a class="anchor" id="aed6c208834ad8d3ae484bfd694e7ece0"></a><!-- doxytag: member="irr::core::quaternion::getMatrix" ref="aed6c208834ad8d3ae484bfd694e7ece0" args="(matrix4 &amp;dest, const core::vector3df &amp;translation=core::vector3df()) const " -->
423<div class="memitem">
424<div class="memproto">
425 <table class="memname">
426 <tr>
427 <td class="memname">void irr::core::quaternion::getMatrix </td>
428 <td>(</td>
429 <td class="paramtype"><a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> &amp;&#160;</td>
430 <td class="paramname"><em>dest</em>, </td>
431 </tr>
432 <tr>
433 <td class="paramkey"></td>
434 <td></td>
435 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;&#160;</td>
436 <td class="paramname"><em>center</em> = <code><a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a>()</code>&#160;</td>
437 </tr>
438 <tr>
439 <td></td>
440 <td>)</td>
441 <td></td><td> const<code> [inline]</code></td>
442 </tr>
443 </table>
444</div>
445<div class="memdoc">
446
447<p>Creates a matrix from this quaternion. </p>
448<p>Creates a matrix from this quaternion </p>
449
450<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00349">349</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
451
452<p>References <a class="el" href="matrix4_8h_source.html#l02188">irr::core::CMatrix4&lt; T &gt;::setDefinitelyIdentityMatrix()</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="vector3d_8h_source.html#l00408">irr::core::vector3d&lt; T &gt;::X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, <a class="el" href="vector3d_8h_source.html#l00411">irr::core::vector3d&lt; T &gt;::Y</a>, <a class="el" href="quaternion_8h_source.html#l00181">Z</a>, and <a class="el" href="vector3d_8h_source.html#l00414">irr::core::vector3d&lt; T &gt;::Z</a>.</p>
453
454</div>
455</div>
456<a class="anchor" id="ad54809de078e19b7f95c7c0e466cbfa8"></a><!-- doxytag: member="irr::core::quaternion::getMatrix_transposed" ref="ad54809de078e19b7f95c7c0e466cbfa8" args="(matrix4 &amp;dest) const " -->
457<div class="memitem">
458<div class="memproto">
459 <table class="memname">
460 <tr>
461 <td class="memname">void irr::core::quaternion::getMatrix_transposed </td>
462 <td>(</td>
463 <td class="paramtype"><a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> &amp;&#160;</td>
464 <td class="paramname"><em>dest</em></td><td>)</td>
465 <td> const<code> [inline]</code></td>
466 </tr>
467 </table>
468</div>
469<div class="memdoc">
470
471<p>Creates a matrix from this quaternion. </p>
472
473<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00411">411</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
474
475<p>References <a class="el" href="matrix4_8h_source.html#l02188">irr::core::CMatrix4&lt; T &gt;::setDefinitelyIdentityMatrix()</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
476
477</div>
478</div>
479<a class="anchor" id="a3d5efafd9f646ab5e86812797dc0b975"></a><!-- doxytag: member="irr::core::quaternion::getMatrixCenter" ref="a3d5efafd9f646ab5e86812797dc0b975" args="(matrix4 &amp;dest, const core::vector3df &amp;center, const core::vector3df &amp;translation) const " -->
480<div class="memitem">
481<div class="memproto">
482 <table class="memname">
483 <tr>
484 <td class="memname">void irr::core::quaternion::getMatrixCenter </td>
485 <td>(</td>
486 <td class="paramtype"><a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> &amp;&#160;</td>
487 <td class="paramname"><em>dest</em>, </td>
488 </tr>
489 <tr>
490 <td class="paramkey"></td>
491 <td></td>
492 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;&#160;</td>
493 <td class="paramname"><em>center</em>, </td>
494 </tr>
495 <tr>
496 <td class="paramkey"></td>
497 <td></td>
498 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;&#160;</td>
499 <td class="paramname"><em>translation</em>&#160;</td>
500 </tr>
501 <tr>
502 <td></td>
503 <td>)</td>
504 <td></td><td> const<code> [inline]</code></td>
505 </tr>
506 </table>
507</div>
508<div class="memdoc">
509<p>Creates a matrix from this quaternion Rotate about a center point shortcut for <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">core::quaternion</a> q; q.rotationFromTo ( vin[i].Normal, forward ); q.getMatrixCenter ( lookat, center, newPos );</p>
510<p><a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65" title="Typedef for f32 matrix.">core::matrix4</a> m2; m2.setInverseTranslation ( center ); lookat *= m2;</p>
511<p><a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65" title="Typedef for f32 matrix.">core::matrix4</a> m3; m2.setTranslation ( newPos ); lookat *= m3;</p>
512<p>Creates a matrix from this quaternion Rotate about a center point shortcut for <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">core::quaternion</a> q; q.rotationFromTo(vin[i].Normal, forward); q.getMatrix(lookat, center);</p>
513<p><a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65" title="Typedef for f32 matrix.">core::matrix4</a> m2; m2.setInverseTranslation(center); lookat *= m2; </p>
514
