## SIQuaternion.Negate

### Description

Negates the quaternion q and stores the result in this quaternion.

### C# Syntax

    SIQuaternion.Negate( SIQuaternion in_pQuat );

### Scripting Syntax

    SIQuaternion.Negate( q );

### Parameters

Parameter | Type | Description
--- | --- | ---
q | SIQuaternion | quaternion to negate

### Examples

#### VBScript Example

    dim q1, q2

    ' Create Quaternions.

    set q1 = XSIMath.CreateQuaternion(1.0, 1.0, 2.0, 3.0)

    set q2 = XSIMath.CreateQuaternion

    'q2 = -q1

    q2.Negate q1

### See Also

SIQuaternion.NegateInPlace SIVector3 SIMatrix3 SIMatrix4 SIRotation SITransformation SIQuaternion