C# Class QualisysRealTime.Unity.Skeleton.QuaternionHelper2

ファイルを表示 Open project: qualisys/Qualisys-Unity-SDK Class Usage Examples

Public Properties

Property	Type	Description
Zero	Quaternion
precision	float

Public Methods

Method	Description
DifferenceBetween ( Quaternion right, Quaternion left ) : float	Calculates the difference in rotation between two Quaternions if result is 0, there is no difference between the Quaternions if the results is 1, the difference is 180 degrees difference
FromMatrix ( Matrix4 matrix ) : Quaternion	Builds a quaternion from the given rotation matrix
FromMatrix ( Matrix4 &matrix, Quaternion &result ) : void	Builds a quaternion from the given rotation matrix
GetOrientation ( OpenTK.Vector3 forwardPoint, OpenTK.Vector3 leftPoint, OpenTK.Vector3 rightPoint ) : Quaternion	Get orientation of three points, where on point defines forward
GetOrientationFromYX ( OpenTK.Vector3 y, OpenTK.Vector3 x ) : Quaternion	Get quaternion with front and right vector
GetOrientationFromZY ( OpenTK.Vector3 z, OpenTK.Vector3 y ) : Quaternion	Get quaternion with front and right vector
GetRotationBetween ( OpenTK.Vector3 a, OpenTK.Vector3 b, float stiffness = 1f ) : Quaternion	Returns a quaternion representing the rotation from vector a to b Robust, does not return NaN
IsNaN ( this q ) : bool	Check if any element in quaternion is NaN
LookAtRight ( OpenTK.Vector3 source, OpenTK.Vector3 target, OpenTK.Vector3 x ) : Quaternion	Get quaternion with rotation as Y axis from source towards target and X close to right parameter
LookAtUp ( OpenTK.Vector3 source, OpenTK.Vector3 target, OpenTK.Vector3 z ) : Quaternion	Get quaternion with rotation as Y axis towards target as close as z parameter as possible
Rotate ( Quaternion quaternion, OpenTK.Vector3 vec ) : OpenTK.Vector3
RotationBetween ( OpenTK.Vector3 from, OpenTK.Vector3 to ) : Quaternion	Returns a quaternion representing the rotation between vectors Not robust, but faster
RotationX ( float radians ) : Quaternion	Rotation around X axis
RotationY ( float radians ) : Quaternion	Rotation around Y axis
RotationZ ( float radians ) : Quaternion	Rotation around Z axis

Method Details

DifferenceBetween() public static method

Calculates the difference in rotation between two Quaternions if result is 0, there is no difference between the Quaternions if the results is 1, the difference is 180 degrees difference

public static DifferenceBetween ( Quaternion right, Quaternion left ) : float
right	Quaternion
left	Quaternion
return	float

FromMatrix() public static method

Builds a quaternion from the given rotation matrix

public static FromMatrix ( Matrix4 matrix ) : Quaternion
matrix	Matrix4	A rotation matrix
return	Quaternion

FromMatrix() public static method

Builds a quaternion from the given rotation matrix

public static FromMatrix ( Matrix4 &matrix, Quaternion &result ) : void
matrix	Matrix4	A rotation matrix
result	Quaternion	The equivalent quaternion
return	void

GetOrientation() public static method

Get orientation of three points, where on point defines forward

public static GetOrientation ( OpenTK.Vector3 forwardPoint, OpenTK.Vector3 leftPoint, OpenTK.Vector3 rightPoint ) : Quaternion
forwardPoint	OpenTK.Vector3
leftPoint	OpenTK.Vector3
rightPoint	OpenTK.Vector3
return	Quaternion

GetOrientationFromYX() public static method

Get quaternion with front and right vector

public static GetOrientationFromYX ( OpenTK.Vector3 y, OpenTK.Vector3 x ) : Quaternion
y	OpenTK.Vector3
x	OpenTK.Vector3
return	Quaternion

GetOrientationFromZY() public static method

Get quaternion with front and right vector

public static GetOrientationFromZY ( OpenTK.Vector3 z, OpenTK.Vector3 y ) : Quaternion
z	OpenTK.Vector3
y	OpenTK.Vector3
return	Quaternion

GetRotationBetween() public static method

Returns a quaternion representing the rotation from vector a to b Robust, does not return NaN

public static GetRotationBetween ( OpenTK.Vector3 a, OpenTK.Vector3 b, float stiffness = 1f ) : Quaternion
a	OpenTK.Vector3	The first vector
b	OpenTK.Vector3	The secound vector
stiffness	float	Stiffness value
return	Quaternion

IsNaN() public static method

Check if any element in quaternion is NaN

public static IsNaN ( this q ) : bool
q	this
return	bool

LookAtRight() public static method

Get quaternion with rotation as Y axis from source towards target and X close to right parameter

public static LookAtRight ( OpenTK.Vector3 source, OpenTK.Vector3 target, OpenTK.Vector3 x ) : Quaternion
source	OpenTK.Vector3	Position vector to look from
target	OpenTK.Vector3	Position vector to look at
x	OpenTK.Vector3
return	Quaternion

LookAtUp() public static method

Get quaternion with rotation as Y axis towards target as close as z parameter as possible

public static LookAtUp ( OpenTK.Vector3 source, OpenTK.Vector3 target, OpenTK.Vector3 z ) : Quaternion
source	OpenTK.Vector3	The source position vector to look from
target	OpenTK.Vector3
z	OpenTK.Vector3
return	Quaternion

Rotate() public static method

public static Rotate ( Quaternion quaternion, OpenTK.Vector3 vec ) : OpenTK.Vector3
quaternion	Quaternion
vec	OpenTK.Vector3
return	OpenTK.Vector3

RotationBetween() public static method

Returns a quaternion representing the rotation between vectors Not robust, but faster

public static RotationBetween ( OpenTK.Vector3 from, OpenTK.Vector3 to ) : Quaternion
from	OpenTK.Vector3	The vetor the rotation start from
to	OpenTK.Vector3	The vector the quaternion should result in if from vector was transformed by the resulting Quaternion
return	Quaternion

RotationX() public static method

Rotation around X axis

public static RotationX ( float radians ) : Quaternion
radians	float	rotation amount
return	Quaternion

RotationY() public static method

Rotation around Y axis

public static RotationY ( float radians ) : Quaternion
radians	float	rotation amount
return	Quaternion

RotationZ() public static method

Rotation around Z axis

public static RotationZ ( float radians ) : Quaternion
radians	float	rotation amount
return	Quaternion

Property Details

Zero public_oe static_oe property

Defines the zero quaternion.

public static Quaternion Zero
return	Quaternion

precision public_oe static_oe property

public static float precision
return	float