PointLightBase.ConstantAttenuation Property

Gets or sets a constant value by which the intensity of the light diminishes over distance.

Namespace:  System.Windows.Media.Media3D
Assembly:  PresentationCore (in PresentationCore.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

public double ConstantAttenuation { get; set; }
<object ConstantAttenuation="double" .../>

Property Value

Type: System.Double
Double by which the intensity of the light diminishes over distance.

Identifier field

ConstantAttenuationProperty

Metadata properties set to true

None

The following example sets this property in code.

public MyLights()
{
    for (int i = 0; i < nbrDirLights; i++)
    {
        _dirLight[i] = new DirectionalLight();
        _dirLight[i].Color = _dirLightColor[i];
        _dirLight[i].Direction = _dirVector[i];
    }

    _ptLight.Position = new Point3D(-3, -7, 10);
    _ptLight.Color = System.Windows.Media.Brushes.White.Color;
    _ptLight.Range = 15.0;
    _ptLight.ConstantAttenuation = 3.0;
}

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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