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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/classes/Quaternion.xml | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/classes/Quaternion.xml b/doc/classes/Quaternion.xml index 161514bc03..36f8eac58b 100644 --- a/doc/classes/Quaternion.xml +++ b/doc/classes/Quaternion.xml @@ -1,12 +1,12 @@ <?xml version="1.0" encoding="UTF-8" ?> <class name="Quaternion" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd"> <brief_description> - Quaternion. + A unit quaternion used for representing 3D rotations. </brief_description> <description> - A unit quaternion used for representing 3D rotations. Quaternions need to be normalized to be used for rotation. - It is similar to Basis, which implements matrix representation of rotations, and can be parametrized using both an axis-angle pair or Euler angles. Basis stores rotation, scale, and shearing, while Quaternion only stores rotation. - Due to its compactness and the way it is stored in memory, certain operations (obtaining axis-angle and performing SLERP, in particular) are more efficient and robust against floating-point errors. + Quaternions are similar to [Basis], which implements the matrix representation of rotations. Unlike [Basis], which stores rotation, scale, and shearing, quaternions only store rotation. + Quaternions can be parametrized using both an axis-angle pair or Euler angles. Due to their compactness and the way they are stored in memory, certain operations (obtaining axis-angle and performing SLERP, in particular) are more efficient and robust against floating-point errors. + [b]Note:[/b] Quaternions need to be normalized before being used for rotation. </description> <tutorials> <link title="Using 3D transforms">$DOCS_URL/tutorials/3d/using_transforms.html#interpolating-with-quaternions</link> |