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PointLightBase.ConstantAttenuation Property

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

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;
}

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0
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