Package net.minecraft.util.math

Class MathHelper

java.lang.Object

net.minecraft.util.math.MathHelper

public class MathHelper
extends Object

Mappings:

Namespace	Name
official	on
intermediary	net/minecraft/class_837
named	net/minecraft/util/math/MathHelper

Field Summary

Fields

Modifier and Type	Field	Description
private static final double[]	ARCSINE_TABLE
private static final double[]	COSINE_TABLE
private static final int[]	MULTIPLY_DE_BRUIJN_BIT_POSITION
private static final Random	RANDOM
private static final float[]	SINE_TABLE
private static final double	SMALLEST_FRACTION_FREE_DOUBLE
static final float	SQUARE_ROOT_OF_TWO

Constructor Summary

Constructors

Constructor	Description
MathHelper()

Method Summary

Modifier and Type	Method	Description
static float	abs(float f)
static int	abs(int i)
static int	absFloor(double d)
static double	absMax(double a, double b)
static boolean	approximatelyEquals(float a, float b)
static double	atan2(double y, double x)
static double	average(long[] array)
static int	ceil(double d)
static int	ceil(float f)
static double	clamp(double value, double min, double max)
static float	clamp(float value, float min, float max)
static int	clamp(int value, int min, int max)
static double	clampedLerp(double start, double end, double delta)
static float	cos(float f)
static int	fastFloor(double d)
static double	fastInverseSqrt(double x)
static int	floor(double d)
static int	floor(float f)
static int	floorDiv(int dividend, int divisor)
static float	floorMod(float dividend, float divisor)
static int	floorMod(int dividend, int divisor)
static double	fractionalPart(double value)
static long	hashCode(int x, int y, int z)
static long	hashCode(Vec3i vec)
static int	hsvToRgb(float hue, float saturation, float value)
static int	idealHash(int value)
private static boolean	isPowerOfTwo(int value)
static long	lfloor(double d)
static int	log2(int value)
static int	log2DeBruijn(int value)
static double	minusDiv(double numerator, double delta, double denominator)
static int	multiplyColors(int color1, int color2)
static double	nextDouble(Random random, double min, double max)
static float	nextFloat(Random random, float min, float max)
static int	nextInt(Random random, int min, int max)
static int	packRgb(float r, float g, float b)
static int	packRgb(int r, int g, int b)
static double	parseDouble(String string, double fallback)
static double	parseDouble(String string, double fallback, double minimum)
static int	parseInt(String string, int fallback)
static int	parseInt(String string, int fallback, int minimum)
static UUID	randomUuid()
static UUID	randomUuid(Random random)
static int	roundUp(int int2, int int3)
static float	sin(float f)
static int	smallestEncompassingPowerOfTwo(int value)
static float	sqrt(double d)
static float	sqrt(float f)
static double	wrapDegrees(double degrees)
static float	wrapDegrees(float degrees)
static int	wrapDegrees(int degrees)

Methods inherited from class java.lang.Object

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

Field Details

SQUARE_ROOT_OF_TWO

public static final float SQUARE_ROOT_OF_TWO

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a:F
intermediary	field_11855	Lnet/minecraft/class_837;field_11855:F
named	SQUARE_ROOT_OF_TWO	Lnet/minecraft/util/math/MathHelper;SQUARE_ROOT_OF_TWO:F

SINE_TABLE

private static final float[] SINE_TABLE

Mappings:

Namespace	Name	Mixin selector
official	b	Lon;b:[F
intermediary	field_3085	Lnet/minecraft/class_837;field_3085:[F
named	SINE_TABLE	Lnet/minecraft/util/math/MathHelper;SINE_TABLE:[F

RANDOM

private static final Random RANDOM

Mappings:

Namespace	Name	Mixin selector
official	c	Lon;c:Ljava/util/Random;
intermediary	field_14378	Lnet/minecraft/class_837;field_14378:Ljava/util/Random;
named	RANDOM	Lnet/minecraft/util/math/MathHelper;RANDOM:Ljava/util/Random;

MULTIPLY_DE_BRUIJN_BIT_POSITION

private static final int[] MULTIPLY_DE_BRUIJN_BIT_POSITION

Mappings:

Namespace	Name	Mixin selector
official	d	Lon;d:[I
intermediary	field_9065	Lnet/minecraft/class_837;field_9065:[I
named	MULTIPLY_DE_BRUIJN_BIT_POSITION	Lnet/minecraft/util/math/MathHelper;MULTIPLY_DE_BRUIJN_BIT_POSITION:[I

