game.geom
Class CFixedPoint

java.lang.Object
  game.geom.CFixedPoint

public class CFixedPoint
extends java.lang.Object

Abstract class implementing static functions handling fixed point arithmetics.

Author:

seb

Field Summary

static int	MAX
static int	MIN
static int	OFFSET
static int	ONE

Constructor Summary

private

CFixedPoint()

Method Summary

static int	ceil(int fp)
static int	div(int fp1, int fp2)
static int	doubleToFp(double d)
static int	floatToFp(float f)
static int	floor(int fp)
static double	fpToDouble(int fp)
static float	fpToFloat(int fp)
static int	fpToInt(int fp)
static int	intToFp(int i)
static int	mul(int fp1, int fp2)
static java.lang.String	toString(int fp) Makes a string representation of a fixed-point number.
static java.lang.String	toString(int fpx, int fpy)
static int	vectorLength(int fpx, int fpy) Calculates the length of a fixed-point vector.

Methods inherited from class java.lang.Object

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

Field Detail

OFFSET

public static final int OFFSET

See Also:

Constant Field Values

ONE

public static final int ONE

See Also:

Constant Field Values

MIN

public static final int MIN

See Also:

Constant Field Values

MAX

public static final int MAX

See Also:

Constant Field Values

Constructor Detail

CFixedPoint

private CFixedPoint()

Method Detail

mul

public static final int mul(int fp1,
                            int fp2)

div

public static final int div(int fp1,
                            int fp2)

ceil

public static final int ceil(int fp)

floor

public static final int floor(int fp)

vectorLength

public static final int vectorLength(int fpx,
                                     int fpy)

Calculates the length of a fixed-point vector.

fpToInt

public static final int fpToInt(int fp)

fpToFloat

public static final float fpToFloat(int fp)

fpToDouble

public static final double fpToDouble(int fp)

intToFp

public static final int intToFp(int i)

floatToFp

public static final int floatToFp(float f)

doubleToFp

public static final int doubleToFp(double d)

toString

public static final java.lang.String toString(int fp)

Makes a string representation of a fixed-point number.

toString

public static final java.lang.String toString(int fpx,
                                              int fpy)