515<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00388">388</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
516
517<p>References <a class="el" href="matrix4_8h_source.html#l02041">irr::core::CMatrix4&lt; T &gt;::setRotationCenter()</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
518
519</div>
520</div>
521<a class="anchor" id="a75b5cb2d26397f07399e79ea20f1aff1"></a><!-- doxytag: member="irr::core::quaternion::lerp" ref="a75b5cb2d26397f07399e79ea20f1aff1" args="(quaternion q1, quaternion q2, f32 time)" -->
522<div class="memitem">
523<div class="memproto">
524 <table class="memname">
525 <tr>
526 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::lerp </td>
527 <td>(</td>
528 <td class="paramtype"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a>&#160;</td>
529 <td class="paramname"><em>q1</em>, </td>
530 </tr>
531 <tr>
532 <td class="paramkey"></td>
533 <td></td>
534 <td class="paramtype"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a>&#160;</td>
535 <td class="paramname"><em>q2</em>, </td>
536 </tr>
537 <tr>
538 <td class="paramkey"></td>
539 <td></td>
540 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
541 <td class="paramname"><em>time</em>&#160;</td>
542 </tr>
543 <tr>
544 <td></td>
545 <td>)</td>
546 <td></td><td><code> [inline]</code></td>
547 </tr>
548 </table>
549</div>
550<div class="memdoc">
551
552<p>Set this quaternion to the linear interpolation between two quaternions. </p>
553<dl><dt><b>Parameters:</b></dt><dd>
554 <table class="params">
555 <tr><td class="paramname">q1</td><td>First quaternion to be interpolated. </td></tr>
556 <tr><td class="paramname">q2</td><td>Second quaternion to be interpolated. </td></tr>
557 <tr><td class="paramname">time</td><td>Progress of interpolation. For time=0 the result is q1, for time=1 the result is q2. Otherwise interpolation between q1 and q2. </td></tr>
558 </table>
559 </dd>
560</dl>
561
562<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00523">523</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
563
564<p>Referenced by <a class="el" href="quaternion_8h_source.html#l00531">slerp()</a>.</p>
565
566</div>
567</div>
568<a class="anchor" id="a3b4f6634670591f2c5be33aeaac2e928"></a><!-- doxytag: member="irr::core::quaternion::makeIdentity" ref="a3b4f6634670591f2c5be33aeaac2e928" args="()" -->
569<div class="memitem">
570<div class="memproto">
571 <table class="memname">
572 <tr>
573 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">core::quaternion</a> &amp; irr::core::quaternion::makeIdentity </td>
574 <td>(</td>
575 <td class="paramname"></td><td>)</td>
576 <td><code> [inline]</code></td>
577 </tr>
578 </table>
579</div>
580<div class="memdoc">
581
582<p>Set quaternion to identity. </p>
583
584<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00649">649</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
585
586<p>References <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
587
588<p>Referenced by <a class="el" href="quaternion_8h_source.html#l00658">rotationFromTo()</a>.</p>
589
590</div>
591</div>
592<a class="anchor" id="a2e286be8b088fa3ade0ab74880ea4508"></a><!-- doxytag: member="irr::core::quaternion::makeInverse" ref="a2e286be8b088fa3ade0ab74880ea4508" args="()" -->
593<div class="memitem">
594<div class="memproto">
595 <table class="memname">
596 <tr>
597 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::makeInverse </td>
598 <td>(</td>
599 <td class="paramname"></td><td>)</td>
600 <td><code> [inline]</code></td>
601 </tr>
602 </table>
603</div>
604<div class="memdoc">
605
606<p>Inverts this quaternion. </p>
607
608<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00438">438</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
609
610<p>References <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
611
612</div>
613</div>
614<a class="anchor" id="aac7a34ffd2a14a78de12d994539b94f9"></a><!-- doxytag: member="irr::core::quaternion::normalize" ref="aac7a34ffd2a14a78de12d994539b94f9" args="()" -->
615<div class="memitem">
616<div class="memproto">
617 <table class="memname">
618 <tr>
619 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::normalize </td>
620 <td>(</td>
621 <td class="paramname"></td><td>)</td>
622 <td><code> [inline]</code></td>
623 </tr>
624 </table>
625</div>
626<div class="memdoc">
627
628<p>Normalizes the quaternion. </p>
629
630<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00510">510</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
631
632<p>References <a class="el" href="irr_math_8h_source.html#l00497">irr::core::reciprocal_squareroot()</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
633
634<p>Referenced by <a class="el" href="quaternion_8h_source.html#l00234">operator=()</a>, <a class="el" href="quaternion_8h_source.html#l00658">rotationFromTo()</a>, and <a class="el" href="quaternion_8h_source.html#l00457">set()</a>.</p>
635
636</div>
637</div>
