com.bonzaiengine.math

Class MathFunc

java.lang.Object

com.bonzaiengine.math.MathFunc

public final class MathFunc
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static float	PI
static float	SCALE_EPSILON

Method Summary

Modifier and Type	Method and Description
static float	abs(float a)
static int	abs(int a)
static float	acos(float a)
static float	asin(float a)
static float	atan(float a)
static float	atan2(float a, float b)
static float	clamp(float a, float min, float max)
static int	clamp(int a, int min, int max)
static float	clampAngle(float angle, float min, float max)
static int	clampRound(float a, int min, int max)
static int	compare(int x, int y)
static float	cos(float a)
static float	exp(float a)
static int	floor(float f)
static int	greaterPowerOfTwo(int value)
static int[]	indiceSetToArray(java.util.TreeSet<java.lang.Integer> indiceSet)
static float	interpolate(float cur, float next, float t)
static int	interpolate(int cur, int next, float t)
static boolean	isFloatEquals(float f1, float f2, float epsilon)
static boolean	isFloatValid(float f)
static boolean	isOneScale(float scl)
static boolean	isPowerOfTwo(int i)
static boolean	isQuaternionValid(Quat q)
static boolean	isVectorValid(Vec3 vector)
static float	log(float a)
static float	max(float a, float b)
static int	max(int a, int b)
static float	min(float a, float b)
static int	min(int a, int b)
static int	nearestPowerOfTwo(int value)
static int[]	pascal(int length)
static float	pow(float a, float b)
static float	pow(float base, int exp) Exponentiation by squaring: http://en.wikipedia.org/wiki/Exponentiation_by_squaring
static java.util.Random	random()
static float	sign(float a)
static int	sign(int a)
static float	sin(float a)
static float	sqrt(float a)
static int	sum(int[] array)
static float	tan(float a)
static float[]	timeSetToArray(java.util.TreeSet<java.lang.Float> timeSet)
static float	toDegrees(float radians)
static float	toRadians(float degrees)

Methods inherited from class java.lang.Object

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

Field Detail

PI

public static final float PI

See Also:

Constant Field Values

SCALE_EPSILON

public static final float SCALE_EPSILON

See Also:

Constant Field Values

Method Detail

random

public static final java.util.Random random()

toRadians

public static final float toRadians(float degrees)

toDegrees

public static final float toDegrees(float radians)

isPowerOfTwo

public static final boolean isPowerOfTwo(int i)

nearestPowerOfTwo

public static final int nearestPowerOfTwo(int value)

greaterPowerOfTwo

public static final int greaterPowerOfTwo(int value)

abs

public static final int abs(int a)

abs

public static final float abs(float a)

min

public static final int min(int a,
                            int b)

min

public static final float min(float a,
                              float b)

max

public static final int max(int a,
                            int b)

max

public static final float max(float a,
                              float b)

clamp

public static final int clamp(int a,
                              int min,
                              int max)

clamp

public static final float clamp(float a,
                                float min,
                                float max)

clampRound

public static final int clampRound(float a,
                                   int min,
                                   int max)

clampAngle

public static final float clampAngle(float angle,
                                     float min,
                                     float max)

sign

public static final int sign(int a)

sign

public static final float sign(float a)

sqrt

public static final float sqrt(float a)

pow

public static final float pow(float a,
                              float b)

pow

public static final float pow(float base,
                              int exp)

Exponentiation by squaring: http://en.wikipedia.org/wiki/Exponentiation_by_squaring

Returns:

an int if exp is positif, a float if negatif

exp

public static final float exp(float a)

log

public static final float log(float a)

floor

public static final int floor(float f)

interpolate

public static final int interpolate(int cur,
                                    int next,
                                    float t)

interpolate

public static final float interpolate(float cur,
                                      float next,
                                      float t)

cos

public static final float cos(float a)

acos

public static final float acos(float a)

sin

public static final float sin(float a)

asin

public static final float asin(float a)

tan

public static final float tan(float a)

atan

public static final float atan(float a)

atan2

public static final float atan2(float a,
                                float b)

isVectorValid

public static final boolean isVectorValid(Vec3 vector)

isQuaternionValid

public static final boolean isQuaternionValid(Quat q)

isFloatValid

public static final boolean isFloatValid(float f)

isOneScale

public static boolean isOneScale(float scl)

isFloatEquals

public static final boolean isFloatEquals(float f1,
                                          float f2,
                                          float epsilon)

compare

public static int compare(int x,
                          int y)

timeSetToArray

public static final float[] timeSetToArray(java.util.TreeSet<java.lang.Float> timeSet)

indiceSetToArray

public static final int[] indiceSetToArray(java.util.TreeSet<java.lang.Integer> indiceSet)

pascal

public static final int[] pascal(int length)

sum

public static final int sum(int[] array)