PerspectiveViewVolume.GetFieldOfView Method

PerspectiveViewVolumeGetFieldOfView Method

Gets the field of view from a frustum with the given extent.

Namespace: DigitalRune.Geometry.Shapes
Assembly: DigitalRune.Geometry (in DigitalRune.Geometry.dll) Version: 1.18.0.0 (1.18.2.14427)

Syntax

C++

Copy

public static float GetFieldOfView(
	float extent,
	float distance
)

Public Shared Function GetFieldOfView ( 
	extent As Single,
	distance As Single
) As Single

public:
static float GetFieldOfView(
	float extent, 
	float distance
)

static member GetFieldOfView : 
        extent : float32 * 
        distance : float32 -> float32

Parameters

extent: Type: SystemSingle
The extent of the frustum at the specified distance.
distance: Type: SystemSingle
The distance.

Return Value

Type: Single
The field of view for the given extent.

Exceptions

Exception	Condition
ArgumentOutOfRangeException	extent is negative, or distance is negative or 0.

Remarks

To get the horizontal field of view the horizontal extent (x direction) needs to be specified. To get the vertical field of view the vertical extent (y direction) needs to be specified.

Reference

PerspectiveViewVolume Class

DigitalRune.Geometry.Shapes Namespace