MathHelper (forge 1.15.2-31.2.47)

java.lang.Object
- net.minecraft.util.math.MathHelper

public class MathHelper
extends java.lang.Object

Field Summary

Fields
Modifier and Type	Field and Description
`private static double[]`	`ASINE_TAB`
`private static double[]`	`COS_TAB`
`private static double`	`FRAC_BIAS`
`private static int[]`	`MULTIPLY_DE_BRUIJN_BIT_POSITION`
`private static java.util.Random`	`RANDOM`
`private static float[]`	`SIN_TABLE`
`static float`	`SQRT_2`

Constructor Summary

Constructors
Constructor and Description

MathHelper()

Constructors
Constructor and Description
`MathHelper()`

Method Summary

All Methods Static Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`static float`	`abs(float value)`
`static int`	`abs(int value)`
`static int`	`absFloor(double value)`
`static double`	`absMax(double x, double y)`
`static float`	`approach(float p_203300_0_, float p_203300_1_, float p_203300_2_)`
`static float`	`approachDegrees(float p_203303_0_, float p_203303_1_, float p_203303_2_)`
`static double`	`atan2(double p_181159_0_, double p_181159_2_)`
`static double`	`average(long[] values)`
`static int`	`binarySearch(int min, int max, java.util.function.IntPredicate isTargetBeforeOrAt)`
`static int`	`ceil(double value)`
`static int`	`ceil(float value)`
`static double`	`clamp(double num, double min, double max)`
`static float`	`clamp(float num, float min, float max)`
`static int`	`clamp(int num, int min, int max)`
`static long`	`clamp(long num, long min, long max)`
`static double`	`clampedLerp(double lowerBnd, double upperBnd, double slide)`
`static float`	`cos(float value)`
`static float`	`degreesDifferenceAbs(float p_203301_0_, float p_203301_1_)`
`static boolean`	`epsilonEquals(double x, double y)`
`static boolean`	`epsilonEquals(float x, float y)`
`static int`	`fastFloor(double value)`
`static float`	`fastInvCubeRoot(float number)`
`static double`	`fastInvSqrt(double number)`
`static float`	`fastInvSqrt(float number)`
`static int`	`floor(double value)`
`static int`	`floor(float value)`
`static double`	`frac(double number)`
`static float`	`frac(float number)`
`static float`	`func_219800_b(float p_219800_0_, float p_219800_1_, float p_219800_2_)`
`static long`	`getCoordinateRandom(int x, int y, int z)`
`static double`	`getDouble(java.lang.String value, double defaultValue)`
`static double`	`getDouble(java.lang.String value, double defaultValue, double max)`
`static int`	`getInt(java.lang.String value, int defaultValue)`
`static int`	`getInt(java.lang.String value, int defaultValue, int max)`
`static long`	`getPositionRandom(Vec3i pos)`
`static java.util.UUID`	`getRandomUUID()`
`static java.util.UUID`	`getRandomUUID(java.util.Random rand)`
`static int`	`hash(int p_188208_0_)`
`static int`	`hsvToRGB(float hue, float saturation, float value)`
`static float`	`interpolateAngle(float p_219805_0_, float p_219805_1_, float p_219805_2_)`
`static int`	`intFloorDiv(int x, int y)`
`private static boolean`	`isPowerOfTwo(int value)`
`static double`	`lerp(double pct, double start, double end)`
`static float`	`lerp(float pct, float start, float end)`
`static double`	`lerp2(double p_219804_0_, double p_219804_2_, double p_219804_4_, double p_219804_6_, double p_219804_8_, double p_219804_10_)`
`static double`	`lerp3(double p_219807_0_, double p_219807_2_, double p_219807_4_, double p_219807_6_, double p_219807_8_, double p_219807_10_, double p_219807_12_, double p_219807_14_, double p_219807_16_, double p_219807_18_, double p_219807_20_)`
`static long`	`lfloor(double value)`
`static int`	`log2(int value)`
`static int`	`log2DeBruijn(int value)`
`static double`	`nextDouble(java.util.Random random, double minimum, double maximum)`
`static float`	`nextFloat(java.util.Random random, float minimum, float maximum)`
`static int`	`nextInt(java.util.Random random, int minimum, int maximum)`
`static int`	`normalizeAngle(int x, int y)`
`static double`	`pct(double p_181160_0_, double p_181160_2_, double p_181160_4_)`
`static double`	`perlinFade(double p_219801_0_)`
`static double`	`positiveModulo(double numerator, double denominator)`
`static float`	`positiveModulo(float numerator, float denominator)`
`static int`	`rgb(float rIn, float gIn, float bIn)`
`static int`	`rgb(int rIn, int gIn, int bIn)`
`static float`	`rotLerp(float p_226167_0_, float p_226167_1_, float p_226167_2_)` Deprecated.
`static float`	`rotWrap(double p_226168_0_)` Deprecated.
`static int`	`roundUp(int number, int interval)`
`static int`	`signum(double x)`
`static float`	`sin(float value)`
`static int`	`smallestEncompassingPowerOfTwo(int value)`
`static float`	`sqrt(double value)`
`static float`	`sqrt(float value)`
`static double`	`wrapDegrees(double value)`
`static float`	`wrapDegrees(float value)`
`static int`	`wrapDegrees(int angle)`
`static float`	`wrapSubtractDegrees(float p_203302_0_, float p_203302_1_)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SQRT_2
```
public static final float SQRT_2
```