638<a class="anchor" id="a23e1614821c307b91b4fa370a29da56a"></a><!-- doxytag: member="irr::core::quaternion::operator!=" ref="a23e1614821c307b91b4fa370a29da56a" args="(const quaternion &amp;other) const " -->
639<div class="memitem">
640<div class="memproto">
641 <table class="memname">
642 <tr>
643 <td class="memname">bool irr::core::quaternion::operator!= </td>
644 <td>(</td>
645 <td class="paramtype">const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;&#160;</td>
646 <td class="paramname"><em>other</em></td><td>)</td>
647 <td> const<code> [inline]</code></td>
648 </tr>
649 </table>
650</div>
651<div class="memdoc">
652
653<p>inequality operator </p>
654
655<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00217">217</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
656
657</div>
658</div>
659<a class="anchor" id="a740a2885a20005a62e8f24dffa1d48c7"></a><!-- doxytag: member="irr::core::quaternion::operator*" ref="a740a2885a20005a62e8f24dffa1d48c7" args="(const quaternion &amp;other) const " -->
660<div class="memitem">
661<div class="memproto">
662 <table class="memname">
663 <tr>
664 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> irr::core::quaternion::operator* </td>
665 <td>(</td>
666 <td class="paramtype">const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;&#160;</td>
667 <td class="paramname"><em>other</em></td><td>)</td>
668 <td> const<code> [inline]</code></td>
669 </tr>
670 </table>
671</div>
672<div class="memdoc">
673
674<p>Multiplication operator. </p>
675
676<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00294">294</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
677
678<p>References <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
679
680</div>
681</div>
682<a class="anchor" id="ae320e6a2c6fc1b6ab579645f1056a310"></a><!-- doxytag: member="irr::core::quaternion::operator*" ref="ae320e6a2c6fc1b6ab579645f1056a310" args="(f32 s) const " -->
683<div class="memitem">
684<div class="memproto">
685 <table class="memname">
686 <tr>
687 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> irr::core::quaternion::operator* </td>
688 <td>(</td>
689 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
690 <td class="paramname"><em>s</em></td><td>)</td>
691 <td> const<code> [inline]</code></td>
692 </tr>
693 </table>
694</div>
695<div class="memdoc">
696
697<p>Multiplication operator with scalar. </p>
698
699<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00308">308</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
700
701<p>References <a class="el" href="quaternion_8h_source.html#l00031">quaternion()</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
702
703</div>
704</div>
705<a class="anchor" id="a08d7b70acc572e7345f9bb7aadef3505"></a><!-- doxytag: member="irr::core::quaternion::operator*" ref="a08d7b70acc572e7345f9bb7aadef3505" args="(const vector3df &amp;v) const " -->
706<div class="memitem">
707<div class="memproto">
708 <table class="memname">
709 <tr>
710 <td class="memname"><a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> irr::core::quaternion::operator* </td>
711 <td>(</td>
712 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;&#160;</td>
713 <td class="paramname"><em>v</em></td><td>)</td>
714 <td> const<code> [inline]</code></td>
715 </tr>
716 </table>
717</div>
718<div class="memdoc">
719
720<p>Multiplication operator. </p>
721
722<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00634">634</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
723
724<p>References <a class="el" href="vector3d_8h_source.html#l00147">irr::core::vector3d&lt; T &gt;::crossProduct()</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
725
726</div>
727</div>
728<a class="anchor" id="a933b6bf1ace6875068c5c01741bb4096"></a><!-- doxytag: member="irr::core::quaternion::operator*=" ref="a933b6bf1ace6875068c5c01741bb4096" args="(f32 s)" -->
729<div class="memitem">
730<div class="memproto">
731 <table class="memname">
732 <tr>
733 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::operator*= </td>
734 <td>(</td>
735 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
736 <td class="paramname"><em>s</em></td><td>)</td>
737 <td><code> [inline]</code></td>
738 </tr>
739 </table>
740</div>
741<div class="memdoc">
742
743<p>Multiplication operator with scalar. </p>
744
745<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00315">315</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
746
747<p>References <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
748
749</div>
750</div>
751<a class="anchor" id="ad6b251ec3861ae7be90ac0ddc0cd44f4"></a><!-- doxytag: member="irr::core::quaternion::operator*=" ref="ad6b251ec3861ae7be90ac0ddc0cd44f4" args="(const quaternion &amp;other)" -->
752<div class="memitem">
753<div class="memproto">
754 <table class="memname">
755 <tr>
756 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::operator*= </td>
757 <td>(</td>
758 <td class="paramtype">const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;&#160;</td>
759 <td class="paramname"><em>other</em></td><td>)</td>
