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<h1>irr::core::quaternion Class Reference</h1><!-- doxytag: class="irr::core::quaternion" -->Quaternion class for representing rotations.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="quaternion_8h-source.html">quaternion.h</a>></code>
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<a href="classirr_1_1core_1_1quaternion-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#1ae4b20abb602514510b4134accc9978">dotProduct</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &other) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Calculates the dot product. <a href="#1ae4b20abb602514510b4134accc9978"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#b4f5eb86ef7a42a3021b810486faa8c8">fromAngleAxis</a> (<a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> angle, const <a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> &axis)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> from rotation angle and rotation axis. <a href="#b4f5eb86ef7a42a3021b810486faa8c8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#c2c1fee9f922eb0bd53ecd7076f2e732">getMatrix</a> (<a class="el" href="classirr_1_1core_1_1_c_matrix4.html">matrix4</a> &dest, const <a class="el" href="classirr_1_1core_1_1vector3d.html">core::vector3df</a> &translation) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a matrix from this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>. <a href="#c2c1fee9f922eb0bd53ecd7076f2e732"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1_c_matrix4.html">matrix4</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#4913dba1c8448eb1dae91f7476a90125">getMatrix</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a matrix from this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>. <a href="#4913dba1c8448eb1dae91f7476a90125"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#d54809de078e19b7f95c7c0e466cbfa8">getMatrix_transposed</a> (<a class="el" href="classirr_1_1core_1_1_c_matrix4.html">matrix4</a> &dest) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a matrix from this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>. <a href="#d54809de078e19b7f95c7c0e466cbfa8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#3d5efafd9f646ab5e86812797dc0b975">getMatrixCenter</a> (<a class="el" href="classirr_1_1core_1_1_c_matrix4.html">matrix4</a> &dest, const <a class="el" href="classirr_1_1core_1_1vector3d.html">core::vector3df</a> &center, const <a class="el" href="classirr_1_1core_1_1vector3d.html">core::vector3df</a> &translation) const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#3b4f6634670591f2c5be33aeaac2e928">makeIdentity</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> to identity. <a href="#3b4f6634670591f2c5be33aeaac2e928"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#2e286be8b088fa3ade0ab74880ea4508">makeInverse</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Inverts this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>. <a href="#2e286be8b088fa3ade0ab74880ea4508"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#ac7a34ffd2a14a78de12d994539b94f9">normalize</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Normalizes the <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>. <a href="#ac7a34ffd2a14a78de12d994539b94f9"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#08d7b70acc572e7345f9bb7aadef3505">operator*</a> (const <a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> &v) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Multiplication operator. <a href="#08d7b70acc572e7345f9bb7aadef3505"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#e320e6a2c6fc1b6ab579645f1056a310">operator*</a> (<a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> s) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Multiplication operator with scalar. <a href="#e320e6a2c6fc1b6ab579645f1056a310"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#740a2885a20005a62e8f24dffa1d48c7">operator*</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &other) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Multiplication operator. <a href="#740a2885a20005a62e8f24dffa1d48c7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#d6b251ec3861ae7be90ac0ddc0cd44f4">operator*=</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &other)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Multiplication operator. <a href="#d6b251ec3861ae7be90ac0ddc0cd44f4"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#933b6bf1ace6875068c5c01741bb4096">operator*=</a> (<a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> s)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Multiplication operator with scalar. <a href="#933b6bf1ace6875068c5c01741bb4096"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#8fa3541f577ba6daa583f936f7cdb978">operator+</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &other) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add operator. <a href="#8fa3541f577ba6daa583f936f7cdb978"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#ed887a4f908b44aa13ef5f77291134f0">operator=</a> (const <a class="el" href="classirr_1_1core_1_1_c_matrix4.html">matrix4</a> &other)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Matrix assignment operator. <a href="#ed887a4f908b44aa13ef5f77291134f0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#14e694153904d3026eac8c9f14a5df1c">operator=</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &other)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator. <a href="#14e694153904d3026eac8c9f14a5df1c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#37ed741a0a63c8f829817c76dae0c4cc">operator==</a> (const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> &other) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Equalilty operator. <a href="#37ed741a0a63c8f829817c76dae0c4cc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#60b4e1a97224c18da64e49861b8d0107">quaternion</a> (const <a class="el" href="classirr_1_1core_1_1_c_matrix4.html">matrix4</a> &mat)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor which converts a matrix to a <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>. <a href="#60b4e1a97224c18da64e49861b8d0107"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#f8d613780a8d0e3f2775f6f9086db3b0">quaternion</a> (const <a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> &vec)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor