Package com.mojang.math

Class MatrixUtil

java.lang.Object

com.mojang.math.MatrixUtil

public class MatrixUtil
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static final float	G
private static final GivensParameters	PI_4

Constructor Summary

Constructors

Modifier	Constructor	Description
private	MatrixUtil()

Method Summary

Modifier and Type	Method	Description
private static GivensParameters	approxGivensQuat(float pTopCorner, float pOppositeDiagonalAverage, float pBottomCorner)
static boolean	checkProperty(Matrix4fc pMatrix, int pProperty)
private static boolean	checkPropertyRaw(Matrix4fc pMatrix, int pProperty)
static Quaternionf	eigenvalueJacobi(Matrix3f pInput, int pIterations)
static boolean	isIdentity(Matrix4fc pMatrix)
static boolean	isOrthonormal(Matrix4fc pMatrix)
static boolean	isPureTranslation(Matrix4fc pMatrix)
static Matrix4f	mulComponentWise(Matrix4f pMatrix, float pScalar)
private static GivensParameters	qrGivensQuat(float pInput1, float pInput2)
private static void	similarityTransform(Matrix3f pInput, Matrix3f pTempStorage)
private static void	stepJacobi(Matrix3f pInput, Matrix3f pTempStorage, Quaternionf pResultEigenvector, Quaternionf pResultEigenvalue)
static org.apache.commons.lang3.tuple.Triple<Quaternionf,Vector3f,Quaternionf>	svdDecompose(Matrix3f pMatrix)

Methods inherited from class java.lang.Object

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

Field Details

G

private static final float G

PI_4

private static final GivensParameters PI_4

Constructor Details

MatrixUtil

private MatrixUtil()

Method Details

mulComponentWise

public static Matrix4f mulComponentWise(Matrix4f pMatrix,
 float pScalar)

approxGivensQuat

private static GivensParameters approxGivensQuat(float pTopCorner,
 float pOppositeDiagonalAverage,
 float pBottomCorner)

qrGivensQuat

private static GivensParameters qrGivensQuat(float pInput1,
 float pInput2)

similarityTransform

private static void similarityTransform(Matrix3f pInput,
 Matrix3f pTempStorage)

stepJacobi

private static void stepJacobi(Matrix3f pInput,
 Matrix3f pTempStorage,
 Quaternionf pResultEigenvector,
 Quaternionf pResultEigenvalue)

eigenvalueJacobi

public static Quaternionf eigenvalueJacobi(Matrix3f pInput,
 int pIterations)

svdDecompose

public static org.apache.commons.lang3.tuple.Triple<Quaternionf,Vector3f,Quaternionf> svdDecompose(Matrix3f pMatrix)

checkPropertyRaw

private static boolean checkPropertyRaw(Matrix4fc pMatrix,
 int pProperty)

checkProperty

public static boolean checkProperty(Matrix4fc pMatrix,
 int pProperty)

isIdentity

public static boolean isIdentity(Matrix4fc pMatrix)

isPureTranslation

public static boolean isPureTranslation(Matrix4fc pMatrix)

isOrthonormal

public static boolean isOrthonormal(Matrix4fc pMatrix)