SMALLEST_FRACTION_FREE_DOUBLE

private static final double SMALLEST_FRACTION_FREE_DOUBLE

Mappings:

Namespace	Name	Mixin selector
official	e	Lon;e:D
intermediary	field_11856	Lnet/minecraft/class_837;field_11856:D
named	SMALLEST_FRACTION_FREE_DOUBLE	Lnet/minecraft/util/math/MathHelper;SMALLEST_FRACTION_FREE_DOUBLE:D

ARCSINE_TABLE

private static final double[] ARCSINE_TABLE

Mappings:

Namespace	Name	Mixin selector
official	f	Lon;f:[D
intermediary	field_11857	Lnet/minecraft/class_837;field_11857:[D
named	ARCSINE_TABLE	Lnet/minecraft/util/math/MathHelper;ARCSINE_TABLE:[D

COSINE_TABLE

private static final double[] COSINE_TABLE

Mappings:

Namespace	Name	Mixin selector
official	g	Lon;g:[D
intermediary	field_11858	Lnet/minecraft/class_837;field_11858:[D
named	COSINE_TABLE	Lnet/minecraft/util/math/MathHelper;COSINE_TABLE:[D

Constructor Details

MathHelper

public MathHelper()

Method Details

sin

public static float sin(float f)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(F)F
intermediary	method_2335	Lnet/minecraft/class_837;method_2335(F)F
named	sin	Lnet/minecraft/util/math/MathHelper;sin(F)F

cos

public static float cos(float f)

Mappings:

Namespace	Name	Mixin selector
official	b	Lon;b(F)F
intermediary	method_2344	Lnet/minecraft/class_837;method_2344(F)F
named	cos	Lnet/minecraft/util/math/MathHelper;cos(F)F

sqrt

public static float sqrt(float f)

Mappings:

Namespace	Name	Mixin selector
official	c	Lon;c(F)F
intermediary	method_2346	Lnet/minecraft/class_837;method_2346(F)F
named	sqrt	Lnet/minecraft/util/math/MathHelper;sqrt(F)F

sqrt

public static float sqrt(double d)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(D)F
intermediary	method_2333	Lnet/minecraft/class_837;method_2333(D)F
named	sqrt	Lnet/minecraft/util/math/MathHelper;sqrt(D)F

floor

public static int floor(float f)

Mappings:

Namespace	Name	Mixin selector
official	d	Lon;d(F)I
intermediary	method_2348	Lnet/minecraft/class_837;method_2348(F)I
named	floor	Lnet/minecraft/util/math/MathHelper;floor(F)I

fastFloor

@Environment(CLIENT)
public static int fastFloor(double d)

Mappings:

Namespace	Name	Mixin selector
official	b	Lon;b(D)I
intermediary	method_2343	Lnet/minecraft/class_837;method_2343(D)I
named	fastFloor	Lnet/minecraft/util/math/MathHelper;fastFloor(D)I

floor

public static int floor(double d)

Mappings:

Namespace	Name	Mixin selector
official	c	Lon;c(D)I
intermediary	method_2345	Lnet/minecraft/class_837;method_2345(D)I
named	floor	Lnet/minecraft/util/math/MathHelper;floor(D)I

lfloor

public static long lfloor(double d)

Mappings:

Namespace	Name	Mixin selector
official	d	Lon;d(D)J
intermediary	method_2347	Lnet/minecraft/class_837;method_2347(D)J
named	lfloor	Lnet/minecraft/util/math/MathHelper;lfloor(D)J

absFloor

@Environment(CLIENT)
public static int absFloor(double d)

Mappings:

Namespace	Name	Mixin selector
official	e	Lon;e(D)I
intermediary	method_8346	Lnet/minecraft/class_837;method_8346(D)I
named	absFloor	Lnet/minecraft/util/math/MathHelper;absFloor(D)I

abs

public static float abs(float f)

Mappings:

Namespace	Name	Mixin selector
official	e	Lon;e(F)F
intermediary	method_2349	Lnet/minecraft/class_837;method_2349(F)F
named	abs	Lnet/minecraft/util/math/MathHelper;abs(F)F

abs

public static int abs(int i)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(I)I
intermediary	method_2337	Lnet/minecraft/class_837;method_2337(I)I
named	abs	Lnet/minecraft/util/math/MathHelper;abs(I)I

ceil

public static int ceil(float f)

