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  3. TRotation< FRealDouble, 3 >

TRotation< FRealDouble, 3 >

API > API/Runtime > API/Runtime/ChaosCore

   
Name TRotation< FRealDouble, 3 >
Type class
Header File /Engine/Source/Runtime/Experimental/ChaosCore/Public/Chaos/Rotation.h
Include Path #include "Chaos/Rotation.h"

Syntax

template<>  
class TRotation< FRealDouble, 3 > : public UE::Math::TQuat< FRealDouble >

Inheritance Hierarchy

  • TQuat → TRotation< FRealDouble, 3 >

Typedefs

Name Type Remarks Include Path
BaseQuat UE::Math::TQuat< FRealDouble >   Chaos/Rotation.h

Functions

Public

Name Remarks Include Path Unreal Specifiers

FRealDouble GetAbsMax()

 Return the large absolute element value. Chaos/Rotation.h  

bool GetRotationAxisSafe ( TVector< FRealDouble, 3 >& OutAxis,
const TVector< FRealDouble, 3 >& DefaultAxis,
FRealDouble EpsilionSq
) const

 Extract the axis from the Quaternion. Chaos/Rotation.h  

bool ToAxisAndAngleSafe ( TVector< FRealDouble, 3 >& OutAxis,
FRealDouble& OutAngle,
const TVector< FRealDouble, 3 >& DefaultAxis,
FRealDouble EpsilionSq
) const

 Extract the axis and angle from the Quaternion. Chaos/Rotation.h  

PMatrix< FRealDouble, 3, 3 > ToMatrix()

   Chaos/Rotation.h  

void ToMatrixAxes ( TVector< FRealDouble, 3 >& OutX,
TVector< FRealDouble, 3 >& OutY,
TVector< FRealDouble, 3 >& OutZ
)

 Convert to a matrix and return as the 3 matrix axes. Chaos/Rotation.h  

void ToSwingTwistX ( BaseQuat& OutSwing,
BaseQuat& OutTwist
) const

 Extract the Swing and Twist rotations, assuming that the Twist Axis is (1,0,0). /see ToSwingTwist Chaos/Rotation.h  

TRotation ( const FMatrix44f& Matrix
)

   Chaos/Rotation.h  
  Chaos/Rotation.h  

TRotation ( const BaseQuat& Quat
)

   Chaos/Rotation.h  

TRotation ( const FMatrix44d& Matrix
)

   Chaos/Rotation.h  

TRotation ( const UE::Math::TQuat< OtherType >& Other
)

   Chaos/Rotation.h  

Static

Name Remarks Include Path Unreal Specifiers

static TVector< FRealDouble, 3 > CalculateAngularDelta ( const TRotation< FRealDouble, 3 >& InR0,
const TRotation< FRealDouble, 3 >& InR1
)

 Calculate the axis-angle delta (angular velocity * dt) required to take an object with orientation R0 to orientation R1. Chaos/Rotation.h  

static TVector< FRealDouble, 3 > CalculateAngularVelocity ( const TRotation< FRealDouble, 3 >& InR0,
const TRotation< FRealDouble, 3 >& InR1,
const FRealDouble InDt
)

 Calculate the angular velocity required to take an object with orientation R0 to orientation R1 in time Dt. Chaos/Rotation.h  

static TVector< FRealDouble, 3 > CalculateAngularVelocity1 ( const TRotation< FRealDouble, 3 >& R0,
const TRotation< FRealDouble, 3 >& InR1,
const FRealDouble InDt
)

 Calculate the angular velocity required to take an object with orientation R0 to orientation R1 in time Dt. Chaos/Rotation.h  

static TVector< FRealDouble, 3 > CalculateAngularVelocity2 ( const TRotation< FRealDouble, 3 >& R0,
const TRotation< FRealDouble, 3 >& InR1,
const FRealDouble InDt
)

 Calculate the angular velocity required to take an object with orientation R0 to orientation R1 in time Dt. Chaos/Rotation.h  

static TRotation< FRealDouble, 3 > Conjugate ( const ::Chaos::TRotation< FRealDouble, 3 >& InR
)

 Return the complex conjugate of the rotation Chaos/Rotation.h  

static FRealDouble DotProduct ( const TRotation< FRealDouble, 3 >& L,
const TRotation< FRealDouble, 3 >& R
)

 Return the dot product of two quaternions. Chaos/Rotation.h  

static TRotation< FRealDouble, 3 > FromAxisAngle ( const ::Chaos::TVector< FRealDouble, 3 >& Axis,
const FRealDouble AngleRad
)

 Create a rotation about an axis by an angle specified in radians Chaos/Rotation.h  

static TRotation< FRealDouble, 3 > FromElements ( const FRealDouble X,
const FRealDouble Y,
const FRealDouble Z,
const FRealDouble W
)

 Create a rotation by explicitly specifying all elements Chaos/Rotation.h  

static TRotation< FRealDouble, 3 > FromElements ( const ::Chaos::TVector< FRealDouble, 3 >& V,
const FRealDouble W
)

 Create a rotation by explicitly specifying all elements Chaos/Rotation.h  

static TRotation< FRealDouble, 3 > FromIdentity()

 Create an identity rotation Chaos/Rotation.h  

static TRotation< FRealDouble, 3 > FromRotatedVector ( const ::Chaos::TVector< FRealDouble, 3 >& InitialVector,
const ::Chaos::TVector< FRealDouble, 3 >& FinalVector
)

 Generate a Rotation that would rotate vector InitialVector to FinalVector Chaos/Rotation.h  

static TRotation< FRealDouble, 3 > FromVector ( const ::Chaos::TVector< FRealDouble, 3 >& V
)

 Create a rotation about an axis V/|V| by angle |V| in radians Chaos/Rotation.h  

static TRotation< FRealDouble, 3 > IntegrateRotationWithAngularVelocity ( const TRotation< FRealDouble, 3 >& InR0,
const TVector< FRealDouble, 3 >& InW,
const FRealDouble InDt
)

 Return a new rotation equal to the input rotation with angular velocity W applied over time Dt. Chaos/Rotation.h  

static bool IsNearlyEqual ( const TRotation< FRealDouble, 3 >& A,
const TRotation< FRealDouble, 3 >& B,
const FRealDouble Epsilon
)

 Check that two rotations are approximately equal. Chaos/Rotation.h  

static TRotation< FRealDouble, 3 > Negate ( const ::Chaos::TRotation< FRealDouble, 3 >& InR
)

 Negate all values of the quaternion (note: not the inverse rotation. See Conjugate) Chaos/Rotation.h  

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