src/ccmath.h File Reference

#include <cmath>
#include <cstdlib>

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Defines
#define	_CCMATH_H_
#define	M_PI   3.14159265358979323846
#define	M_PI_2   1.57079632679489661923
#define	TWO_PI   (M_PI*2)
Functions
double	radiansToDegrees (double radians)
double	degreesToRadians (double degrees)
double	randBellCurve ()
int	randInt (int range)
double	rand0to1 ()

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Define Documentation

#define _CCMATH_H_

Definition at line 7 of file ccmath.h.

#define M_PI   3.14159265358979323846

Definition at line 14 of file ccmath.h.

Referenced by IEnvironmentObject::calcAngle(), CityManager::CheckCollision(), StateSailing::HandleKeyDown(), Battle::HandleKeyDown(), StateSailing::Timer(), ShipAI::Update(), ShipAI::UpdateFight(), and ShipAI::UpdateFlee().

#define M_PI_2   1.57079632679489661923

Definition at line 18 of file ccmath.h.

Referenced by SkyDome::DrawDome(), Battle::HandleKeyDown(), Ship::Update(), and ShipAI::UpdateFight().

#define TWO_PI   (M_PI*2)

Definition at line 21 of file ccmath.h.

Referenced by degreesToRadians(), SkyDome::DrawDome(), radiansToDegrees(), StateSailing::Timer(), ShipAI::Update(), Ship::Update(), and Ocean::Update().

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Function Documentation

double degreesToRadians

(

double

degrees

)

[inline]

Definition at line 27 of file ccmath.h.

References TWO_PI.

Referenced by CityManager::CheckCollision(), SkyDome::DrawDome(), Terrain::FindNearestShoreAngle(), and ShipAI::UpdateFight().

                                               {
  return degrees*(TWO_PI/360.0);
}

double radiansToDegrees

(

double

radians

)

[inline]

Definition at line 23 of file ccmath.h.

References TWO_PI.

Referenced by Bullet::Bullet(), Camera::CalcValues(), and Ship::Draw().

                                               {
  return radians*(360.0/TWO_PI);
}

double rand0to1

(

)

[inline]

Definition at line 39 of file ccmath.h.

Referenced by Battle::Battle().

                         {
  return ((double) rand()) / RAND_MAX;
}

double randBellCurve

(

)

[inline]

Definition at line 31 of file ccmath.h.

Referenced by Cargo::FillRandom(), StateDone::SackPlayer(), StateSailing::SetTicksToNextBattle(), and StateDone::StateDone().

                              {
  return ((rand()/(double)RAND_MAX)+(rand()/(double)RAND_MAX)+(rand()/(double)RAND_MAX))/ 3.0;
}

int randInt

(

int

range

)

[inline]

Definition at line 35 of file ccmath.h.

Referenced by ResourceManager::AcquireRandom(), and Battle::Battle().

                              {
  return (int) ((float)(range+1)*rand()/(RAND_MAX+1.0));
}

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