Class Rotation

Definition

Namespace:: Tizen.NUI

Assembly:: Tizen.NUI.dll

API Level:: 3

The Rotation class.


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public class Rotation : Disposable, IDisposable

Inheritance: System.Object

Disposable

Rotation

Implements: System.IDisposable

Constructors

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Rotation()

The default constructor.

Declaration


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public Rotation()

API Level: 3

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Rotation(Radian, Vector3)

The constructor from an axis and angle.

Declaration


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public Rotation(Radian angle, Vector3 axis)

Parameters

Type	Name	Description
Radian	angle	The angle around the axis.
Vector3	axis	The vector of the axis.

API Level: 3

Properties

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IDENTITY

(0.0f,0.0f,0.0f,1.0f).

Declaration


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public static Rotation IDENTITY { get; }

Property Value

Type	Description
Rotation

API Level: 3

Methods

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AngleBetween(Rotation, Rotation)

Returns the shortest angle between two rotations in radians.

Declaration


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public static float AngleBetween(Rotation q1, Rotation q2)

Parameters

Type	Name	Description
Rotation	q1	The first rotation.
Rotation	q2	The second rotation.

Returns

Type	Description
System.Single	The angle between the two rotation.

API Level: 3

View Source

Conjugate()

Conjugates this rotation.

Declaration


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public void Conjugate()

API Level: 3

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Dot(Rotation, Rotation)

Returns the dot product of two rotations.

Declaration


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public static float Dot(Rotation q1, Rotation q2)

Parameters

Type	Name	Description
Rotation	q1	The first rotation.
Rotation	q2	The second rotation.

Returns

Type	Description
System.Single	The dot product of the two rotations.

API Level: 3

View Source

Exp()

Performs an exponent.

Declaration


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public Rotation Exp()

Returns

Type	Description
Rotation	The rotation representing the exponent.

API Level: 3

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GetAxisAngle(Vector3, Radian)

Converts the quaternion to an axis or angle pair.

Declaration


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public bool GetAxisAngle(Vector3 axis, Radian angle)

Parameters

Type	Name	Description
Vector3	axis	The result of an axis.
Radian	angle	The result of angle in radians.

Returns

Type	Description
Boolean	True if converted correctly.

API Level: 3

View Source

Invert()

Inverts this rotation.

Declaration


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public void Invert()

API Level: 3

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IsIdentity()

Helper to check if this is an identity quaternion.

Declaration


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public bool IsIdentity()

Returns

Type	Description
Boolean	True if this is identity quaternion.

API Level: 3

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Length()

Returns the length of the rotation.

Declaration


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public float Length()

Returns

Type	Description
System.Single	The length of the rotation.

API Level: 3

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LengthSquared()

Returns the squared length of the rotation.

Declaration


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public float LengthSquared()

Returns

Type	Description
System.Single	The squared length of the rotation.

API Level: 3

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Lerp(Rotation, Rotation, Single)

The linear interpolation (using a straight line between the two rotations).

Declaration


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public static Rotation Lerp(Rotation q1, Rotation q2, float t)

Parameters

Type	Name	Description
Rotation	q1	The start rotation.
Rotation	q2	The end rotation.
System.Single	t	A progress value between 0 and 1.

Returns

Type	Description
Rotation	The interpolated rotation.

API Level: 3

View Source

Log()

Performs the logarithm of a rotation.

Declaration


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public Rotation Log()

Returns

Type	Description
Rotation	The rotation representing the logarithm.

API Level: 3

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Normalize()

Normalizes this to unit length.

Declaration


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public void Normalize()

API Level: 3

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Normalized()

Normalized.

Declaration


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public Rotation Normalized()

Returns

Type	Description
Rotation	A normalized version of this rotation.

API Level: 3

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Slerp(Rotation, Rotation, Single)

The spherical linear interpolation (using the shortest arc of a great circle between the two rotations).

Declaration


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public static Rotation Slerp(Rotation q1, Rotation q2, float progress)

Parameters

Type	Name	Description
Rotation	q1	The start rotation.
Rotation	q2	The end rotation.
System.Single	progress	A progress value between 0 and 1.

