## SIVector3.ScaleInPlace

### Description

Scales this vector by the input scalar (alpha): this = alpha * this

### C# Syntax

    SIVector3.ScaleInPlace( Double in_dScalar );

### Scripting Syntax

    SIVector3.ScaleInPlace( alpha );

### Parameters

Parameter | Type | Description
--- | --- | ---
alpha | Floating Point value | Scalar multiplicator

### Examples

#### VBScript Example

    dim v1
    ' Create 3D vector.
    set v1 = XSIMath.CreateVector3(1.0, 2.0, 3.0)
    v1.Set 1.0, 2.0, 3.0
    'v1 = 1.3 * v1
    v1.ScaleInPlace 1.3

### See Also

SIVector3.Scale SIVector3 SIMatrix3 SIMatrix4 SIRotation SITransformation SIQuaternion