util.math

Class FastMath

java.lang.Object

util.math.FastMath

public final class FastMath
extends java.lang.Object

Class imported from http://www.java-gaming.org/index.php?topic=14647.0

Author:

S.A.M. Janssen

Field Summary

Fields

Modifier and Type	Field and Description
private static float[]	atan2
private static int	ATAN2_BITS
private static int	ATAN2_BITS2
private static int	ATAN2_COUNT
private static int	ATAN2_DIM
private static int	ATAN2_MASK
private static float	DEG
private static float	INV_ATAN2_DIM_MINUS_1

Constructor Summary

Constructors

Modifier	Constructor and Description
private	FastMath() Private constructor to prevent object creation.

Method Summary

Modifier and Type	Method and Description
static float	atan2(float y, float x) Get a tan in radians.
static float	atan2Deg(float y, float x) Get a tan in degrees.
static float	atan2DegStrict(float y, float x) Get a tan in degrees strict.

Methods inherited from class java.lang.Object

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

Field Detail

ATAN2_BITS

private static final int ATAN2_BITS

See Also:

Constant Field Values

ATAN2_BITS2

private static final int ATAN2_BITS2

See Also:

Constant Field Values

ATAN2_MASK

private static final int ATAN2_MASK

See Also:

Constant Field Values

ATAN2_COUNT

private static final int ATAN2_COUNT

See Also:

Constant Field Values

atan2

private static final float[] atan2

ATAN2_DIM

private static final int ATAN2_DIM

DEG

private static final float DEG

See Also:

Constant Field Values

INV_ATAN2_DIM_MINUS_1

private static final float INV_ATAN2_DIM_MINUS_1

Constructor Detail

FastMath

private FastMath()

Private constructor to prevent object creation.

Method Detail

atan2

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

Get a tan in radians.

Parameters:

y - Y parameter.

x - X parameter.

Returns:

radians.

atan2Deg

public static final float atan2Deg(float y,
                                   float x)

Get a tan in degrees.

Parameters:

y - Y parameter.

x - X parameter.

Returns:

degrees.

atan2DegStrict

public static final float atan2DegStrict(float y,
                                         float x)

Get a tan in degrees strict.

Parameters:

y - Y parameter.

x - X parameter.

Returns:

degrees.