760 <td><code> [inline]</code></td>
761 </tr>
762 </table>
763</div>
764<div class="memdoc">
765
766<p>Multiplication operator. </p>
767
768<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00325">325</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
769
770</div>
771</div>
772<a class="anchor" id="a8fa3541f577ba6daa583f936f7cdb978"></a><!-- doxytag: member="irr::core::quaternion::operator+" ref="a8fa3541f577ba6daa583f936f7cdb978" args="(const quaternion &amp;other) const " -->
773<div class="memitem">
774<div class="memproto">
775 <table class="memname">
776 <tr>
777 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> irr::core::quaternion::operator+ </td>
778 <td>(</td>
779 <td class="paramtype">const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;&#160;</td>
780 <td class="paramname"><em>other</em></td><td>)</td>
781 <td> const<code> [inline]</code></td>
782 </tr>
783 </table>
784</div>
785<div class="memdoc">
786
787<p>Add operator. </p>
788
789<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00331">331</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
790
791<p>References <a class="el" href="quaternion_8h_source.html#l00031">quaternion()</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
792
793</div>
794</div>
795<a class="anchor" id="a14e694153904d3026eac8c9f14a5df1c"></a><!-- doxytag: member="irr::core::quaternion::operator=" ref="a14e694153904d3026eac8c9f14a5df1c" args="(const quaternion &amp;other)" -->
796<div class="memitem">
797<div class="memproto">
798 <table class="memname">
799 <tr>
800 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::operator= </td>
801 <td>(</td>
802 <td class="paramtype">const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;&#160;</td>
803 <td class="paramname"><em>other</em></td><td>)</td>
804 <td><code> [inline]</code></td>
805 </tr>
806 </table>
807</div>
808<div class="memdoc">
809
810<p>Assignment operator. </p>
811
812<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00223">223</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
813
814<p>References <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
815
816</div>
817</div>
818<a class="anchor" id="aed887a4f908b44aa13ef5f77291134f0"></a><!-- doxytag: member="irr::core::quaternion::operator=" ref="aed887a4f908b44aa13ef5f77291134f0" args="(const matrix4 &amp;other)" -->
819<div class="memitem">
820<div class="memproto">
821 <table class="memname">
822 <tr>
823 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::operator= </td>
824 <td>(</td>
825 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a73fa92e638c5ca97efd72da307cc9b65">matrix4</a> &amp;&#160;</td>
826 <td class="paramname"><em>other</em></td><td>)</td>
827 <td><code> [inline]</code></td>
828 </tr>
829 </table>
830</div>
831<div class="memdoc">
832
833<p>Matrix assignment operator. </p>
834
835<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00234">234</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
836
837<p>References <a class="el" href="quaternion_8h_source.html#l00510">normalize()</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
838
839</div>
840</div>
841<a class="anchor" id="a37ed741a0a63c8f829817c76dae0c4cc"></a><!-- doxytag: member="irr::core::quaternion::operator==" ref="a37ed741a0a63c8f829817c76dae0c4cc" args="(const quaternion &amp;other) const " -->
842<div class="memitem">
843<div class="memproto">
844 <table class="memname">
845 <tr>
846 <td class="memname">bool irr::core::quaternion::operator== </td>
847 <td>(</td>
848 <td class="paramtype">const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp;&#160;</td>
849 <td class="paramname"><em>other</em></td><td>)</td>
850 <td> const<code> [inline]</code></td>
851 </tr>
852 </table>
853</div>
854<div class="memdoc">
855
856<p>Equalilty operator. </p>
857
858<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00208">208</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
859
860<p>References <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
861
862</div>
863</div>
864<a class="anchor" id="a9da1b3ddfb9722f596a73abf5212c020"></a><!-- doxytag: member="irr::core::quaternion::rotationFromTo" ref="a9da1b3ddfb9722f596a73abf5212c020" args="(const vector3df &amp;from, const vector3df &amp;to)" -->
865<div class="memitem">
866<div class="memproto">
867 <table class="memname">
868 <tr>
869 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">core::quaternion</a> &amp; irr::core::quaternion::rotationFromTo </td>
870 <td>(</td>
871 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;&#160;</td>
872 <td class="paramname"><em>from</em>, </td>
873 </tr>
874 <tr>
875 <td class="paramkey"></td>
876 <td></td>
877 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;&#160;</td>
878 <td class="paramname"><em>to</em>&#160;</td>
879 </tr>
880 <tr>
881 <td></td>
882 <td>)</td>
883 <td></td><td><code> [inline]</code></td>
884 </tr>
885 </table>
886</div>
887<div class="memdoc">
888
889<p>Set quaternion to represent a rotation from one vector to another. </p>
