## SIQuaternion.AddInPlace

### Description

Adds this quaternion to the quaternion q and stores the result in this quaternion.

### C# Syntax

    SIQuaternion.AddInPlace( SIQuaternion in_pQuat );

### Scripting Syntax

    SIQuaternion.AddInPlace( q );

### Parameters

Parameter | Type | Description
--- | --- | ---
q | SIQuaternion | quaternion operand

### Examples

#### VBScript Example

    dim q1, q2

    ' Create Quaternions.

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

    set q2 = XSIMath.CreateQuaternion(1.0, 4.0, 5.0, 6.0)

    'q1 = q1 + q2

    q1.AddInPlace q2

### See Also

SIQuaternion.Add SIQuaternion.Sub SIQuaternion.SubInPlace SIVector3 SIMatrix3 SIMatrix4 SIRotation SITransformation SIQuaternion