/*==============================================================================
3D?Example
Copyright?（c）?Firelight?Technologies?Pty?Ltd?2004-2017.

This?example?shows?how?to?basic?3D?positioning?of?sounds.
==============================================================================*/
#include?“fmod.hpp“
#include?“common.h“

const?int???INTERFACE_UPDATETIME?=?50;??????//?50ms?update?for?interface
const?float?DISTANCEFACTOR?=?1.0f;??????????//?Units?per?meter.??I.e?feet?would?=?3.28.??centimeters?would?=?100.

int?FMOD_Main（）
{
????FMOD::System????*system;
????FMOD::Sound?????*sound1?*sound2?*sound3;
????FMOD::Channel???*channel1?=?0?*channel2?=?0?*channel3?=?0;
????FMOD_RESULT??????result;
????bool?????????????listenerflag?=?true;
????FMOD_VECTOR??????listenerpos??=?{?0.0f?0.0f?-1.0f?*?DISTANCEFACTOR?};
????unsigned?int?????version;
????void????????????*extradriverdata?=?0;

????Common_Init（&extradriverdata）;

????/*
????????Create?a?System?object?and?initialize.
????*/
????result?=?FMOD::System_Create（&system）;
????ERRCHECK（result）;
????
????result?=?system->getVersion（&version）;
????ERRCHECK（result）;

????if?（version?????{
????????Common_Fatal（“FMOD?lib?version?%08x?doesn‘t?match?header?version?%08x“?version?FMOD_VERSION）;
????}
????
????result?=?system->init（100?FMOD_INIT_NORMAL?extradriverdata）;
????ERRCHECK（result）;
????
????/*
????????Set?the?distance?units.?（meters/feet?etc）.
????*/
????result?=?system->set3DSettings（1.0?DISTANCEFACTOR?1.0f）;
????ERRCHECK（result）;

????/*
????????Load?some?sounds
????*/
????result?=?system->createSound（Common_MediaPath（“drumloop.wav“）?FMOD_3D?0?&sound1）;
????ERRCHECK（result）;
????result?=?sound1->set3DMinMaxDistance（0.5f?*?DISTANCEFACTOR?5000.0f?*?DISTANCEFACTOR）;
????ERRCHECK（result）;
????result?=?sound1->setMode（FMOD_LOOP_NORMAL）;
????ERRCHECK（result）;

????result?=?system->createSound（Common_MediaPath（“jaguar.wav“）?FMOD_3D?0?&sound2）;
????ERRCHECK（result）;
????result?=?sound2->set3DMinMaxDistance（0.5f?*?DISTANCEFACTOR?5000.0f?*?DISTANCEFACTOR）;
????ERRCHECK（result）;
????result?=?sound2->setMode（FMOD_LOOP_NORMAL）;
????ERRCHECK（result）;

????result?=?system->createSound（Common_MediaPath（“swish.wav“）?FMOD_2D?0?&sound3）;
????ERRCHECK（result）;

????/*
????????Play?sounds?at?certain?positions
????*/
????{
????????FMOD_VECTOR?pos?=?{?-10.0f?*?DISTANCEFACTOR?0.0f?0.0f?};
????????FMOD_VECTOR?vel?=?{??0.0f?0.0f?0.0f?};

????????result?=?system->playSound（sound1?0?true?&channel1）;
????????ERRCHECK（result）;
????????result?=?channel1->set3DAttributes（&pos?&vel）;
????????ERRCHECK（result）;
????????result?=?channel1->setPaused（false）;
????????ERRCHECK（result）;
????}

????{
????????FMOD_VECTOR?pos?=?{?15.0f?*?DISTANCEFACTOR?0.0f?0.0f?};
????????FMOD_VECTOR?vel?=?{?0.0f?0.0f?0.0f?};

????????result?=?system->playSound（sound2?0?true?&channel2）;
????????ERRCHECK（result）;
???????