## SIQuaternion.MulInPlace

### Description

Right-multiplies this quaternion by the quaternion q: this = this . q

### C# Syntax

    SIQuaternion.MulInPlace( SIQuaternion in_pQuat );

### Scripting Syntax

    SIQuaternion.MulInPlace( 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.MulInPlace q2

### See Also

SIQuaternion.Mul SIVector3 SIMatrix3 SIMatrix4 SIRotation SITransformation SIQuaternion