FDisplayClusterProjectionMath

Math utilities for nDisplay projection and frustum calculations.

API > API/Plugins > API/Plugins/DisplayCluster

Math utilities for nDisplay projection and frustum calculations.

   
Name FDisplayClusterProjectionMath
Type struct
Header File /Engine/Plugins/Runtime/nDisplay/Source/DisplayCluster/Public/Math/DisplayClusterProjectionMath.h
Include Path #include "Math/DisplayClusterProjectionMath.h"

Syntax

struct FDisplayClusterProjectionMath

Functions

Static

Name Remarks Include Path Unreal Specifiers

static T DegreesToNearPlaneExtent ( const T AngleDeg,
const T ZNear
)

 Converts a frustum angle in degrees to a signed extent on the near plane. Math/DisplayClusterProjectionMath.h  

static void GetNonZeroFrustumRange ( double& InOutValue0,
double& InOutValue1,
double n
)

 Ensures the frustum range [InOutValue0, InOutValue1] is at least 1 degree wide at the given near distance. Math/DisplayClusterProjectionMath.h  

static FVector GetStereoEyeOffset ( const FRotator& InViewRotation,
const float StereoEyeOffsetDistance
)

 Calculates the ViewOffset for the eye from the view location. Math/DisplayClusterProjectionMath.h  

static UE::Math::TMatrix< T > MakeAsymmetricProjectionMatrix ( const UE::Math::TVector4< T >& InFrustumExtents,
const UE::Math::TVector2< T >& InClipPlanes
)

 Builds a perspective projection matrix from asymmetric near-plane extents (off-axis frustum). Math/DisplayClusterProjectionMath.h  

static UE::Math::TMatrix< T > MakeAsymmetricProjectionMatrix ( const T InLeft,
const T InRight,
const T InTop,
const T InBottom,
const T InZNear,
const T InZFar
)

 Builds a perspective projection matrix from asymmetric near-plane extents (off-axis frustum). Math/DisplayClusterProjectionMath.h  

static bool MatricesNearlyEqual ( const UE::Math::TMatrix< T >& A,
const UE::Math::TMatrix< T >& B,
float Tolerance
)

 Returns true if matrices A and B are nearly equal within the given Tolerance. Math/DisplayClusterProjectionMath.h  

static T NearPlaneExtentToDegrees ( const T NearPlaneExtent,
const T ZNear
)

 Converts a signed extent on the near plane to a frustum angle in degrees. Math/DisplayClusterProjectionMath.h  

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