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  3. FRealCurve

FRealCurve

A rich, editable float curve

API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/Curves

Inheritance Hierarchy

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Classes/Curves/RealCurve.h
Include #include "Curves/RealCurve.h"

Syntax

struct FRealCurve : public FIndexedCurve

Remarks

A rich, editable float curve

Variables

  Type Name Description
Public variable float DefaultValue Default value
Public variable TEnumAsByte< ERichCurveExtrapolation > PostInfinityExtrap Post-infinity extrapolation state
Public variable TEnumAsByte< ERichCurveExtrapolation > PreInfinityExtrap Pre-infinity extrapolation state

Constructors

  Type Name Description
Public function    

Functions

  Type Name Description
Public function Virtual FKeyHandle

AddKey ( float InTime,
float InValue,
const bool bUnwindRotation,
FKeyHandle KeyHandle
)

 Add a new key to the curve with the supplied Time and Value. Returns the handle of the new key.
Public function Virtual void

BakeCurve ( float SampleRate,
float FirstKeyTime,
float LastKeyTime
)

  
Public function Virtual void

BakeCurve ( float SampleRate
)

 Bake curve given the sample rate
Public function void Removes the default value for this curve.
Protected function Static void

CycleTime ( float MinTime,
float MaxTime,
float& InTime,
int& CycleCount
)

  
Public function Virtual void

DeleteKey ( FKeyHandle KeyHandle
)

 Remove the specified key from the curve.
Public function Virtual Const float

Eval ( float InTime,
float InDefaultValue
)

 Evaluate this curve at the specified time
Public function Const FKeyHandle

FindKey ( float KeyTime,
float KeyTimeTolerance
)

 Finds a key a the specified time
Public function Const float Get the default value for the curve
Protected function Virtual Const int32

GetKeyIndex ( float KeyTime,
float KeyTimeTolerance
)

  
Public function Virtual Const ERichCurveInterpMode  
Public function Virtual Const TPair< float, float > Returns a pair for the specified key
Public function Virtual Const float

GetKeyValue ( FKeyHandle KeyHandle
)

 Returns the value of the specified key
Public function Virtual Const void

GetTimeRange ( float& MinTime,
float& MaxTime
)

 Get range of input time values.
Public function Virtual Const void

GetValueRange ( float& MinValue,
float& MaxValue
)

 Get range of output values.
Public function Const bool Check whether this curve has any data or not
Public function Const bool

KeyExistsAtTime ( float KeyTime,
float KeyTimeTolerance
)

 True if a key exists already, false otherwise
Public function Virtual void

ReadjustTimeRange ( float NewMinTimeRange,
float NewMaxTimeRange,
bool bInsert,
float OldStartTime,
float OldEndTime
)

 Resize curve length to the [MinTimeRange, MaxTimeRange]
Public function Virtual Const void

RemapTimeValue ( float& InTime,
float& CycleValueOffset
)

 Remap InTime based on pre and post infinity extrapolation values
Public function Virtual void

RemoveRedundantKeys ( float Tolerance,
FFrameRate SampleRate
)

 Remove redundant keys, comparing against Tolerance (and optional use of sample-rate for additional testing)
Public function Virtual void

RemoveRedundantKeys ( float Tolerance,
float FirstKeyTime,
float LastKeyTime,
FFrameRate SampleRate
)

  
Public function Virtual void

Reset ()

 Clear all keys.
Public function void

SetDefaultValue ( float InDefaultValue
)

 Set the default value of the curve
Public function Virtual void

SetKeyInterpMode ( FKeyHandle KeyHandle,
ERichCurveInterpMode NewInterpMode
)

  
Public function Virtual void

SetKeyValue ( FKeyHandle KeyHandle,
float NewValue,
bool bAutoSetTangents
)

 Set the value of the specified key
Public function Virtual FKeyHandle

UpdateOrAddKey ( float InTime,
float InValue,
const bool bUnwindRotation,
float KeyTimeTolerance
)

 Finds the key at InTime, and updates its value.

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