which converts euler angles (radians) to a <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>. <a href="#f8d613780a8d0e3f2775f6f9086db3b0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#299947a6d5c4f3ac2aa64fcffcc11be0">quaternion</a> (<a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> x, <a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> y, <a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> z)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor which converts euler angles (radians) to a <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>. <a href="#299947a6d5c4f3ac2aa64fcffcc11be0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#7bff9d1ca51483f96094fa5ac9d97342">quaternion</a> (<a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> x, <a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> y, <a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> z, <a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> w)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#7bff9d1ca51483f96094fa5ac9d97342"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#f19629224bc2ed3a3ecbc335309099c8">quaternion</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Default Constructor. <a href="#f19629224bc2ed3a3ecbc335309099c8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#9da1b3ddfb9722f596a73abf5212c020">rotationFromTo</a> (const <a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> &from, const <a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> &to)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> to represent a rotation from one vector to another. <a href="#9da1b3ddfb9722f596a73abf5212c020"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#76b7f0569737c2143ca6dae47abd8fdd">set</a> (const <a class="el" href="classirr_1_1core_1_1vector3d.html">core::vector3df</a> &vec)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets new <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> based on euler angles (radians). <a href="#76b7f0569737c2143ca6dae47abd8fdd"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#db1393a5e3833622bfd6009f53ab842e">set</a> (<a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> x, <a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> y, <a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> z)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets new <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> based on euler angles (radians). <a href="#db1393a5e3833622bfd6009f53ab842e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#51b8ba2c12a6e6ce9af0d60430f199e3">set</a> (<a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> x, <a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> y, <a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> z, <a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> w)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets new <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>. <a href="#51b8ba2c12a6e6ce9af0d60430f199e3"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#0e508f687cac2992882c17821c595089">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#0277be98d67dc26ff93b1a6a1d086b07">f32</a> interpolate)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> to the result of the interpolation between two quaternions. <a href="#0e508f687cac2992882c17821c595089"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#a36e7548f62749238086832d9b693cad">toAngleAxis</a> (<a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> &angle, <a class="el" href="classirr_1_1core_1_1vector3d.html">core::vector3df</a> &axis) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fills an angle (radians) around an axis (unit vector). <a href="#a36e7548f62749238086832d9b693cad"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#651d5a90572f14b9a2a5c17caea0e764">toEuler</a> (<a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> &euler) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Output this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> to an euler angle (radians). <a href="#651d5a90572f14b9a2a5c17caea0e764"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#bd35ca07eda3783a00b27ff9a49e43b8">W</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#69f2ee15363f0b9baa0b3cbb70091342">X</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Quaternion elements. <a href="#69f2ee15363f0b9baa0b3cbb70091342"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#7c571eaca7b5c9e5f5b8d7872d51dac9">Y</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classirr_1_1core_1_1quaternion.html#9080571243e191219aca47758b8638a1">Z</a></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
Quaternion class for representing rotations.
<p>
It provides cheap combinations and avoids gimbal locks. Also useful for interpolations.
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00021">21</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="f19629224bc2ed3a3ecbc335309099c8"></a><!-- doxytag: member="irr::core::quaternion::quaternion" ref="f19629224bc2ed3a3ecbc335309099c8" args="()" -->
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<td class="memname">irr::core::quaternion::quaternion </td>
<td>(</td>
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<td><code> [inline]</code></td>
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<p>
Default Constructor.
<p>
<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>
<p>Referenced by <a class="el" href="quaternion_8h-source.html#l00260">operator*()</a>, and <a class="el" href="quaternion_8h-source.html#l00282">operator+()</a>.</p>
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<a class="anchor" name="7bff9d1ca51483f96094fa5ac9d97342"></a><!-- doxytag: member="irr::core::quaternion::quaternion" ref="7bff9d1ca51483f96094fa5ac9d97342" args="(f32 x, f32 y, f32 z, f32 w)" -->
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<td class="memname">irr::core::quaternion::quaternion </td>
<td>(</td>
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<td class="paramname"> <em>x</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>y</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>z</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>w</em></td><td> </td>
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<td></td>
<td>)</td>
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<p>
Constructor.
