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| author | Konstantin Ritt <ritt.ks@gmail.com> | 2015-02-19 14:26:57 +0400 |
|---|---|---|
| committer | Konstantin Ritt <ritt.ks@gmail.com> | 2015-02-26 11:02:47 +0000 |
| commit | e628c80dc38f00efd5a7821a8be61eadcf838b62 (patch) | |
| tree | 1585f680ead83818a99727ab2c307d1684aaa9b4 /src/gui/math3d/qquaternion.cpp | |
| parent | 1872857ca72658cd58c0c39b31da493f794be6ca (diff) | |
[QQuaternion] Add operator* that rotates a vector with a quaternion
Same as quaternion.rotatedVector(vec).
Expression like `vec = quat * vec` quite common in the 3D world.
Change-Id: I0edd5a5f80537bd149f03f682b3de15c54463e23
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Diffstat (limited to 'src/gui/math3d/qquaternion.cpp')
| -rw-r--r-- | src/gui/math3d/qquaternion.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/gui/math3d/qquaternion.cpp b/src/gui/math3d/qquaternion.cpp index 2fb192dab4..6e9d17d1e1 100644 --- a/src/gui/math3d/qquaternion.cpp +++ b/src/gui/math3d/qquaternion.cpp @@ -748,6 +748,18 @@ QQuaternion QQuaternion::fromRotationMatrix(const QMatrix3x3 &rot3x3) \sa QQuaternion::operator/=() */ +#ifndef QT_NO_VECTOR3D + +/*! + \fn QVector3D operator*(const QQuaternion &quaternion, const QVector3D &vec) + \since 5.5 + \relates QQuaternion + + Rotates a vector \a vec with a quaternion \a quaternion to produce a new vector in 3D space. +*/ + +#endif + /*! \fn bool qFuzzyCompare(const QQuaternion& q1, const QQuaternion& q2) \relates QQuaternion |