com.almasb.fxgl.physics.box2d.common

Class JBoxUtils

java.lang.Object

com.almasb.fxgl.physics.box2d.common.JBoxUtils

public class JBoxUtils
extends Object

A few math methods that don't fit very well anywhere else.

Field Summary

Fields

Modifier and Type	Field and Description
static float	HALF_PI
static float	PI
static float[]	sinLUT
static float	TWOPI

Constructor Summary

Constructors

Constructor and Description
JBoxUtils()

Method Summary

Modifier and Type	Method and Description
static float	abs(float x)
static int	abs(int x)
static float	atan2(float y, float x)
static float	clamp(float a, float low, float high) Returns the closest value to 'a' that is in between 'low' and 'high'
static Vec2	clamp(Vec2 a, Vec2 low, Vec2 high)
static float	cos(float x)
static float	distance(Vec2 v1, Vec2 v2)
static float	distanceSquared(Vec2 v1, Vec2 v2)
static float	fastAtan2(float y, float x)
static int	fastFloor(float x)
static int	floor(float x)
static float	map(float val, float fromMin, float fromMax, float toMin, float toMax)
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	round(float x)
static float	sin(float x)
static float	sinLUT(float x)
static float	sqrt(float x)

Methods inherited from class java.lang.Object

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

Field Detail

PI

public static final float PI

See Also:

Constant Field Values

TWOPI

public static final float TWOPI

See Also:

Constant Field Values

HALF_PI

public static final float HALF_PI

See Also:

Constant Field Values

sinLUT

public static final float[] sinLUT

Constructor Detail

JBoxUtils

public JBoxUtils()

Method Detail

sin

public static final float sin(float x)

sinLUT

public static final float sinLUT(float x)

cos

public static final float cos(float x)

abs

public static final float abs(float x)

abs

public static final int abs(int x)

floor

public static final int floor(float x)

fastFloor

public static final int fastFloor(float x)

round

public static final int round(float x)

max

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

max

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

min

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

min

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

map

public static final float map(float val,
                              float fromMin,
                              float fromMax,
                              float toMin,
                              float toMax)

clamp

public static final float clamp(float a,
                                float low,
                                float high)

Returns the closest value to 'a' that is in between 'low' and 'high'

clamp

public static final Vec2 clamp(Vec2 a,
                               Vec2 low,
                               Vec2 high)

atan2

public static final float atan2(float y,
                                float x)

fastAtan2

public static final float fastAtan2(float y,
                                    float x)

sqrt

public static final float sqrt(float x)

distanceSquared

public static final float distanceSquared(Vec2 v1,
                                          Vec2 v2)

distance

public static final float distance(Vec2 v1,
                                   Vec2 v2)