<p>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00029">29</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
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<a class="anchor" name="299947a6d5c4f3ac2aa64fcffcc11be0"></a><!-- doxytag: member="irr::core::quaternion::quaternion" ref="299947a6d5c4f3ac2aa64fcffcc11be0" args="(f32 x, f32 y, f32 z)" -->
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<td class="memname">irr::core::quaternion::quaternion </td>
<td>(</td>
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<td class="paramname"> <em>x</em>, </td>
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<td></td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>y</em>, </td>
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<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>z</em></td><td> </td>
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<td>)</td>
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<p>
Constructor which converts euler angles (radians) to a <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>.
<p>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00145">145</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
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<a class="anchor" name="f8d613780a8d0e3f2775f6f9086db3b0"></a><!-- doxytag: member="irr::core::quaternion::quaternion" ref="f8d613780a8d0e3f2775f6f9086db3b0" args="(const vector3df &vec)" -->
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<td class="memname">irr::core::quaternion::quaternion </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> & </td>
<td class="paramname"> <em>vec</em> </td>
<td> ) </td>
<td><code> [inline]</code></td>
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<p>
Constructor which converts euler angles (radians) to a <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>.
<p>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00152">152</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="vector3d_8h-source.html#l00346">irr::core::vector3d< T >::X</a>, <a class="el" href="vector3d_8h-source.html#l00349">irr::core::vector3d< T >::Y</a>, and <a class="el" href="vector3d_8h-source.html#l00352">irr::core::vector3d< T >::Z</a>.</p>
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<a class="anchor" name="60b4e1a97224c18da64e49861b8d0107"></a><!-- doxytag: member="irr::core::quaternion::quaternion" ref="60b4e1a97224c18da64e49861b8d0107" args="(const matrix4 &mat)" -->
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<td class="memname">irr::core::quaternion::quaternion </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classirr_1_1core_1_1_c_matrix4.html">matrix4</a> & </td>
<td class="paramname"> <em>mat</em> </td>
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<p>
Constructor which converts a matrix to a <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00159">159</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="1ae4b20abb602514510b4134accc9978"></a><!-- doxytag: member="irr::core::quaternion::dotProduct" ref="1ae4b20abb602514510b4134accc9978" args="(const quaternion &other) const " -->
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<td class="memname"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> irr::core::quaternion::dotProduct </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & </td>
<td class="paramname"> <em>other</em> </td>
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<p>
Calculates the dot product.
<p>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00502">502</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
<p>Referenced by <a class="el" href="quaternion_8h-source.html#l00462">slerp()</a>.</p>
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<a class="anchor" name="b4f5eb86ef7a42a3021b810486faa8c8"></a><!-- doxytag: member="irr::core::quaternion::fromAngleAxis" ref="b4f5eb86ef7a42a3021b810486faa8c8" args="(f32 angle, const vector3df &axis)" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::fromAngleAxis </td>
<td>(</td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>angle</em>, </td>
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<td class="paramtype">const <a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> & </td>
<td class="paramname"> <em>axis</em></td><td> </td>
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<p>
Create <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> from rotation angle and rotation axis.
<p>
Axis must be unit length. The <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> representing the rotation is q = cos(A/2)+sin(A/2)*(x*i+y*j+z*k). <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>angle</em> </td><td>Rotation Angle in radians. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>axis</em> </td><td>Rotation axis.</td></tr>
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axis must be unit length angle in radians
<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>
<p>References <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="vector3d_8h-source.html#l00346">irr::core::vector3d< T >::X</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="vector3d_8h-source.html#l00349">irr::core::vector3d< T >::Y</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, <a class="el" href="vector3d_8h-source.html#l00352">irr::core::vector3d< T >::Z</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="c2c1fee9f922eb0bd53ecd7076f2e732"></a><!-- doxytag: member="irr::core::quaternion::getMatrix" ref="c2c1fee9f922eb0bd53ecd7076f2e732" args="(matrix4 &dest, const core::vector3df &translation) const " -->
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<td class="memname">void irr::core::quaternion::getMatrix </td>
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<td class="paramtype">const <a class="el" href="classirr_1_1core_1_1vector3d.html">core::vector3df</a> & </td>
<td class="paramname"> <em>center</em></td><td> </td>
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Creates a matrix from this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>.