SIN_TABLE
```
private static final float[] SIN_TABLE
```

RANDOM

private static final java.util.Random RANDOM

MULTIPLY_DE_BRUIJN_BIT_POSITION

private static final int[] MULTIPLY_DE_BRUIJN_BIT_POSITION

FRAC_BIAS
```
private static final double FRAC_BIAS
```

ASINE_TAB

private static final double[] ASINE_TAB

COS_TAB
```
private static final double[] COS_TAB
```

Constructor Detail
- MathHelper
```
public MathHelper()
```

Method Detail

sin
```
public static float sin(float value)
```

cos
```
public static float cos(float value)
```

sqrt

public static float sqrt(float value)

sqrt

public static float sqrt(double value)

floor
```
public static int floor(float value)
```

fastFloor

public static int fastFloor(double value)

floor

public static int floor(double value)

lfloor

public static long lfloor(double value)

absFloor

public static int absFloor(double value)

abs
```
public static float abs(float value)
```

abs
```
public static int abs(int value)
```

ceil
```
public static int ceil(float value)
```

ceil
```
public static int ceil(double value)
```

clamp

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

clamp

public static long clamp(long num,
                         long min,
                         long max)

clamp

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

clamp

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

clampedLerp

public static double clampedLerp(double lowerBnd,
                                 double upperBnd,
                                 double slide)

absMax

public static double absMax(double x,
                            double y)

intFloorDiv

public static int intFloorDiv(int x,
                              int y)

nextInt

public static int nextInt(java.util.Random random,
                          int minimum,
                          int maximum)

nextFloat

public static float nextFloat(java.util.Random random,
                              float minimum,
                              float maximum)

nextDouble

public static double nextDouble(java.util.Random random,
                                double minimum,
                                double maximum)

average

public static double average(long[] values)

epsilonEquals

public static boolean epsilonEquals(float x,
                                    float y)

epsilonEquals

public static boolean epsilonEquals(double x,
                                    double y)

normalizeAngle

public static int normalizeAngle(int x,
                                 int y)

positiveModulo

public static float positiveModulo(float numerator,
                                   float denominator)

positiveModulo

public static double positiveModulo(double numerator,
                                    double denominator)

wrapDegrees

public static int wrapDegrees(int angle)

wrapDegrees

public static float wrapDegrees(float value)

wrapDegrees

public static double wrapDegrees(double value)

wrapSubtractDegrees

public static float wrapSubtractDegrees(float p_203302_0_,
                                        float p_203302_1_)

degreesDifferenceAbs

public static float degreesDifferenceAbs(float p_203301_0_,
                                         float p_203301_1_)

func_219800_b

public static float func_219800_b(float p_219800_0_,
                                  float p_219800_1_,
                                  float p_219800_2_)

approach

public static float approach(float p_203300_0_,
                             float p_203300_1_,
                             float p_203300_2_)

approachDegrees

public static float approachDegrees(float p_203303_0_,
                                    float p_203303_1_,
                                    float p_203303_2_)

getInt

public static int getInt(java.lang.String value,
                         int defaultValue)