890
891<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00658">658</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
892
893<p>References <a class="el" href="vector3d_8h_source.html#l00147">irr::core::vector3d&lt; T &gt;::crossProduct()</a>, <a class="el" href="vector3d_8h_source.html#l00125">irr::core::vector3d&lt; T &gt;::dotProduct()</a>, <a class="el" href="vector3d_8h_source.html#l00117">irr::core::vector3d&lt; T &gt;::getLength()</a>, <a class="el" href="quaternion_8h_source.html#l00649">makeIdentity()</a>, <a class="el" href="quaternion_8h_source.html#l00510">normalize()</a>, <a class="el" href="vector3d_8h_source.html#l00168">irr::core::vector3d&lt; T &gt;::normalize()</a>, <a class="el" href="vector3d_8h_source.html#l00113">irr::core::vector3d&lt; T &gt;::set()</a>, <a class="el" href="vector3d_8h_source.html#l00408">irr::core::vector3d&lt; T &gt;::X</a>, <a class="el" href="vector3d_8h_source.html#l00411">irr::core::vector3d&lt; T &gt;::Y</a>, and <a class="el" href="vector3d_8h_source.html#l00414">irr::core::vector3d&lt; T &gt;::Z</a>.</p>
894
895</div>
896</div>
897<a class="anchor" id="a51b8ba2c12a6e6ce9af0d60430f199e3"></a><!-- doxytag: member="irr::core::quaternion::set" ref="a51b8ba2c12a6e6ce9af0d60430f199e3" args="(f32 x, f32 y, f32 z, f32 w)" -->
898<div class="memitem">
899<div class="memproto">
900 <table class="memname">
901 <tr>
902 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::set </td>
903 <td>(</td>
904 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
905 <td class="paramname"><em>x</em>, </td>
906 </tr>
907 <tr>
908 <td class="paramkey"></td>
909 <td></td>
910 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
911 <td class="paramname"><em>y</em>, </td>
912 </tr>
913 <tr>
914 <td class="paramkey"></td>
915 <td></td>
916 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
917 <td class="paramname"><em>z</em>, </td>
918 </tr>
919 <tr>
920 <td class="paramkey"></td>
921 <td></td>
922 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
923 <td class="paramname"><em>w</em>&#160;</td>
924 </tr>
925 <tr>
926 <td></td>
927 <td>)</td>
928 <td></td><td><code> [inline]</code></td>
929 </tr>
930 </table>
931</div>
932<div class="memdoc">
933
934<p>Sets new quaternion. </p>
935
936<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00446">446</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
937
938<p>References <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
939
940</div>
941</div>
942<a class="anchor" id="adb1393a5e3833622bfd6009f53ab842e"></a><!-- doxytag: member="irr::core::quaternion::set" ref="adb1393a5e3833622bfd6009f53ab842e" args="(f32 x, f32 y, f32 z)" -->
943<div class="memitem">
944<div class="memproto">
945 <table class="memname">
946 <tr>
947 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::set </td>
948 <td>(</td>
949 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
950 <td class="paramname"><em>x</em>, </td>
951 </tr>
952 <tr>
953 <td class="paramkey"></td>
954 <td></td>
955 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
956 <td class="paramname"><em>y</em>, </td>
957 </tr>
958 <tr>
959 <td class="paramkey"></td>
960 <td></td>
961 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
962 <td class="paramname"><em>z</em>&#160;</td>
963 </tr>
964 <tr>
965 <td></td>
966 <td>)</td>
967 <td></td><td><code> [inline]</code></td>
968 </tr>
969 </table>
970</div>
971<div class="memdoc">
972
973<p>Sets new quaternion based on euler angles (radians) </p>
974
975<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00457">457</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
976
977<p>References <a class="el" href="quaternion_8h_source.html#l00510">normalize()</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, and <a class="el" href="quaternion_8h_source.html#l00181">Z</a>.</p>
978
979</div>
980</div>
981<a class="anchor" id="a76b7f0569737c2143ca6dae47abd8fdd"></a><!-- doxytag: member="irr::core::quaternion::set" ref="a76b7f0569737c2143ca6dae47abd8fdd" args="(const core::vector3df &amp;vec)" -->
982<div class="memitem">
983<div class="memproto">
984 <table class="memname">
985 <tr>
986 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::set </td>
987 <td>(</td>
988 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;&#160;</td>
989 <td class="paramname"><em>vec</em></td><td>)</td>
990 <td><code> [inline]</code></td>
991 </tr>
992 </table>
993</div>
994<div class="memdoc">
995
996<p>Sets new quaternion based on euler angles (radians) </p>
997
998<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00487">487</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
999
1000<p>References <a class="el" href="vector3d_8h_source.html#l00408">irr::core::vector3d&lt; T &gt;::X</a>, <a class="el" href="vector3d_8h_source.html#l00411">irr::core::vector3d&lt; T &gt;::Y</a>, and <a class="el" href="vector3d_8h_source.html#l00414">irr::core::vector3d&lt; T &gt;::Z</a>.</p>
1001
1002</div>