Mappings:

Namespace	Name	Mixin selector
official	f	Lon;f(F)I
intermediary	method_2351	Lnet/minecraft/class_837;method_2351(F)I
named	ceil	Lnet/minecraft/util/math/MathHelper;ceil(F)I

ceil

public static int ceil(double d)

Mappings:

Namespace	Name	Mixin selector
official	f	Lon;f(D)I
intermediary	method_2350	Lnet/minecraft/class_837;method_2350(D)I
named	ceil	Lnet/minecraft/util/math/MathHelper;ceil(D)I

clamp

public static int clamp(int value,
 int min,
 int max)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(III)I
intermediary	method_2339	Lnet/minecraft/class_837;method_2339(III)I
named	clamp	Lnet/minecraft/util/math/MathHelper;clamp(III)I

clamp

public static float clamp(float value,
 float min,
 float max)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(FFF)F
intermediary	method_2336	Lnet/minecraft/class_837;method_2336(FFF)F
named	clamp	Lnet/minecraft/util/math/MathHelper;clamp(FFF)F

clamp

public static double clamp(double value,
 double min,
 double max)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(DDD)D
intermediary	method_8339	Lnet/minecraft/class_837;method_8339(DDD)D
named	clamp	Lnet/minecraft/util/math/MathHelper;clamp(DDD)D

clampedLerp

public static double clampedLerp(double start,
 double end,
 double delta)

Mappings:

Namespace	Name	Mixin selector
official	b	Lon;b(DDD)D
intermediary	method_8341	Lnet/minecraft/class_837;method_8341(DDD)D
named	clampedLerp	Lnet/minecraft/util/math/MathHelper;clampedLerp(DDD)D

absMax

public static double absMax(double a,
 double b)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(DD)D
intermediary	method_2334	Lnet/minecraft/class_837;method_2334(DD)D
named	absMax	Lnet/minecraft/util/math/MathHelper;absMax(DD)D

floorDiv

@Environment(CLIENT)
public static int floorDiv(int dividend,
 int divisor)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(II)I
intermediary	method_2338	Lnet/minecraft/class_837;method_2338(II)I
named	floorDiv	Lnet/minecraft/util/math/MathHelper;floorDiv(II)I

nextInt

public static int nextInt(Random random,
 int min,
 int max)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(Ljava/util/Random;II)I
intermediary	method_2341	Lnet/minecraft/class_837;method_2341(Ljava/util/Random;II)I
named	nextInt	Lnet/minecraft/util/math/MathHelper;nextInt(Ljava/util/Random;II)I

nextFloat

public static float nextFloat(Random random,
 float min,
 float max)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(Ljava/util/Random;FF)F
intermediary	method_8340	Lnet/minecraft/class_837;method_8340(Ljava/util/Random;FF)F
named	nextFloat	Lnet/minecraft/util/math/MathHelper;nextFloat(Ljava/util/Random;FF)F

nextDouble

public static double nextDouble(Random random,
 double min,
 double max)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(Ljava/util/Random;DD)D
intermediary	method_4420	Lnet/minecraft/class_837;method_4420(Ljava/util/Random;DD)D
named	nextDouble	Lnet/minecraft/util/math/MathHelper;nextDouble(Ljava/util/Random;DD)D

average

public static double average(long[] array)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a([J)D
intermediary	method_2342	Lnet/minecraft/class_837;method_2342([J)D
named	average	Lnet/minecraft/util/math/MathHelper;average([J)D

approximatelyEquals

@Environment(CLIENT)
public static boolean approximatelyEquals(float a,
 float b)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(FF)Z
intermediary	method_10839	Lnet/minecraft/class_837;method_10839(FF)Z
named	approximatelyEquals	Lnet/minecraft/util/math/MathHelper;approximatelyEquals(FF)Z

floorMod

@Environment(CLIENT)
public static int floorMod(int dividend,
 int divisor)

Mappings:

Namespace	Name	Mixin selector
official	b	Lon;b(II)I
intermediary	method_10844	Lnet/minecraft/class_837;method_10844(II)I
named	floorMod	Lnet/minecraft/util/math/MathHelper;floorMod(II)I

floorMod

@Environment(CLIENT)
public static float floorMod(float dividend,
 float divisor)

Mappings:

Namespace	Name	Mixin selector
official	b	Lon;b(FF)F
intermediary	method_12879	Lnet/minecraft/class_837;method_12879(FF)F
named	floorMod	Lnet/minecraft/util/math/MathHelper;floorMod(FF)F

wrapDegrees

public static float wrapDegrees(float degrees)