<p>
Creates a matrix from this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00300">300</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="matrix4_8h-source.html#l00100">irr::core::CMatrix4< T >::pointer()</a>, <a class="el" href="matrix4_8h-source.html#l02073">irr::core::CMatrix4< T >::setDefinitelyIdentityMatrix()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="vector3d_8h-source.html#l00346">irr::core::vector3d< T >::X</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="vector3d_8h-source.html#l00349">irr::core::vector3d< T >::Y</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, <a class="el" href="vector3d_8h-source.html#l00352">irr::core::vector3d< T >::Z</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="4913dba1c8448eb1dae91f7476a90125"></a><!-- doxytag: member="irr::core::quaternion::getMatrix" ref="4913dba1c8448eb1dae91f7476a90125" args="() const " -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1_c_matrix4.html">matrix4</a> irr::core::quaternion::getMatrix </td>
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<p>
Creates a matrix from this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00289">289</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00367">getMatrix_transposed()</a>.</p>
<p>Referenced by <a class="el" href="_i_animated_mesh_m_d3_8h-source.html#l00190">irr::scene::SMD3QuaternionTag::setto()</a>.</p>
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<a class="anchor" name="d54809de078e19b7f95c7c0e466cbfa8"></a><!-- doxytag: member="irr::core::quaternion::getMatrix_transposed" ref="d54809de078e19b7f95c7c0e466cbfa8" args="(matrix4 &dest) const " -->
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<td class="memname">void irr::core::quaternion::getMatrix_transposed </td>
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<td class="paramname"> <em>dest</em> </td>
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Creates a matrix from this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00367">367</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="matrix4_8h-source.html#l02073">irr::core::CMatrix4< T >::setDefinitelyIdentityMatrix()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
<p>Referenced by <a class="el" href="quaternion_8h-source.html#l00289">getMatrix()</a>.</p>
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<a class="anchor" name="3d5efafd9f646ab5e86812797dc0b975"></a><!-- doxytag: member="irr::core::quaternion::getMatrixCenter" ref="3d5efafd9f646ab5e86812797dc0b975" args="(matrix4 &dest, const core::vector3df &center, const core::vector3df &translation) const " -->
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<td class="paramname"> <em>center</em>, </td>
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<td class="paramtype">const <a class="el" href="classirr_1_1core_1_1vector3d.html">core::vector3df</a> & </td>
<td class="paramname"> <em>translation</em></td><td> </td>
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<td>)</td>
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Creates a matrix from this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> 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>
<a class="el" href="namespaceirr_1_1core.html#73fa92e638c5ca97efd72da307cc9b65" title="Typedef for f32 matrix.">core::matrix4</a> m2; m2.setInverseTranslation ( center ); lookat *= m2;<p>
<a class="el" href="namespaceirr_1_1core.html#73fa92e638c5ca97efd72da307cc9b65" title="Typedef for f32 matrix.">core::matrix4</a> m3; m2.setTranslation ( newPos ); lookat *= m3;<p>
Creates a matrix from this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> 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>
<a class="el" href="namespaceirr_1_1core.html#73fa92e638c5ca97efd72da307cc9b65" title="Typedef for f32 matrix.">core::matrix4</a> m2; m2.setInverseTranslation ( center ); lookat *= m2;
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00342">342</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="matrix4_8h-source.html#l00100">irr::core::CMatrix4< T >::pointer()</a>, <a class="el" href="matrix4_8h-source.html#l01926">irr::core::CMatrix4< T >::setRotationCenter()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="3b4f6634670591f2c5be33aeaac2e928"></a><!-- doxytag: member="irr::core::quaternion::makeIdentity" ref="3b4f6634670591f2c5be33aeaac2e928" args="()" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">core::quaternion</a> & irr::core::quaternion::makeIdentity </td>
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Set <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> to identity.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00576">576</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
<p>Referenced by <a class="el" href="quaternion_8h-source.html#l00585">rotationFromTo()</a>.</p>
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<a class="anchor" name="2e286be8b088fa3ade0ab74880ea4508"></a><!-- doxytag: member="irr::core::quaternion::makeInverse" ref="2e286be8b088fa3ade0ab74880ea4508" args="()" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::makeInverse </td>
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Inverts this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00395">395</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="ac7a34ffd2a14a78de12d994539b94f9"></a><!-- doxytag: member="irr::core::quaternion::normalize" ref="ac7a34ffd2a14a78de12d994539b94f9" args="()" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::normalize </td>
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Normalizes the <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00449">449</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="irr_math_8h-source.html#l00413">irr::core::reciprocal_squareroot()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
<p>Referenced by <a class="el" href="quaternion_8h-source.html#l00187">operator=()</a>, and <a class="el" href="quaternion_8h-source.html#l00413">set()</a>.</p>
