nova.core.util.math

Class TransformUtil

java.lang.Object

nova.core.util.math.TransformUtil

public final class TransformUtil
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static org.apache.commons.math3.linear.RealMatrix	scaleMatrix(double x, double y, double z) Creates scale matrix.
static org.apache.commons.math3.linear.RealMatrix	scaleMatrix(org.apache.commons.math3.geometry.euclidean.threed.Vector3D scaleVector) Creates scale matrix.
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	transform(org.apache.commons.math3.geometry.euclidean.threed.Vector3D vector, org.apache.commons.math3.linear.RealMatrix m) Transform vector by this matrix.
static org.apache.commons.math3.geometry.euclidean.threed.Vector3D	transformDirectionless(org.apache.commons.math3.geometry.euclidean.threed.Vector3D vector, org.apache.commons.math3.linear.RealMatrix m) Transform vector by this matrix.
static org.apache.commons.math3.linear.RealMatrix	translationMatrix(double x, double y, double z) Creates translation matrix.
static org.apache.commons.math3.linear.RealMatrix	translationMatrix(org.apache.commons.math3.geometry.euclidean.threed.Vector3D translationVector) Creates translation matrix.

Methods inherited from class java.lang.Object

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

Method Detail

translationMatrix

public static org.apache.commons.math3.linear.RealMatrix translationMatrix(double x,
                                                                           double y,
                                                                           double z)

Creates translation matrix.

Parameters:

x - translation.

y - translation.

z - translation.

Returns:

translation matrix.

translationMatrix

public static org.apache.commons.math3.linear.RealMatrix translationMatrix(org.apache.commons.math3.geometry.euclidean.threed.Vector3D translationVector)

Creates translation matrix.

Parameters:

translationVector - which components are translation parameters.

Returns:

translation matrix.

scaleMatrix

public static org.apache.commons.math3.linear.RealMatrix scaleMatrix(double x,
                                                                     double y,
                                                                     double z)

Creates scale matrix.

Parameters:

x - scale.

y - scale.

z - scale.

Returns:

scale matrix.

scaleMatrix

public static org.apache.commons.math3.linear.RealMatrix scaleMatrix(org.apache.commons.math3.geometry.euclidean.threed.Vector3D scaleVector)

Creates scale matrix.

Parameters:

scaleVector - which components are scale parameters.

Returns:

scale matrix.

transform

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D transform(org.apache.commons.math3.geometry.euclidean.threed.Vector3D vector,
                                                                                    org.apache.commons.math3.linear.RealMatrix m)

Transform vector by this matrix.

Parameters:

vector - to be transformed.

m - The 4x4 matrix to transform the vector by

Returns:

transformed vector.

transformDirectionless

public static org.apache.commons.math3.geometry.euclidean.threed.Vector3D transformDirectionless(org.apache.commons.math3.geometry.euclidean.threed.Vector3D vector,
                                                                                                 org.apache.commons.math3.linear.RealMatrix m)

Transform vector by this matrix.

Parameters:

vector - to be transformed.

m - The 4x4 matrix to transform the vector by

Returns:

transformed vector.