getInt

public static int getInt(java.lang.String value,
                         int defaultValue,
                         int max)

getDouble

public static double getDouble(java.lang.String value,
                               double defaultValue)

getDouble

public static double getDouble(java.lang.String value,
                               double defaultValue,
                               double max)

smallestEncompassingPowerOfTwo

public static int smallestEncompassingPowerOfTwo(int value)

isPowerOfTwo

private static boolean isPowerOfTwo(int value)

log2DeBruijn

public static int log2DeBruijn(int value)

log2
```
public static int log2(int value)
```

roundUp

public static int roundUp(int number,
                          int interval)

rgb

public static int rgb(float rIn,
                      float gIn,
                      float bIn)

rgb

public static int rgb(int rIn,
                      int gIn,
                      int bIn)

frac

public static float frac(float number)

frac

public static double frac(double number)

getPositionRandom

public static long getPositionRandom(Vec3i pos)

getCoordinateRandom

public static long getCoordinateRandom(int x,
                                       int y,
                                       int z)

getRandomUUID

public static java.util.UUID getRandomUUID(java.util.Random rand)

getRandomUUID

public static java.util.UUID getRandomUUID()

pct

public static double pct(double p_181160_0_,
                         double p_181160_2_,
                         double p_181160_4_)

atan2

public static double atan2(double p_181159_0_,
                           double p_181159_2_)

fastInvSqrt

public static float fastInvSqrt(float number)

fastInvSqrt

public static double fastInvSqrt(double number)

fastInvCubeRoot

public static float fastInvCubeRoot(float number)

hsvToRGB

public static int hsvToRGB(float hue,
                           float saturation,
                           float value)

hash

public static int hash(int p_188208_0_)

binarySearch

public static int binarySearch(int min,
                               int max,
                               java.util.function.IntPredicate isTargetBeforeOrAt)

lerp

public static float lerp(float pct,
                         float start,
                         float end)

lerp

public static double lerp(double pct,
                          double start,
                          double end)

lerp2

public static double lerp2(double p_219804_0_,
                           double p_219804_2_,
                           double p_219804_4_,
                           double p_219804_6_,
                           double p_219804_8_,
                           double p_219804_10_)

lerp3

public static double lerp3(double p_219807_0_,
                           double p_219807_2_,
                           double p_219807_4_,
                           double p_219807_6_,
                           double p_219807_8_,
                           double p_219807_10_,
                           double p_219807_12_,
                           double p_219807_14_,
                           double p_219807_16_,
                           double p_219807_18_,
                           double p_219807_20_)

perlinFade

public static double perlinFade(double p_219801_0_)

signum
```
public static int signum(double x)
```

interpolateAngle

public static float interpolateAngle(float p_219805_0_,
                                     float p_219805_1_,
                                     float p_219805_2_)

rotLerp

@Deprecated
public static float rotLerp(float p_226167_0_,
                                        float p_226167_1_,
                                        float p_226167_2_)

Deprecated.

rotWrap

@Deprecated
public static float rotWrap(double p_226168_0_)

Deprecated.

Class MathHelper

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

SQRT_2

SIN_TABLE

RANDOM

MULTIPLY_DE_BRUIJN_BIT_POSITION

FRAC_BIAS

ASINE_TAB

COS_TAB

Constructor Detail

MathHelper

Method Detail

sin

cos

sqrt

sqrt

floor

fastFloor

floor

lfloor

absFloor

abs

abs

ceil

ceil

clamp

clamp

clamp

clamp

clampedLerp

absMax

intFloorDiv

nextInt

nextFloat

nextDouble

average

epsilonEquals

epsilonEquals

normalizeAngle

positiveModulo

positiveModulo

wrapDegrees

wrapDegrees

wrapDegrees

wrapSubtractDegrees

degreesDifferenceAbs

func_219800_b

approach

approachDegrees

getInt

getInt

getDouble

getDouble

smallestEncompassingPowerOfTwo

isPowerOfTwo

log2DeBruijn

log2

roundUp

rgb

rgb

frac

frac

getPositionRandom

getCoordinateRandom

getRandomUUID

getRandomUUID

pct

atan2

fastInvSqrt

fastInvSqrt

fastInvCubeRoot

hsvToRGB

hash

binarySearch

lerp

lerp