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<a class="anchor" name="08d7b70acc572e7345f9bb7aadef3505"></a><!-- doxytag: member="irr::core::quaternion::operator*" ref="08d7b70acc572e7345f9bb7aadef3505" args="(const vector3df &v) const " -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> irr::core::quaternion::operator* </td>
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Multiplication operator.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00561">561</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="vector3d_8h-source.html#l00120">irr::core::vector3d< T >::crossProduct()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="e320e6a2c6fc1b6ab579645f1056a310"></a><!-- doxytag: member="irr::core::quaternion::operator*" ref="e320e6a2c6fc1b6ab579645f1056a310" args="(f32 s) const " -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> irr::core::quaternion::operator* </td>
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Multiplication operator with scalar.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00260">260</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00026">quaternion()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="740a2885a20005a62e8f24dffa1d48c7"></a><!-- doxytag: member="irr::core::quaternion::operator*" ref="740a2885a20005a62e8f24dffa1d48c7" args="(const quaternion &other) const " -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> irr::core::quaternion::operator* </td>
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Multiplication operator.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00246">246</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="d6b251ec3861ae7be90ac0ddc0cd44f4"></a><!-- doxytag: member="irr::core::quaternion::operator*=" ref="d6b251ec3861ae7be90ac0ddc0cd44f4" args="(const quaternion &other)" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::operator*= </td>
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Multiplication operator.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00276">276</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
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<a class="anchor" name="933b6bf1ace6875068c5c01741bb4096"></a><!-- doxytag: member="irr::core::quaternion::operator*=" ref="933b6bf1ace6875068c5c01741bb4096" args="(f32 s)" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::operator*= </td>
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Multiplication operator with scalar.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00266">266</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="8fa3541f577ba6daa583f936f7cdb978"></a><!-- doxytag: member="irr::core::quaternion::operator+" ref="8fa3541f577ba6daa583f936f7cdb978" args="(const quaternion &other) const " -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> irr::core::quaternion::operator+ </td>
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Add operator.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00282">282</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00026">quaternion()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="ed887a4f908b44aa13ef5f77291134f0"></a><!-- doxytag: member="irr::core::quaternion::operator=" ref="ed887a4f908b44aa13ef5f77291134f0" args="(const matrix4 &other)" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::operator= </td>
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Matrix assignment operator.
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<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>
<p>References <a class="el" href="quaternion_8h-source.html#l00449">normalize()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="14e694153904d3026eac8c9f14a5df1c"></a><!-- doxytag: member="irr::core::quaternion::operator=" ref="14e694153904d3026eac8c9f14a5df1c" args="(const quaternion &other)" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::operator= </td>
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Assignment operator.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00176">176</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="37ed741a0a63c8f829817c76dae0c4cc"></a><!-- doxytag: member="irr::core::quaternion::operator==" ref="37ed741a0a63c8f829817c76dae0c4cc" args="(const quaternion &other) const " -->
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<td class="memname">bool irr::core::quaternion::operator== </td>
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Equalilty operator.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00166">166</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="9da1b3ddfb9722f596a73abf5212c020"></a><!-- doxytag: member="irr::core::quaternion::rotationFromTo" ref="9da1b3ddfb9722f596a73abf5212c020" args="(const vector3df &from, const vector3df &to)" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">core::quaternion</a> & irr::core::quaternion::rotationFromTo </td>
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Set <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> to represent a rotation from one vector to another.
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00585">585</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="vector3d_8h-source.html#l00120">irr::core::vector3d< T >::crossProduct()</a>, <a class="el" href="vector3d_8h-source.html#l00098">irr::core::vector3d< T >::dotProduct()</a>, <a class="el" href="quaternion_8h-source.html#l00576">makeIdentity()</a>, <a class="el" href="vector3d_8h-source.html#l00141">irr::core::vector3d< T >::normalize()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="vector3d_8h-source.html#l00346">irr::core::vector3d< T >::X</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="vector3d_8h-source.html#l00349">irr::core::vector3d< T >::Y</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, <a class="el" href="vector3d_8h-source.html#l00352">irr::core::vector3d< T >::Z</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="76b7f0569737c2143ca6dae47abd8fdd"></a><!-- doxytag: member="irr::core::quaternion::set" ref="76b7f0569737c2143ca6dae47abd8fdd" args="(const core::vector3df &vec)" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::set </td>
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Sets new <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> based on euler angles (radians).
