PointLightBase.ConstantAttenuation Property

Reference

Definition

Namespace:: System.Windows.Media.Media3D

Assembly:: PresentationCore.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

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

public:
 property double ConstantAttenuation { double get(); void set(double value); };

public double ConstantAttenuation { get; set; }

member this.ConstantAttenuation : double with get, set

Public Property ConstantAttenuation As Double

Property Value

Double

Double by which the intensity of the light diminishes over distance.

Examples

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;
}

Public Sub New()
    For i As Integer = 0 To nbrDirLights - 1
        _dirLight(i) = New DirectionalLight()
        _dirLight(i).Color = _dirLightColor(i)
        _dirLight(i).Direction = _dirVector(i)
    Next i

    _ptLight.Position = New Point3D(-3, -7, 10)
    _ptLight.Color = System.Windows.Media.Brushes.White.Color
    _ptLight.Range = 15.0
    _ptLight.ConstantAttenuation = 3.0
End Sub

Remarks

Dependency Property Information

Item	Value
Identifier field	ConstantAttenuationProperty
Metadata properties set to `true`	None

Applies to

Product	Versions
.NET Framework	3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop	3.0, 3.1, 5, 6, 7, 8, 9, 10

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