1003</div>
1004<a class="anchor" id="aa99cf40ab088323e5fc31ccdbe9fa2ad"></a><!-- doxytag: member="irr::core::quaternion::set" ref="aa99cf40ab088323e5fc31ccdbe9fa2ad" args="(const core::quaternion &amp;quat)" -->
1005<div class="memitem">
1006<div class="memproto">
1007 <table class="memname">
1008 <tr>
1009 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::set </td>
1010 <td>(</td>
1011 <td class="paramtype">const <a class="el" href="classirr_1_1core_1_1quaternion.html">core::quaternion</a> &amp;&#160;</td>
1012 <td class="paramname"><em>quat</em></td><td>)</td>
1013 <td><code> [inline]</code></td>
1014 </tr>
1015 </table>
1016</div>
1017<div class="memdoc">
1018
1019<p>Sets new quaternion from other quaternion. </p>
1020
1021<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00493">493</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
1022
1023</div>
1024</div>
1025<a class="anchor" id="a91335e9fdb50c3cfc2042aa9a4bfdf68"></a><!-- doxytag: member="irr::core::quaternion::slerp" ref="a91335e9fdb50c3cfc2042aa9a4bfdf68" args="(quaternion q1, quaternion q2, f32 time, f32 threshold=.05f)" -->
1026<div class="memitem">
1027<div class="memproto">
1028 <table class="memname">
1029 <tr>
1030 <td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &amp; irr::core::quaternion::slerp </td>
1031 <td>(</td>
1032 <td class="paramtype"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a>&#160;</td>
1033 <td class="paramname"><em>q1</em>, </td>
1034 </tr>
1035 <tr>
1036 <td class="paramkey"></td>
1037 <td></td>
1038 <td class="paramtype"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a>&#160;</td>
1039 <td class="paramname"><em>q2</em>, </td>
1040 </tr>
1041 <tr>
1042 <td class="paramkey"></td>
1043 <td></td>
1044 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
1045 <td class="paramname"><em>time</em>, </td>
1046 </tr>
1047 <tr>
1048 <td class="paramkey"></td>
1049 <td></td>
1050 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
1051 <td class="paramname"><em>threshold</em> = <code>.05f</code>&#160;</td>
1052 </tr>
1053 <tr>
1054 <td></td>
1055 <td>)</td>
1056 <td></td><td><code> [inline]</code></td>
1057 </tr>
1058 </table>
1059</div>
1060<div class="memdoc">
1061
1062<p>Set this quaternion to the result of the spherical interpolation between two quaternions. </p>
1063<dl><dt><b>Parameters:</b></dt><dd>
1064 <table class="params">
1065 <tr><td class="paramname">q1</td><td>First quaternion to be interpolated. </td></tr>
1066 <tr><td class="paramname">q2</td><td>Second quaternion to be interpolated. </td></tr>
1067 <tr><td class="paramname">time</td><td>Progress of interpolation. For time=0 the result is q1, for time=1 the result is q2. Otherwise interpolation between q1 and q2. </td></tr>
1068 <tr><td class="paramname">threshold</td><td>To avoid inaccuracies at the end (time=1) the interpolation switches to linear interpolation at some point. This value defines how much of the remaining interpolation will be calculated with lerp. Everything from 1-threshold up will be linear interpolation. </td></tr>
1069 </table>
1070 </dd>
1071</dl>
1072
1073<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00531">531</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
1074
1075<p>References <a class="el" href="quaternion_8h_source.html#l00556">dotProduct()</a>, <a class="el" href="quaternion_8h_source.html#l00523">lerp()</a>, and <a class="el" href="irr_math_8h_source.html#l00535">irr::core::reciprocal()</a>.</p>
1076
1077</div>
1078</div>
1079<a class="anchor" id="aa36e7548f62749238086832d9b693cad"></a><!-- doxytag: member="irr::core::quaternion::toAngleAxis" ref="aa36e7548f62749238086832d9b693cad" args="(f32 &amp;angle, core::vector3df &amp;axis) const " -->
1080<div class="memitem">
1081<div class="memproto">
1082 <table class="memname">
1083 <tr>
1084 <td class="memname">void irr::core::quaternion::toAngleAxis </td>
1085 <td>(</td>
1086 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> &amp;&#160;</td>
1087 <td class="paramname"><em>angle</em>, </td>
1088 </tr>
1089 <tr>
1090 <td class="paramkey"></td>
1091 <td></td>
1092 <td class="paramtype"><a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;&#160;</td>
1093 <td class="paramname"><em>axis</em>&#160;</td>
1094 </tr>
1095 <tr>
1096 <td></td>
1097 <td>)</td>
1098 <td></td><td> const<code> [inline]</code></td>
1099 </tr>
1100 </table>
1101</div>
1102<div class="memdoc">
1103
1104<p>Fills an angle (radians) around an axis (unit vector) </p>
1105
1106<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00575">575</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
1107
1108<p>References <a class="el" href="irr_math_8h_source.html#l00270">irr::core::iszero()</a>, <a class="el" href="irr_math_8h_source.html#l00535">irr::core::reciprocal()</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="vector3d_8h_source.html#l00408">irr::core::vector3d&lt; T &gt;::X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, <a class="el" href="vector3d_8h_source.html#l00411">irr::core::vector3d&lt; T &gt;::Y</a>, <a class="el" href="quaternion_8h_source.html#l00181">Z</a>, and <a class="el" href="vector3d_8h_source.html#l00414">irr::core::vector3d&lt; T &gt;::Z</a>.</p>