Returns

Type	Description
Rotation	The interpolated rotation.

API Level: 3

View Source

SlerpNoInvert(Rotation, Rotation, Single)

This version of slerp, used by squad, does not check for theta > 90.

Declaration


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public static Rotation SlerpNoInvert(Rotation q1, Rotation q2, float t)

Parameters

Type	Name	Description
Rotation	q1	The start rotation.
Rotation	q2	The end rotation.
System.Single	t	A progress value between 0 and 1.

Returns

Type	Description
Rotation	The interpolated rotation.

API Level: 3

View Source

Squad(Rotation, Rotation, Rotation, Rotation, Single)

The spherical cubic interpolation.

Declaration


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public static Rotation Squad(Rotation start, Rotation end, Rotation ctrl1, Rotation ctrl2, float t)

Parameters

Type	Name	Description
Rotation	start	The start rotation.
Rotation	end	The end rotation.
Rotation	ctrl1	The control rotation for q1.
Rotation	ctrl2	The control rotation for q2.
System.Single	t	A progress value between 0 and 1.

Returns

Type	Description
Rotation	The interpolated rotation.

API Level: 3

Operators

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Addition(Rotation, Rotation)

The addition operator.

Declaration


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public static Rotation operator +(Rotation arg1, Rotation arg2)

Parameters

Type	Name	Description
Rotation	arg1	The first rotation.
Rotation	arg2	The second rotation.

Returns

Type	Description
Rotation	The rotation containing the result of the addition.

API Level: 3

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Division(Rotation, Single)

The scale operator.

Declaration


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public static Rotation operator /(Rotation arg1, float arg2)

Parameters

Type	Name	Description
Rotation	arg1	Rotation.
System.Single	arg2	A value to scale by.

Returns

Type	Description
Rotation	The rotation containing the result of scaling.

API Level: 3

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Division(Rotation, Rotation)

The division operator.

Declaration


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public static Rotation operator /(Rotation arg1, Rotation arg2)

Parameters

Type	Name	Description
Rotation	arg1	The first rotation.
Rotation	arg2	The second rotation.

Returns

Type	Description
Rotation	The rotation containing the result of scaling.

API Level: 3

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Multiply(Rotation, Single)

The scale operator.

Declaration


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public static Rotation operator *(Rotation arg1, float arg2)

Parameters

Type	Name	Description
Rotation	arg1	Rotation.
System.Single	arg2	A value to scale by.

Returns

Type	Description
Rotation	The rotation containing the result of scaling.

API Level: 3

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Multiply(Rotation, Rotation)

The multiplication operator.

Declaration


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public static Rotation operator *(Rotation arg1, Rotation arg2)

Parameters

Type	Name	Description
Rotation	arg1	The first rotation.
Rotation	arg2	The second rotation.

Returns

Type	Description
Rotation	The rotation containing the result of the multiplication.

API Level: 3

View Source

Multiply(Rotation, Vector3)

The multiplication operator.

Declaration


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public static Vector3 operator *(Rotation arg1, Vector3 arg2)

Parameters

Type	Name	Description
Rotation	arg1	Rotation.
Vector3	arg2	The vector to multiply.

Returns

Type	Description
Vector3	The rotation containing the result of the multiplication.

API Level: 3

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Subtraction(Rotation, Rotation)

The subtraction operator.

Declaration


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public static Rotation operator -(Rotation arg1, Rotation arg2)

Parameters

Type	Name	Description
Rotation	arg1	The first rotation.
Rotation	arg2	The second rotation.

Returns

Type	Description
Rotation	The rotation containing the result of the subtraction.

API Level: 3

View Source

UnaryNegation(Rotation)

The unary negation operator.

Declaration


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public static Rotation operator -(Rotation arg1)

Parameters

Type	Name	Description
Rotation	arg1	The first rotation.

Returns

Type	Description
Rotation	The rotation containing the negated result.

API Level: 3

Implements

System.IDisposable