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00443">443</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="vector3d_8h-source.html#l00346">irr::core::vector3d< T >::X</a>, <a class="el" href="vector3d_8h-source.html#l00349">irr::core::vector3d< T >::Y</a>, and <a class="el" href="vector3d_8h-source.html#l00352">irr::core::vector3d< T >::Z</a>.</p>
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<a class="anchor" name="db1393a5e3833622bfd6009f53ab842e"></a><!-- doxytag: member="irr::core::quaternion::set" ref="db1393a5e3833622bfd6009f53ab842e" args="(f32 x, f32 y, f32 z)" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::set </td>
<td>(</td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>x</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>y</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>z</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [inline]</code></td>
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<p>
Sets new <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> based on euler angles (radians).
<p>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00413">413</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00449">normalize()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="51b8ba2c12a6e6ce9af0d60430f199e3"></a><!-- doxytag: member="irr::core::quaternion::set" ref="51b8ba2c12a6e6ce9af0d60430f199e3" args="(f32 x, f32 y, f32 z, f32 w)" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::set </td>
<td>(</td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>x</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>y</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>z</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>w</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [inline]</code></td>
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<p>
Sets new <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a>.
<p>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00402">402</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
<p>Referenced by <a class="el" href="quaternion_8h-source.html#l00462">slerp()</a>.</p>
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<a class="anchor" name="0e508f687cac2992882c17821c595089"></a><!-- doxytag: member="irr::core::quaternion::slerp" ref="0e508f687cac2992882c17821c595089" args="(quaternion q1, quaternion q2, f32 interpolate)" -->
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<td class="memname"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> & irr::core::quaternion::slerp </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> </td>
<td class="paramname"> <em>q1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classirr_1_1core_1_1quaternion.html">quaternion</a> </td>
<td class="paramname"> <em>q2</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> </td>
<td class="paramname"> <em>interpolate</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [inline]</code></td>
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<p>
Set this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> to the result of the interpolation between two quaternions.
<p>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00462">462</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="quaternion_8h-source.html#l00502">dotProduct()</a>, <a class="el" href="irr_math_8h-source.html#l00049">irr::core::PI</a>, <a class="el" href="irr_math_8h-source.html#l00451">irr::core::reciprocal()</a>, <a class="el" href="quaternion_8h-source.html#l00402">set()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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</div><p>
<a class="anchor" name="a36e7548f62749238086832d9b693cad"></a><!-- doxytag: member="irr::core::quaternion::toAngleAxis" ref="a36e7548f62749238086832d9b693cad" args="(f32 &angle, core::vector3df &axis) const " -->
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<td class="memname">void irr::core::quaternion::toAngleAxis </td>
<td>(</td>
<td class="paramtype"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> & </td>
<td class="paramname"> <em>angle</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classirr_1_1core_1_1vector3d.html">core::vector3df</a> & </td>
<td class="paramname"> <em>axis</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td> const<code> [inline]</code></td>
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Fills an angle (radians) around an axis (unit vector).
<p>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00522">522</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="irr_math_8h-source.html#l00202">irr::core::iszero()</a>, <a class="el" href="irr_math_8h-source.html#l00451">irr::core::reciprocal()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="vector3d_8h-source.html#l00346">irr::core::vector3d< T >::X</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="vector3d_8h-source.html#l00349">irr::core::vector3d< T >::Y</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, <a class="el" href="vector3d_8h-source.html#l00352">irr::core::vector3d< T >::Z</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<a class="anchor" name="651d5a90572f14b9a2a5c17caea0e764"></a><!-- doxytag: member="irr::core::quaternion::toEuler" ref="651d5a90572f14b9a2a5c17caea0e764" args="(vector3df &euler) const " -->
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<td class="memname">void irr::core::quaternion::toEuler </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classirr_1_1core_1_1vector3d.html">vector3df</a> & </td>
<td class="paramname"> <em>euler</em> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>
Output this <a class="el" href="classirr_1_1core_1_1quaternion.html" title="Quaternion class for representing rotations.">quaternion</a> to an euler angle (radians).
