FCameraPoseMath | Unreal Engine 5.7 Documentation

API > API/Plugins > API/Plugins/GameplayCameras

A utility class for mathematical functions related to a camera pose.


Name	FCameraPoseMath
Type	class
Header File	/Engine/Plugins/Cameras/GameplayCameras/Source/GameplayCameras/Public/Math/CameraPoseMath.h
Include Path	#include "Math/CameraPoseMath.h"

Syntax

class FCameraPoseMath

Functions

Static

Name	Remarks	Include Path
static FMatrix BuildProjectionMatrix ( const FCameraPose& CameraPose, double AspectRatio )	Builds the projection matrix of the given camera pose.	Math/CameraPoseMath.h
static FMatrix BuildViewProjectionMatrix ( const FCameraPose& CameraPose, double AspectRatio )	Builds the view-projection matrix of the given camera pose.	Math/CameraPoseMath.h
static double GetEffectiveAspectRatio ( const FCameraPose& CameraPose, TSharedPtr< const FCameraEvaluationContext > EvaluationContext )	Gets the aspect ratio of the viewport associated with the given player controller.	Math/CameraPoseMath.h
static FCameraFieldsOfView GetEffectiveFieldsOfView ( const FCameraPose& CameraPose )	Gets both horizontal and vertical effective fields of view, using the sensor aspect ratio.	Math/CameraPoseMath.h
static FCameraFieldsOfView GetEffectiveFieldsOfView ( const FCameraPose& CameraPose, TSharedPtr< const FCameraEvaluationContext > EvaluationContext )	Gets both horizontal and vertical effective fields of view, using the given player controller's viewport aspect ratio.	Math/CameraPoseMath.h
static FCameraFieldsOfView GetEffectiveFieldsOfView ( const FCameraPose& CameraPose, double AspectRatio )	Gets both horizontal and vertical effective fields of view, using the given aspect ratio.	Math/CameraPoseMath.h
static FMatrix InverseProjectionMatrix ( const FMatrix& ProjectionMatrix )		Math/CameraPoseMath.h
static TOptional< FVector2d > ProjectCameraToScreen ( const FCameraPose& CameraPose, double AspectRatio, const FVector3d& CameraSpaceLocation, bool bForceLocationInsideFrustum )	Projects the given camera-local point onto screen-space.	Math/CameraPoseMath.h
static TOptional< FVector2d > ProjectToScreen ( const FMatrix& ViewProjectionMatrix, const FVector3d& Location, bool bForceLocationInsideFrustum )	Projects the given point onto screen-space.	Math/CameraPoseMath.h
static TOptional< FVector2d > ProjectWorldToScreen ( const FCameraPose& CameraPose, double AspectRatio, const FVector3d& WorldLocation, bool bForceLocationInsideFrustum )	Projects the given world point onto screen-space.	Math/CameraPoseMath.h
static FRay3d UnprojectFromScreen ( const FMatrix& InverseViewProjectionMatrix, const FVector2D& ScreenSpacePoint )	Unprojects the given screen-space point into a ray.	Math/CameraPoseMath.h
static FVector3d UnprojectFromScreen ( const FMatrix& InverseViewProjectionMatrix, const FVector2D& ScreenSpacePoint, double PredictedDistance )	Unprojects the given screen-space point into a point given an expected distance.	Math/CameraPoseMath.h
static FRay3d UnprojectScreenToCamera ( const FCameraPose& CameraPose, double AspectRatio, const FVector2D& ScreenSpacePoint )	Unproject a screen-space point into a camera-local ray.	Math/CameraPoseMath.h
static FVector3d UnprojectScreenToCamera ( const FCameraPose& CameraPose, double AspectRatio, const FVector2D& ScreenSpacePoint, double PredictedDistance )	Unproject a screen-space point into a camera-local point given an expected distance.	Math/CameraPoseMath.h
static FRay3d UnprojectScreenToWorld ( const FCameraPose& CameraPose, double AspectRatio, const FVector2D& ScreenSpacePoint )	Unproject a screen-space point into a world-space ray.	Math/CameraPoseMath.h
static FVector3d UnprojectScreenToWorld ( const FCameraPose& CameraPose, double AspectRatio, const FVector2D& ScreenSpacePoint, double PredictedDistance )	Unproject a screen-space point into a world-space point given an expected distance.	Math/CameraPoseMath.h

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Syntax

Functions

Static