## SIRotation.MulInPlace

### Description

Right-multiplies this rotation by the rotation r: this = this . r

### C# Syntax

    SIRotation.MulInPlace( SIRotation in_pRot );

### Scripting Syntax

    SIRotation.MulInPlace( r );

### Parameters

Parameter | Type | Description
--- | --- | ---
r | SIRotation | rotation operand

### Examples

#### VBScript Example

    dim r1, r2

    ' Create rotations.

    set r1 = XSIMath.CreateRotation

    set r2 = XSIMath.CreateRotation

    'Do something with rotations r1 and r2

    r1.MulInPlace r2

### See Also

SIRotation.Mul SIVector3 SIMatrix3 SIMatrix4 SIRotation SITransformation SIQuaternion