1109
1110</div>
1111</div>
1112<a class="anchor" id="a651d5a90572f14b9a2a5c17caea0e764"></a><!-- doxytag: member="irr::core::quaternion::toEuler" ref="a651d5a90572f14b9a2a5c17caea0e764" args="(vector3df &amp;euler) const " -->
1113<div class="memitem">
1114<div class="memproto">
1115 <table class="memname">
1116 <tr>
1117 <td class="memname">void irr::core::quaternion::toEuler </td>
1118 <td>(</td>
1119 <td class="paramtype"><a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">vector3df</a> &amp;&#160;</td>
1120 <td class="paramname"><em>euler</em></td><td>)</td>
1121 <td> const<code> [inline]</code></td>
1122 </tr>
1123 </table>
1124</div>
1125<div class="memdoc">
1126
1127<p>Output this quaternion to an euler angle (radians) </p>
1128
1129<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00596">596</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
1130
1131<p>References <a class="el" href="irr_math_8h_source.html#l00166">irr::core::clamp()</a>, <a class="el" href="irr_math_8h_source.html#l00185">irr::core::equals()</a>, <a class="el" href="irr_math_8h_source.html#l00068">irr::core::PI64</a>, <a class="el" href="quaternion_8h_source.html#l00182">W</a>, <a class="el" href="quaternion_8h_source.html#l00179">X</a>, <a class="el" href="vector3d_8h_source.html#l00408">irr::core::vector3d&lt; T &gt;::X</a>, <a class="el" href="quaternion_8h_source.html#l00180">Y</a>, <a class="el" href="vector3d_8h_source.html#l00411">irr::core::vector3d&lt; T &gt;::Y</a>, <a class="el" href="quaternion_8h_source.html#l00181">Z</a>, and <a class="el" href="vector3d_8h_source.html#l00414">irr::core::vector3d&lt; T &gt;::Z</a>.</p>
1132
1133</div>
1134</div>
1135<hr/><h2>Member Data Documentation</h2>
1136<a class="anchor" id="abd35ca07eda3783a00b27ff9a49e43b8"></a><!-- doxytag: member="irr::core::quaternion::W" ref="abd35ca07eda3783a00b27ff9a49e43b8" args="" -->
1137<div class="memitem">
1138<div class="memproto">
1139 <table class="memname">
1140 <tr>
1141 <td class="memname"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#abd35ca07eda3783a00b27ff9a49e43b8">irr::core::quaternion::W</a></td>
1142 </tr>
1143 </table>
1144</div>
1145<div class="memdoc">
1146
1147<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00182">182</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
1148
1149<p>Referenced by <a class="el" href="quaternion_8h_source.html#l00556">dotProduct()</a>, <a class="el" href="quaternion_8h_source.html#l00500">equals()</a>, <a class="el" href="quaternion_8h_source.html#l00563">fromAngleAxis()</a>, <a class="el" href="quaternion_8h_source.html#l00349">getMatrix()</a>, <a class="el" href="quaternion_8h_source.html#l00411">getMatrix_transposed()</a>, <a class="el" href="quaternion_8h_source.html#l00388">getMatrixCenter()</a>, <a class="el" href="quaternion_8h_source.html#l00649">makeIdentity()</a>, <a class="el" href="quaternion_8h_source.html#l00510">normalize()</a>, <a class="el" href="quaternion_8h_source.html#l00294">operator*()</a>, <a class="el" href="quaternion_8h_source.html#l00315">operator*=()</a>, <a class="el" href="quaternion_8h_source.html#l00331">operator+()</a>, <a class="el" href="quaternion_8h_source.html#l00223">operator=()</a>, <a class="el" href="quaternion_8h_source.html#l00208">operator==()</a>, <a class="el" href="quaternion_8h_source.html#l00446">set()</a>, <a class="el" href="quaternion_8h_source.html#l00575">toAngleAxis()</a>, and <a class="el" href="quaternion_8h_source.html#l00596">toEuler()</a>.</p>
1150
1151</div>
1152</div>
1153<a class="anchor" id="a69f2ee15363f0b9baa0b3cbb70091342"></a><!-- doxytag: member="irr::core::quaternion::X" ref="a69f2ee15363f0b9baa0b3cbb70091342" args="" -->
1154<div class="memitem">
1155<div class="memproto">
1156 <table class="memname">
1157 <tr>
1158 <td class="memname"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a69f2ee15363f0b9baa0b3cbb70091342">irr::core::quaternion::X</a></td>
1159 </tr>
1160 </table>
1161</div>
1162<div class="memdoc">
1163
1164<p>Quaternion elements. </p>
1165
1166<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00179">179</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
1167
