TrigTableLookup Class Reference

#include <TrigLut.h>

Public Member Functions
	TrigTableLookup ()
float	cos (int angle) const
float	sin (int angle) const
int	atan2 (int x, int y) const

Static Public Attributes
static const int	uIntegerPi = 1024
static const int	uIntegerHalfPi = 512
static const int	uIntegerQuarterPi = 256
static const int	uIntegerDoublePi = 2048
static const int	uDoublePiMask = 2047
static const int	uPiMask = 1023
static const int	uHalfPiMask = 511

Private Attributes
std::array< float, uIntegerHalfPi+1 >	_cosTable

Detailed Description

Lookup table for trigonometric functions.

Constructor & Destructor Documentation

TrigTableLookup()

TrigTableLookup::TrigTableLookup

(

)

Original binary offset:

0x00452969

Member Function Documentation

atan2()

int TrigTableLookup::atan2	(	int	x,
		int	y
	)		const

Original binary offset:

0x0045281E

Returns

Angle in 1/2048ths of a full circle. Actual result is in range [0, 2047].

cos()

float TrigTableLookup::cos

(

int

angle

)

const

Original binary offset:

0x00402CAE

Parameters

angle

Angle in 1/2048ths of a full circle.

Returns

Cosine of the provided angle.

sin()

float TrigTableLookup::sin

(

int

angle

)

const

Original binary offset:

0x0042EBDB

Parameters

angle

Angle in 1/2048ths of a full circle.

Returns

Sine of the provided angle.

Member Data Documentation

_cosTable

std::array<float, uIntegerHalfPi + 1> TrigTableLookup::_cosTable

private

uDoublePiMask

const int TrigTableLookup::uDoublePiMask = 2047

static

uHalfPiMask

const int TrigTableLookup::uHalfPiMask = 511

static

uIntegerDoublePi

const int TrigTableLookup::uIntegerDoublePi = 2048

static

uIntegerHalfPi

const int TrigTableLookup::uIntegerHalfPi = 512

static

uIntegerPi

const int TrigTableLookup::uIntegerPi = 1024

static

uIntegerQuarterPi

const int TrigTableLookup::uIntegerQuarterPi = 256

static

uPiMask

const int TrigTableLookup::uPiMask = 1023

static

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The documentation for this class was generated from the following files:

• src/Utility/Math/TrigLut.h
• src/Utility/Math/TrigLut.cpp