ilog.views.maps.defense.terrain3d.util

Class Ilv3DRotation

java.lang.Object

ilog.views.maps.defense.terrain3d.util.Ilv3DRotation

public class Ilv3DRotation
extends Object

Ilv3DRotation represents a rotation with float precision components.

Since:

JViews 8.1

Constructor Summary

Constructors

Constructor and Description
Ilv3DRotation() Creates an identity rotation.
Ilv3DRotation(Ilv3DFloatVector axis, float angle) Creates a rotation from an axis and a rotation angle.
Ilv3DRotation(Ilv3DRotation arg) Creates a new Rotf by copying the rotation passed as a parameter.

Method Summary

Modifier and Type	Method and Description
void	fromMatrix(Ilv3DFloatMatrix mat) Turns the upper left 3x3 of the passed matrix into a rotation.
void	init() Resets this rotation to the identity rotation.
Ilv3DRotation	inverse() Returns the inverse of this rotation and creates a new rotation.
void	invert() Inverts this rotation.
Ilv3DFloatVector	rotateVector(Ilv3DFloatVector src) Rotate a vector by this rotation.
void	rotateVector(Ilv3DFloatVector src, Ilv3DFloatVector dest) Rotates a vector by this rotation.
void	set(Ilv3DFloatVector axis, float angle) Sets the axis and the angle of this rotation.
void	set(Ilv3DRotation arg) Sets this rotation equal to the one passed as a parameter.
void	toMatrix(Ilv3DFloatMatrix mat) Turns this rotation into a 3x3 rotation matrix.
String	toString() Prints this rotation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Ilv3DRotation

public Ilv3DRotation()

Creates an identity rotation.

Ilv3DRotation

public Ilv3DRotation(Ilv3DRotation arg)

Creates a new Rotf by copying the rotation passed as a parameter.

Parameters:

arg - The rotation to copy.

Ilv3DRotation

public Ilv3DRotation(Ilv3DFloatVector axis,
                     float angle)

Creates a rotation from an axis and a rotation angle. The axis does not need to be normalized but must not be the zero vector. The angle is in radians.

Parameters:

axis - The axis vector.

angle - The angle in radians.

Method Detail

init

public void init()

Resets this rotation to the identity rotation.

set

public void set(Ilv3DFloatVector axis,
                float angle)

Sets the axis and the angle of this rotation. The axis does not need to be normalized, but must not be the zero vector. The angle is in radians.

Parameters:

axis - The axis vector.

angle - The angle in radians.

set

public void set(Ilv3DRotation arg)

Sets this rotation equal to the one passed as a parameter.

Parameters:

arg - The rotation to copy.

inverse

public Ilv3DRotation inverse()

Returns the inverse of this rotation and creates a new rotation.

Returns:

A new inverted rotation.

invert

public void invert()

Inverts this rotation.

toMatrix

public void toMatrix(Ilv3DFloatMatrix mat)

Turns this rotation into a 3x3 rotation matrix.

Parameters:

mat - The matrix to store the result.

fromMatrix

public void fromMatrix(Ilv3DFloatMatrix mat)

Turns the upper left 3x3 of the passed matrix into a rotation.

Parameters:

mat - The matrix to turn into a rotation.

rotateVector

public void rotateVector(Ilv3DFloatVector src,
                         Ilv3DFloatVector dest)

Rotates a vector by this rotation.

Parameters:

src - The vector to rotate.

dest - The rotated vector (result).

rotateVector

public Ilv3DFloatVector rotateVector(Ilv3DFloatVector src)

Rotate a vector by this rotation.

Parameters:

src - The vector to rotate.

Returns:

A new rotated vector

toString

public String toString()

Prints this rotation.

Overrides:

toString in class Object

Returns:

The String representation of this rotation.