Mappings:

Namespace	Name	Mixin selector
official	g	Lon;g(F)F
intermediary	method_2353	Lnet/minecraft/class_837;method_2353(F)F
named	wrapDegrees	Lnet/minecraft/util/math/MathHelper;wrapDegrees(F)F

wrapDegrees

public static double wrapDegrees(double degrees)

Mappings:

Namespace	Name	Mixin selector
official	g	Lon;g(D)D
intermediary	method_2352	Lnet/minecraft/class_837;method_2352(D)D
named	wrapDegrees	Lnet/minecraft/util/math/MathHelper;wrapDegrees(D)D

wrapDegrees

public static int wrapDegrees(int degrees)

Mappings:

Namespace	Name	Mixin selector
official	b	Lon;b(I)I
intermediary	method_12880	Lnet/minecraft/class_837;method_12880(I)I
named	wrapDegrees	Lnet/minecraft/util/math/MathHelper;wrapDegrees(I)I

parseInt

public static int parseInt(String string,
 int fallback)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(Ljava/lang/String;I)I
intermediary	method_4418	Lnet/minecraft/class_837;method_4418(Ljava/lang/String;I)I
named	parseInt	Lnet/minecraft/util/math/MathHelper;parseInt(Ljava/lang/String;I)I

parseInt

public static int parseInt(String string,
 int fallback,
 int minimum)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(Ljava/lang/String;II)I
intermediary	method_4419	Lnet/minecraft/class_837;method_4419(Ljava/lang/String;II)I
named	parseInt	Lnet/minecraft/util/math/MathHelper;parseInt(Ljava/lang/String;II)I

parseDouble

public static double parseDouble(String string,
 double fallback)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(Ljava/lang/String;D)D
intermediary	method_4416	Lnet/minecraft/class_837;method_4416(Ljava/lang/String;D)D
named	parseDouble	Lnet/minecraft/util/math/MathHelper;parseDouble(Ljava/lang/String;D)D

parseDouble

public static double parseDouble(String string,
 double fallback,
 double minimum)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(Ljava/lang/String;DD)D
intermediary	method_4417	Lnet/minecraft/class_837;method_4417(Ljava/lang/String;DD)D
named	parseDouble	Lnet/minecraft/util/math/MathHelper;parseDouble(Ljava/lang/String;DD)D

smallestEncompassingPowerOfTwo

public static int smallestEncompassingPowerOfTwo(int value)

Mappings:

Namespace	Name	Mixin selector
official	c	Lon;c(I)I
intermediary	method_8342	Lnet/minecraft/class_837;method_8342(I)I
named	smallestEncompassingPowerOfTwo	Lnet/minecraft/util/math/MathHelper;smallestEncompassingPowerOfTwo(I)I

isPowerOfTwo

private static boolean isPowerOfTwo(int value)

Mappings:

Namespace	Name	Mixin selector
official	g	Lon;g(I)Z
intermediary	method_8345	Lnet/minecraft/class_837;method_8345(I)Z
named	isPowerOfTwo	Lnet/minecraft/util/math/MathHelper;isPowerOfTwo(I)Z

log2DeBruijn

public static int log2DeBruijn(int value)

Mappings:

Namespace	Name	Mixin selector
official	d	Lon;d(I)I
intermediary	method_8347	Lnet/minecraft/class_837;method_8347(I)I
named	log2DeBruijn	Lnet/minecraft/util/math/MathHelper;log2DeBruijn(I)I

log2

public static int log2(int value)

Mappings:

Namespace	Name	Mixin selector
official	e	Lon;e(I)I
intermediary	method_8344	Lnet/minecraft/class_837;method_8344(I)I
named	log2	Lnet/minecraft/util/math/MathHelper;log2(I)I

roundUp

public static int roundUp(int int2,
 int int3)

Mappings:

Namespace	Name	Mixin selector
official	c	Lon;c(II)I
intermediary	method_8343	Lnet/minecraft/class_837;method_8343(II)I
named	roundUp	Lnet/minecraft/util/math/MathHelper;roundUp(II)I

packRgb

@Environment(CLIENT)
public static int packRgb(float r,
 float g,
 float b)

Mappings:

Namespace	Name	Mixin selector
official	b	Lon;b(FFF)I
intermediary	method_10843	Lnet/minecraft/class_837;method_10843(FFF)I
named	packRgb	Lnet/minecraft/util/math/MathHelper;packRgb(FFF)I

packRgb

@Environment(CLIENT)
public static int packRgb(int r,
 int g,
 int b)

Mappings:

Namespace	Name	Mixin selector
official	b	Lon;b(III)I
intermediary	method_10845	Lnet/minecraft/class_837;method_10845(III)I
named	packRgb	Lnet/minecraft/util/math/MathHelper;packRgb(III)I

multiplyColors

@Environment(CLIENT)
public static int multiplyColors(int color1,
 int color2)

Mappings:

Namespace	Name	Mixin selector
official	d	Lon;d(II)I
intermediary	method_10849	Lnet/minecraft/class_837;method_10849(II)I
named	multiplyColors	Lnet/minecraft/util/math/MathHelper;multiplyColors(II)I

fractionalPart

@Environment(CLIENT)
public static double fractionalPart(double value)

Mappings:

Namespace	Name	Mixin selector
official	h	Lon;h(D)D
intermediary	method_10850	Lnet/minecraft/class_837;method_10850(D)D
named	fractionalPart	Lnet/minecraft/util/math/MathHelper;fractionalPart(D)D

hashCode

@Environment(CLIENT)
public static long hashCode(Vec3i vec)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(Ldh;)J
intermediary	method_10840	Lnet/minecraft/class_837;method_10840(Lnet/minecraft/class_1167;)J
named	hashCode	Lnet/minecraft/util/math/MathHelper;hashCode(Lnet/minecraft/util/math/Vec3i;)J

hashCode

@Environment(CLIENT)
public static long hashCode(int x,
 int y,
 int z)

Mappings:

Namespace	Name	Mixin selector
official	c	Lon;c(III)J
intermediary	method_10848	Lnet/minecraft/class_837;method_10848(III)J
named	hashCode	Lnet/minecraft/util/math/MathHelper;hashCode(III)J

randomUuid

public static UUID randomUuid(Random random)

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a(Ljava/util/Random;)Ljava/util/UUID;
intermediary	method_10841	Lnet/minecraft/class_837;method_10841(Ljava/util/Random;)Ljava/util/UUID;
named	randomUuid	Lnet/minecraft/util/math/MathHelper;randomUuid(Ljava/util/Random;)Ljava/util/UUID;

randomUuid

public static UUID randomUuid()

Mappings:

Namespace	Name	Mixin selector
official	a	Lon;a()Ljava/util/UUID;
intermediary	method_12878	Lnet/minecraft/class_837;method_12878()Ljava/util/UUID;
named	randomUuid	Lnet/minecraft/util/math/MathHelper;randomUuid()Ljava/util/UUID;

minusDiv

public static double minusDiv(double numerator,
 double delta,
 double denominator)

Mappings:

Namespace	Name	Mixin selector
official	c	Lon;c(DDD)D
intermediary	method_10846	Lnet/minecraft/class_837;method_10846(DDD)D
named	minusDiv	Lnet/minecraft/util/math/MathHelper;minusDiv(DDD)D

atan2

public static double atan2(double y,
 double x)

Mappings:

Namespace	Name	Mixin selector
official	b	Lon;b(DD)D
intermediary	method_10842	Lnet/minecraft/class_837;method_10842(DD)D
named	atan2	Lnet/minecraft/util/math/MathHelper;atan2(DD)D

fastInverseSqrt

public static double fastInverseSqrt(double x)

Mappings:

Namespace	Name	Mixin selector
official	i	Lon;i(D)D
intermediary	method_10851	Lnet/minecraft/class_837;method_10851(D)D
named	fastInverseSqrt	Lnet/minecraft/util/math/MathHelper;fastInverseSqrt(D)D

hsvToRgb

@Environment(CLIENT)
public static int hsvToRgb(float hue,
 float saturation,
 float value)

Mappings:

Namespace	Name	Mixin selector
official	c	Lon;c(FFF)I
intermediary	method_10847	Lnet/minecraft/class_837;method_10847(FFF)I
named	hsvToRgb	Lnet/minecraft/util/math/MathHelper;hsvToRgb(FFF)I

idealHash

public static int idealHash(int value)

Mappings:

Namespace	Name	Mixin selector
official	f	Lon;f(I)I
intermediary	method_12881	Lnet/minecraft/class_837;method_12881(I)I
named	idealHash	Lnet/minecraft/util/math/MathHelper;idealHash(I)I