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00543">543</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>References <a class="el" href="irr_math_8h-source.html#l00159">irr::core::clamp()</a>, <a class="el" href="quaternion_8h-source.html#l00140">W</a>, <a class="el" href="vector3d_8h-source.html#l00346">irr::core::vector3d< T >::X</a>, <a class="el" href="quaternion_8h-source.html#l00137">X</a>, <a class="el" href="vector3d_8h-source.html#l00349">irr::core::vector3d< T >::Y</a>, <a class="el" href="quaternion_8h-source.html#l00138">Y</a>, <a class="el" href="vector3d_8h-source.html#l00352">irr::core::vector3d< T >::Z</a>, and <a class="el" href="quaternion_8h-source.html#l00139">Z</a>.</p>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="bd35ca07eda3783a00b27ff9a49e43b8"></a><!-- doxytag: member="irr::core::quaternion::W" ref="bd35ca07eda3783a00b27ff9a49e43b8" args="" -->
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<td class="memname"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#bd35ca07eda3783a00b27ff9a49e43b8">irr::core::quaternion::W</a> </td>
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<p>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00140">140</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>Referenced by <a class="el" href="quaternion_8h-source.html#l00502">dotProduct()</a>, <a class="el" href="quaternion_8h-source.html#l00510">fromAngleAxis()</a>, <a class="el" href="quaternion_8h-source.html#l00300">getMatrix()</a>, <a class="el" href="quaternion_8h-source.html#l00367">getMatrix_transposed()</a>, <a class="el" href="quaternion_8h-source.html#l00342">getMatrixCenter()</a>, <a class="el" href="quaternion_8h-source.html#l00576">makeIdentity()</a>, <a class="el" href="quaternion_8h-source.html#l00449">normalize()</a>, <a class="el" href="quaternion_8h-source.html#l00246">operator*()</a>, <a class="el" href="quaternion_8h-source.html#l00266">operator*=()</a>, <a class="el" href="quaternion_8h-source.html#l00282">operator+()</a>, <a class="el" href="quaternion_8h-source.html#l00176">operator=()</a>, <a class="el" href="quaternion_8h-source.html#l00166">operator==()</a>, <a class="el" href="quaternion_8h-source.html#l00585">rotationFromTo()</a>, <a class="el" href="quaternion_8h-source.html#l00402">set()</a>, <a class="el" href="quaternion_8h-source.html#l00462">slerp()</a>, <a class="el" href="quaternion_8h-source.html#l00522">toAngleAxis()</a>, and <a class="el" href="quaternion_8h-source.html#l00543">toEuler()</a>.</p>
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<a class="anchor" name="69f2ee15363f0b9baa0b3cbb70091342"></a><!-- doxytag: member="irr::core::quaternion::X" ref="69f2ee15363f0b9baa0b3cbb70091342" args="" -->
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<td class="memname"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#69f2ee15363f0b9baa0b3cbb70091342">irr::core::quaternion::X</a> </td>
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<p>
Quaternion elements.
<p>
<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00137">137</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>Referenced by <a class="el" href="quaternion_8h-source.html#l00502">dotProduct()</a>, <a class="el" href="quaternion_8h-source.html#l00510">fromAngleAxis()</a>, <a class="el" href="quaternion_8h-source.html#l00300">getMatrix()</a>, <a class="el" href="quaternion_8h-source.html#l00367">getMatrix_transposed()</a>, <a class="el" href="quaternion_8h-source.html#l00342">getMatrixCenter()</a>, <a class="el" href="quaternion_8h-source.html#l00576">makeIdentity()</a>, <a class="el" href="quaternion_8h-source.html#l00395">makeInverse()</a>, <a class="el" href="quaternion_8h-source.html#l00449">normalize()</a>, <a class="el" href="quaternion_8h-source.html#l00246">operator*()</a>, <a class="el" href="quaternion_8h-source.html#l00266">operator*=()</a>, <a class="el" href="quaternion_8h-source.html#l00282">operator+()</a>, <a class="el" href="quaternion_8h-source.html#l00176">operator=()</a>, <a class="el" href="quaternion_8h-source.html#l00166">operator==()</a>, <a class="el" href="quaternion_8h-source.html#l00585">rotationFromTo()</a>, <a class="el" href="quaternion_8h-source.html#l00402">set()</a>, <a class="el" href="quaternion_8h-source.html#l00462">slerp()</a>, <a class="el" href="quaternion_8h-source.html#l00522">toAngleAxis()</a>, and <a class="el" href="quaternion_8h-source.html#l00543">toEuler()</a>.</p>
