Share via

Quaternion.Invert(Quaternion) Method (Microsoft.DirectX)

  • Article

Conjugates and re-normalizes a quaternion.

Definition

Visual Basic Public Shared Function Invert( _
    ByVal q As Quaternion _
) As Quaternion
C# public static Quaternion Invert(
    Quaternion q
);
C++ public:
static Quaternion Invert(
    Quaternion q
);
JScript public static function Invert(
    q : Quaternion
) : Quaternion;

Parameters

q Microsoft.DirectX.Quaternion
Source Quaternion structure.

Return Value

Microsoft.DirectX.Quaternion
A Quaternion structure that is the inverse of the quaternion passed into the q parameter.

Remarks

A unit quaternion is defined by the following equation.

q == (cos(theta), sin(theta) * v) where |v| = 1
The natural logarithm of q is ln(q) = (0, theta * v)

See Also