1168<p>Referenced by <a class="el" href="quaternion_8h_source.html#l00556">dotProduct()</a>, <a class="el" href="quaternion_8h_source.html#l00500">equals()</a>, <a class="el" href="quaternion_8h_source.html#l00563">fromAngleAxis()</a>, <a class="el" href="quaternion_8h_source.html#l00349">getMatrix()</a>, <a class="el" href="quaternion_8h_source.html#l00411">getMatrix_transposed()</a>, <a class="el" href="quaternion_8h_source.html#l00388">getMatrixCenter()</a>, <a class="el" href="quaternion_8h_source.html#l00649">makeIdentity()</a>, <a class="el" href="quaternion_8h_source.html#l00438">makeInverse()</a>, <a class="el" href="quaternion_8h_source.html#l00510">normalize()</a>, <a class="el" href="quaternion_8h_source.html#l00294">operator*()</a>, <a class="el" href="quaternion_8h_source.html#l00315">operator*=()</a>, <a class="el" href="quaternion_8h_source.html#l00331">operator+()</a>, <a class="el" href="quaternion_8h_source.html#l00223">operator=()</a>, <a class="el" href="quaternion_8h_source.html#l00208">operator==()</a>, <a class="el" href="quaternion_8h_source.html#l00446">set()</a>, <a class="el" href="quaternion_8h_source.html#l00575">toAngleAxis()</a>, and <a class="el" href="quaternion_8h_source.html#l00596">toEuler()</a>.</p>
1169
1170</div>
1171</div>
1172<a class="anchor" id="a7c571eaca7b5c9e5f5b8d7872d51dac9"></a><!-- doxytag: member="irr::core::quaternion::Y" ref="a7c571eaca7b5c9e5f5b8d7872d51dac9" args="" -->
1173<div class="memitem">
1174<div class="memproto">
1175 <table class="memname">
1176 <tr>
1177 <td class="memname"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a7c571eaca7b5c9e5f5b8d7872d51dac9">irr::core::quaternion::Y</a></td>
1178 </tr>
1179 </table>
1180</div>
1181<div class="memdoc">
1182
1183<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00180">180</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
1184
1185<p>Referenced by <a class="el" href="quaternion_8h_source.html#l00556">dotProduct()</a>, <a class="el" href="quaternion_8h_source.html#l00500">equals()</a>, <a class="el" href="quaternion_8h_source.html#l00563">fromAngleAxis()</a>, <a class="el" href="quaternion_8h_source.html#l00349">getMatrix()</a>, <a class="el" href="quaternion_8h_source.html#l00411">getMatrix_transposed()</a>, <a class="el" href="quaternion_8h_source.html#l00388">getMatrixCenter()</a>, <a class="el" href="quaternion_8h_source.html#l00649">makeIdentity()</a>, <a class="el" href="quaternion_8h_source.html#l00438">makeInverse()</a>, <a class="el" href="quaternion_8h_source.html#l00510">normalize()</a>, <a class="el" href="quaternion_8h_source.html#l00294">operator*()</a>, <a class="el" href="quaternion_8h_source.html#l00315">operator*=()</a>, <a class="el" href="quaternion_8h_source.html#l00331">operator+()</a>, <a class="el" href="quaternion_8h_source.html#l00223">operator=()</a>, <a class="el" href="quaternion_8h_source.html#l00208">operator==()</a>, <a class="el" href="quaternion_8h_source.html#l00446">set()</a>, <a class="el" href="quaternion_8h_source.html#l00575">toAngleAxis()</a>, and <a class="el" href="quaternion_8h_source.html#l00596">toEuler()</a>.</p>
1186
1187</div>
1188</div>
1189<a class="anchor" id="a9080571243e191219aca47758b8638a1"></a><!-- doxytag: member="irr::core::quaternion::Z" ref="a9080571243e191219aca47758b8638a1" args="" -->
1190<div class="memitem">
1191<div class="memproto">
1192 <table class="memname">
1193 <tr>
1194 <td class="memname"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#a9080571243e191219aca47758b8638a1">irr::core::quaternion::Z</a></td>
1195 </tr>
1196 </table>
1197</div>
1198<div class="memdoc">
1199
1200<p>Definition at line <a class="el" href="quaternion_8h_source.html#l00181">181</a> of file <a class="el" href="quaternion_8h_source.html">quaternion.h</a>.</p>
1201
1202<p>Referenced by <a class="el" href="quaternion_8h_source.html#l00556">dotProduct()</a>, <a class="el" href="quaternion_8h_source.html#l00500">equals()</a>, <a class="el" href="quaternion_8h_source.html#l00563">fromAngleAxis()</a>, <a class="el" href="quaternion_8h_source.html#l00349">getMatrix()</a>, <a class="el" href="quaternion_8h_source.html#l00411">getMatrix_transposed()</a>, <a class="el" href="quaternion_8h_source.html#l00388">getMatrixCenter()</a>, <a class="el" href="quaternion_8h_source.html#l00649">makeIdentity()</a>, <a class="el" href="quaternion_8h_source.html#l00438">makeInverse()</a>, <a class="el" href="quaternion_8h_source.html#l00510">normalize()</a>, <a class="el" href="quaternion_8h_source.html#l00294">operator*()</a>, <a class="el" href="quaternion_8h_source.html#l00315">operator*=()</a>, <a class="el" href="quaternion_8h_source.html#l00331">operator+()</a>, <a class="el" href="quaternion_8h_source.html#l00223">operator=()</a>, <a class="el" href="quaternion_8h_source.html#l00208">operator==()</a>, <a class="el" href="quaternion_8h_source.html#l00446">set()</a>, <a class="el" href="quaternion_8h_source.html#l00575">toAngleAxis()</a>, and <a class="el" href="quaternion_8h_source.html#l00596">toEuler()</a>.</p>
1203
1204</div>
1205</div>
1206<hr/>The documentation for this class was generated from the following file:<ul>
1207<li><a class="el" href="quaternion_8h_source.html">quaternion.h</a></li>
1208</ul>
1209</div>
1210</div>
1211 <div id="nav-path" class="navpath">
1212 <ul>
1213 <li class="navelem"><a class="el" href="namespaceirr.html">irr</a> </li>
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1215 <li class="navelem"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> </li>
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