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<a class="anchor" name="7c571eaca7b5c9e5f5b8d7872d51dac9"></a><!-- doxytag: member="irr::core::quaternion::Y" ref="7c571eaca7b5c9e5f5b8d7872d51dac9" args="" -->
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<td class="memname"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#7c571eaca7b5c9e5f5b8d7872d51dac9">irr::core::quaternion::Y</a> </td>
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00138">138</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>Referenced by <a class="el" href="quaternion_8h-source.html#l00502">dotProduct()</a>, <a class="el" href="quaternion_8h-source.html#l00510">fromAngleAxis()</a>, <a class="el" href="quaternion_8h-source.html#l00300">getMatrix()</a>, <a class="el" href="quaternion_8h-source.html#l00367">getMatrix_transposed()</a>, <a class="el" href="quaternion_8h-source.html#l00342">getMatrixCenter()</a>, <a class="el" href="quaternion_8h-source.html#l00576">makeIdentity()</a>, <a class="el" href="quaternion_8h-source.html#l00395">makeInverse()</a>, <a class="el" href="quaternion_8h-source.html#l00449">normalize()</a>, <a class="el" href="quaternion_8h-source.html#l00246">operator*()</a>, <a class="el" href="quaternion_8h-source.html#l00266">operator*=()</a>, <a class="el" href="quaternion_8h-source.html#l00282">operator+()</a>, <a class="el" href="quaternion_8h-source.html#l00176">operator=()</a>, <a class="el" href="quaternion_8h-source.html#l00166">operator==()</a>, <a class="el" href="quaternion_8h-source.html#l00585">rotationFromTo()</a>, <a class="el" href="quaternion_8h-source.html#l00402">set()</a>, <a class="el" href="quaternion_8h-source.html#l00462">slerp()</a>, <a class="el" href="quaternion_8h-source.html#l00522">toAngleAxis()</a>, and <a class="el" href="quaternion_8h-source.html#l00543">toEuler()</a>.</p>
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<a class="anchor" name="9080571243e191219aca47758b8638a1"></a><!-- doxytag: member="irr::core::quaternion::Z" ref="9080571243e191219aca47758b8638a1" args="" -->
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<td class="memname"><a class="el" href="namespaceirr.html#0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1core_1_1quaternion.html#9080571243e191219aca47758b8638a1">irr::core::quaternion::Z</a> </td>
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<p>Definition at line <a class="el" href="quaternion_8h-source.html#l00139">139</a> of file <a class="el" href="quaternion_8h-source.html">quaternion.h</a>.</p>
<p>Referenced by <a class="el" href="quaternion_8h-source.html#l00502">dotProduct()</a>, <a class="el" href="quaternion_8h-source.html#l00510">fromAngleAxis()</a>, <a class="el" href="quaternion_8h-source.html#l00300">getMatrix()</a>, <a class="el" href="quaternion_8h-source.html#l00367">getMatrix_transposed()</a>, <a class="el" href="quaternion_8h-source.html#l00342">getMatrixCenter()</a>, <a class="el" href="quaternion_8h-source.html#l00576">makeIdentity()</a>, <a class="el" href="quaternion_8h-source.html#l00395">makeInverse()</a>, <a class="el" href="quaternion_8h-source.html#l00449">normalize()</a>, <a class="el" href="quaternion_8h-source.html#l00246">operator*()</a>, <a class="el" href="quaternion_8h-source.html#l00266">operator*=()</a>, <a class="el" href="quaternion_8h-source.html#l00282">operator+()</a>, <a class="el" href="quaternion_8h-source.html#l00176">operator=()</a>, <a class="el" href="quaternion_8h-source.html#l00166">operator==()</a>, <a class="el" href="quaternion_8h-source.html#l00585">rotationFromTo()</a>, <a class="el" href="quaternion_8h-source.html#l00402">set()</a>, <a class="el" href="quaternion_8h-source.html#l00462">slerp()</a>, <a class="el" href="quaternion_8h-source.html#l00522">toAngleAxis()</a>, and <a class="el" href="quaternion_8h-source.html#l00543">toEuler()</a>.</p>
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</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="quaternion_8h-source.html">quaternion.h</a></ul>
</div>
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<td> <div align="left"><small><em><font size="2">The <a href="http://irrlicht.sourceforge.net" target="_blank">Irrlicht
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